/*! 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-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}::backdrop{--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}}}@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-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{.visible{visibility:visible}.absolute{position:absolute}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.hidden{display:none}.table{display:table}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.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,)}}:root{--ink:#17233b;--muted:#697386;--paper:#f7f4ed;--white:#fff;--purple:#6558f5;--purple-dark:#4b3fd5;--mint:#c7f2df;--line:#e5e1d9;--mode-color:#6558f5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font-geist-sans), Arial, sans-serif;margin:0}button,a{font:inherit}button{color:inherit}:is(button:focus-visible,a:focus-visible){outline-offset:3px;outline:3px solid #f5b943}.app-shell{min-height:100vh}.side-nav{border-right:1px solid var(--line);z-index:20;background:#fff;flex-direction:column;width:234px;padding:28px 20px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand{color:var(--ink);letter-spacing:-.7px;align-items:center;gap:10px;padding:0 8px 30px;font-size:18px;font-weight:780;text-decoration:none;display:flex}.brand>span:last-child span{color:var(--purple)}.brand-mark{background:var(--purple);color:#fff;letter-spacing:-2px;border-radius:11px 11px 11px 3px;place-items:center;width:36px;height:36px;font-weight:850;display:inline-grid;transform:rotate(-3deg)}.side-nav nav{gap:7px;display:grid}.nav-item{-webkit-appearance:none;appearance:none;color:#6e7685;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:12px;align-items:center;gap:13px;min-height:48px;padding:0 13px;font-weight:650;text-decoration:none;display:flex}.nav-item span{text-align:center;width:23px;font-size:21px}.nav-item:hover{color:var(--purple);background:#f4f2ff}.nav-item.active{color:var(--purple);background:#eeecff}.side-tip{color:#fff;background:#17233b;border-radius:18px 18px 18px 5px;margin-top:auto;padding:18px;position:relative;overflow:hidden}.side-tip:after{content:"";background:#2d3c59;border-radius:50%;width:75px;height:75px;position:absolute;top:-25px;right:-28px}.tip-spark{color:#f8c955;margin-bottom:16px;font-size:22px;display:block}.side-tip strong{font-size:14px}.side-tip p{color:#c8cfda;margin:7px 0 13px;font-size:11px;line-height:1.4}.side-tip button{color:#93e6bf;cursor:pointer;background:0 0;border:0;padding:0;font-size:11px;font-weight:800}.profile-mini{align-items:center;gap:10px;margin-top:19px;padding:0 7px;display:flex}.avatar{color:#754f00;background:#f6d889;border-radius:50%;place-items:center;width:35px;height:35px;font-weight:800;display:grid}.profile-mini>span:nth-child(2){font-size:12px;line-height:1.2;display:grid}.profile-mini small{color:var(--muted);font-size:10px}.profile-mini button{cursor:pointer;color:var(--muted);background:0 0;border:0;margin-left:auto}main{min-height:100vh;margin-left:234px}.topbar{border-bottom:1px solid var(--line);z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f7f4edf0;justify-content:flex-end;align-items:center;height:72px;padding:0 42px;display:flex;position:sticky;top:0}.mobile-brand{display:none}.pilot-badge{color:var(--purple);font-family:var(--font-geist-mono), monospace;letter-spacing:.6px;background:#eeecff;border:1px solid #d8d4ff;border-radius:8px;margin-right:auto;padding:7px 10px;font-size:9px;font-weight:800}.grade-toggle{background:#ebe8e1;border-radius:11px;margin-right:24px;padding:3px;display:flex}.grade-toggle button{color:#7e8491;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:7px 12px;font-size:11px;font-weight:800}.grade-toggle button.active{color:var(--ink);background:#fff;box-shadow:0 1px 4px #1d23331f}.stats{align-items:center;gap:18px;font-size:12px;font-weight:750;display:flex}.stats span b{margin-right:3px;font-size:16px}.stats span:nth-child(2) b{color:var(--purple)}.stats button{cursor:pointer;background:#fff;border:0;border-radius:50%;width:35px;height:35px;font-size:18px;position:relative}.stats i{color:#fff;background:#f06b52;border-radius:50%;place-items:center;width:16px;height:16px;font-size:9px;font-style:normal;display:grid;position:absolute;top:-4px;right:-2px}.content-grid{grid-template-columns:minmax(0,1fr) 290px;gap:34px;max-width:1220px;margin:0 auto;padding:42px;display:grid}.learning-column{min-width:0}.welcome-row{justify-content:space-between;align-items:flex-end;margin-bottom:28px;display:flex}.eyebrow{font-family:var(--font-geist-mono), monospace;color:#858b96;letter-spacing:1.3px;margin:0 0 9px;font-size:10px;font-weight:700}.welcome-row h1{letter-spacing:-2.5px;margin:0;font-size:clamp(32px,4vw,48px);font-weight:770;line-height:.98}.welcome-row h1 em{color:var(--purple);font-family:Georgia,serif;font-weight:500}.mascot{border:3px solid var(--ink);background:#f5c94f;border-radius:46% 46% 42% 42%;width:66px;height:60px;margin:0 15px 2px 0;position:relative;transform:rotate(3deg)}.mascot-ear{border:3px solid var(--ink);z-index:-1;background:#f5c94f;border-radius:4px 20px 