/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-duration:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-duration:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.\!start{inset-inline-start:var(--spacing)!important}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.table{display:table}.flex-shrink,.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.text-wrap{text-wrap:wrap}.capitalize{text-transform:capitalize}.lowercase{text-transform:lowercase}.italic{font-style:italic}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.duration-5{--tw-duration:5ms;transition-duration:5ms}.duration-6{--tw-duration:6ms;transition-duration:6ms}}:root{--ink:#102b2e;--ink-soft:#536465;--forest:#173e3b;--forest-deep:#0e2e2d;--mint:#bce6cd;--green:#4fa77b;--cream:#f4f2ec;--paper:#fffefa;--line:#dedfd8;--amber:#d9a64d;--coral:#cc6d55}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Arial,Helvetica,sans-serif}.data-loading{background:var(--cream);flex-direction:column;justify-content:center;align-items:center;gap:13px;display:flex;position:fixed;inset:0}.data-loading strong{color:#6c7b77;font:500 13px/1.2 Georgia,serif}button,input{font:inherit}button{color:inherit}.app-shell{min-height:100vh}.sidebar{background:var(--paper);border-right:1px solid var(--line);z-index:20;flex-direction:column;width:252px;height:100vh;padding:36px 24px 22px;display:flex;position:fixed;top:0;left:0}.brand{color:var(--ink);align-items:center;gap:12px;margin:0 6px 55px;text-decoration:none;display:flex}.brand-mark{background:var(--forest);border-radius:50% 50% 45% 55%;place-items:center;width:34px;height:34px;display:inline-grid;transform:rotate(-8deg)}.brand-mark span{border:2px solid var(--mint);border-left-color:#0000;border-radius:50%;width:11px;height:16px;transform:rotate(35deg)}.brand strong{letter-spacing:-.7px;font:700 24px/1 Georgia,serif;display:block}.brand small{color:#81908d;letter-spacing:1.1px;margin-top:5px;font-size:8px;font-weight:800;display:block}.nav-label,.eyebrow{color:#7b8b87;letter-spacing:1.35px;margin:0;font-size:10px;font-weight:800}.main-nav{flex-direction:column;gap:7px;display:flex}.main-nav .nav-label{margin:0 12px 10px}.nav-item{color:#62706d;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:10px;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:13px;font-weight:650;transition:all .18s;display:flex}a.nav-item{text-decoration:none}.nav-item:hover{color:var(--forest);background:#f0f3ed}.nav-item.active{color:var(--forest);background:#e6f0e8}.nav-icon{opacity:.8;border:1px solid;border-radius:5px;place-items:center;width:21px;height:21px;font-family:Georgia,serif;font-size:10px;display:grid}.soon-dot{background:#bec7c4;border-radius:50%;width:4px;height:4px;margin-left:auto}.sidebar-bottom{margin-top:auto}.exam-card{background:#f0f2ec;border:1px solid #e0e3db;border-radius:13px;margin-bottom:19px;padding:15px}.exam-card-top{color:#87928f;letter-spacing:1px;justify-content:space-between;align-items:center;font-size:8px;font-weight:800;display:flex}.exam-card-top button{cursor:pointer;letter-spacing:1px;background:0 0;border:0;padding:0}.exam-card strong{margin:8px 0 10px;font:700 13px/1.2 Georgia,serif;display:block}.exam-card small{color:#788681;margin-top:7px;font-size:9px;display:block}.exam-track{background:#d7ddd6;border-radius:99px;height:4px;overflow:hidden}.exam-track span{background:var(--green);width:38%;height:100%;display:block}.profile{border:0;border-top:1px solid var(--line);cursor:pointer;text-align:left;background:0 0;align-items:center;width:100%;padding:18px 3px 0;display:flex}.avatar{background:var(--forest);color:#fff;border-radius:50%;place-items:center;width:33px;height:33px;margin-right:10px;font-size:10px;font-weight:800;display:grid}.profile strong,.profile small{display:block}.profile strong{font-size:11px}.profile small{color:#87928f;margin-top:3px;font-size:9px}.profile-chevron{color:#8c9895;margin-left:auto;font-size:19px}.workspace{min-height:100vh;margin-left:252px}.dashboard{max-width:1310px;margin:0 auto;padding:35px 48px 42px}.topbar{justify-content:space-between;align-items:center;margin-bottom:31px;display:flex}.topbar h1{letter-spacing:-.8px;margin:7px 0 0;font:500 30px/1.1 Georgia,serif}.topbar-actions{align-items:center;gap:25px;display:flex}a.admin-home-link{background:var(--forest);color:#fff;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:800;text-decoration:none}.streak{grid-template-rows:14px 12px;grid-template-columns:25px auto;align-items:center;display:grid}.streak>span{color:var(--amber);grid-row:1/3;font-size:21px}.streak strong{font-size:13px}.streak small{color:#84908e;font-size:9px}.icon-button{background:var(--paper);border:1px solid var(--line);cursor:pointer;border-radius:50%;place-items:center;width:38px;height:38px;display:grid;position:relative}.icon-button i{border:2px solid var(--paper);background:#c96051;border-radius:50%;width:7px;height:7px;position:absolute;top:6px;right:7px}.mobile-brand{display:none}.daily-card{background:var(--forest);color:#fff;border-radius:20px;grid-template-columns:minmax(0,1.55fr) minmax(260px,.7fr);min-height:347px;display:grid;position:relative;overflow:hidden}.daily-card:before{content:"";border:1px solid #bce6cd1c;border-radius:50%;width:430px;height:430px;position:absolute;top:-205px;right:-145px}.daily-card:after{content:"";background:radial-gradient(circle,#bce6cd1f,#0000 65%);position:absolute;inset:0 0 0 55%}.daily-copy{z-index:2;padding:38px 42px 35px;position:relative}.eyebrow.light{color:#9bc6ae}.daily-copy h2{letter-spacing:-1px;margin:12px 0 13px;font:500 35px/1.09 Georgia,serif}.daily-description{color:#c5d6d1;max-width:550px;margin:0 0 20px;font-size:12px;line-height:1.55}.task-list{flex-wrap:wrap;gap:8px;display:flex}.task-list span{color:#c1d0cc;background:#ffffff0e;border:1px solid #ffffff21;border-radius:7px;align-items:center;gap:6px;padding:6px 9px;font-size:9px;display:flex}.task-list span.done{color:#a9d9bd}.task-list i{border:1px solid;border-radius:50%;place-items:center;width:13px;height:13px;font-size:7px;font-style:normal;display:grid}.primary-button{background:var(--mint);color:var(--forest-deep);cursor:pointer;border:0;border-radius:9px;align-items:center;gap:18px;margin-top:24px;padding:12px 15px 12px 18px;font-size:11px;font-weight:800;transition:transform .18s,background .18s;display:inline-flex}.primary-button:hover{background:#d0efd9;transform:translateY(-1px)}.primary-button span{color:#547367;font-size:9px;font-weight:600}.primary-button b{font-size:17px;font-weight:400}.daily-visual{z-index:2;flex-direction:column;justify-content:center;align-items:center;min-width:0;padding-right:25px;display:flex;position:relative}.progress-orbit{background:conic-gradient(var(--mint) var(--progress), #ffffff1a 0);border-radius:50%;place-items:center;width:170px;height:170px;padding:8px;display:grid;position:relative}.progress-orbit:before{background:var(--mint);border:4px solid var(--forest);content:"";border-radius:50%;width:15px;height:15px;position:absolute;top:11px;left:29px}.progress-orbit-inner{background:var(--forest);text-align:center;border:1px solid #ffffff14;border-radius:50%;flex-direction:column;justify-content:center;width:154px;height:154px;display:flex}.progress-orbit-inner span{font:500 43px/1 Georgia,serif}.progress-orbit-inner span small{color:#79938b;font-size:17px}.progress-orbit-inner p{color:#92aaa3;letter-spacing:1.4px;margin:9px 0 0;font-size:8px;font-weight:800}.orbit-caption{text-align:center;margin-top:14px}.orbit-caption span,.orbit-caption strong{display:block}.orbit-caption span{color:#809e94;letter-spacing:1px;font-size:8px;font-weight:800}.orbit-caption strong{margin-top:3px;font:500 12px/1.2 Georgia,serif}.content-grid{grid-template-columns:minmax(0,1.65fr) minmax(270px,.72fr);gap:18px;margin-top:18px;display:grid}.card{background:var(--paper);border:1px solid var(--line);border-radius:15px}.progress-card{padding:25px 28px 15px}.card-heading{justify-content:space-between;align-items:flex-start;display:flex}.card-heading h3,.review-card h3,.formula-card h3,.activity-card h3{letter-spacing:-.3px;margin:6px 0 0;font:500 20px/1.2 Georgia,serif}.card-heading>button{color:#56746b;cursor:pointer;background:0 0;border:0;padding:7px 0;font-size:9px;font-weight:700}.card-heading>button span{margin-left:5px}.topic-list{margin-top:18px}.topic-row{border-top:1px solid #e7e7e0;align-items:center;gap:13px;padding:13px 0;display:flex}.topic-row:first-child{border-top:0}.topic-symbol{border-radius:8px;place-items:center;width:34px;height:34px;font:700 11px/1 Georgia,serif;display:grid}.topic-main{flex:1;grid-template-columns:minmax(160px,1fr) minmax(120px,.8fr);align-items:center;gap:16px;display:grid}.topic-main strong,.topic-main small{display:block}.topic-main strong{font-size:11px}.topic-main small{color:#8a9491;margin-top:4px;font-size:8px}.topic-bar{background:#e8e9e3;border-radius:99px;height:5px;overflow:hidden}.topic-bar span{border-radius:inherit;height:100%;display:block}.topic-percent{width:34px;font-size:11px}.review-card{background:#edf0e9;padding:24px}.review-top{justify-content:space-between;align-items:center;display:flex}.review-top span{color:#fff;background:#d8a44e;border-radius:99px;padding:5px 8px;font-size:9px;font-weight:800}.review-card h3{max-width:210px}.review-card>p{color:#677673;margin:9px 0 17px;font-size:10px;line-height:1.5}.review-preview{background:#ffffffb3;border:1px solid #dfe2da;border-radius:10px;align-items:center;gap:10px;padding:11px;display:flex}.review-icon{color:#735d2f;background:#e5c98f;border-radius:50%;place-items:center;width:27px;height:27px;display:grid}.review-preview strong,.review-preview small{display:block}.review-preview strong{font-size:9px}.review-preview small{color:#84908c;margin-top:4px;font-size:8px}.review-card>button{color:var(--forest);cursor:pointer;background:0 0;border:0;margin-top:17px;padding:0;font-size:9px;font-weight:800}.review-card>button span{margin-left:6px}.lower-grid{grid-template-columns:minmax(0,1.2fr) minmax(330px,.9fr)}.activity-card{padding:22px 26px 17px}.metric{color:#7b8985;text-align:right;grid-template-columns:auto auto;font-size:9px;display:grid}.metric strong{color:var(--ink);margin-right:4px;font:500 19px/1 Georgia,serif}.metric small{color:#89938f;grid-column:1/3;margin-top:5px;font-size:8px}.chart{justify-content:space-around;align-items:end;gap:18px;height:105px;margin-top:10px;display:flex}.bar-column{flex-direction:column;flex:1;justify-content:end;align-items:center;height:100%;display:flex}.bar-track{align-items:end;height:69px;display:flex}.bar-track span{background:#8dc3a3;border-radius:4px 4px 2px 2px;width:18px;min-height:5px;max-height:66px;display:block}.bar-track span.empty{min-height:0}.bar-column:last-child .bar-track span{background:var(--forest)}.bar-column small{color:#86918e;margin-top:6px;font-size:8px}.bar-value{color:#85908d;height:10px;font-size:7px}.activity-definition{border-top:1px solid var(--line);color:#87928e;margin:10px 0 0;padding-top:10px;font-size:8px;line-height:1.45}.formula-notation{color:inherit;font:inherit;vertical-align:middle;max-width:100%;display:inline-block}.formula-notation-visual{flex-wrap:wrap;align-items:center;gap:.45em .9em;max-width:100%;display:inline-flex}.formula-expression,.formula-row,.formula-group{flex-wrap:nowrap;align-items:center;display:inline-flex}.formula-row{gap:.13em}.formula-group{gap:0}.formula-operator{padding:0 .05em;display:inline-block}.formula-fraction{text-align:center;vertical-align:middle;grid-template-rows:auto auto;align-items:stretch;max-width:100%;margin:0 .13em;line-height:1.08;display:inline-grid}.formula-numerator,.formula-denominator{white-space:nowrap;padding-left:.22em;padding-right:.22em;display:block}.formula-numerator{border-bottom:1.5px solid;padding-bottom:.14em}.formula-denominator{padding-top:.14em}.formula-notation-compact .formula-fraction{margin-left:.08em;margin-right:.08em}.formula-notation-compact .formula-numerator,.formula-notation-compact .formula-denominator{padding-left:.14em;padding-right:.14em}.formula-expression+.formula-expression{border-left:1px solid;margin-left:.15em;padding-left:1em}.formula-card{background:#fbfaf4;padding:22px 25px;position:relative;overflow:hidden}.formula-card:after{content:"";border:1px solid #173e3b0f;border-radius:50%;width:180px;height:180px;position:absolute;top:-80px;right:-90px}.formula-card>div{justify-content:space-between;align-items:center;display:flex}.formula-tag{color:#5a776f;background:#e8eee7;border-radius:99px;padding:5px 8px;font-size:8px;font-weight:800}.formula-card h3{margin-top:12px}.formula{color:var(--forest);margin:12px 0;font:500 21px/1.4 Georgia,serif}.formula>.formula-notation{width:100%;padding:2px 0;overflow-x:auto}.formula-card>button{color:#687a74;cursor:pointer;background:0 0;border:0;padding:0;font-size:9px}.formula-card>button span{color:var(--forest);margin-left:6px;font-size:14px}.prototype-note{color:#89928f;letter-spacing:.2px;text-align:right;margin-top:17px;font-size:8px}.legal-notice{color:#5c6b68;max-width:78ch;margin:28px 28px 36px;font-size:12.5px;line-height:1.5}.legal-notice p{margin:0 0 6px}.legal-notice--dark{color:#e9edf2b8;text-align:left;margin:4px 0 0}.prototype-note span{color:#d1a14b}.study-plan-card{background:var(--paper);border:1px solid var(--line);border-radius:17px;margin-top:18px;padding:26px 28px 28px;overflow:hidden}.study-plan-heading{justify-content:space-between;align-items:flex-start;gap:30px;display:flex}.study-plan-heading>div:first-child{max-width:720px}.study-plan-heading h2{letter-spacing:-.45px;margin:8px 0 10px;font:500 28px/1.15 Georgia,serif}.study-plan-heading>div:first-child>p:last-child{color:#6c7b77;margin:0;font-size:13px;line-height:1.55}.study-plan-deadline{background:#f3f4ef;border:1px solid #e3e5df;border-radius:12px;flex-direction:column;flex:none;align-items:flex-end;padding:14px 16px;display:flex}.study-plan-deadline span{color:#7f8b87;letter-spacing:.7px;text-transform:uppercase;font-size:9px;font-weight:800}.study-plan-deadline strong{color:var(--forest);margin-top:6px;font:500 16px/1.2 Georgia,serif}.study-plan-deadline button{color:#55766a;cursor:pointer;text-underline-offset:2px;background:0 0;border:0;margin-top:8px;padding:0;font-size:10px;font-weight:800;text-decoration:underline}.study-plan-progress-grid{grid-template-columns:1fr 1fr minmax(205px,.72fr);gap:17px;margin-top:23px;display:grid}.study-plan-progress-grid>article,.study-plan-progress-grid>aside{background:#f7f7f3;border:1px solid #e5e6e0;border-radius:11px;padding:15px 16px}.study-plan-progress-grid article>div:first-child{justify-content:space-between;align-items:center;display:flex}.study-plan-progress-grid article>div:first-child span,.study-plan-progress-grid aside>span{color:#778581;font-size:10px;font-weight:750}.study-plan-progress-grid article>div:first-child strong{color:var(--forest);font:500 24px/1 Georgia,serif}.study-plan-track{background:#dfe3dc;border-radius:99px;height:7px;margin:13px 0 8px;overflow:hidden}.study-plan-track span{border-radius:inherit;min-width:0;height:100%;display:block}.study-plan-track.actual span{background:var(--green)}.study-plan-track.expected{background:repeating-linear-gradient(90deg,#e0e2dc 0 7px,#f7f7f3 7px 10px)}.study-plan-track.expected span{background:#d5a34d}.study-plan-progress-grid article>small{color:#8b9692;font-size:9px}.study-plan-progress-grid>aside{background:#eaf2eb;border-color:#d0dfd3}.study-plan-progress-grid>aside.behind{background:#fbf2e5;border-color:#ead8bd}.study-plan-progress-grid aside strong{color:var(--forest);margin-top:8px;font:500 18px/1.2 Georgia,serif;display:block}.study-plan-progress-grid aside.behind