6px;width:22px;height:22px;position:absolute;top:-11px}.mascot-ear.left{left:1px;transform:rotate(17deg)}.mascot-ear.right{right:1px;transform:scaleX(-1)rotate(17deg)}.mascot-eye{background:var(--ink);border-radius:50%;width:6px;height:8px;position:absolute;top:22px}.mascot-eye.left{left:19px}.mascot-eye.right{right:19px}.mascot-mouth{font-weight:900;position:absolute;top:28px;left:24px}.today-card{background:var(--purple);color:#fff;border-radius:26px 26px 26px 8px;grid-template-columns:1fr .9fr;min-height:280px;padding:34px 38px 28px;display:grid;position:relative;overflow:hidden;box-shadow:0 17px 34px #4538c42e}.today-card:before{content:"";border:1px solid #ffffff26;border-radius:50%;width:210px;height:210px;position:absolute;top:-72px;right:-35px}.today-card:after{content:"";border:1px solid #ffffff1f;border-radius:50%;width:150px;height:150px;position:absolute;bottom:-75px;right:-70px}.card-label{font-family:var(--font-geist-mono), monospace;letter-spacing:1.5px;color:#d6d1ff;font-size:9px;font-weight:800}.today-copy{z-index:2;position:relative}.today-copy h2{letter-spacing:-1.4px;margin:17px 0 9px;font-size:clamp(27px,3.4vw,38px);line-height:1.03}.today-copy p{color:#d7d3ff;margin:0 0 24px;font-size:12px}.primary-action{color:var(--purple-dark);cursor:pointer;background:#fff;border:0;border-radius:12px;min-height:44px;padding:0 18px;font-size:12px;font-weight:800;box-shadow:0 4px #dcd8ff}.primary-action:active{transform:translateY(2px);box-shadow:0 2px #dcd8ff}.primary-action span{margin-left:25px;font-size:16px}.equation-art{z-index:1;place-items:center;min-height:190px;display:grid;position:relative}.equation{align-items:center;gap:8px;font-family:Georgia,serif;font-size:29px;display:flex;transform:rotate(-3deg)}.equation i{color:var(--ink);background:#fff;border-radius:7px;padding:9px 11px;font-style:normal;box-shadow:3px 4px #3427a5}.equation b{color:#f6d45c;font-size:38px}.equation strong{font-weight:400}.scribble{color:#d9d5ff;font-family:Georgia,serif;font-size:12px;font-style:italic;position:absolute;top:26px;left:25px;transform:rotate(-6deg)}.answer-chip{color:#f5cf59;border-bottom:2px solid #f5cf59;font-family:Georgia,serif;font-size:22px;position:absolute;bottom:12px;right:30px;transform:rotate(4deg)}.arrow-line{color:#9df0c8;font-size:34px;position:absolute;bottom:24px;left:40px;transform:rotate(20deg)}.today-progress{background:#4d40d8;height:5px;position:absolute;bottom:0;left:0;right:0}.today-progress span{background:#b8f1d3;height:100%;display:block}.subject-switcher{border:1px solid var(--line);background:#fff;border-radius:16px 16px 16px 5px;grid-template-columns:43px minmax(0,1fr) auto auto;align-items:center;gap:12px;margin-bottom:18px;padding:13px 14px;display:grid}.subject-mark{color:#fff;border-radius:12px 12px 12px 4px;place-items:center;width:43px;height:43px;font:800 13px Georgia,serif;display:grid}.subject-switcher>div{gap:2px;min-width:0;display:grid}.subject-switcher small{color:#8b919a;font:800 7px var(--font-geist-mono), monospace;letter-spacing:.7px}.subject-switcher strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.subject-switcher p{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);margin:0;font-size:9px;overflow:hidden}.subject-status{white-space:nowrap;border-radius:20px;padding:6px 8px;font-size:7px;font-weight:850}.subject-status.live{color:#087558;background:#dff4e9}.subject-status.review{color:#816000;background:#fff0c7}.subject-status.setup{color:#5548d7;background:#eeebff}.subject-switcher>button{color:#4f5969;cursor:pointer;white-space:nowrap;background:#f7f5f0;border:1px solid #d9d5cd;border-radius:9px;padding:9px 11px;font-size:9px;font-weight:800}.subject-switcher>button b{color:var(--purple);margin-left:5px;font-size:13px}.subject-ready-card{border:1px solid var(--subject-color);min-height:420px;padding:32px}@supports (color:color-mix(in lab, red, red)){.subject-ready-card{border:1px solid color-mix(in srgb, var(--subject-color) 35%, #e5e1d9)}}.subject-ready-card{background:linear-gradient(145deg, var(--subject-color), #fff 52%)}@supports (color:color-mix(in lab, red, red)){.subject-ready-card{background:linear-gradient(145deg, color-mix(in srgb, var(--subject-color) 9%, white), #fff 52%)}}.subject-ready-card{border-radius:24px 24px 24px 7px}.subject-ready-hero{align-items:center;gap:17px;display:flex}.subject-ready-hero>span{color:#fff;border-radius:18px 18px 18px 6px;flex:none;place-items:center;width:61px;height:61px;font:800 17px Georgia,serif;display:grid}.subject-ready-hero h2{letter-spacing:-1.5px;margin:2px 0 4px;font-size:clamp(27px,4vw,40px)}.subject-ready-hero p:last-child{color:var(--muted);margin:0;font-size:11px}.subject-capabilities{grid-template-columns:repeat(3,1fr);gap:9px;margin:29px 0 18px;display:grid}.subject-capabilities article{border:1px solid var(--line);background:#ffffffe6;border-radius:13px 13px 13px 4px;gap:6px;padding:16px;display:grid}.subject-capabilities b{color:var(--subject-color);font:800 8px var(--font-geist-mono), monospace}.subject-capabilities strong{font-size:11px}.subject-capabilities span{color:var(--muted);font-size:9px;line-height:1.5}.subject-safety{background:#fff5cf;border-left:3px solid #edc443;align-items:flex-start;gap:10px;padding:13px 15px;display:flex}.subject-safety>span{color:#987000;font-weight:900}.subject-safety p{color:#6f5d25;margin:0;font-size:9px;line-height:1.55}.subject-ready-actions{align-items:center;gap:13px;margin-top:22px;display:flex}.subject-ready-actions>button:last-child{color:var(--subject-color);cursor:pointer;background:0 0;border:0;font-size:10px;font-weight:850}.catalog-note{background:#f0eeff;border:1px solid #d8d3ff;border-radius:18px 18px 18px 6px;min-height:195px;padding:21px}.catalog-note>strong{margin:8px 0;font-size:25px;display:block}.catalog-note>p:not(.eyebrow){color:#655f7f;font-size:9px;line-height:1.55}.catalog-note button{color:#5548d7;cursor:pointer;background:0 0;border:0;padding:8px 0 0;font-size:9px;font-weight:850}.subject-unit-list{border:1px solid var(--line);background:#ffffffe0;border-radius:16px 16px 16px 5px;margin:18px 0;padding:8px 18px}.subject-unit-list .path-item.current .path-node{background:var(--subject-color);box-shadow:0 0 0 6px var(--subject-color)}@supports (color:color-mix(in lab, red, red)){.subject-unit-list .path-item.current .path-node{box-shadow:0 0 0 6px color-mix(in srgb, var(--subject-color) 15%, white)}}.subject-unit-list .path-item.current .path-copy strong,.subject-unit-list .path-item.current .path-xp{color:var(--subject-color)}.subject-layer{z-index:120;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172ab8;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.subject-modal{background:#faf8f3;border-radius:24px 24px 24px 8px;width:min(980px,100%);max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 30px 80px #0a101f59}.subject-modal>header{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;gap:20px;padding:25px 28px 18px;display:flex}.subject-modal h2{letter-spacing:-1.1px;margin:4px 0;font-size:28px}.subject-modal header p:last-child{color:var(--muted);margin:0;font-size:10px}.subject-modal header>button{color:#7e8591;cursor:pointer;background:0 0;border:0;width:38px;height:38px;font-size:27px}.subject-tools{grid-template-columns:minmax(220px,.8fr) 1.2fr;align-items:end;gap:16px;padding:18px 28px 12px;display:grid}.subject-tools label{color:#697386;gap:5px;font-size:8px;font-weight:750;display:grid}.subject-tools input{width:100%;min-height:39px;color:var(--ink);font:inherit;background:#fff;border:1px solid #d8d5cc;border-radius:9px;padding:0 11px;font-size:10px}.subject-tools>div{justify-content:flex-end;gap:5px;display:flex;overflow-x:auto}.subject-tools>div button{color:#747b86;white-space:nowrap;cursor:pointer;background:#fff;border:1px solid #d9d5cd;border-radius:20px;padding:8px 10px;font-size:8px;font-weight:800}.subject-tools>div button.active{background:var(--purple);border-color:var(--purple);color:#fff}.subject-grid{grid-template-columns:repeat(3,1fr);gap:8px;padding:8px 28px 26px;display:grid}.subject-grid>button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:14px 14px 14px 5px;grid-template-rows:1fr auto;grid-template-columns:39px minmax(0,1fr);gap:10px;min-width:0;min-height:132px;padding:13px;display:grid}.subject-grid>button:hover,.subject-grid>button.selected{border-color:var(--purple);box-shadow:0 5px 16px #463daa1a}.subject-grid>button>span{color:#fff;border-radius:11px 11px 11px 4px;place-items:center;width:39px;height:39px;font:800 10px Georgia,serif;display:grid}.subject-grid>button>div{align-content:start;gap:3px;min-width:0;display:grid}.subject-grid strong{font-size:10px;line-height:1.3}.subject-grid small{color:#8b919b;font-size:7px}.subject-grid p{color:var(--muted);margin:4px 0 0;font-size:8px;line-height:1.45}.subject-grid>button>b{color:#5548d7;background:#eeebff;border-radius:20px;grid-column:1/-1;width:fit-content;padding:4px 6px;font-size:6px}.subject-grid>button.selected>b{color:#087558;background:#dff4e9}.subject-modal>footer{border-top:1px solid var(--line);color:#777f8b;background:#fff;padding:13px 28px;font-size:8px;line-height:1.5}.subject-empty{color:var(--muted);text-align:center;padding:40px 28px;font-size:11px}.learning-map{padding-top:54px}.section-heading{justify-content:space-between;align-items:flex-end;margin-bottom:23px;display:flex}.section-heading h2{letter-spacing:-1px;margin:0;font-size:27px}.level-note{color:var(--muted);padding-bottom:4px;font-size:11px}.mode-tabs{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.mode-tabs button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:15px;grid-template-columns:25px 1fr;column-gap:8px;min-width:0;padding:16px;transition:transform .2s,border-color .2s;display:grid}.mode-tabs button:hover{transform:translateY(-2px)}.mode-tabs button>span{font-family:var(--font-geist-mono), monospace;color:#a2a6ae;grid-row:span 2;padding-top:2px;font-size:10px}.mode-tabs button strong{white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.mode-tabs button small{color:#858b96;margin-top:3px;font-size:9px}.mode-tabs button.active{border:2px solid var(--mode-color);padding:15px;box-shadow:0 6px 18px #22284014}.mode-tabs button.active>span,.mode-tabs button.active