strong{color:#86652d}.study-plan-progress-grid aside p{color:#61716b;margin:8px 0 0;font-size:10px;line-height:1.45}.study-plan-criteria{color:#71807a;border-top:1px solid #4a695b26;margin-top:10px;padding-top:9px;font-size:9px;line-height:1.5;display:block}.study-calendar-heading{border-top:1px solid var(--line);justify-content:space-between;align-items:end;margin-top:23px;padding-top:21px;display:flex}.study-calendar-heading h3{margin:7px 0 0;font:500 23px/1.2 Georgia,serif}.study-calendar-heading>button{color:var(--forest);cursor:pointer;background:0 0;border:0;padding:6px 0;font-size:12px;font-weight:800}.study-calendar-heading>button span{margin-left:6px}.study-calendar-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:16px;display:grid}.study-calendar-grid>article{border:1px solid #e0e3dc;border-radius:10px;min-width:0;overflow:hidden}.study-calendar-grid>article>header{background:#f2f4ee;justify-content:space-between;align-items:center;padding:12px 13px;display:flex}.study-calendar-grid>article>header span{color:var(--forest);text-transform:uppercase;font-size:11px;font-weight:800}.study-calendar-grid>article>header small{color:#87918e;font-size:10px}.study-calendar-grid>article>div{gap:1px;display:grid}.study-calendar-grid article button{cursor:pointer;text-align:left;background:0 0;border:0;border-top:1px solid #eceee8;grid-template-columns:40px minmax(0,1fr);align-items:center;gap:11px;width:100%;min-height:68px;padding:12px 13px;display:grid}.study-calendar-grid article button:hover{background:#edf3ed}.study-calendar-grid article button>span{color:var(--forest);background:#e1ebe3;border-radius:8px;place-items:center;width:40px;height:38px;font:700 11px/1 Georgia,serif;display:grid}.study-calendar-grid article button p{min-width:0;margin:0}.study-calendar-grid article button strong,.study-calendar-grid article button small{display:block}.study-calendar-grid article button strong{color:#30463e;text-transform:uppercase;font-size:11px}.study-calendar-grid article button small{color:#788580;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-top:4px;font-size:11px;line-height:1.4;display:-webkit-box;overflow:hidden}.study-calendar-more,.study-calendar-empty{color:#87938f;margin:0;padding:11px 13px;font-size:11px}.study-calendar-toggle{color:#55766a;cursor:pointer;background:0 0;border:0;margin:16px auto 0;padding:7px;font-size:12px;font-weight:800;display:block}.study-calendar-toggle span{margin-left:5px}.study-plan-complete{color:#416e59;background:#e8f2ea;border:1px solid #c9dece;border-radius:10px;align-items:center;gap:9px;margin-top:14px;padding:13px;font-size:9px;display:flex}.study-plan-complete span{background:var(--forest);color:#fff;border-radius:50%;place-items:center;width:23px;height:23px;display:grid}.study-plan-complete p{margin:0}.mobile-nav{display:none}.toast{background:var(--ink);color:#fff;z-index:80;border:1px solid #ffffff26;border-radius:9px;padding:12px 18px;font-size:11px;animation:.25s both toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 12px 35px #0d2b2e33}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,10px)}}.question-screen{max-width:1250px;min-height:100vh;margin:0 auto;padding:32px 48px}.question-header{grid-template-columns:1fr 1fr 1fr;align-items:center;margin-bottom:46px;display:grid}.back-button{color:#5f716d;cursor:pointer;background:0 0;border:0;justify-self:start;padding:8px 0;font-size:10px;font-weight:700}.back-button span{margin-right:8px;font-size:16px}.question-progress{justify-self:center;align-items:center;gap:10px;display:flex}.question-progress>span{background:#d9ded8;border-radius:99px;width:126px;height:5px;display:block;overflow:hidden}.question-progress i{background:var(--green);height:100%;display:block}.question-progress strong{color:#72807d;font-size:9px}.timer{grid-template-columns:auto auto;justify-self:end;align-items:center;gap:0 7px;font:500 15px/1 Georgia,serif;display:grid}.timer>span{grid-row:1/3;font-family:Arial,sans-serif}.timer small{color:#8c9693;font:400 7px/1.4 Arial,sans-serif}.question-layout{grid-template-columns:minmax(0,1.7fr) minmax(240px,.65fr);gap:50px;display:grid}.question-card{max-width:720px}.question-meta{justify-content:space-between;align-items:center;display:flex}.question-meta span{color:#4b7567;letter-spacing:.8px;background:#e5eee6;border-radius:99px;padding:7px 9px;font-size:8px;font-weight:800}.question-meta small{color:#84908d;font-size:8px}.question-card>h1{letter-spacing:-.45px;margin:24px 0 29px;font:500 28px/1.38 Georgia,serif}.option-list{flex-direction:column;gap:10px;display:flex}.option{background:var(--paper);cursor:pointer;text-align:left;border:1px solid #dbddd6;border-radius:10px;align-items:center;gap:14px;width:100%;min-height:58px;padding:10px 16px;transition:all .16s;display:flex}.option:hover{border-color:#8ca59d;transform:translateY(-1px)}.option>span:first-child{color:#63736f;border:1px solid #ccd2cd;border-radius:50%;flex:0 0 28px;place-items:center;width:28px;height:28px;font-size:9px;display:grid}.option strong,.question-option-notation{font:500 16px/1.25 Georgia,serif}.question-option-notation{min-width:0;overflow-x:auto}.option i{border-radius:50%;place-items:center;width:23px;height:23px;margin-left:auto;font-size:11px;font-style:normal;display:grid}.option.selected{border-color:var(--green);box-shadow:0 0 0 1px var(--green);background:#f1f6f0}.option.selected>span:first-child{background:var(--forest);border-color:var(--forest);color:#fff}.option.correct{background:#e8f4e9;border-color:#62a77d;box-shadow:0 0 0 1px #62a77d}.option.correct i{color:#fff;background:#5b9f75}.option.wrong{background:#faf0ed;border-color:#c87863;box-shadow:0 0 0 1px #c87863}.option.wrong i{color:#fff;background:#c96e58}.option-strike-toggle{color:#8b9691;cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #ccd2cd;border-radius:50%;flex:0 0 23px;justify-content:center;align-items:center;width:23px;height:23px;margin-left:auto;font-size:12px;display:grid}.option-strike-toggle:hover,.option-strike-toggle.active{color:var(--forest);background:#eef1ec;border-color:#8ca59d}.option.struck{opacity:.55}.option.struck strong,.option.struck .question-option-notation{text-decoration:line-through}.answer-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:end;margin-top:29px;padding-top:21px;display:flex}.confidence>span{color:#7c8885;margin-bottom:8px;font-size:8px;display:block}.confidence>div{gap:5px;display:flex}.confidence button{color:#798582;cursor:pointer;background:0 0;border:1px solid #d6d9d3;border-radius:6px;padding:6px 10px;font-size:8px}.confidence button.active{color:var(--forest);background:#e3ece5;border-color:#8dac9f}.submit-answer{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:13px 16px;font-size:10px;font-weight:800}.submit-answer:disabled{cursor:not-allowed;opacity:.35}.submit-answer span{margin-left:11px}.question-context{border-left:1px solid var(--line);margin-top:4px;padding-left:30px}.question-context h2{margin:12px 0 24px;font:500 20px/1.35 Georgia,serif}.question-context dl{margin:0}.question-context dl div{border-top:1px solid var(--line);padding:12px 0}.question-context dt{color:#89938f;margin-bottom:4px;font-size:8px}.question-context dd{margin:0;font-size:10px;font-weight:700}.context-tip{background:#ebece5;border-radius:10px;align-items:flex-start;gap:9px;margin-top:20px;padding:13px;display:flex}.context-tip>span{background:var(--forest);color:#fff;border-radius:5px;padding:5px;font-size:7px;font-weight:800}.context-tip p{color:#697773;margin:0;font-size:9px;line-height:1.45}.context-tip strong{color:var(--ink);margin-bottom:3px;display:block}.keyboard-tip{color:#89928f;margin-top:45px;font-size:8px}.keyboard-tip span{color:#64736f;font-weight:700}.keyboard-tip kbd{background:var(--paper);border:1px solid #d6d9d3;border-radius:4px;padding:2px 5px;font-size:7px;box-shadow:0 1px #cccfc8}.feedback{background:#eef5ed;border:1px solid #c8dfcd;border-radius:12px;margin-top:22px;padding:20px}.feedback.error{background:#faf1ee;border-color:#e4c1b7}.feedback-heading{align-items:center;gap:11px;display:flex}.feedback-heading>span{color:#fff;background:#5c9e75;border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.feedback.error .feedback-heading>span{background:var(--coral)}.feedback-heading small,.feedback-heading strong{display:block}.feedback-heading small{color:#5f8b70;letter-spacing:.8px;font-size:7px;font-weight:800}.feedback.error .feedback-heading small{color:#a65e4c}.feedback-heading strong{margin-top:2px;font:500 14px/1.3 Georgia,serif}.feedback>p{color:#5b6d67;margin:14px 0;font-size:10px;line-height:1.6}.calculation{background:#ffffffa6;border-radius:8px;justify-content:space-between;align-items:center;padding:12px;font:500 14px/1.3 Georgia,serif;display:flex}.calculation strong{color:#397257}.distractor{border-top:1px solid #375b4524;margin-top:13px;padding-top:12px}.distractor strong{font-size:9px}.distractor p{color:#65736f;margin:4px 0 0;font-size:9px;line-height:1.5}.feedback>button{background:var(--forest);color:#fff;cursor:pointer;float:right;border:0;border-radius:7px;margin-top:16px;padding:11px 14px;font-size:9px;font-weight:800}.feedback>button span{margin-left:9px}.feedback:after{clear:both;content:"";display:block}@media (max-width:1000px){.sidebar{width:220px}.workspace{margin-left:220px}.dashboard,.question-screen{padding-left:30px;padding-right:30px}.daily-card{grid-template-columns:1.5fr .7fr}.daily-copy{padding-left:30px}.daily-copy h2{font-size:31px}.progress-orbit{width:145px;height:145px}.progress-orbit-inner{width:129px;height:129px}.content-grid{grid-template-columns:1fr}.review-card{grid-template-columns:1fr 1fr;column-gap:20px;display:grid}.review-top,.review-card>button{grid-column:1/3}.question-layout{grid-template-columns:minmax(0,1fr) 230px;gap:30px}}@media (max-width:760px){.sidebar{display:none}.workspace{margin-left:0;padding-bottom:70px}.legal-notice{margin:8px 18px 24px}.dashboard,.question-screen{padding:23px 18px 30px}.topbar{margin-bottom:20px}.topbar>div:nth-child(2){display:none}.mobile-brand{align-items:center;gap:8px;display:flex}.mobile-brand .brand-mark{width:28px;height:28px}.mobile-brand .brand-mark span{width:9px;height:13px}.mobile-brand strong{font:700 20px/1 Georgia,serif}.streak small{display:none}.streak{grid-template-rows:20px}.streak>span{grid-row:auto}.daily-card{min-height:0;display:block}.daily-copy{padding:29px 24px 25px}.daily-copy h2{font-size:28px}.daily-visual{display:none}.task-list{flex-direction:column}.primary-button{justify-content:space-between;width:100%}.progress-card{padding:22px 18px 10px}.card-heading h3,.review-card h3,.formula-card h3,.activity-card h3{font-size:18px}.topic-main{display:block}.topic-bar{margin-top:8px}.review-card{display:block}.review-card>button{grid-column:auto}.chart{gap:5px}.mobile-nav{border-top:1px solid var(--line);z-index:50;background:#fffefaf5;justify-content:flex-start;padding:8px 6px 9px;display:flex;position:fixed;bottom:0;left:0;right:0;overflow-x:auto}.mobile-nav button{color:#84908d;background:0 0;border:0;flex:1 0 48px;min-width:48px;font-size:7px}.mobile-nav button span{border:1px solid;border-radius:5px;place-items:center;width:20px;height:20px;margin:0 auto 4px;font-family:Georgia,serif;display:grid}.mobile-nav button.active{color:var(--forest);font-weight:800}.mobile-nav a.admin-mobile-link{color:#84908d;text-align:center;background:0 0;border:0;flex:1 0 48px;min-width:48px;font-size:7px;font-weight:650;text-decoration:none}.mobile-nav a.admin-mobile-link span{border:1px solid;border-radius:5px;place-items:center;width:20px;height:20px;margin:0 auto 4px;font-family:Georgia,serif;display:grid}.question-header{grid-template-columns:1fr auto;margin-bottom:28px}.question-progress{display:none}.question-layout{display:block}.question-card>h1{font-size:23px}.answer-footer{flex-direction:column;align-items:stretch;gap:18px}.submit-answer{width:100%}.question-context{border-left:0;border-top:1px solid var(--line);margin-top:35px;padding:27px 0 0}.keyboard-tip{display:none}.calculation{flex-direction:column;align-items:flex-start;gap:7px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}.onboarding-shell{background:radial-gradient(circle at 88% 12%, #bce6cd47, transparent 25%), var(--cream);min-height:100vh;padding:31px 56px 24px}.onboarding-topbar{grid-template-columns:1fr auto 1fr;align-items:center;display:grid}.onboarding-brand{width:max-content;margin:0}.onboarding-step{color:#64736f;letter-spacing:1.2px;font-size:9px;font-weight:800}.onboarding-time{color:#87928f;justify-self:end;font-size:9px}.onboarding-progress{background:#dfe2db;height:3px;position:absolute;top:96px;left:0;right:0}.onboarding-progress span{background:var(--green);height:100%;transition:width .35s;display:block}.onboarding-card{justify-content:center;max-width:940px;min-height:510px;margin:70px auto 0;display:flex}.onboarding-welcome,.onboarding-summary{text-align:center;max-width:690px}.welcome-kicker{color:#4f7669;letter-spacing:1.5px;font-size:9px;font-weight:800}.onboarding-welcome h1,.onboarding-summary h1,.question-step h1{letter-spacing:-1.2px;margin:17px 0 16px;font:500 42px/1.08 Georgia,serif}.onboarding-welcome>p,.onboarding-summary>p,.step-description{color:#687774;max-width:580px;margin:0 auto;font-size:12px;line-height:1.65}.welcome-points{grid-template-columns:repeat(4,1fr);gap:10px;margin:35px 0 31px;display:grid}.welcome-points span{border:1px solid var(--line);color:#5e706c;background:#fffefac7;border-radius:10px;flex-direction:column;align-items:center;gap:10px;padding:16px 8px;font-size:9px;display:flex}.welcome-points i{color:var(--forest);border:1px solid #8daa9f;border-radius:50%;place-items:center;width:27px;height:27px;font:500 12px/1 Georgia,serif;display:grid}.onboarding-primary{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:9px;padding:14px 18px;font-size:10px;font-weight:800}.onboarding-primary span{margin-left:14px}.onboarding-welcome>small{color:#8e9895;margin-top:13px;font-size:8px;display:block}.question-step{width:100%;max-width:760px}.question-step>.eyebrow{color:#4f7669;text-align:center}.question-step h1{text-align:center;margin:13px 0 10px;font-size:34px}.question-step .step-description{text-align:center}.step-fields{flex-direction:column;gap:27px;margin-top:31px;display:flex}.field-label{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.field-label small{color:#8b9692;font-size:8px}.onboarding-date{background:var(--paper);color:var(--forest);border:1px solid #d9ddd6;border-radius:9px;width:100%;min-height:46px;padding:0 12px;font-size:10px}.onboarding-date:focus{border-color:#73a087;outline:0;box-shadow:0 0 0 2px #73a08726}.choice-grid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.choice-grid button{background:var(--paper);cursor:pointer;text-align:left;border:1px solid #d9ddd6;border-radius:9px;align-items:center;gap:8px;min-height:48px;padding:10px 11px;font-size:9px;font-weight:650;display:flex}.choice-grid button i{border:1px solid #cad1cb;border-radius:50%;flex:0 0 18px;place-items:center;width:18px;height:18px;font-size:8px;font-style:normal;display:grid}.choice-grid button.selected{color:var(--forest);background:#e9f2ea;border-color:#73a087;box-shadow:0 0 0 1px #73a087}.choice-grid button.selected i{background:var(--forest);border-color:var(--forest);color:#fff}.segmented{background:#e8eae4;border-radius:9px;grid-template-columns:repeat(2,1fr);gap:4px;padding:4px;display:grid}.segmented.wrap{grid-template-columns:repeat(4,1fr)}.segmented button{color:#71807c;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:10px;font-size:9px}.segmented button.selected{background:var(--paper);color:var(--forest);font-weight:750;box-shadow:0 