strong{color:var(--mode-color)}.mode-explainer{border-left:4px solid var(--mode-color);background:#fff;align-items:center;gap:11px;min-height:54px;margin:13px 0 20px;padding:11px 14px;display:flex}.mode-explainer .mode-icon{background:var(--mode-color);border-radius:50%;place-items:center;width:28px;height:28px;display:grid}@supports (color:color-mix(in lab, red, red)){.mode-explainer .mode-icon{background:color-mix(in srgb, var(--mode-color) 15%, white)}}.mode-explainer .mode-icon{color:var(--mode-color);font-weight:900}.mode-explainer p{color:var(--muted);flex:1;margin:0;font-size:11px;line-height:1.4}.mode-explainer p strong{color:var(--ink)}.school-sync-note{background:#eef9f4;border:1px solid #d8e8e1;border-radius:13px 13px 13px 4px;align-items:flex-start;gap:10px;margin:0 0 18px;padding:13px 15px;display:flex}.school-sync-note>span{color:#087558;background:#d8f2e6;border-radius:50%;flex:none;place-items:center;width:25px;height:25px;font-weight:900;display:grid}.school-sync-note p{color:#44665a;margin:1px 0 0;font-size:10px;line-height:1.55}.school-sync-note strong{color:#174f3d}.difficulty{color:var(--mode-color);text-transform:uppercase;letter-spacing:.6px;font-size:9px;font-weight:800}.subject-picker{gap:7px;padding:0 0 20px;display:flex;overflow-x:auto}.subject-picker button{color:#868c97;white-space:nowrap;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:7px;padding:7px 10px 9px;font-size:11px;font-weight:700;display:flex}.subject-picker button span{background:#e9e5de;border-radius:8px;place-items:center;width:24px;height:24px;font-family:Georgia,serif;display:grid}.subject-picker button.active{color:var(--ink);border-bottom-color:var(--mode-color)}.subject-picker button.active span{background:var(--mode-color);color:#fff}.path-board{border:1px solid var(--line);background:#fff;border-radius:20px 20px 20px 6px;overflow:hidden}.chapter-head{color:#fff;background:#17233b;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.chapter-head>div:first-child{grid-template-columns:42px 1fr;column-gap:13px;display:grid}.chapter-head>div:first-child>span{background:var(--mode-color);border-radius:13px;grid-row:span 2;place-items:center;width:42px;height:42px;font-family:Georgia,serif;font-size:19px;display:grid}.chapter-head p{color:#aeb9ca;text-transform:uppercase;letter-spacing:.8px;margin:2px 0;font-size:9px}.chapter-head h3{margin:0;font-size:16px}.chapter-count{align-items:center;gap:8px;display:flex}.chapter-count strong{color:#f5cc57;font-size:27px}.chapter-count small{color:#aeb9ca;max-width:35px;font-size:9px;line-height:1.1}.path-list{padding:8px 25px 10px}.path-item{text-align:left;background:0 0;border:0;grid-template-columns:44px 1fr auto;align-items:center;gap:13px;width:100%;min-height:86px;padding:9px 0;display:grid;position:relative}.path-item:not(:last-child):after{content:"";border-left:2px dashed #dcdfe6;height:31px;position:absolute;bottom:-15px;left:21px}.path-node{color:#9aa0ac;z-index:1;background:#e7e9ee;border-radius:50%;place-items:center;width:44px;height:44px;font-weight:850;display:grid}.path-copy{min-width:0;display:grid}.path-copy small{color:#a0a5ae;font-family:var(--font-geist-mono), monospace;letter-spacing:.7px;font-size:8px}.path-copy strong{margin:4px 0 2px;font-size:13px}.path-copy em{color:#8a909b;font-size:10px;font-style:normal}.path-xp{color:#9da2ac;font-size:10px;font-weight:800}.path-item.done .path-node{color:#087b5d;background:#c7f2df}.path-item.done .path-copy strong{color:#697386}.path-item.done .path-xp{color:#0b9d78}.path-item.current{cursor:pointer}.path-item.current .path-node{background:var(--mode-color);color:#fff;box-shadow:0 0 0 6px var(--mode-color)}@supports (color:color-mix(in lab, red, red)){.path-item.current .path-node{box-shadow:0 0 0 6px color-mix(in srgb, var(--mode-color) 15%, white)}}.path-item.current .path-copy strong,.path-item.current .path-xp{color:var(--mode-color)}.path-item.current:hover .path-copy strong{text-decoration:underline}.path-item:disabled{cursor:not-allowed}.insight-column{flex-direction:column;gap:17px;padding-top:6px;display:flex}.daily-goal,.curiosity-card,.league-card{border:1px solid var(--line);background:#fff;border-radius:18px 18px 18px 6px;padding:21px}.section-mini-head{justify-content:space-between;align-items:center;display:flex}.section-mini-head h2{margin:0;font-size:15px}.section-mini-head span{color:var(--purple);font-size:11px;font-weight:800}.goal-ring{background:conic-gradient(var(--purple) 0 67%, #ebe9e4 67% 100%);border-radius:50%;place-items:center;width:112px;height:112px;margin:20px auto;display:grid;position:relative}.goal-ring:before{content:"";background:#fff;border-radius:50%;position:absolute;inset:9px}.goal-ring div{text-align:center;display:grid;position:relative}.goal-ring strong{font-size:25px;line-height:1}.goal-ring span{color:var(--muted);margin-top:4px;font-size:9px}.daily-goal ul{gap:13px;margin:0;padding:0;list-style:none;display:grid}.daily-goal li{align-items:center;gap:10px;display:flex}.daily-goal li>span{color:#8e929b;background:#eeeae4;border-radius:9px;place-items:center;width:27px;height:27px;font-size:10px;font-weight:900;display:grid}.daily-goal li.complete>span{color:#07805f;background:#c7f2df}.daily-goal li div{font-size:11px;display:grid}.daily-goal li small{color:var(--muted);margin-top:2px;font-size:9px}.curiosity-card{background:#fff6d9;border-color:#eadca8;min-height:195px;position:relative;overflow:hidden}.curiosity-card:after{content:"?";color:#e6b42a1f;font-family:Georgia,serif;font-size:150px;position:absolute;bottom:-38px;right:-4px}.curiosity-icon{background:#f3c84f;border-radius:50% 50% 50% 8px;place-items:center;width:31px;height:31px;margin-bottom:16px;font-family:Georgia,serif;font-weight:900;display:grid}.curiosity-card h2{max-width:220px;margin:0 0 16px;font-family:Georgia,serif;font-size:18px;line-height:1.25}.curiosity-card button{color:#8a6500;z-index:1;cursor:pointer;background:0 0;border:0;padding:0;font-size:10px;font-weight:900;position:relative}.curiosity-card button span{margin-left:10px}.league-card{justify-content:space-between;align-items:center;padding:17px 19px;display:flex}.league-card>div{grid-template-columns:35px 1fr;column-gap:10px;display:grid}.league-badge{width:35px;height:35px;color:var(--purple);background:#eeecff;border-radius:10px;grid-row:span 2;place-items:center;display:grid}.league-card p{color:#90959f;letter-spacing:.7px;margin:1px 0;font-size:8px}.league-card h3{margin:0;font-size:11px}.league-rise{color:#0b9d78;font-size:11px;font-weight:800}.mobile-nav{display:none}.quiz-layer{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172ab8;place-items:center;padding:24px;animation:.2s ease-out fade-in;display:grid;position:fixed;inset:0}.quiz-shell{background:#faf8f3;border-radius:24px 24px 24px 8px;width:min(820px,100%);max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 30px 80px #0a101f59}.quiz-header{border-bottom:1px solid var(--line);align-items:center;gap:20px;height:66px;padding:0 26px;display:flex}.close-quiz{color:#8b909a;cursor:pointer;background:0 0;border:0;width:36px;height:36px;font-size:26px}.quiz-progress{background:#e2dfd8;border-radius:5px;flex:1;height:8px;overflow:hidden}.quiz-progress span{background:var(--purple);height:100%;transition:width .3s;display:block}.hearts{color:#f06b52;letter-spacing:2px;white-space:nowrap;font-size:15px}.question-card{padding:44px 60px 36px}.quiz-eyebrow{color:var(--purple);font-family:var(--font-geist-mono), monospace;letter-spacing:1px;font-size:9px;font-weight:800}.question-card h2{letter-spacing:-1.2px;max-width:650px;margin:13px 0 31px;font-size:clamp(25px,4vw,38px);line-height:1.12}.answers{grid-template-columns:1fr 1fr;gap:12px;display:grid}.answers button{text-align:left;cursor:pointer;background:#fff;border:2px solid #e0ddd6;border-radius:14px;align-items:center;gap:13px;min-height:66px;padding:12px 17px;font-weight:700;display:flex;box-shadow:0 3px #dedbd4}.answers button:not(:disabled):hover{border-color:var(--purple);transform:translateY(-1px)}.answers button span{background:#f0ede7;border-radius:8px;place-items:center;width:31px;height:31px;font-size:11px;display:grid}.answers button b{margin-left:auto;font-size:19px}.answers button.correct{color:#087a5d;background:#ecfaf4;border-color:#0b9d78;box-shadow:0 3px #a7dfc9}.answers button.correct span{background:#c7f2df}.answers button.wrong{color:#b73c31;background:#fff0ed;border-color:#e95d4d;box-shadow:0 3px #f1b3ab}.answers button.wrong span{background:#ffd9d4}.feedback{grid-template-columns:39px 1fr auto;align-items:center;gap:13px;margin:28px -60px -36px;padding:20px 60px;display:grid}.feedback>span{color:#fff;border-radius:50%;place-items:center;width:39px;height:39px;font-weight:900;display:grid}.feedback strong{font-size:13px}.feedback p{margin:4px 0 0;font-size:11px;line-height:1.4}.feedback button{color:#fff;cursor:pointer;border:0;border-radius:11px;min-height:42px;padding:0 19px;font-weight:800}.feedback.correct{color:#087558;background:#dff6ec}.feedback.correct>span,.feedback.correct button{background:#0b9d78}.feedback.wrong{color:#a63c32;background:#ffe3df}.feedback.wrong>span,.feedback.wrong button{background:#dc5749}.result-card{text-align:center;padding:42px 55px 50px;position:relative;overflow:hidden}.confetti{color:#efb72d;letter-spacing:14px;margin-bottom:13px;font-size:21px}.result-badge{margin:4px 0 15px;font-size:54px;display:block}.result-card h2{letter-spacing:-1.8px;margin:7px 0 12px;font-size:40px;line-height:1.03}.result-card>p:not(.eyebrow){max-width:450px;color:var(--muted);margin:0 auto;font-size:13px;line-height:1.6}.result-stats{border:1px solid var(--line);background:#fff;grid-template-columns:repeat(3,1fr);max-width:430px;margin:27px auto;display:grid}.result-stats span{color:var(--muted);padding:14px;font-size:9px;display:grid}.result-stats span:not(:last-child){border-right:1px solid var(--line)}.result-stats strong{color:var(--ink);margin-bottom:3px;font-size:20px}.result-card .primary-action{background:var(--purple);color:#fff;box-shadow:0 4px 0 var(--purple-dark)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media (max-width:1050px){.content-grid{grid-template-columns:1fr;max-width:850px}.insight-column{grid-template-columns:1fr 