2px 8px #1b393314}.study-style-list{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.study-style-list>button{background:var(--paper);cursor:pointer;text-align:left;border:1px solid #d9ddd6;border-radius:10px;align-items:flex-start;gap:10px;min-height:112px;padding:15px;display:flex}.study-style-list>button>i{border:1px solid #cbd2cc;border-radius:50%;flex:0 0 19px;place-items:center;width:19px;height:19px;font-size:8px;font-style:normal;display:grid}.study-style-list strong,.study-style-list small{display:block}.study-style-list strong{font:500 13px/1.2 Georgia,serif}.study-style-list small{color:#74817e;margin-top:7px;font-size:8px;line-height:1.5}.study-style-list>button.selected{background:#e9f2ea;border-color:#73a087;box-shadow:0 0 0 1px #73a087}.study-style-list>button.selected>i{background:var(--forest);border-color:var(--forest);color:#fff}.confidence-scale{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.confidence-scale button{background:var(--paper);cursor:pointer;border:1px solid #d9ddd6;border-radius:9px;min-height:57px;padding:8px}.confidence-scale strong,.confidence-scale small{display:block}.confidence-scale strong{font:500 16px/1 Georgia,serif}.confidence-scale small{color:#8c9693;height:8px;margin-top:5px;font-size:7px}.confidence-scale button.selected{background:var(--forest);border-color:var(--forest);color:#fff}.confidence-scale button.selected small{color:#b8d4c8}.confidence-friendly{grid-template-columns:repeat(5,1fr);gap:7px;display:grid}.confidence-friendly button{background:var(--paper);cursor:pointer;text-align:left;border:1px solid #d9ddd6;border-radius:9px;align-items:flex-start;gap:7px;min-height:72px;padding:11px 9px;display:flex}.confidence-friendly button>i{border:1px solid #cad1cb;border-radius:50%;flex:0 0 17px;place-items:center;width:17px;height:17px;font-size:7px;font-style:normal;display:grid}.confidence-friendly strong,.confidence-friendly small{display:block}.confidence-friendly strong{font-size:8px;line-height:1.3}.confidence-friendly small{color:#83908c;margin-top:4px;font-size:7px;line-height:1.4}.confidence-friendly button.selected{background:#e9f2ea;border-color:#73a087;box-shadow:0 0 0 1px #73a087}.confidence-friendly button.selected>i{background:var(--forest);border-color:var(--forest);color:#fff}.topic-choices{flex-wrap:wrap;gap:7px;display:flex}.topic-choices button{background:var(--paper);color:#63736f;cursor:pointer;border:1px solid #d9ddd6;border-radius:99px;padding:8px 11px;font-size:8px}.topic-choices button.selected{color:var(--forest);background:#e6f0e7;border-color:#7da38e;font-weight:700}.topic-choices button span{margin-right:5px}.onboarding-actions{justify-content:space-between;align-items:center;max-width:760px;margin:0 auto;display:flex}.onboarding-actions>button:first-child{color:#667672;cursor:pointer;background:0 0;border:0;font-size:9px;font-weight:700}.onboarding-primary:disabled{cursor:not-allowed;opacity:.45}.onboarding-footnote{color:#99a19f;text-align:center;margin-top:35px;font-size:8px}.onboarding-summary{padding-top:8px}.summary-check{background:var(--forest);color:#fff;border-radius:50%;place-items:center;width:43px;height:43px;margin:0 auto 17px;font-size:17px;display:grid}.onboarding-summary h1{margin-top:12px;font-size:34px}.summary-grid{border:1px solid var(--line);text-align:left;background:#fffefac7;border-radius:12px;grid-template-columns:repeat(2,1fr);margin:28px 0 25px;display:grid}.summary-grid div{border-bottom:1px solid var(--line);padding:15px 18px}.summary-grid div:nth-child(odd){border-right:1px solid var(--line)}.summary-grid div:nth-child(3),.summary-grid div:nth-child(4){border-bottom:0}.summary-grid small,.summary-grid strong{display:block}.summary-grid small{color:#89938f;letter-spacing:1px;font-size:7px}.summary-grid strong{margin-top:5px;font:500 12px/1.3 Georgia,serif}.study-screen{max-width:1500px;min-height:100vh;margin:0 auto;padding:35px 48px 56px}.study-header{justify-content:space-between;align-items:end;gap:32px;margin-bottom:28px;display:flex}.study-header h1{letter-spacing:-1.2px;margin:9px 0 12px;font:500 44px/1.05 Georgia,serif}.study-header>div:first-child>p:last-child{color:#61716c;max-width:720px;margin:0;font-size:14px;line-height:1.6}.study-overview{border:1px solid var(--line);background:#fffefab8;border-radius:13px;flex:0 0 430px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.study-overview span{color:#6f7e79;text-align:center;padding:15px 10px;font-size:10px;line-height:1.35}.study-overview span+span{border-left:1px solid var(--line)}.study-overview strong{color:var(--forest);margin-bottom:6px;font:500 23px/1 Georgia,serif;display:block}.study-topic-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;display:grid}.study-topic-card{background:var(--paper);border:1px solid var(--line);cursor:pointer;text-align:left;border-radius:14px;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:13px;min-height:84px;padding:15px 18px;transition:border-color .18s,box-shadow .18s,transform .18s;display:grid}.study-topic-card:hover{border-color:#aebdb5;transform:translateY(-1px)}.study-topic-card.active{border-color:#789b8b;box-shadow:0 8px 25px #1b393314,inset 0 0 0 1px #789b8b}.study-topic-symbol{border-radius:9px;place-items:center;width:39px;height:39px;font:700 12px/1 Georgia,serif;display:grid}.study-topic-copy,.study-topic-meta{min-width:0;display:block}.study-topic-copy strong,.study-topic-copy small,.study-topic-meta b,.study-topic-meta small{display:block}.study-topic-copy strong{-webkit-line-clamp:2;line-clamp:2;overflow-wrap:anywhere;-webkit-box-orient:vertical;font:500 15px/1.2 Georgia,serif;display:-webkit-box;overflow:hidden}.study-topic-copy small{color:#71807b;text-overflow:ellipsis;white-space:nowrap;margin-top:6px;font-size:10px;line-height:1.4;overflow:hidden}.study-topic-meta{border-left:1px solid var(--line);min-width:88px;padding-left:14px}.study-topic-meta b{color:#4d7165;white-space:nowrap;font-size:9px}.study-topic-meta small{color:#899490;white-space:nowrap;margin-top:5px;font-size:9px}.study-topic-card>i{color:#75857f;font-size:15px;font-style:normal}.study-layout{grid-template-columns:minmax(340px,400px) minmax(0,1fr);align-items:start;gap:20px;margin-top:20px;display:grid}.module-list-panel,.module-detail-panel{background:var(--paper);border:1px solid var(--line);border-radius:15px}.module-list-panel{min-width:0;position:sticky;top:82px;overflow:hidden}.study-section-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;padding:20px 22px 17px;display:flex}.study-section-heading .eyebrow{font-size:10px}.study-section-heading h2{margin:7px 0 0;font:500 24px/1.2 Georgia,serif}.study-section-heading>span{color:#7e8d87;font-size:10px}.module-list{flex-direction:column;min-height:420px;max-height:calc(100vh - 210px);padding:8px;display:flex;overflow:auto}.module-row{cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:10px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:72px;padding:12px 11px;display:grid}.module-row+.module-row{border-top-color:#efefe9;border-top-left-radius:0;border-top-right-radius:0}.module-row:hover{background:#f4f5ef}.module-row.active{background:#e7f0e8;border-color:#c5d7cb;border-radius:9px}.module-row.preparing{color:#75827e}.module-number{color:#64756f;border:1px solid #d4dad3;border-radius:8px;place-items:center;width:38px;height:38px;font:500 12px/1 Georgia,serif;display:grid}.module-row.active .module-number{background:var(--forest);border-color:var(--forest);color:#fff}.module-copy{min-width:0}.module-copy strong,.module-copy small{display:block}.module-copy strong{font-size:13px;line-height:1.35}.module-copy small{color:#7f8d88;margin-top:5px;font-size:10px;line-height:1.35}.module-status{color:#7e8b86;white-space:nowrap;background:#f0f0eb;border-radius:99px;padding:6px 8px;font-size:8px;font-weight:800}.module-status.ready{color:#46725e;background:#d9eadf}.module-status.summary{color:#67587b;background:#ece7f2}.module-status.completed{background:var(--forest);color:#fff}.module-detail-panel{padding:32px 34px 38px}.module-detail-top{justify-content:space-between;align-items:center;display:flex}.module-detail-top span{color:#4f7669;letter-spacing:1.15px;font-size:11px;font-weight:800}.module-detail-top small{color:#806a36;background:#eee8da;border-radius:99px;padding:7px 10px;font-size:9px;font-weight:800}.module-detail-panel>h2{letter-spacing:-.8px;margin:24px 0 12px;font:500 38px/1.08 Georgia,serif}.module-detail-panel>p{color:#5f706a;max-width:860px;margin:0;font-size:15px;line-height:1.65}.module-completion-toggle{color:var(--ink);cursor:pointer;text-align:left;background:#f6f7f2;border:1px solid #dce1da;border-radius:12px;align-items:center;gap:14px;width:100%;margin-top:24px;padding:16px 18px;display:flex}.module-completion-toggle:hover{border-color:#9cb4a7}.module-completion-toggle>i{background:var(--paper);border:1px solid #bfc9c2;border-radius:7px;flex:0 0 31px;place-items:center;width:31px;height:31px;font-size:13px;font-style:normal;display:grid}.module-completion-toggle strong,.module-completion-toggle small{display:block}.module-completion-toggle strong{font-size:14px}.module-completion-toggle small{color:#74827d;margin-top:5px;font-size:11px;line-height:1.45}.module-completion-toggle.completed{background:#e7f1e9;border-color:#a8c4b2}.module-completion-toggle.completed>i{background:var(--forest);border-color:var(--forest);color:#fff}.module-actions{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;padding-bottom:28px;display:flex}.module-primary{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:9px;min-height:46px;padding:13px 17px;font-size:12px;font-weight:800}.module-primary span{color:var(--mint);margin-left:14px}.module-primary.disabled{color:#7c8985;cursor:not-allowed;background:#e7e9e3}.module-actions .module-secondary{min-height:46px;padding:12px 15px;font-size:11px}.module-actions>span{color:#74827d;margin-left:auto;font-size:10px}.module-actions>span strong{color:var(--forest);margin-right:5px;font:500 19px/1 Georgia,serif}.module-quick-summary{margin-top:32px}.summary-block-heading{justify-content:space-between;align-items:end;margin-bottom:13px;display:flex}.summary-block-heading .eyebrow{font-size:10px}.summary-block-heading h3{margin:7px 0 0;font:500 26px/1.2 Georgia,serif}.summary-block-heading>span{color:#7b8984;font-size:10px}.summary-block-heading.compact{border-top:1px solid var(--line);margin-top:28px;padding-top:27px}.summary-key-points{border-bottom:1px solid var(--line);margin:0;padding:0 0 4px;list-style:none}.summary-key-points li{border-top:1px solid #ecece6;align-items:flex-start;gap:14px;padding:16px 3px;display:flex}.summary-key-points li:first-child{border-top:0}.summary-key-points li>span{color:#587267;border:1px solid #d4dad3;border-radius:6px;flex:0 0 31px;place-items:center;height:31px;font:500 10px/1 Georgia,serif;display:grid}.summary-key-points p{color:#53645e;margin:3px 0 0;font-size:14px;line-height:1.65}.summary-reference-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.summary-reference-grid article{background:#f7f6f1;border:1px solid #e1e2db;border-radius:9px;min-width:0;padding:14px 15px}.summary-reference-grid strong,.summary-reference-grid code,.summary-reference-grid .summary-formula-notation{display:block}.summary-reference-grid strong{color:#62736d;margin-bottom:9px;font-size:10px}.summary-reference-grid code,.summary-formula-notation{color:var(--forest);overflow-wrap:anywhere;font:500 13px/1.5 Georgia,serif;overflow-x:auto}.summary-guidance{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;display:grid}.summary-guidance article{background:#eaf1e9;border:1px solid #d3e0d4;border-radius:10px;padding:18px 19px}.summary-guidance article.traps{background:#f5eee6;border-color:#ead9c5}.summary-guidance .eyebrow{color:#4e7567;font-size:10px}.summary-guidance .traps .eyebrow{color:#916f3d}.summary-guidance ul{margin:10px 0 0;padding:0;list-style:none}.summary-guidance li{color:#53645e;padding-left:16px;font-size:12px;line-height:1.55;position:relative}.summary-guidance li+li{margin-top:9px}.summary-guidance li:before{color:#4d7b65;content:"✓";font-size:9px;position:absolute;top:2px;left:0}.summary-guidance .traps li:before{color:#a57a43;content:"!";font-weight:800}.module-concepts,.module-formulas{margin-top:28px}.module-subheading{justify-content:space-between;align-items:center;margin-bottom:11px;display:flex}.module-subheading strong{font-size:13px}.module-subheading span{color:#7d8a86;font-size:10px}.module-concepts>div:last-child{flex-wrap:wrap;gap:6px;display:flex}.module-concepts>div:last-child>span{color:#586b64;background:#eef1eb;border:1px solid #e1e4dd;border-radius:99px;padding:8px 10px;font-size:10px}.formula-library-list{border:1px solid #e1e2db;border-radius:9px;overflow:hidden}.formula-library-list article{background:#faf9f5;grid-template-columns:minmax(180px,.8fr) minmax(240px,1.2fr);align-items:center;gap:18px;padding:14px 15px;display:grid}.formula-library-list article+article{border-top:1px solid #e1e2db}.formula-library-list strong,.formula-library-list small{display:block}.formula-library-list strong{font:500 14px/1.3 Georgia,serif}.formula-library-list small{color:#7f8d88;margin-top:5px;font-size:9px}.formula-library-list code,.formula-library-notation{color:var(--forest);overflow-wrap:anywhere;text-align:right;font:500 13px/1.4 Georgia,serif;overflow-x:auto}.show-formulas{color:#456b5e;cursor:pointer;background:0 0;border:0;margin-top:13px;padding:6px 0;font-size:10px;font-weight:800}.show-formulas span{margin-left:5px}@media (max-width:1000px){.study-screen{padding-left:30px;padding-right:30px}.study-header{flex-direction:column;align-items:stretch}.study-overview{flex:none;width:100%}.study-layout{grid-template-columns:1fr}.module-list-panel{position:static}.module-list{min-height:0;max-height:480px}.study-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-topic-meta{display:none}.study-topic-card{grid-template-columns:auto minmax(0,1fr) auto}}.brand-button{cursor:pointer;text-align:left;background:0 0;border:0;padding:0}.nav-count{color:#fff;text-align:center;background:#d7a54e;border-radius:99px;min-width:17px;margin-left:auto;padding:3px 5px;font-size:7px}.formula-variables{color:#778580;margin:-5px 0 10px;font-size:8px;line-height:1.5}.formula-variables strong{color:var(--forest)}.question-meta>div{align-items:center;gap:10px;display:flex}.save-question{color:#63736f;cursor:pointer;background:0 0;border:1px solid #cfd5ce;border-radius:7px;align-items:center;gap:6px;padding:7px 9px;font-size:8px;font-weight:750;display:flex}.save-question i{border:1px solid;border-radius:50%;place-items:center;width:15px;height:15px;font-style:normal;display:grid}.save-question.saved{color:var(--forest);background:#e7f0e8;border-color:#7da08c}.formula-reference{border:1px solid #dedfd8;border-left:3px solid var(--amber);background:#f8f7f1;border-radius:9px;margin:-12px 0 21px;padding:13px 16px 14px}.formula-reference-heading{justify-content:space-between;align-items:center;display:flex}.formula-reference-heading span{color:#57736b;letter-spacing:1px;font-size:7px;font-weight:800}.formula-reference-heading small{color:#8b743e;letter-spacing:.7px;background:#ece7db;border-radius:99px;padding:4px 6px;font-size:6px;font-weight:800}.formula-reference-body{grid-template-columns:1fr auto;align-items:end;gap:20px;margin-top:9px;display:grid}.formula-reference h2{margin:0 0 6px;font:500 13px/1.2 Georgia,serif}.formula-reference-body>div>p{color:var(--forest);margin:0;font:500 19px/1.3 Georgia,serif}.formula-reference dl{gap:13px;margin:0;display:flex}.formula-reference dl div{grid-template-columns:auto auto;display:grid}.formula-reference dt{color:var(--forest);font:700 8px/1.3 Georgia,serif}.formula-reference dd{color:#7d8985;margin:0 0 0 4px;font-size:7px}.formula-help{background:#f8f7f1;border:1px dashed #cdd2ca;border-radius:9px;justify-content:space-between;align-items:center;margin:-12px 0 21px;padding:13px 15px;display:flex}.formula-help>div{align-items:center;gap:10px;display:flex}.formula-help>div>span{color:var(--forest);border:1px solid #a9b7ae;border-radius:6px;place-items:center;width:30px;height:30px;font:500 16px/1 Georgia,serif;display:grid}.formula-help p{color:#75817d;margin:0;font-size:8px;line-height:1.45}.formula-help p strong{color:var(--ink);margin-bottom:2px;font-size:9px;display:block}.formula-help>button{background:var(--paper);color:var(--forest);cursor:pointer;border:1px solid #bfc8c0;border-radius:7px;padding:8px 10px;font-size:8px;font-weight:750}.formula-help>button small{color:#8b9591;margin-top:3px;font-size:6px;font-weight:500;display:block}.assisted-note{color:#896f39;border-top:1px solid #e2ded2;margin:10px 0 0;padding-top:9px;font-size:7px;line-height:1.4}.confidence>span em{color:#9aa29f;margin-left:4px;font-size:7px;font-style:normal}.error-book-tip{border-top:1px solid var(--line);align-items:flex-start;gap:9px;margin-top:18px;padding-top:17px;display:flex}.error-book-tip>span{color:var(--forest);border:1px solid #79968b;border-radius:5px;flex:0 0 22px;place-items:center;height:22px;font-size:13px;display:grid}.error-book-tip p{color:#75817e;margin:0;font-size:8px;line-height:1.5}.error-book-tip strong{color:var(--ink);margin-bottom:3px;display:block}.error-book-screen{max-width:1210px;min-height:100vh;margin:0 auto;padding:33px 48px 42px}.error-book-header{justify-content:space-between;align-items:end;display:flex}.error-book-header .back-button{margin-bottom:28px}.error-book-header h1{letter-spacing:-1px;margin:7px 0 10px;font:500 37px/1 Georgia,serif}.error-book-header>div>p:last-child{color:#6f7d79;margin:0;font-size:11px}.error-book-stat{background:var(--forest);color:#fff;border-radius:13px;grid-template-columns:auto 1fr;min-width:185px;padding:17px 19px;display:grid}.error-book-stat strong{grid-row:1/3;margin-right:12px;font:500 35px/1 Georgia,serif}.error-book-stat span{font-size:9px;font-weight:700}.error-book-stat small{color:#a8c8bb;margin-top:3px;font-size:8px}.error-book-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:31px;padding-bottom:11px;display:flex}.error-book-toolbar>div{gap:5px;display:flex}.error-book-toolbar button{color:#74817e;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:7px 10px;font-size:8px}.error-book-toolbar button.active{color:var(--forest);background:#e4ede5;font-weight:750}.error-book-toolbar>span{color:#8b9592;font-size:8px}.error-book-list{flex-direction:column;gap:10px;margin-top:14px;display:flex}.error-book-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;gap:25px;padding:20px 22px;display:flex}.error-book-item-main{flex:1}.item-badges{align-items:center;gap:7px;display:flex}.item-badges>span{color:#5f7c72;letter-spacing:.8px;font-size:7px;font-weight:800}.item-badges small{letter-spacing:.5px;border-radius:99px;padding:4px 6px;font-size:6px;font-weight:800}.item-badges small.manual{color:#4f7965;background:#e4eee5}.error-book-item h2{margin:10px 0 6px;font:500 17px/1.2 Georgia,serif}.error-book-item-main>p{color:#65736f;margin:0;font-size:9px;line-height:1.45}.item-details{align-items:center;gap:15px;margin-top:12px;display:flex}.item-details span{color:#7c8985;align-items:center;gap:5px;font-size:7px;display:flex}.item-details i{background:var(--coral);border-radius:50%;width:5px;height:5px}.item-details b{color:var(--forest);border:1px solid #9cac9f;border-radius:4px;place-items:center;width:16px;height:16px;font-family:Georgia,serif;display:grid}.item-details strong{color:#99732e;margin-left:auto;font-size:7px}.error-book-item-actions{flex-direction:column;gap:7px;min-width:112px;display:flex}.review-now{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:7px;padding:10px 12px;font-size:8px;font-weight:750}.review-now span{margin-left:7px}.remove-item{color:#89938f;cursor:pointer;background:0 0;border:0;padding:3px;font-size:7px}.error-book-rule{background:#e9ede6;border-radius:10px;grid-template-columns:auto 1fr;align-items:center;gap:20px;margin-top:18px;padding:14px 17px;display:grid}.error-book-rule>span{color:#547068;letter-spacing:.8px;text-transform:uppercase;font-size:8px;font-weight:800}.error-book-rule p{color:#6d7a76;margin:0;font-size:8px;line-height:1.5}.error-book-rule strong{color:var(--ink)}.empty-error-book{text-align:center;padding:80px 20px}.empty-error-book>span{color:#4b7c63;background:#e1eee4;border-radius:50%;place-items:center;width:40px;height:40px;margin:0 auto;display:grid}.empty-error-book h2{margin:14px 0 7px;font:500 22px/1 Georgia,serif}.empty-error-book p{color:#77837f;font-size:9px}.formula-exercise-card{background:var(--forest);color:#fff;padding:22px 24px 16px;position:relative;overflow:hidden}.formula-exercise-card:after{content:"";border:1px solid #bce6cd14;border-radius:50%;width:200px;height:200px;position:absolute;top:-105px;right:-100px}.formula-exercise-heading{z-index:1;justify-content:space-between;align-items:flex-start;display:flex;position:relative}.formula-exercise-heading .eyebrow{color:#a9d3bb}.formula-exercise-heading>div>span{color:#8dab9f;margin-top:4px;font-size:7px;display:block}.formula-exercise-heading>small{color:#aac0b8;border:1px solid #ffffff29;border-radius:99px;padding:5px 7px;font-size:7px}.formula-exercise-card>h3{z-index:1;margin:16px 0 4px;font:500 19px/1.2 Georgia,serif;position:relative}.formula-exercise-card>p{color:#a9bdb6;margin:0 0 12px;font-size:8px}.formula-options{z-index:1;flex-direction:column;gap:6px;display:flex;position:relative}.formula-options button{color:#e1ebe7;cursor:pointer;text-align:left;background:#ffffff0e;border:1px solid #ffffff21;border-radius:7px;align-items:center;gap:8px;width:100%;min-height:36px;padding:7px 9px;display:flex}.formula-options button>span:first-child{border:1px solid #ffffff38;border-radius:50%;flex:0 0 20px;place-items:center;width:20px;height:20px;font-size:7px;display:grid}.formula-options button>strong,.formula-option-notation{font:500 10px/1.3 Georgia,serif}.formula-option-notation{min-width:0;overflow-x:auto}.formula-options button>i{border-radius:50%;place-items:center;width:17px;height:17px;margin-left:auto;font-size:7px;font-style:normal;display:grid}.formula-options button.selected{background:#bce6cd1c;border-color:#8db9a1}.formula-options button.correct{background:#7fc99929;border-color:#7fc999}.formula-options button.correct>i{color:var(--forest);background:#77bb8f}.formula-options button.wrong{background:#d1715a24;border-color:#bc715d}.formula-options button.wrong>i{color:#fff;background:#c87861}.check-formula{background:var(--mint);color:var(--forest);cursor:pointer;z-index:1;border:0;border-radius:7px;margin-top:11px;padding:9px 11px;font-size:8px;font-weight:800;position:relative}.check-formula:disabled{cursor:not-allowed;opacity:.35}.check-formula span{margin-left:6px}.formula-result{z-index:1;justify-content:space-between;align-items:center;margin-top:10px;display:flex;position:relative}.formula-result p{color:#b8cbc4;margin:0;font-size:8px}.formula-result p strong{color:#a7dbba}.formula-result.wrong p strong{color:#e2a18f}.formula-result button{background:var(--mint);color:var(--forest);cursor:pointer;border:0;border-radius:6px;padding:8px 9px;font-size:7px;font-weight:800}.formula-exercise-card>footer{color:#77958b;letter-spacing:.3px;border-top:1px solid #ffffff17;margin-top:13px;padding-top:10px;font-size:6px}.formula-exercise-screen{max-width:1120px}.formula-exercise-toolbar{background:var(--paper);border:1px solid var(--line);border-radius:13px;grid-template-columns:minmax(210px,1fr) minmax(250px,1.15fr) auto;align-items:end;gap:12px;margin-bottom:22px;padding:14px;display:grid}.formula-exercise-toolbar label{gap:6px;display:grid}.formula-exercise-toolbar label>span{color:#71807c;letter-spacing:.8px;text-transform:uppercase;font-size:7px;font-weight:800}.formula-exercise-toolbar select{color:var(--ink);cursor:pointer;background:#faf9f5;border:1px solid #d9ddd6;border-radius:8px;outline:0;width:100%;min-height:40px;padding:0 11px;font-size:9px}.formula-exercise-toolbar select:disabled{color:#929c98;cursor:not-allowed}.formula-exercise-toolbar>button{color:var(--forest);cursor:pointer;background:#edf2eb;border:1px solid #d4ddd5;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-height:40px;padding:0 13px;font-size:8px;font-weight:800;display:flex}.formula-exercise-toolbar>button:hover{background:#e2ece4}.formula-exercise-toolbar>button:disabled{cursor:not-allowed;opacity:.4}.formula-exercise-stage{max-width:820px;margin:0 auto}.formula-session-summary{justify-content:flex-end;gap:9px;margin-bottom:9px;display:flex}.formula-session-summary span{color:#71807c;background:#e9ede6;border-radius:99px;padding:6px 9px;font-size:7px}.formula-session-summary strong{color:var(--forest);font-size:9px}.formula-exercise-page-card{min-height:480px;padding:29px 31px 25px}.formula-exercise-page-card:after{width:360px;height:360px;top:-190px;right:-170px}.formula-exercise-location{z-index:1;border-bottom:1px solid #ffffff17;align-items:center;gap:10px;margin-top:19px;padding-bottom:17px;display:flex;position:relative}.formula-exercise-location>span{border-radius:8px;flex:0 0 34px;place-items:center;height:34px;font:700 10px/1 Georgia,serif;display:grid}.formula-exercise-location p,.formula-exercise-location strong,.formula-exercise-location small{margin:0;display:block}.formula-exercise-location strong{color:#e5eee9;font-size:10px}.formula-exercise-location small{color:#89a79d;margin-top:4px;font-size:7px}.formula-exercise-page-card>h2{letter-spacing:-.35px;z-index:1;margin:24px 0 5px;font:500 27px/1.15 Georgia,serif;position:relative}.formula-exercise-page-card>.formula-exercise-concept{color:#87a79c;z-index:1;margin:0;font-size:8px;position:relative}.formula-exercise-page-card>.formula-exercise-prompt{color:#c2d2cc;z-index:1;margin:24px 0 10px;font-size:10px;font-weight:700;position:relative}.formula-exercise-page-card .formula-options{gap:9px}.formula-exercise-page-card .formula-options button{border-radius:9px;min-height:64px;padding:11px 13px}.formula-exercise-page-card .formula-options button>span:first-child{flex-basis:27px;width:27px;height:27px;font-size:9px}.formula-exercise-page-card .formula-option-notation{font:500 14px/1.35 Georgia,serif}.formula-exercise-page-card .check-formula{margin-top:15px;padding:11px 14px;font-size:9px}.formula-exercise-page-card .formula-result{border-top:1px solid #ffffff17;margin-top:16px;padding-top:15px}.formula-exercise-page-card .formula-result p{font-size:9px}.formula-exercise-page-card .formula-result button{padding:10px 12px;font-size:8px}@media (max-width:760px){.onboarding-shell{padding:23px 18px 30px}.onboarding-topbar{grid-template-columns:1fr auto}.onboarding-brand small,.onboarding-step{display:none}.onboarding-progress{top:75px}.onboarding-card{min-height:540px;margin-top:51px}.onboarding-welcome h1,.question-step h1,.onboarding-summary h1{font-size:30px}.welcome-points{grid-template-columns:repeat(2,1fr);margin-top:27px}.choice-grid,.study-style-list,.segmented.wrap{grid-template-columns:1fr 1fr}.topic-choices{max-height:154px;overflow:auto}.confidence-friendly{grid-template-columns:1fr 1fr;max-height:170px;overflow:auto}.confidence-friendly button:last-child{grid-column:1/3}.onboarding-actions{margin-top:15px}.summary-grid{grid-template-columns:1fr}.summary-grid div,.summary-grid div:nth-child(odd){border-bottom:1px solid var(--line);border-right:0}.summary-grid div:last-child{border-bottom:0}.question-meta{align-items:flex-start;gap:10px}.question-meta>div{flex-direction:column;align-items:flex-start;gap:6px}.save-question{text-align:left;max-width:130px}.formula-reference-body{display:block}.formula-reference dl{flex-wrap:wrap;margin-top:12px}.formula-help{flex-direction:column;align-items:stretch;gap:10px}.formula-help>button{width:100%}.error-book-screen{padding:23px 18px 30px}.error-book-header{flex-direction:column;align-items:flex-start;gap:20px}.error-book-header .back-button{margin-bottom:20px}.error-book-stat{width:100%}.error-book-toolbar{flex-direction:column;align-items:flex-start;gap:9px;overflow:auto}.error-book-toolbar>div{min-width:max-content}.error-book-item{flex-direction:column;align-items:stretch}.item-details{flex-wrap:wrap}.item-details strong{width:100%;margin-left:0}.error-book-item-actions{flex-direction:row}.review-now{flex:1}.error-book-rule{display:block}.error-book-rule p{margin-top:7px}.study-screen{padding:23px 18px 30px}.study-header{align-items:stretch;display:block}.study-header h1{font-size:31px}.study-overview{flex:none;grid-template-columns:repeat(2,1fr);margin-top:20px}.study-overview span:nth-child(3){border-left:0;border-top:1px solid var(--line)}.study-overview span:nth-child(4){border-top:1px solid var(--line)}.study-topic-grid,.study-layout{grid-template-columns:1fr}.study-topic-card{grid-template-columns:auto minmax(0,1fr) auto}.study-topic-meta{display:none}.module-list{min-height:0;max-height:none}.module-list-panel{position:static}.module-detail-panel{padding:22px 19px}.module-detail-panel>h2{font-size:24px}.module-detail-panel>p{font-size:14px}.module-actions{flex-direction:column;align-items:stretch}.module-actions>span{margin-left:0}.module-primary{width:100%}.summary-reference-grid,.summary-guidance{grid-template-columns:1fr}.summary-block-heading{flex-direction:column;align-items:flex-start;gap:6px}.formula-library-list article{grid-template-columns:1fr;align-items:start}.formula-library-list code{text-align:left}}.language-switcher{border:1px solid var(--line);z-index:60;background:#fffefaf5;border-radius:9px;align-items:center;gap:8px;padding:6px 9px;display:flex;position:fixed;top:22px;right:30px}.language-switcher>span{color:#7b8985;letter-spacing:.8px;text-transform:uppercase;font-size:7px;font-weight:800}.language-switcher select{color:var(--forest);cursor:pointer;background:0 0;border:0;outline:0;font-size:9px;font-weight:800}.dashboard,.study-screen,.question-screen,.error-book-screen{padding-top:72px}.brand strong{letter-spacing:-.25px;white-space:nowrap;font-size:16px}.module-secondary,.secondary-library-button{color:var(--forest);cursor:pointer;background:#f1f3ed;border:1px solid #d7ddd6;border-radius:8px;padding:10px 12px;font-size:8px;font-weight:800}.module-secondary:hover,.secondary-library-button:hover{background:#e6eee7}.module-secondary span{margin-left:5px}.random-qbank-button{align-items:center;gap:6px;display:inline-flex}.deep-dive-panel{background:#f5f4ee;border:1px solid #dfe1d9;border-radius:12px;margin-top:26px;padding:24px}.deep-dive-panel>p{color:#53655f;margin:14px 0 22px;font-size:14px;line-height:1.65}.deep-dive-formulas{gap:15px;display:grid}.deep-dive-concepts{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.deep-dive-concepts article{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:16px}.deep-dive-concepts strong{font:500 15px/1.25 Georgia,serif}.deep-dive-concepts p{color:#657670;margin:8px 0 0;font-size:12px;line-height:1.55}.deep-dive-panel .formula-detail-heading>div>span{font-size:9px}.deep-dive-panel .formula-detail-heading h2{font-size:21px}.deep-dive-panel .formula-detail-grid h3{font-size:9px}.deep-dive-panel .formula-explanation p{font-size:12px}.library-screen{max-width:1310px;min-height:100vh;margin:0 auto;padding:72px 48px 48px}.library-header{justify-content:space-between;align-items:end;margin-bottom:27px;display:flex}.library-header h1{letter-spacing:-1.1px;margin:8px 