1fr;display:grid}.league-card{grid-column:1/-1}}@media (max-width:760px){.side-nav{display:none}main{margin-left:0;padding-bottom:76px}.topbar{justify-content:space-between;height:62px;padding:0 18px}.mobile-brand{align-items:center;gap:8px;font-size:13px;font-weight:800;display:flex}.mobile-brand .brand-mark{border-radius:8px 8px 8px 3px;width:28px;height:28px}.grade-toggle{margin:0}.stats span{display:none}.stats{gap:0}.content-grid{padding:29px 18px 24px}.subject-switcher{grid-template-columns:39px 1fr auto}.subject-switcher .subject-status{display:none}.subject-switcher>button{grid-column:1/-1}.subject-mark{width:39px;height:39px}.subject-capabilities{grid-template-columns:1fr}.subject-ready-card{padding:23px 20px}.subject-ready-actions{flex-direction:column;align-items:stretch}.subject-ready-actions .primary-action{width:100%}.subject-layer{padding:0}.subject-modal{border-radius:0;min-height:100vh;max-height:100vh}.subject-modal>header{padding:20px 18px 15px}.subject-modal h2{font-size:24px}.subject-tools{grid-template-columns:1fr;padding:15px 18px 8px}.subject-tools>div{justify-content:flex-start}.subject-grid{grid-template-columns:1fr;padding:8px 18px 84px}.subject-grid>button{min-height:112px}.welcome-row h1{font-size:35px}.mascot{width:55px;height:51px;margin-right:4px}.mascot-eye{top:19px}.mascot-mouth{top:24px;left:20px}.today-card{grid-template-columns:1fr;min-height:390px;padding:28px 25px 24px}.equation-art{grid-row:1;min-height:150px}.today-copy{grid-row:2}.scribble{top:5px}.answer-chip{bottom:8px}.section-heading{align-items:flex-start}.level-note{text-align:right;max-width:85px;line-height:1.4}.mode-tabs{grid-template-columns:1fr}.mode-tabs button{grid-template-columns:28px 1fr}.subject-picker{margin-right:-18px}.chapter-head{padding:17px}.chapter-count{display:none}.path-list{padding:8px 16px}.path-item{grid-template-columns:39px 1fr auto;gap:10px}.path-node{width:39px;height:39px}.path-item:not(:last-child):after{left:19px}.path-xp{text-align:right;max-width:48px}.insight-column{grid-template-columns:1fr}.league-card{grid-column:auto}.mobile-nav{z-index:40;border-top:1px solid var(--line);background:#fff;justify-content:space-around;height:67px;padding:6px 5px 5px;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav button{color:#979ca6;background:0 0;border:0;place-items:center;width:25%;font-size:8px;font-weight:750;display:grid}.mobile-nav button span{font-size:19px}.mobile-nav button.active{color:var(--purple)}.quiz-layer{padding:0}.quiz-shell{border-radius:0;min-height:100vh;max-height:100vh}.quiz-header{gap:10px;padding:0 14px}.hearts{font-size:12px}.question-card{flex-direction:column;min-height:calc(100vh - 66px);padding:35px 20px 0;display:flex}.question-card h2{margin-bottom:24px;font-size:27px}.answers{grid-template-columns:1fr}.feedback{grid-template-columns:36px 1fr;margin:auto -20px 0;padding:17px 20px}.feedback button{grid-column:1/-1}.result-card{padding:60px 20px 35px}.result-card h2{font-size:34px}.result-stats{margin:25px 0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.pilot-loading{background:var(--paper);min-height:100vh;color:var(--muted);place-content:center;justify-items:center;gap:14px;font-size:12px;display:grid}.pilot-loading .brand-mark{animation:1.4s ease-in-out infinite alternate float-mark}@keyframes float-mark{to{transform:rotate(4deg)translateY(-5px)}}.pilot-gate{color:#fff;background:#17233b;grid-template-columns:minmax(0,1fr) minmax(380px,520px);align-items:center;gap:clamp(40px,7vw,110px);min-height:100vh;padding:46px clamp(28px,6vw,88px);display:grid;position:relative;overflow:hidden}.pilot-gate:before{content:"ƒ⁻¹";color:#ffffff09;font-family:Georgia,serif;font-size:310px;position:absolute;bottom:-110px;left:5%;transform:rotate(-8deg)}.gate-brand{letter-spacing:-.5px;align-items:center;gap:11px;font-size:16px;font-weight:800;display:flex;position:absolute;top:34px;left:clamp(28px,6vw,88px)}.gate-brand strong{color:#968dfd}.gate-context{z-index:1;max-width:640px;position:relative}.gate-context .eyebrow{color:#aeb8c9}.gate-context h1{letter-spacing:-4px;margin:12px 0 25px;font-size:clamp(43px,5.5vw,76px);line-height:.97}.gate-context h1 em{color:#a8edcb;font-family:Georgia,serif;font-weight:500}.gate-context>p:not(.eyebrow){color:#b8c2d2;max-width:510px;font-size:14px;line-height:1.7}.gate-path-preview{color:#aeb8c9;align-items:center;gap:13px;margin-top:42px;font-size:10px;display:flex}.gate-path-preview span{gap:5px;display:grid}.gate-path-preview b{color:#f4c950;font-family:var(--font-geist-mono), monospace}.gate-path-preview i{color:#6a778d;font-style:normal}.gate-card{color:var(--ink);z-index:2;background:#fff;border-radius:28px 28px 28px 8px;align-items:center;min-height:540px;padding:clamp(30px,4.5vw,54px);display:grid;position:relative;box-shadow:0 34px 80px #0309144d}.gate-step{font-family:var(--font-geist-mono), monospace;color:var(--purple);letter-spacing:1.1px;font-size:9px;font-weight:800}.gate-card h2{letter-spacing:-1.2px;margin:14px 0 9px;font-size:30px}.gate-card form>p,.gate-card>div>p{color:var(--muted);margin:0 0 25px;font-size:12px;line-height:1.6}.gate-card