0 10px;font:500 38px/1.05 Georgia,serif}.library-header>div>p:last-child{color:#6e7d79;margin:0;font-size:11px;line-height:1.5}.library-header>strong{background:var(--forest);color:#fff;text-align:center;border-radius:13px;min-width:92px;padding:14px;font:500 28px/1 Georgia,serif;display:grid}.library-header>strong small{color:#9fc2b4;text-transform:uppercase;margin-top:7px;font:800 7px/1 Arial,sans-serif}.library-topic-tabs{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;display:grid}.library-topic-tabs button{background:var(--paper);border:1px solid var(--line);cursor:pointer;text-align:left;border-radius:10px;align-items:center;gap:9px;padding:10px 12px;font-size:9px;font-weight:750;display:flex}.library-topic-tabs button.active{background:#e7f0e8;border-color:#7e9e8f;box-shadow:inset 0 0 0 1px #7e9e8f}.library-topic-tabs button>span{border-radius:7px;place-items:center;width:28px;height:28px;font:700 9px/1 Georgia,serif;display:grid}.library-filters{grid-template-columns:minmax(240px,1fr) minmax(230px,.45fr);align-items:center;gap:12px;margin:15px 0 19px;display:grid}.library-filters label{background:var(--paper);border:1px solid var(--line);border-radius:9px;align-items:center;padding:0 12px;display:flex}.library-filters input,.library-filters select,.question-bank-toolbar select{background:var(--paper);border:1px solid var(--line);color:var(--ink);border-radius:9px;outline:0;width:100%;min-height:39px;padding:0 12px;font-size:9px}.library-filters input{background:0 0;border:0}.formula-detail-list{gap:14px;display:grid}.formula-module-label{color:#70807b;letter-spacing:.8px;text-transform:uppercase;margin:0 0 5px 4px;font-size:7px;font-weight:800}.formula-detail-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}.formula-detail-heading{grid-template-columns:minmax(220px,.8fr) minmax(300px,1.2fr);align-items:center;gap:22px;padding:17px 19px;display:grid}.formula-detail-heading>div>span{color:#698078;text-transform:uppercase;font-size:7px;font-weight:800}.formula-detail-heading h2{margin:5px 0 0;font:500 18px/1.2 Georgia,serif}.formula-detail-heading code,.formula-detail-notation{color:var(--forest);overflow-wrap:anywhere;text-align:center;background:#eef2eb;border-radius:8px;padding:12px;font:500 14px/1.45 Georgia,serif;overflow-x:auto}.formula-detail-grid{border-top:1px solid var(--line);grid-template-columns:1.15fr .85fr;display:grid}.formula-detail-grid>section{padding:15px 19px}.formula-detail-grid>section+section{border-left:1px solid var(--line)}.formula-detail-grid h3{color:#71807c;letter-spacing:.8px;text-transform:uppercase;margin:0 0 11px;font-size:7px}.formula-detail-grid dl{gap:8px;margin:0;display:grid}.formula-detail-grid dl>div{grid-template-columns:52px 1fr;align-items:start;gap:10px;display:grid}.formula-detail-grid dt{color:var(--forest);overflow-wrap:anywhere;text-align:center;background:#e6eee7;border-radius:5px;padding:5px;font:600 10px/1.25 Georgia,serif}.formula-detail-grid dd{gap:4px;margin:0;display:grid}.formula-detail-grid dd span{color:#566762;grid-template-columns:22px 1fr;gap:6px;font-size:8px;line-height:1.4;display:grid}.formula-detail-grid dd b{color:#769086;font-size:6px}.formula-explanation p{color:#5f706b;margin:0;font-size:9px;line-height:1.65}.library-empty{background:var(--paper);color:#80908a;text-align:center;border:1px dashed #cbd1ca;border-radius:12px;padding:45px}.library-empty>span{font:500 28px/1 Georgia,serif;display:block}.question-bank-toolbar{background:var(--paper);border:1px solid var(--line);border-radius:11px;justify-content:space-between;align-items:end;margin:15px 0;padding:13px;display:flex}.question-bank-toolbar label{gap:5px;min-width:390px;display:grid}.question-bank-toolbar label>span{color:#73827e;text-transform:uppercase;font-size:7px;font-weight:800}.question-bank-toolbar>div{gap:8px;display:flex}.question-bank-toolbar .module-primary:disabled,.secondary-library-button:disabled{cursor:not-allowed;opacity:.45}.student-feedback-screen{max-width:900px;margin:0 auto;padding:54px 30px 90px}.student-feedback-screen>header{max-width:690px;margin-bottom:30px}.student-feedback-screen>header h1{color:#173a30;letter-spacing:-.045em;margin:8px 0 12px;font-family:Georgia,serif;font-size:clamp(36px,5vw,58px);font-weight:500;line-height:1.03}.student-feedback-screen>header>p:last-child{color:#66756f;font-size:15px;line-height:1.65}.student-feedback-form,.feedback-thanks{background:#fff;border:1px solid #dce3dc;border-radius:20px;padding:30px;box-shadow:0 18px 50px #163c3014}.student-feedback-form{gap:24px;display:grid}.student-feedback-form fieldset{border:0;margin:0;padding:0}.student-feedback-form legend,.student-feedback-form>label{color:#29463c;font-size:12px;font-weight:750}.student-feedback-form>label{gap:9px;display:grid}.rating-options{grid-template-columns:repeat(5,1fr);gap:9px;margin-top:10px;display:grid}.rating-options button{color:#65736e;cursor:pointer;min-height:72px;font:inherit;background:#f9faf7;border:1px solid #dbe2dc;border-radius:13px;place-content:center;gap:4px;display:grid}.rating-options button:hover,.rating-options button.active{color:#17513e;background:#e9f3ed;border-color:#2f775e}.rating-options button span{font-size:17px;font-weight:780}.rating-options button small{font-size:13px}.student-feedback-form select,.student-feedback-form textarea{color:#243d35;width:100%;font:inherit;background:#fafbf8;border:1px solid #d5ddd6;border-radius:12px;outline:none;padding:13px 14px;font-size:13px}.student-feedback-form select:focus,.student-feedback-form textarea:focus{background:#fff;border-color:#397b61;box-shadow:0 0 0 3px #397b611f}.student-feedback-form textarea{resize:vertical;min-height:150px;line-height:1.55}.student-feedback-form label>small{color:#89948f;justify-self:end;font-size:10px;font-weight:500}.student-feedback-actions{justify-content:space-between;align-items:center;gap:18px;display:flex}.student-feedback-actions p{color:#7a8781;max-width:390px;margin:0;font-size:11px;line-height:1.5}.student-feedback-actions button,.feedback-thanks button{color:#fff;font:inherit;cursor:pointer;background:#17513e;border:0;border-radius:11px;padding:13px 18px;font-size:12px;font-weight:750}.student-feedback-actions button:disabled{opacity:.55;cursor:wait}.feedback-thanks{text-align:center;align-content:center;place-items:center;gap:14px;min-height:300px;display:grid}.feedback-thanks>span{color:#24684e;background:#e1f1e8;border-radius:50%;place-items:center;width:54px;height:54px;font-size:23px;display:grid}.feedback-thanks h2{color:#173a30;max-width:500px;margin:0;font-family:Georgia,serif;font-size:27px;font-weight:500}.dd-toast{color:#fff;z-index:90;background:#173e3b;border-radius:12px;align-items:center;gap:6px;max-width:calc(100vw - 24px);padding:8px 8px 8px 16px;font-size:13px;font-weight:600;display:flex;position:fixed;bottom:18px;left:50%;transform:translate(-50%);box-shadow:0 10px 28px #0e2e2d4d}.dd-toast button{color:#fff;cursor:pointer;white-space:nowrap;background:#ffffff24;border:0;border-radius:8px;padding:7px 11px;font-size:12.5px;font-weight:700}.dd-toast button:hover{background:#ffffff3d}.dd-toast .dd-toast-close{background:0 0;padding:6px 9px;font-size:16px;line-height:1}::highlight(qp-deep-dive-jump){color:inherit;background-color:#fbbf24}.dd-progress{z-index:95;background:#173e3b14;height:3px;position:fixed;top:0;left:0;right:0}.dd-progress span{background:#1f6f68;height:100%;transition:width .15s linear;display:block}.dd-toc{z-index:70;flex-direction:column;align-items:flex-end;gap:8px;display:flex;position:fixed;bottom:18px;right:18px}.dd-toc-button{color:#fff;cursor:pointer;background:#173e3b;border:0;border-radius:999px;align-items:center;gap:8px;padding:9px 14px;font-size:12.5px;font-weight:700;display:inline-flex;box-shadow:0 8px 22px #0e2e2d47}.dd-toc-button b{background:#ffffff29;border-radius:999px;padding:2px 7px;font-size:11px}.dd-toc-panel{border:1px solid var(--line);background:#fff;border-radius:14px;width:min(320px,100vw - 36px);max-height:min(60vh,440px);padding:10px;overflow-y:auto;box-shadow:0 16px 40px #0e2e2d38}.dd-toc-panel p{color:#6b7a77;letter-spacing:.08em;text-transform:uppercase;margin:2px 8px 6px;font-size:10.5px;font-weight:800}.dd-toc-panel ol{margin:0;padding:0;list-style:none}.dd-toc-panel button{color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;width:100%;padding:8px 10px;font-size:13px;line-height:1.35;display:block}.dd-toc-panel button:hover{background:#f1f5f4}.dd-toc-panel button.active{color:#173e3b;background:#e3f0ee;font-weight:800}.dd-formula{position:relative}.dd-formula-save{border:1px solid var(--line);color:#6b7a77;cursor:pointer;z-index:1;background:#fff;border-radius:999px;padding:4px 10px;font-size:11.5px;font-weight:700;position:absolute;top:10px;right:10px}.dd-table-save{border:1px solid var(--line);color:#6b7a77;cursor:pointer;background:#fff;border-radius:999px;margin:0 0 6px auto;padding:4px 10px;font-size:11.5px;font-weight:700;display:block}.dd-table-save:hover{color:#8a6a00;border-color:#c9a93a}.dd-table-save.on{color:#8a6a00;background:#fff7d6;border-color:#e6c75a}.dd-formula-save:hover{color:#8a6a00;border-color:#c9a93a}.dd-formula-save.on{color:#8a6a00;background:#fff7d6;border-color:#e6c75a}.continue-card{border:1px solid var(--line);background:#fff;border-radius:18px;justify-content:space-between;align-items:center;gap:18px;margin:0 0 16px;padding:16px 20px;display:flex;box-shadow:0 6px 22px #0e2e2d0f}.continue-copy{flex:1;min-width:0}.continue-copy h3{margin:2px 0;font-size:17px;line-height:1.3}.continue-copy small{color:#6b7a77;font-size:12.5px;display:block}.continue-track{background:#e6ece9;border-radius:999px;height:6px;margin-top:10px;overflow:hidden}.continue-track span{background:#1f6f68;height:100%;display:block}.search-chip{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}.search-chip:hover{background:#f1f5f4}.search-trigger kbd{background:#7f7f7f29;border-radius:5px;margin-left:auto;padding:2px 6px;font-family:inherit;font-size:10px}.gs-backdrop{z-index:120;background:#0a191873;justify-content:center;align-items:flex-start;padding:10vh 14px 14px;display:flex;position:fixed;inset:0}.gs-dialog{background:#fff;border-radius:16px;flex-direction:column;width:min(680px,100%);max-height:76vh;display:flex;overflow:hidden;box-shadow:0 24px 70px #0a191866}.gs-input{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:12px 16px;display:flex}.gs-input input{color:var(--ink);background:0 0;border:0;outline:none;flex:1;min-width:0;font-size:16px}.gs-input button{border:1px solid var(--line);color:#6b7a77;cursor:pointer;background:#f1f5f4;border-radius:6px;padding:3px 7px;font-size:11px}.gs-message{color:#6b7a77;margin:0;padding:18px 18px 20px;font-size:13.5px}.gs-results{margin:0;padding:6px;list-style:none;overflow-y:auto}.gs-results button{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:10px;width:100%;padding:10px 12px;display:block}.gs-results button.active{background:#eef4f3}.gs-results small{color:#6b7a77;font-size:11.5px;display:block}.gs-where{color:#173e3b;margin:2px 0 3px;font-size:12px;font-weight:700;display:block}.gs-where em{background:#e3f0ee;border-radius:5px;padding:1px 6px;font-style:normal}.gs-snippet{color:var(--ink);font-size:13.5px;line-height:1.5;display:block}.gs-snippet mark{color:inherit;background:#fde68a;border-radius:3px;padding:0 1px}@media (max-width:760px){.continue-card{flex-direction:column;align-items:stretch}}.notes-tabs{background:#eef1ef;border-radius:11px;gap:2px;margin:4px 0 14px;padding:3px;display:inline-flex}.notes-tabs button{color:#536465;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:700}.notes-tabs button.active{color:#173e3b;background:#fff;box-shadow:0 1px 4px #0e2e2d24}.note-card-actions{align-items:center;gap:8px;display:flex}.note-card-actions button,.hl-actions button,.fn-actions button,.fn-print-button{border:1px solid var(--line);color:#173e3b;cursor:pointer;white-space:nowrap;background:#f1f5f4;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700}.note-card-actions button:hover,.hl-actions button:hover,.fn-actions button:hover,.fn-print-button:hover{background:#e3f0ee}.hl-actions button.quiet,.fn-actions button.quiet{color:#6b7a77;background:0 0}.hl-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.hl-list blockquote{background:#fff8db;border-left:3px solid #e6c75a;border-radius:0 8px 8px 0;margin:0;padding:9px 12px;font-size:14px;line-height:1.55}.hl-actions{gap:8px;margin-top:7px;display:flex}.fn-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.fn-print-title{display:none}.fn-module h4{color:#536465;margin:16px 0 8px;font-size:13px}.fn-card{margin:0 0 14px}.fn-section{color:#6b7a77;letter-spacing:.05em;text-transform:uppercase;margin:0 0 6px;font-size:11.5px;font-weight:700}.fn-actions{justify-content:flex-end;gap:8px;margin-top:8px;display:flex}@media print{@page{margin:14mm}html,body{height:auto!important;overflow:visible!important}body:not(.nb-printing) *{visibility:hidden!important}body:not(.nb-printing) .fn-print,body:not(.nb-printing) .fn-print *{visibility:visible!important}.fn-print{width:100%;position:absolute;top:0;left:0}.fn-screen-title,.fn-print-button,.fn-actions{display:none!important}.fn-print-title{display:block}.fn-card{break-inside:avoid}}@media (max-width:760px){.dd-toc{bottom:calc(74px + env(safe-area-inset-bottom));right:12px}.dd-toast{bottom:calc(126px + env(safe-area-inset-bottom))}}@media (max-width:620px){.student-feedback-screen{padding:34px 18px 100px}.student-feedback-form,.feedback-thanks{padding:20px}.rating-options{gap:5px}.rating-options button{min-height:62px}.student-feedback-actions{flex-direction:column;align-items:stretch}.student-feedback-actions button{width:100%}}.question-bank-list{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}.question-bank-list article{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:15px;padding:16px 18px;display:grid}.question-bank-list article.answered{background:linear-gradient(90deg,#e0efe57a,#0000 42%);box-shadow:inset 3px 0 #438064}.question-bank-list article+article{border-top:1px solid var(--line)}.question-bank-number{color:#64756f;border:1px solid #cbd3cc;border-radius:7px;place-items:center;width:31px;height:31px;font:500 9px/1 Georgia,serif;display:grid}.question-bank-copy{min-width:0}.question-bank-meta{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.question-bank-list small{color:#72837c;text-transform:uppercase;font-size:7px}.question-answered-badge{color:#286047;letter-spacing:.35px;text-transform:uppercase;background:#dfede4;border:1px solid #bfd4c6;border-radius:999px;align-items:center;gap:3px;padding:4px 7px;font-size:8px;font-weight:850;display:inline-flex}.question-bank-list h2{margin:5px 0 0;font:500 12px/1.45 Georgia,serif}.question-attempt-summary{color:#6c7c76;align-items:center;gap:4px;margin:7px 0 0;font-size:9px;display:flex}.question-attempt-summary strong{color:#244b3d;font-size:10px}.question-attempt-summary span{color:#a6afaa;margin:0 2px}.question-bank-actions{gap:6px;display:flex}.question-bank-actions button{background:var(--forest);border:1px solid var(--forest);color:#fff;cursor:pointer;border-radius:7px;padding:8px 9px;font-size:7px;font-weight:800}.question-bank-actions button+button{color:var(--forest);background:0 0}.question-bank-actions button.saved{color:#4b715f;cursor:default;background:#e2eee4;border-color:#bfd2c4}.formula-reference dd small{color:#6f827a;margin-top:3px;font-size:7px;display:block}.feedback-actions{justify-content:flex-end;align-items:center;gap:9px;margin-top:16px;display:flex}.feedback-actions>button{background:var(--forest);border:1px solid var(--forest);color:#fff;cursor:pointer;float:none;border-radius:7px;margin:0;padding:11px 14px;font-size:9px;font-weight:800}.feedback-actions>button span{margin-left:9px}.feedback-actions>.feedback-return{color:var(--forest);background:0 0}.feedback-actions>.feedback-previous{color:var(--forest);background:0 0;margin-right:auto}.performance-screen{max-width:1310px;min-height:100vh;margin:0 auto;padding:58px 48px 70px}.performance-header{max-width:780px}.performance-header h1{color:var(--ink);letter-spacing:-1.6px;margin:10px 0 13px;font:500 clamp(34px,4vw,53px)/1.03 Georgia,serif}.performance-header>p:last-child{color:#697873;max-width:720px;margin:0;font-size:14px;line-height:1.65}.performance-kpis{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:28px;display:grid}.performance-kpis article{background:var(--paper);border:1px solid var(--line);border-radius:14px;min-height:145px;padding:18px 20px;display:grid}.performance-kpis article>span{color:#667771;font-size:11px;font-weight:750}.performance-kpis article>strong{color:var(--forest);align-self:end;margin-top:18px;font:500 35px/1 Georgia,serif}.performance-kpis article>strong i{color:#9aa49f;font-size:18px;font-style:normal}.performance-kpis article>small{color:#8b9691;margin-top:7px;font-size:9px;line-height:1.4}.performance-main-grid{grid-template-columns:minmax(0,1.65fr) minmax(280px,.7fr);gap:15px;margin-top:15px;display:grid}.performance-topic-card,.performance-focus-card,.performance-activity-card,.performance-plan-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:22px 24px}.performance-section-heading{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.performance-section-heading h2,.performance-focus-card h2{color:var(--ink);letter-spacing:-.4px;margin:7px 0 0;font:500 23px/1.15 Georgia,serif}.performance-section-heading>small{color:#83908b;text-align:right;max-width:260px;font-size:9px;line-height:1.5}.performance-topic-list{grid-template-columns:1fr 1fr;margin-top:18px;display:grid}.performance-topic-list article{border-top:1px solid #e9ebe6;grid-template-columns:37px minmax(0,1fr) auto;align-items:center;gap:11px;min-width:0;padding:13px 9px 13px 0;display:grid}.performance-topic-list article:nth-child(2n){padding-left:16px}.performance-topic-symbol{border-radius:8px;place-items:center;width:37px;height:35px;font:700 10px/1 Georgia,serif;display:grid}.performance-topic-list article>div{min-width:0}.performance-topic-list article>div>strong,.performance-topic-list article>div>small{display:block}.performance-topic-list article>div>strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.performance-topic-list article>div>small{color:#8a9590;margin-top:4px;font-size:8px}.performance-topic-track{background:#e5e8e2;border-radius:99px;height:4px;margin-top:8px;overflow:hidden}.performance-topic-track span{border-radius:inherit;height:100%;display:block}.performance-topic-list article>p{text-align:right;min-width:53px;margin:0}.performance-topic-list article>p strong,.performance-topic-list article>p small{display:block}.performance-topic-list article>p strong{color:#385d4e;font:500 16px/1 Georgia,serif}.performance-topic-list article>p small{color:#7e8c87;text-transform:uppercase;margin-top:4px;font-size:7px}.performance-topic-list article>p.priority strong,.performance-topic-list article>p.priority small{color:#a0633f}.performance-focus-card{color:#fff;background:linear-gradient(155deg,#103e35,#082f2b);border-color:#16473d;position:relative;overflow:hidden}.performance-focus-card:after{content:"";border:1px solid #bbe5cd1a;border-radius:50%;width:270px;height:270px;position:absolute;top:-115px;right:-155px}.performance-focus-card .eyebrow{color:#9ab6aa;z-index:1;position:relative}.performance-focus-card h2{color:#fff;z-index:1;position:relative}.performance-focus-symbol{z-index:1;border-radius:11px;place-items:center;width:50px;height:48px;margin-top:28px;font:700 14px/1 Georgia,serif;display:grid;position:relative}.performance-focus-card h3{z-index:1;margin:13px 0 0;font:500 23px/1.22 Georgia,serif;position:relative}.performance-focus-card ul{z-index:1;border-top:1px solid #ffffff1a;border-bottom:1px solid #ffffff1a;gap:10px;margin:20px 0;padding:15px 0;list-style:none;display:grid;position:relative}.performance-focus-card li{color:#bed0c9;align-items:center;gap:8px;font-size:9px;line-height:1.4;display:flex}.performance-focus-card li span{border:1px solid #60877a;border-radius:50%;flex:0 0 20px;place-items:center;height:20px;display:grid}.performance-focus-card button{background:var(--mint);border:1px solid var(--mint);color:var(--forest);cursor:pointer;z-index:1;border-radius:8px;width:100%;padding:11px 13px;font-size:9px;font-weight:800;position:relative}.performance-focus-card button span{float:right}.performance-focus-card .performance-secondary-action{color:#dce8e3;background:0 0;border-color:#ffffff3d;margin-top:8px}.performance-lower-grid{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:15px;margin-top:15px;display:grid}.performance-activity-card .performance-section-heading>strong{color:var(--forest);text-align:right;font:500 24px/1 Georgia,serif}.performance-activity-card .performance-section-heading>strong small{color:#7f8c87;text-transform:uppercase;margin-top:5px;font:700 8px/1.3 system-ui,sans-serif;display:block}.performance-chart{justify-content:space-around;align-items:end;gap:10px;height:135px;margin-top:17px;display:flex}.performance-chart>div{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;height:100%;display:flex}.performance-chart>div>span{color:#83908c;height:12px;font-size:8px}.performance-chart>div>div{flex-direction:column-reverse;justify-content:flex-start;align-items:stretch;height:88px;display:flex}.performance-chart>div>div i{width:20px;display:block}.performance-chart .performance-question-bar{background:linear-gradient(#4a906d,#78ae91);border-radius:0 0 2px 2px}.performance-chart .performance-formula-bar{background:#c69a4b;border-radius:5px 5px 0 0}.performance-chart>div>small{color:#7e8c87;margin-top:7px;font-size:8px}.performance-activity-card footer{border-top:1px solid var(--line);align-items:center;gap:14px;margin-top:15px;padding-top:13px;display:flex}.performance-activity-card footer span{color:#75847f;align-items:center;gap:5px;font-size:8px;display:flex}.performance-activity-card footer i{border-radius:50%;width:6px;height:6px;display:block}.performance-activity-card footer i.questions{background:var(--forest)}.performance-activity-card footer i.formulas{background:#c69a4b}.performance-activity-card footer strong{color:#53665f;margin-left:auto;font-size:9px}.performance-plan-card>.eyebrow{margin-bottom:23px}.performance-plan-card>div:not(.performance-plan-track){justify-content:space-between;align-items:center;margin-top:18px;display:flex}.performance-plan-card>div span{color:#62736c;font-size:10px;font-weight:700}.performance-plan-card>div strong{color:var(--forest);font:500 20px/1 Georgia,serif}.performance-plan-track{background:#dfe4dd;border-radius:99px;height:8px;margin:10px 0 7px;overflow:hidden}.performance-plan-track span{border-radius:inherit;background:#55926e;height:100%;display:block}.performance-plan-track.expected{background:repeating-linear-gradient(90deg,#dfe3dc 0 7px,#f8f8f4 7px 10px)}.performance-plan-track.expected span{background:#cda250}.performance-plan-card>small{color:#89948f;font-size:8px}@media (max-width:1000px){.library-screen{padding-left:30px;padding-right:30px}.formula-detail-grid{grid-template-columns:1fr}.formula-detail-grid>section+section{border-left:0;border-top:1px solid var(--line)}.question-bank-toolbar label{min-width:280px}.performance-screen{padding-left:30px;padding-right:30px}.performance-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.performance-main-grid,.performance-lower-grid{grid-template-columns:1fr}}@media (max-width:760px){.language-switcher{top:13px;right:12px}.library-screen{padding:72px 18px 82px}.library-header h1{font-size:29px}.library-header>strong{display:none}.library-topic-tabs,.library-filters,.formula-detail-heading{grid-template-columns:1fr}.formula-detail-heading code,.formula-detail-notation{text-align:left}.question-bank-toolbar{flex-direction:column;align-items:stretch;gap:10px}.question-bank-toolbar label{min-width:0}.question-bank-toolbar>div{grid-template-columns:1fr 1fr;display:grid}.question-bank-list article{grid-template-columns:auto 1fr;align-items:start}.question-bank-actions{grid-column:1/3}.question-bank-actions button{flex:1}.performance-screen{padding:72px 18px 90px}.performance-header h1{font-size:34px}.performance-kpis{grid-template-columns:1fr 1fr}.performance-kpis article{min-height:128px;padding:15px}.performance-kpis article>strong{font-size:29px}.performance-topic-card,.performance-focus-card,.performance-activity-card,.performance-plan-card{padding:19px 17px}.performance-section-heading{display:block}.performance-section-heading>small{text-align:left;max-width:none;margin-top:8px;display:block}.performance-topic-list{grid-template-columns:1fr}.performance-topic-list article:nth-child(2n){padding-left:0}.performance-chart{gap:4px}.performance-chart>div>div i{width:14px}.deep-dive-concepts{grid-template-columns:1fr}.feedback-actions{flex-direction:column;align-items:stretch}.feedback-actions>button{width:100%}}.deep-dive-screen{max-width:860px;margin:0 auto;padding:8px 4px 60px}.dd-back{color:#6c7b77;cursor:pointer;letter-spacing:.2px;background:0 0;border:0;padding:6px 0;font-size:11px;font-weight:700}.dd-back:hover{color:var(--ink)}.dd-header{border-bottom:1px solid var(--line);margin:6px 0 26px;padding-bottom:22px}.dd-header .eyebrow{color:#8a7a3d;letter-spacing:1.4px;font-size:10px;font-weight:800}.dd-header h1{color:var(--ink);letter-spacing:-.5px;margin:10px 0 0;font:700 30px/1.15 Georgia,serif}.dd-tagline{color:#55655f;max-width:640px;margin:12px 0 0;font-size:14px;line-height:1.5}.dd-meta{color:#8b9692;letter-spacing:.5px;text-transform:uppercase;margin-top:14px;font-size:10px;font-weight:700;display:inline-block}.dd-body{color:var(--ink)}.dd-intro{margin-bottom:8px}.dd-section{margin-top:34px}.dd-section h2{color:var(--forest);letter-spacing:-.2px;margin:0 0 14px;font:600 20px/1.25 Georgia,serif}.dd-p{color:#33403c;margin:0 0 14px;font-size:14px;line-height:1.72}.dd-list{color:#33403c;margin:0 0 16px;padding-left:20px;font-size:14px;line-height:1.62}.dd-list li{margin-bottom:7px}.dd-keypoints{background:#f6f8f5;border:1px solid #dfe7e0;border-radius:12px;margin:6px 0 18px;padding:14px 18px 4px}.dd-keypoints>strong{color:#2f6a52;letter-spacing:.2px;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:800;display:block}.dd-keypoints .dd-list{margin-bottom:10px}.dd-formula{background:linear-gradient(#f0f5ef,#e7f0e8);border:1px solid #cfe0d3;border-radius:12px;margin:6px 0 18px;padding:16px 18px}.dd-formula code{color:var(--forest-deep);font:600 14px/1.55 SFMono-Regular,JetBrains Mono,ui-monospace,Menlo,monospace;display:block;overflow-x:auto}.dd-formula-notation{color:var(--forest-deep);font-variant-numeric:lining-nums;padding:2px 0;font:500 18px/1.5 Iowan Old Style,Palatino Linotype,Palatino,Times New Roman,serif;display:block;overflow-x:auto}.dd-formula-notation .formula-notation-visual{flex-direction:column;align-items:flex-start;gap:.7em}.dd-formula-notation .formula-expression+.formula-expression{border-left:0;margin-left:0;padding-left:0}.dd-formula-notation .formula-fraction{margin:0 .2em}.formula-label{color:#5c6d67;letter-spacing:.2px;white-space:nowrap;margin-right:.7em;font:600 12px/1.3 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.dd-formula figcaption{color:#5c6d67;margin-top:10px;font-size:12.5px;line-height:1.5}.dd-legend{color:#3f4f49;border-top:1px solid #2f6a5238;gap:9px;margin-top:12px;padding-top:11px;display:grid}.dd-legend p,.dd-legend ul{margin:0}.dd-legend-label{color:#2f6a52;letter-spacing:.6px;text-transform:uppercase;vertical-align:1px;background:#2f6a521f;border-radius:5px;margin-right:6px;padding:4px 6px;font:800 9.5px/1 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:inline-block}.dd-legend-block>.dd-legend-label{margin-bottom:6px}.dd-legend-list{gap:4px;padding:0;list-style:none;display:grid}.dd-legend-list li{padding-left:14px;position:relative}.dd-legend-list li:before{content:"";background:#2f6a52;border-radius:50%;width:4px;height:4px;position:absolute;top:.66em;left:3px}.dd-legend-list b{color:var(--forest-deep);font-family:Iowan Old Style,Palatino Linotype,Palatino,serif;font-size:1.04em;font-weight:700}.dd-legend-note{color:#5c6d67}.dd-legend-warn .dd-legend-label{color:#9a4f17;background:#ad5c1e24}.dd-callout{border-left:3px solid #cfd6d0;border-radius:0 10px 10px 0;margin:6px 0 18px;padding:13px 16px}.dd-callout strong{letter-spacing:.2px;margin-bottom:5px;font-size:12px;font-weight:800;display:block}.dd-callout p{margin:0;font-size:13px;line-height:1.6}.dd-callout.insight{border-left-color:var(--green);background:#eef6f0}.dd-callout.insight strong{color:#2f6a52}.dd-callout.tip{border-left-color:var(--amber);background:#fbf4e6}.dd-callout.tip strong{color:#98701f}.dd-callout.trap{border-left-color:var(--coral);background:#fbeee9}.dd-callout.trap strong{color:#b0503a}.dd-callout.trap p,.dd-callout.tip p,.dd-callout.insight p{color:#40504a}.dd-example{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin:6px 0 18px;padding:16px 18px}.dd-example>strong{color:var(--ink);margin-bottom:10px;font:600 13px/1.3 Georgia,serif;display:block}.dd-example ol{color:#3a4744;margin:0;padding-left:20px;font-size:13px;line-height:1.6}.dd-example ol li{margin-bottom:5px}.dd-answer{color:#2f6a52;background:#eef6f0;border-radius:8px;margin:12px 0 0;padding:10px 12px;font-size:13px;font-weight:600;line-height:1.55}.dd-table-wrap{margin:6px 0 18px;overflow-x:auto}.dd-table{border-collapse:collapse;width:100%;font-size:13px}.dd-table th{border:1px solid var(--line);color:var(--forest);text-align:left;background:#eef2ec;padding:9px 12px;font-weight:700}.dd-table td{border:1px solid var(--line);color:#3a4744;vertical-align:top;padding:9px 12px;line-height:1.5}.dd-table-caption{color:#6c7b77;margin:8px 2px 0;font-size:11.5px;line-height:1.5}.dd-checklist{background:var(--forest-deep);color:#eaf2ec;border-radius:14px;margin-top:40px;padding:22px 24px}.dd-checklist h2{color:#fff;margin:0 0 14px;font:600 17px/1.3 Georgia,serif}.dd-checklist ul{margin:0;padding:0;list-style:none}.dd-checklist li{color:#d3e2d6;margin-bottom:11px;padding-left:26px;font-size:13px;line-height:1.55;position:relative}.dd-checklist li:before{color:var(--mint);content:"✓";font-weight:800;position:absolute;top:-1px;left:0}.dd-empty{color:#7b8985;text-align:center;padding:60px 0;font-size:13px}.paid-module-status{text-align:center;justify-items:center;gap:14px;padding:28px 8px 8px;display:grid}.paid-module-status p{color:#41514c;max-width:440px;margin:0;line-height:1.5}a.module-primary{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.module-secondary.deep{background:var(--forest);border-color:var(--forest);color:#eaf2ec}.module-secondary.deep:hover{background:var(--forest-deep)}.module-secondary.deep span{color:var(--mint)}@media (max-width:640px){.dd-header h1{font-size:24px}.dd-tagline{font-size:13px}.deep-dive-screen{padding-bottom:40px}.formula-exercise-toolbar{grid-template-columns:1fr}.formula-exercise-toolbar>button{width:100%}.formula-session-summary{justify-content:flex-start}.formula-exercise-page-card{min-height:0;padding:22px 18px}.formula-exercise-heading{gap:10px}.formula-exercise-heading>small{text-align:center}.formula-exercise-page-card>h2{font-size:23px}.formula-exercise-page-card .formula-options button{min-height:58px}.formula-exercise-page-card .formula-option-notation{font-size:12px}.formula-exercise-page-card .formula-result{flex-direction:column;align-items:stretch;gap:12px}.formula-exercise-page-card .formula-result button{width:100%}}@media (max-width:1100px){.study-plan-progress-grid{grid-template-columns:1fr 1fr}.study-plan-progress-grid>aside{grid-column:1/3}.study-calendar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.study-plan-card{padding:21px 18px 23px}.study-plan-heading{display:block}.study-plan-heading h2{font-size:21px}.study-plan-deadline{align-items:flex-start;margin-top:16px}.study-plan-progress-grid{grid-template-columns:1fr}.study-plan-progress-grid>aside{grid-column:auto}.study-calendar-grid{grid-template-columns:1fr}.study-calendar-heading{align-items:flex-start;gap:12px}.study-calendar-heading>button{flex:none}}.module-score-chip{background:#eef4ef;border:1px solid #d3e2d7;border-radius:99px;align-items:baseline;gap:6px;margin-left:auto;margin-right:12px;padding:6px 12px;display:inline-flex}.module-score-chip strong{color:var(--forest);font:600 14px/1 Georgia,serif}.module-score-chip small{color:#5f716b;font-size:10px}.question-bank-stats{gap:10px;display:flex}.question-bank-stats>strong{background:var(--forest);color:#fff;text-align:center;border-radius:13px;min-width:92px;padding:14px;font:500 28px/1 Georgia,serif;display:grid}.question-bank-stats>strong small{color:#9fc2b4;text-transform:uppercase;margin-top:7px;font:800 8px/1.3 Arial,sans-serif}.question-bank-stats>strong.module-accuracy{color:var(--forest);background:#e6f0e7;border:1px solid #c7dbcc;min-width:130px}.question-bank-stats>strong.module-accuracy small{color:#52705f}@media (max-width:760px){.module-score-chip{margin:6px 0 0}.question-bank-stats{margin-top:14px}}.deep-dive-panel .formula-detail-card,.deep-dive-formulas>*{min-width:0}.deep-dive-panel .formula-detail-heading{grid-template-columns:minmax(0,1fr);gap:12px}.deep-dive-panel .formula-detail-notation{text-align:left;max-width:100%;overflow-x:auto}.deep-dive-panel .formula-detail-notation .formula-notation-visual{flex-wrap:wrap}.deep-dive-panel .formula-detail-grid{grid-template-columns:minmax(0,1fr)}.deep-dive-panel .formula-detail-grid>section+section{border-left:0;border-top:1px solid var(--line)}.deep-dive-panel .formula-detail-grid dl>div{grid-template-columns:minmax(44px,auto) minmax(0,1fr)}.deep-dive-panel .formula-detail-grid dd span{font-size:12px}.deep-dive-panel .formula-detail-grid dd b{font-size:9px}.module-detail-panel,.formula-library-list article,.summary-reference-grid article{min-width:0}.method-panel{background:#f2f5ef;border:1px solid #dbe3d9;border-radius:10px;gap:7px;margin:4px 0 16px;padding:14px 16px;display:grid}.method-panel p{color:#53655f;margin:0;font-size:12px;line-height:1.5}.method-panel strong{color:var(--forest)}.formula-session-summary{align-items:center}.formula-session-summary span{font-size:10px}.formula-session-summary strong{font-size:12px}.formula-score-reset{color:#5f716b;cursor:pointer;background:0 0;border:1px solid #d3dad3;border-radius:99px;padding:5px 10px;font-size:10px}.formula-score-reset:hover:not(:disabled){color:var(--forest);border-color:#9fb9a9}.formula-score-reset:disabled{cursor:default;opacity:.45}.onboarding-top-right{justify-self:end;align-items:center;gap:14px;display:flex}.onboarding-language{align-items:center;gap:7px;display:flex}.onboarding-language span{color:#7c8985;font-size:11px;font-weight:700}.onboarding-language select{background:var(--paper);color:var(--forest);cursor:pointer;border:1px solid #d9ddd6;border-radius:8px;padding:6px 8px;font-size:13px}.onboarding-text{font-size:15px}.onboarding-textarea{font:inherit;resize:vertical;min-height:84px;padding:10px 12px;font-size:14px;line-height:1.5}.onboarding-step,.onboarding-time,.welcome-kicker{font-size:12px}.onboarding-welcome h1,.onboarding-summary h1{font-size:52px}.question-step h1{font-size:40px}.onboarding-welcome>p,.onboarding-summary>p,.step-description{max-width:640px;font-size:17px}.welcome-points{grid-template-columns:repeat(5,1fr)}.welcome-points span{font-size:13px}.welcome-points i{width:32px;height:32px;font-size:15px}.onboarding-primary{padding:16px 22px;font-size:14px}.onboarding-welcome>small{font-size:12px}.field-label strong{font-size:14px}.field-label small{font-size:12px}.onboarding-date{font-size:14px}.choice-grid button,.segmented button{font-size:13px}.study-style-list strong{font-size:16px}.study-style-list small,.confidence-friendly strong{font-size:12px}.confidence-friendly small{font-size:11px}.topic-choices button{padding:9px 13px;font-size:12px}.onboarding-actions>button:first-child{font-size:13px}.onboarding-footnote{font-size:12px}.summary-grid small{font-size:11px}.summary-grid strong{font-size:15px}@media (max-width:760px){.onboarding-topbar{grid-template-columns:1fr auto;row-gap:10px}.onboarding-top-right{grid-column:1/-1;justify-self:start}.onboarding-welcome h1,.onboarding-summary h1{font-size:36px}.question-step h1{font-size:30px}.welcome-points{grid-template-columns:repeat(2,1fr)}}.notes-screen{flex-direction:column;gap:18px;max-width:900px;min-height:calc(100vh - 64px);margin:0 auto;padding:54px 30px 90px;display:flex}.notes-header{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.notes-header>div{max-width:620px}.notes-header h1{color:#173a30;letter-spacing:-.04em;margin:8px 0 10px;font:500 clamp(30px,4.5vw,46px)/1.05 Georgia,serif}.notes-header>div>p:last-child{color:#66756f;font-size:13px;line-height:1.6}.notes-status{color:#7a8781;text-align:right;white-space:nowrap;flex:none;padding-top:6px;font-size:10px;font-weight:700}.notes-status.saved{color:#2f775e}.notes-status.error{color:#b1573f;white-space:normal}.notes-textarea{color:#243d35;resize:vertical;background:#fff;border:1px solid #dce3dc;border-radius:16px;outline:none;flex:1;width:100%;min-height:420px;padding:26px 28px;font:400 15px/1.7 Georgia,serif;box-shadow:0 18px 50px #163c300f}.notes-textarea:focus{border-color:#397b61;box-shadow:0 0 0 3px #397b611f}.notes-textarea::placeholder{color:#9aa49f}.notes-footer{color:#8b9691;text-align:right;font-size:10px}.notes-search{background:var(--paper);border:1px solid var(--line);border-radius:12px;align-items:center;gap:10px;padding:10px 14px;display:flex}.notes-search>span{color:#7a8781;font-size:18px}.notes-search input{color:var(--ink,#1f2f2b);font:inherit;background:0 0;border:0;outline:none;flex:1;font-size:14px}.notes-search small{color:#6d7b76;white-space:nowrap;font-size:11px;font-weight:700}.notes-section{flex-direction:column;gap:12px;display:flex}.notes-section-head h2{color:var(--forest-deep);margin:10px 0 2px;font:500 22px/1.2 Georgia,serif}.notes-section-head p{color:#6d7b76;margin:0;font-size:12.5px}.notes-topic{flex-direction:column;gap:10px;display:flex}.notes-topic h3{color:#5b6d67;letter-spacing:.8px;text-transform:uppercase;margin:8px 0 0;font-size:11px;font-weight:800}.notes-muted{color:#6d7b76;font-size:13px;line-height:1.6}.notes-empty-entries{background:var(--paper);border:1px dashed var(--line);border-radius:12px;padding:16px 18px}.note-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.note-card header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.note-card header strong{color:var(--forest-deep);font-size:13.5px;line-height:1.45;display:block}.note-card header small{color:#7a8781;font-size:11px}.note-card header button{border:1px solid var(--line);color:var(--forest);cursor:pointer;background:0 0;border-radius:8px;flex:none;padding:5px 10px;font-size:11.5px;font-weight:700}.note-editor{background:#fff;border:1px solid #dce3dc;border-radius:14px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 12px 34px #163c300d}.note-editor:focus-within{border-color:#397b61;box-shadow:0 0 0 3px #397b611f}.note-toolbar{background:#f6f8f4;border-bottom:1px solid #e3e8e1;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 8px;display:flex}.note-toolbar button{color:#3a524a;cursor:pointer;background:0 0;border:0;border-radius:7px;min-width:30px;padding:5px 8px;font-size:13px}.note-toolbar button:hover:not(:disabled){background:#e5ece4}.note-toolbar button:disabled{cursor:default;opacity:.35}.note-toolbar-spacer{flex:1}.note-toolbar .note-mode{border:1px solid #d6ded5;margin-left:6px;font-size:11.5px;font-weight:700}.note-status{color:#7a8781;padding:0 6px;font-size:10.5px;font-weight:700}.note-status.saved{color:#2f775e}.note-status.error{color:#b1573f}.note-textarea{color:#243d35;resize:vertical;background:0 0;border:0;outline:none;width:100%;padding:16px 18px;font:400 15px/1.7 Georgia,serif}.note-textarea::placeholder,.note-empty{color:#9aa49f}.note-hint{color:#98a39e;border-top:1px solid #eef1ec;margin:0;padding:6px 12px;font:10.5px/1.4 SFMono-Regular,ui-monospace,Menlo,monospace}.note-rendered{color:#243d35;padding:14px 18px;font:400 15px/1.7 Georgia,serif}.note-rendered.compact{padding:0;font-size:14px}.note-rendered>:first-child{margin-top:0}.note-rendered>:last-child{margin-bottom:0}.note-rendered p{margin:0 0 .8em}.note-rendered h3{color:var(--forest-deep);margin:1em 0 .4em;font:600 19px/1.3 Georgia,serif}.note-rendered h4{color:var(--forest-deep);letter-spacing:.2px;margin:1em 0 .3em;font:700 14px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.note-rendered ul,.note-rendered ol{margin:0 0 .8em;padding-left:1.4em}.note-rendered li{margin:.2em 0}.note-rendered strong{color:#11332c;font-weight:700}.note-rendered blockquote{background:#fbf6e6;border-left:3px solid #d1a14b;border-radius:0 8px 8px 0;margin:0 0 .8em;padding:8px 12px}.context-note{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin:14px 0;overflow:hidden}.context-note-toggle{color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:12px;width:100%;padding:12px 14px;display:flex}.context-note-toggle>span:first-child{color:var(--forest);background:#e8efe6;border-radius:8px;flex:0 0 30px;justify-content:center;align-items:center;height:30px;font-size:15px;display:inline-flex}.context-note-toggle>span:nth-child(2){flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.context-note-toggle strong{color:var(--forest-deep);font-size:13px}.context-note-toggle small{color:#7a8781;text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.context-note-toggle em{color:var(--forest);font-size:11px;font-style:normal;font-weight:700}.context-note-body{padding:0 14px 12px}.context-note-hint{color:#8b9691;margin:8px 2px 0;font-size:10.5px}.dd-note{margin-top:28px}::highlight(qp-deep-dive){color:inherit;background-color:#fde68a}.dd-selection-toolbar{z-index:80;background:#173e3b;border-radius:10px;gap:2px;padding:4px;display:flex;position:fixed;transform:translate(-50%);box-shadow:0 10px 28px #0e2e2d47}.dd-selection-toolbar:after{content:"";border:6px solid #0000;border-top-color:#173e3b;position:absolute;top:100%;left:50%;transform:translate(-50%)}.dd-selection-toolbar button{color:#fff;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:7px;align-items:center;gap:7px;padding:7px 11px;font-size:12.5px;font-weight:700;display:inline-flex}.dd-selection-toolbar button:hover{background:#ffffff1f}.dd-swatch{background:#fde68a;border-radius:3px;width:12px;height:12px;display:inline-block}.dd-swatch.off{background:linear-gradient(135deg,#fde68a 45%,#fff 45% 55%,#fde68a 55%)}@media (max-width:620px){.notes-screen{padding:34px 18px 100px}.notes-header{flex-direction:column}.notes-status{text-align:left}.notes-textarea{min-height:320px;padding:18px}}.level-switch{border:1px solid var(--line);z-index:61;background:#fffefaf7;border-radius:10px;align-items:center;gap:2px;padding:3px;display:flex;position:fixed;top:14px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0d2b2e14}.level-switch button{color:#5f716d;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 14px;font-size:10px;font-weight:800}.level-switch button:hover{background:#eef1ec}.level-switch button.active{background:var(--forest);color:#fff}.l2-vignette-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:34px;display:grid}.l2-case{background:var(--paper);border:1px solid var(--line);border-radius:12px;max-height:calc(100vh - 110px);padding:24px;position:sticky;top:24px;overflow:auto}.l2-case h2{margin:8px 0 14px;font:500 20px/1.35 Georgia,serif}.l2-case-text{color:#33423f;white-space:pre-wrap;font-size:14px;line-height:1.7}.l2-prompt{letter-spacing:-.2px;margin:18px 0 22px;font:500 21px/1.45 Georgia,serif}.l2-prompt em{font-style:italic}.l2-result{text-align:center;max-width:520px;margin:40px auto}.l2-result h1{margin:8px 0 6px;font:500 30px/1.2 Georgia,serif}.l2-result-module{color:#61726e;margin:0 0 22px;font-size:13px}.l2-result-score{background:var(--paper);border:1px solid var(--line);border-radius:12px;gap:4px;margin-bottom:22px;padding:22px;display:grid}.l2-result-score strong{font:500 40px/1 Georgia,serif}.l2-result-score span{color:#61726e;font-size:12px}.l2-result-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.l2-filters{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 18px;display:flex}.l2-filters select,.l2-filters input{background:var(--paper);color:var(--forest);border:1px solid #d7ddd6;border-radius:8px;padding:9px 11px;font-size:12px}.l2-filters input{flex:220px;min-width:0}.l2-empty{color:#61726e;margin:30px 0;font-size:13px}.l2-formula-list article{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:8px 16px;display:grid}.l2-formula-list article>.l2-formula-detail{border-top:1px solid var(--line);grid-column:1/-1;padding-top:10px}.l2-formula-detail p{color:#45564f;margin:0 0 8px;font-size:13px;line-height:1.6}.l2-formula-detail dl{grid-template-columns:auto 1fr;gap:4px 12px;margin:0;display:grid}.l2-formula-detail dt{font-family:Georgia,serif;font-weight:700}.l2-formula-detail dd{color:#536465;margin:0;font-size:12px}.l2-link-button{color:var(--forest);cursor:pointer;background:0 0;border:0;justify-self:end;padding:0;font-size:10px;font-weight:800;text-decoration:underline}.l2-exercise{max-width:720px}.l2-topic-bar{background:#e6e9e3;border-radius:99px;height:4px;margin-top:7px;display:block;overflow:hidden}.l2-topic-bar i{height:100%;display:block}.l2-overview-actions{margin-top:22px}@media (max-width:1000px){.l2-vignette-layout{grid-template-columns:1fr}.l2-case{max-height:none;position:static}}@media (max-width:760px){.level-switch{top:13px}.level-switch button{padding:7px 12px}.level-switch .lv-long{display:none}}.l2-theme{--ink:#0f2140;--forest:#16305f;--forest-deep:#0c2147;--green:#3f78c0;--mint:#b9d2f3;--cream:#f1f4f9;--paper:#fdfeff;--line:#dbe1ea;background:var(--cream)}.l2-theme .brand small,.l2-theme .exam-card-top,.l2-theme .exam-card small{color:#6f7f99}.l2-theme .nav-item:hover{background:#edf1f8}.l2-theme .nav-item.active{background:#e2eaf7}.l2-theme .exam-card{background:#edf1f8;border-color:#dbe2ee}.l2-theme .exam-track{background:#d5deec}.l2-theme .study-topic-card:hover{border-color:#a9bbd8}.l2-theme .study-topic-card.active{border-color:#6b8ec0;box-shadow:0 8px 25px #14294f17,inset 0 0 0 1px #6b8ec0}.l2-theme .module-row.active{background:#e4ecf8;border-color:#c2d2ea}.l2-theme .module-status.ready{color:#2d5a96;background:#dbe6f6}.l2-theme .module-completion-toggle.completed{background:#e5edf9;border-color:#a4bbdd}.l2-theme .summary-key-points li>span{color:#45608b}.l2-theme .option:hover{border-color:#8ea8cc}.l2-theme .option.selected{background:#edf2fb}.l2-theme .confidence button.active{background:#e0e9f7;border-color:#89a5cf}.l2-theme .l2-topic-bar{background:#dfe6f1}.l2-theme .module-secondary,.l2-theme .module-secondary:hover{border-color:#ccd7e8}.l2-theme .module-secondary{background:#eef2f9}.l2-theme .module-secondary:hover{background:#e2eaf6}.l2-theme .toast{background:#0f2140}.level-switch[data-level=l2] button.active{background:#16305f}.l2-theme .eyebrow,.l2-theme .summary-guidance .eyebrow{color:#3f6299}.l2-theme .summary-guidance .traps .eyebrow{color:#916f3d}.l2-theme .module-detail-top span,.l2-theme .study-topic-meta b,.l2-theme .show-formulas{color:#35568a}.l2-theme .question-meta span{color:#3b5b91;background:#e3eaf6}.l2-theme .module-completion-toggle{background:#f4f6fa;border-color:#d9e0ec}.l2-theme .module-completion-toggle:hover{border-color:#97aed0}.l2-theme .module-completion-toggle>i{border-color:#b7c4da}.l2-theme .summary-guidance article{background:#eaf0f9;border-color:#d0dcee}.l2-theme .summary-guidance article.traps{background:#f5eee6;border-color:#ead9c5}.l2-theme .summary-guidance li:before{color:#3f6cad}.l2-theme .summary-guidance .traps li:before{color:#a57a43}.l2-continue-card{justify-content:space-between;align-items:center;gap:20px;margin:0 0 22px;display:flex}.l2-continue-card h3{margin:6px 0 4px;font:500 18px/1.3 Georgia,serif}.l2-continue-card p{color:#61726e;margin:0;font-size:13px}.l2-topic-row{cursor:pointer;font:inherit;text-align:left;background:0 0;border:0;width:100%}.l2-exam-select{background:var(--paper);color:var(--forest);border:1px solid #d7ddd6;border-radius:8px;width:100%;margin-top:10px;padding:7px 8px;font-size:11px}@media (max-width:760px){.l2-continue-card{flex-direction:column;align-items:stretch}}.formula-sub,.formula-sup{font-size:.7em;font-style:normal;line-height:0}.formula-sub{vertical-align:sub}.formula-sup{vertical-align:super}.formula-scripts{vertical-align:middle;flex-direction:column;margin-left:.04em;font-size:.7em;line-height:1.05;display:inline-flex}.formula-scripts>.formula-sup,.formula-scripts>.formula-sub{vertical-align:baseline;font-size:1em;line-height:1.05}.formula-bigop{vertical-align:middle;flex-direction:column;align-items:center;margin:0 .18em 0 .05em;line-height:1;display:inline-flex}.formula-bigop-symbol{font-size:1.45em;line-height:1}.formula-bigop-over,.formula-bigop-under{white-space:nowrap;font-size:.72em;line-height:1.15}.l2-sign-convention{border-top:1px dashed var(--line);padding-top:10px;margin-top:10px!important}.formula-detail-grid dd.l2-variable span{grid-template-columns:1fr;font-size:9px}.l2-theme .module-actions .module-secondary.deep{background:var(--forest);border-color:var(--forest);color:#eaf1fb}.l2-theme .module-actions .module-secondary.deep:hover{background:var(--forest-deep)}.l2-theme .module-actions .module-secondary.deep span{color:var(--mint)}.l2-plan-editor{flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 16px;padding:14px 18px;display:flex}.l2-plan-editor label{color:#61726e;align-items:center;gap:10px;font-size:12px;font-weight:700;display:flex}.l2-plan-editor input{background:var(--paper);color:var(--forest);border:1px solid #d7ddd6;border-radius:8px;padding:8px 10px;font-size:13px}.note-table-wrap{max-width:100%;margin:0 0 .9em;overflow-x:auto}.note-table{border-collapse:collapse;min-width:50%;font-size:.92em}.note-table th,.note-table td{text-align:left;vertical-align:top;border:1px solid #cfd8d1;padding:6px 10px}.note-table th{color:#173e3b;background:#eaf1ec;font-weight:700}.note-formula{text-align:center;background:#f4f7f4;border:1px solid #dfe7e0;border-radius:10px;margin:0 0 .9em;padding:12px 16px;overflow-x:auto}.note-figure{text-align:center;margin:0 0 .9em}.note-figure img{border:1px solid #dfe7e0;border-radius:8px;max-width:100%;height:auto}.note-figure figcaption{color:#6d7b76;margin-top:4px;font-size:12px}.nb{grid-template-columns:250px minmax(0,1fr);align-items:flex-start;gap:18px;display:grid}.nb-side{background:var(--paper);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:10px;max-height:78vh;padding:12px;display:flex;position:sticky;top:12px;overflow-y:auto}.nb-new{color:#fff;cursor:pointer;background:#173e3b;border:0;border-radius:9px;padding:10px 12px;font-size:13px;font-weight:700}.nb-new:hover{background:#1f524e}.nb-group h3{color:#5b6d67;letter-spacing:.8px;text-transform:uppercase;justify-content:space-between;align-items:center;margin:6px 0 4px;font-size:10.5px;font-weight:800;display:flex}.nb-group h3 small{background:#eef1ef;border-radius:999px;padding:1px 7px}.nb-item{color:#2a4a44;cursor:pointer;text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:0;border-radius:8px;width:100%;padding:7px 9px;font-size:13px;display:block;overflow:hidden}.nb-item:hover{background:#eef3ef}.nb-item.active{color:#11332c;background:#dcebe6;font-weight:700}.nb-all{border-top:1px solid var(--line);flex-direction:column;gap:6px;padding-top:10px;display:flex}.nb-all small{color:#7a8781;font-size:11px;line-height:1.4}.nb-all div,.nb-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nb-all button,.nb-actions button{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#f1f5f4;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700}.nb-all button:hover,.nb-actions button:hover{background:#e3f0ee}.nb-actions button.danger{color:#8f3a27;background:#fbe9e4;border-color:#e5b4a8}.nb-actions>span:first-child{color:#6d7b76;font-size:12px;font-weight:700}.nb-spacer{flex:1}.nb-main{flex-direction:column;gap:12px;min-width:0;display:flex}.nb-message{color:#2f775e;margin:0;font-size:12.5px;font-weight:700}.nb-editor{flex-direction:column;gap:10px;display:flex}.nb-title{border:0;border-bottom:1px solid var(--line);color:#173a30;background:0 0;outline:none;width:100%;padding:6px 2px;font:500 28px/1.2 Georgia,serif}.nb-title:focus{border-bottom-color:#397b61}.nb-folder{color:#6d7b76;align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}.nb-folder input{border:1px solid var(--line);font:inherit;background:#fff;border-radius:8px;flex:1;padding:6px 10px;font-weight:400}.nb-print{display:none}@media (max-width:760px){.nb{grid-template-columns:1fr}.nb-side{max-height:40vh;position:static}}@media print{body.nb-printing>:not(.nb-print){display:none!important}body.nb-printing .nb-print,body.nb-printing .nb-print *{visibility:visible!important}body.nb-printing .nb-print{color:#111;padding:0;font:12pt/1.5 Georgia,serif;display:block!important}body.nb-printing .nb-print-page{break-after:page}body.nb-printing .nb-print-page:last-child{break-after:auto}body.nb-printing .nb-print-folder{color:#2f775e;letter-spacing:.08em;text-transform:uppercase;margin:0 0 4pt;font:700 9pt/1 sans-serif}body.nb-printing .nb-print h2{color:#173e3b;margin:0 0 10pt;font:700 20pt/1.2 Georgia,serif}body.nb-printing .note-table,body.nb-printing .note-figure,body.nb-printing .note-formula{break-inside:avoid}body.nb-printing .note-figure img{max-height:22cm}}.note-picker{background:#fff;border-bottom:1px solid #e3e8e1;max-height:260px;padding:8px 10px;overflow-y:auto}.note-picker-head{gap:6px;margin-bottom:6px;display:flex}.note-picker-head input{font:inherit;border:1px solid #d6ded5;border-radius:8px;flex:1;padding:6px 10px;font-size:13px}.note-picker-head button{cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:18px}.note-picker p{color:#6d7b76;margin:6px 2px;font-size:12.5px}.note-picker ul{margin:0;padding:0;list-style:none}.note-picker li button{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;flex-direction:column;gap:2px;width:100%;padding:7px 8px;display:flex}.note-picker li button:hover{background:#eef3ef}.note-picker li button>span{color:#11332c;word-break:break-word;font-size:13px;font-weight:600}.note-picker code{color:#11332c;white-space:normal;word-break:break-word;font-size:12.5px}.note-picker small{color:#7a8781;font-size:11px}.ink-pad{border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden}.ink-tools{border-bottom:1px solid var(--line);background:#f4f7f5;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 8px;display:flex}.ink-tools button{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#fff;border-radius:999px;min-height:32px;padding:4px 11px;font-size:12px;font-weight:700}.ink-tools button.on{background:#dcebe6;border-color:#7fb3a2}.ink-tools button:disabled{cursor:default;opacity:.45}.ink-tools .ink-color{border-radius:50%;width:26px;height:26px;min-height:26px;padding:0}.ink-tools .ink-color.on{box-shadow:0 0 0 2px #fff,0 0 0 4px #397b61}.ink-sep{background:var(--line);width:1px;height:20px;margin:0 2px}.ink-surface{background:repeating-linear-gradient(#0000 0 31px,#e6ece8 31px 32px);position:relative}.ink-canvas{-webkit-touch-callout:none;cursor:crosshair;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;display:block}.ink-hint{color:#9aa7a1;pointer-events:none;font-size:13px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.ink-view{border:1px solid var(--line);background:#fff;border-radius:10px;width:100%;max-height:150px;display:block}.ft-stats{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:14px 0;display:grid}.ft-stats div{border:1px solid var(--line);background:#f4f7f5;border-radius:12px;padding:10px 12px}.ft-stats strong{color:#173e3b;font:700 24px/1.1 Georgia,serif;display:block}.ft-stats span{color:#6d7b76;font-size:12px}.ft-controls{flex-wrap:wrap;gap:12px;margin-bottom:12px;display:flex}.ft-controls label{color:#6d7b76;flex-direction:column;gap:4px;font-size:12px;font-weight:700;display:flex}.ft-controls select{border:1px solid var(--line);color:#173e3b;font:inherit;background:#fff;border-radius:8px;min-height:36px;padding:4px 8px;font-size:14px}.ft-actions{flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0;display:flex}.ft-actions button,.ft-mode button,.ft-chips button{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#fff;border-radius:999px;min-height:38px;padding:6px 16px;font-size:13px;font-weight:700}.ft-actions button:disabled{cursor:default;opacity:.45}.ft-actions .ft-primary{color:#fff;background:#173e3b;border-color:#173e3b}.ft-actions .ft-primary:disabled{background:#173e3b}.ft button.quiet{color:#6d7b76;background:0 0;border-color:#0000;text-decoration:underline}.ft-patterns{border-top:1px solid var(--line);margin-top:16px;padding-top:12px}.ft-patterns h3{color:#173e3b;margin:0 0 8px;font-size:15px}.ft-tags{flex-wrap:wrap;gap:8px;margin:0 0 8px;padding:0;list-style:none;display:flex}.ft-tags li{background:#fbf3dd;border:1px solid #ecd9a0;border-radius:999px;padding:4px 12px;font-size:12.5px}.ft-tags li span{color:#8a6a00}.ft-pair{margin:4px 0;font-size:13px}.ft-progress{align-items:center;gap:12px;margin-bottom:12px;display:flex}.ft-progress>span{color:#6d7b76;white-space:nowrap;font-size:12px;font-weight:700}.ft-bar{background:#e3ebe7;border-radius:999px;flex:1;height:6px;overflow:hidden}.ft-bar i{background:#397b61;height:100%;display:block}.ft-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px}.ft-where{color:#2f775e;letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;font:700 11px/1.2 sans-serif}.ft-card h3{color:#173a30;margin:0 0 10px;font:500 24px/1.25 Georgia,serif}.ft-card h4{color:#6d7b76;letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;font:700 11px/1.2 sans-serif}.ft-lapses{color:#b3261e;margin:-6px 0 8px;font-size:14px}.ft-prompt{color:#4b5a55;margin:10px 0 8px;font-size:14px;font-weight:700}.ft-mode{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.ft-mode button{min-height:34px;padding:4px 14px}.ft-mode button.on,.ft-chips button.on{background:#dcebe6;border-color:#7fb3a2}.ft-symbols{background:#f4f7f5;border-radius:10px;margin:0 0 10px;padding:8px 12px;font-size:13px}.ft-text{border:1px solid var(--line);resize:vertical;background:#fff;border-radius:12px;width:100%;padding:10px 12px;font:15px/1.5 ui-monospace,Menlo,monospace}.ft-compare{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:10px 0;display:grid}.ft-compare figure{margin:0}.ft-typed{white-space:pre-wrap;word-break:break-word;background:#f4f7f5;border-radius:10px;margin:0;padding:10px 12px;font:14px/1.5 ui-monospace,Menlo,monospace}.ft-grades{grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 4px;display:grid}.ft-grade{border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;flex-direction:column;gap:2px;min-height:60px;padding:10px 6px;display:flex}.ft-grade strong{font-size:16px}.ft-grade small{color:#6d7b76;font-size:11.5px}.ft-grade.again{border-color:#e5b4a8}.ft-grade.again strong{color:#8f3a27}.ft-grade.hard{border-color:#e6c75a}.ft-grade.hard strong{color:#8a6a00}.ft-grade.good{border-color:#8cc4a8}.ft-grade.good strong{color:#1f6b4a}.ft-chips{flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0;display:flex}.ft-chips-label{color:#6d7b76;font-size:12px;font-weight:700}.ft-link{margin-top:6px}.ft-done{padding:20px 4px}.ft-done h2{color:#173a30;font:500 26px/1.2 Georgia,serif}.fn-train{color:#fff;cursor:pointer;background:#173e3b;border:0;border-radius:999px;min-height:38px;padding:6px 16px;font-size:13px;font-weight:700}.dd-saveall{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#fff;border-radius:999px;margin-top:10px;padding:6px 14px;font-size:12.5px;font-weight:700}.dd-saveall:disabled{cursor:default;opacity:.6}@media (max-width:560px){.ft-grades{grid-template-columns:1fr}}.qn-fab{color:#173e3b;cursor:pointer;z-index:69;background:#fff;border:2px solid #173e3b;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex;position:fixed;bottom:74px;right:18px;box-shadow:0 8px 22px #0e2e2d47}.qn-fab:hover{background:#eef5f2}.qn-panel{border:1px solid var(--line);z-index:90;background:#fff;border-radius:16px;flex-direction:column;gap:8px;width:min(400px,100vw - 36px);max-height:calc(100vh - 100px);padding:14px;display:flex;position:fixed;bottom:74px;right:18px;overflow-y:auto;box-shadow:0 18px 48px #0e2e2d4d}.qn-head{justify-content:space-between;align-items:center;display:flex}.qn-head strong{color:#173a30;font:700 16px/1.2 Georgia,serif}.qn-close{cursor:pointer;background:0 0;border:0;padding:2px 8px;font-size:22px;line-height:1}.qn-where{color:#2d4a44;background:#f4f7f5;border-radius:10px;margin:0;padding:8px 10px;font-size:12.5px;line-height:1.45}.qn-where span{color:#6d7b76;font-weight:700}.qn-quote{background:#fff8db;border-left:3px solid #e6c75a;border-radius:0 8px 8px 0;max-height:120px;margin:0;padding:8px 28px 8px 10px;font-size:13px;line-height:1.5;position:relative;overflow-y:auto}.qn-quote small{color:#8a6a00;letter-spacing:.05em;text-transform:uppercase;margin-bottom:2px;font-size:10.5px;font-weight:700;display:block}.qn-quote button{cursor:pointer;background:0 0;border:0;font-size:18px;position:absolute;top:4px;right:4px}.qn-text{border:1px solid var(--line);resize:vertical;border-radius:12px;width:100%;min-height:120px;padding:10px 12px;font-family:inherit;font-size:15px;line-height:1.5}.qn-text:focus{border-color:#397b61;outline:none}.qn-error{color:#8f3a27;margin:0;font-size:12.5px;font-weight:700}.qn-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.qn-actions button{border:1px solid var(--line);color:#173e3b;cursor:pointer;background:#fff;border-radius:999px;min-height:38px;padding:6px 16px;font-size:13px;font-weight:700}.qn-actions .qn-save{color:#fff;background:#173e3b;border-color:#173e3b}.qn-actions .qn-save:disabled{cursor:default;opacity:.5}.qn-actions small{color:#7a8781;margin-left:auto;font-size:11px}.qn-toast{color:#fff;z-index:91;background:#173e3b;border-radius:14px;flex-wrap:wrap;align-items:center;gap:10px;max-width:min(380px,100vw - 36px);padding:10px 14px;font-size:13px;display:flex;position:fixed;bottom:132px;right:18px;box-shadow:0 10px 28px #0e2e2d4d}.qn-toast button{color:#173e3b;cursor:pointer;background:#fff;border:0;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700}@media (max-width:760px){.qn-fab{bottom:calc(132px + env(safe-area-inset-bottom));right:12px}.qn-panel{max-height:82vh;padding-bottom:calc(14px + env(safe-area-inset-bottom));border-radius:16px 16px 0 0;width:auto;bottom:0;left:0;right:0}.qn-toast{bottom:calc(190px + env(safe-area-inset-bottom));right:12px}}@media print{.qn-fab,.qn-panel,.qn-toast{display:none!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}