label:not(.check-row){margin:16px 0 7px;font-size:10px;font-weight:800;display:block}.gate-card input:not([type=checkbox]),.gate-card select{background:#fbfaf7;border:2px solid #e2dfd8;border-radius:12px;outline:none;width:100%;height:51px;padding:0 15px;font-weight:700}.gate-card input:focus,.gate-card select:focus{border-color:var(--purple);background:#fff}.gate-action{background:var(--purple);color:#fff;cursor:pointer;width:100%;min-height:49px;box-shadow:0 4px 0 var(--purple-dark);border:0;border-radius:12px;justify-content:space-between;align-items:center;margin-top:22px;padding:0 18px;font-size:12px;font-weight:800;display:flex}.gate-action:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.gate-action:not(:disabled):active{box-shadow:0 2px 0 var(--purple-dark);transform:translateY(2px)}.gate-card form>small{text-align:center;color:#9297a0;margin-top:14px;font-size:9px;display:block}.form-error{background:#ffebe8;border-left:3px solid #dc5749;padding:9px 11px;color:#bd443a!important;margin:12px 0 0!important}.check-row{cursor:pointer;border:1px solid #e1ded7;border-radius:13px;align-items:flex-start;gap:12px;margin:11px 0;padding:14px;display:flex}.check-row input{accent-color:var(--purple);margin-top:3px}.check-row span{font-size:11px;display:grid}.check-row small{color:var(--muted);margin-top:4px;font-size:9px;line-height:1.5}.text-action{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:10px;font-size:10px;font-weight:800}.gate-card .text-action{margin:8px auto 0;display:block}.confidence-field{border:0;margin:18px 0 0;padding:0}.confidence-field legend{margin-bottom:8px;font-size:10px;font-weight:800}.confidence-field>div{grid-template-columns:repeat(5,1fr);gap:7px;display:grid}.confidence-field button{cursor:pointer;background:#fff;border:1px solid #dedbd4;border-radius:9px;height:38px;font-weight:800}.confidence-field button.active{background:var(--purple);color:#fff;border-color:var(--purple)}.confidence-field small{color:#999da5;justify-content:space-between;margin-top:6px;font-size:8px;display:flex}.diagnostic-page{background:#faf8f3;min-height:100vh}.diagnostic-page>header{border-bottom:1px solid var(--line);justify-content:flex-end;align-items:center;height:70px;padding:0 clamp(22px,6vw,80px);display:flex;position:relative}.diagnostic-page .gate-brand{color:var(--ink);top:17px}.diagnostic-count{font-family:var(--font-geist-mono), monospace;color:var(--muted);font-size:10px}.diagnostic-progress{background:#e3e0da;height:5px}.diagnostic-progress span{background:var(--purple);height:100%;transition:width .3s;display:block}.diagnostic-main{width:min(760px,100% - 40px);min-height:auto;padding:65px 0 80px;margin:0 auto!important}.diagnostic-main h1{letter-spacing:-1.7px;margin:11px 0;font-size:clamp(28px,4.2vw,44px);line-height:1.12}.diagnostic-note{color:var(--muted);margin-bottom:31px;font-size:12px}.diagnostic-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.diagnostic-options button{text-align:left;cursor:pointer;background:#fff;border:2px solid #e0ddd6;border-radius:14px;align-items:center;gap:13px;min-height:67px;padding:12px 17px;font-weight:700;display:flex;box-shadow:0 3px #dedbd4}.diagnostic-options button span{background:#f0ede7;border-radius:8px;flex:none;place-items:center;width:31px;height:31px;font-size:11px;display:grid}.diagnostic-options button b{margin-left:auto}.diagnostic-options button:not(:disabled):hover{border-color:var(--purple)}.diagnostic-options button.correct{color:#087a5d;background:#ecfaf4;border-color:#0b9d78;box-shadow:0 3px #a7dfc9}.diagnostic-options button.wrong{color:#b73c31;background:#fff0ed;border-color:#e95d4d;box-shadow:0 3px #f1b3ab}.diagnostic-feedback{border-radius:14px;align-items:center;gap:20px;margin-top:25px;padding:18px 20px;display:flex}.diagnostic-feedback div{flex:1}.diagnostic-feedback strong{font-size:12px}.diagnostic-feedback p{margin:4px 0 0;font-size:10px;line-height:1.5}.diagnostic-feedback button{color:#fff;cursor:pointer;border:0;border-radius:10px;min-height:40px;padding:0 16px;font-size:10px;font-weight:800}.diagnostic-feedback.correct{color:#087558;background:#dff6ec}.diagnostic-feedback.correct button{background:#0b9d78}.diagnostic-feedback.wrong{color:#a63c32;background:#ffe3df}.diagnostic-feedback.wrong button{background:#dc5749}.pilot-note{background:#eaf6f0;border:1px solid #c5e5d6;border-radius:18px 18px 18px 6px;padding:19px}.pilot-note h3{margin:4px 0 6px;font-size:13px}.pilot-note>p:last-child{color:#5f776c;margin:0;font-size:9px;line-height:1.5}.privacy-action{color:#737b88;cursor:pointer;background:0 0;border:0;border-bottom:1px solid;margin-top:9px;padding:0;font-size:8px}.privacy-action:disabled{opacity:.45;cursor:not-allowed}.adaptive-level{color:var(--purple);font-family:var(--font-geist-mono), monospace;white-space:nowrap;font-size:9px;font-weight:800}.hint-action{color:var(--purple);cursor:pointer;background:0 0;border:0;padding:13px 0 0;font-size:10px;font-weight:800}.micro-feedback{border-top:1px solid var(--line);text-align:left;gap:11px;max-width:460px;margin:24px auto 0;padding-top:20px;display:grid}.micro-feedback>strong{text-align:center;font-size:11px}.micro-feedback>div{justify-content:center;gap:7px;display:flex}.micro-feedback>div button{cursor:pointer;background:#fff;border:1px solid #dcd9d3;border-radius:9px;width:35px;height:35px;font-weight:800}.micro-feedback>div button.active{background:var(--purple);color:#fff;border-color:var(--purple)}.micro-feedback label{color:var(--muted);justify-content:center;gap:7px;font-size:9px;display:flex}.micro-feedback input{accent-color:var(--purple)}.micro-feedback textarea{resize:vertical;width:100%;min-height:70px;font:inherit;border:1px solid #ddd9d2;border-radius:11px;padding:11px;font-size:10px}.micro-feedback .primary-action{justify-self:center}.lesson-shell{background:#faf8f3;border-radius:24px 24px 24px 8px;width:min(790px,100%);max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 30px 80px #0a101f59}.lesson-header{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:14px;min-height:72px;padding:12px 25px;display:flex}.lesson-header>button{width:35px;height:35px;color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:25px}.lesson-header>div{flex:1;display:grid}.lesson-header small{color:var(--mode-color);font-family:var(--font-geist-mono), monospace;font-size:8px;font-weight:800}.lesson-header strong{margin-top:3px;font-size:13px}.lesson-header>span{color:var(--muted);font-size:10px}.lesson-progress{background:#e4e1db;height:4px}.lesson-progress span{background:var(--mode-color);height:100%;transition:width .3s;display:block}.lesson-content{padding:46px 60px 35px}.lesson-content h2{letter-spacing:-1.7px;max-width:620px;margin:11px 0 17px;font-size:clamp(27px,4vw,41px);line-height:1.06}.lesson-content>p:not(.eyebrow){color:#5d6676;max-width:650px;font-size:14px;line-height:1.75}.formula-board{color:#fff;background:#17233b;border-radius:16px 16px 16px 5px;gap:9px;margin:27px 0;padding:23px 27px;display:grid}.formula-board span,.worked-example>span{color:#9eabc0;font-family:var(--font-geist-mono), monospace;letter-spacing:.9px;font-size:8px;font-weight:800}.formula-board strong{color:#f4d46c;font-family:Georgia,serif;font-size:26px;font-weight:500}.worked-example{border-left:4px solid var(--mode-color);background:#fff;margin:25px 0;padding:17px 20px}.worked-example>span{color:var(--mode-color)}.worked-example p{color:#596273;margin:7px 0 0;font-size:12px;line-height:1.6}.lesson-nav{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:32px;padding-top:20px;display:flex}.lesson-nav .gate-action{width:auto;min-width:155px;margin:0}.toast{z-index:200;color:#fff;background:#17233b;border-radius:12px 12px 12px 4px;align-items:center;gap:10px;max-width:min(500px,100% - 32px);padding:13px 16px;font-size:11px;line-height:1.4;display:flex;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 12px 35px #0a101f40}.toast>span{color:#f3cb59}.toast button{color:#fff;cursor:pointer;background:0 0;border:0;margin-left:5px;font-size:17px}@media (max-width:1050px){.pilot-gate{grid-template-columns:1fr 430px;gap:40px}}@media (max-width:760px){.pilot-gate{padding:90px 18px 30px;display:block}.pilot-gate:before{display:none}.gate-brand{top:22px;left:20px}.gate-context{margin-bottom:28px}.gate-context h1{letter-spacing:-2.7px;font-size:43px}.gate-context>p:not(.eyebrow){font-size:12px}.gate-path-preview{display:none}.gate-card{border-radius:20px 20px 20px 6px;min-height:0;padding:29px 22px}.gate-card h2{font-size:26px}.diagnostic-page>header{padding:0 18px}.diagnostic-page .gate-brand{left:18px}.diagnostic-main{padding:45px 0 50px}.diagnostic-options{grid-template-columns:1fr}.diagnostic-feedback{display:grid}.diagnostic-feedback button{min-height:41px}.pilot-badge{display:none}.mobile-nav button,.mobile-nav a{color:#979ca6;background:0 0;border:0;place-items:center;width:25%;font-size:8px;font-weight:750;text-decoration:none;display:grid}.mobile-nav button span,.mobile-nav a span{font-size:19px}.mobile-nav .active{color:var(--purple)}.lesson-shell{border-radius:0;min-height:100vh;max-height:100vh}.lesson-content{padding:38px 20px 28px}.lesson-content h2{font-size:30px}.lesson-content>p:not(.eyebrow){font-size:13px}.lesson-nav .gate-action{min-width:140px}.formula-board strong{font-size:22px}.toast{bottom:82px}}.ui-icon{color:currentColor;flex:0 0 22px;height:22px;position:relative;width:22px!important;font-size:0!important;display:inline-block!important}.ui-icon.home:before{content:"";border:2px solid;border-top:0;border-radius:2px;width:13px;height:11px;position:absolute;bottom:3px;left:4px}.ui-icon.home:after{content:"";border-top:2px solid;border-left:2px solid;border-radius:2px;width:11px;height:11px;position:absolute;top:2px;left:5px;transform:rotate(45deg)}.ui-icon.path:before{content:"";border:2px solid;border-radius:50%;width:15px;height:15px;position:absolute;top:3px;left:3px;box-shadow:inset 0 0 0 4px #0000}.ui-icon.path:after{content:"";background:currentColor;border-radius:50%;width:4px;height:4px;position:absolute;top:8px;left:8px;box-shadow:7px -5px 0 -1px,-5px 7px 0 -1px}.ui-icon.progress:before{content:"";border:2px solid;border-radius:50%;position:absolute;inset:2px}.ui-icon.progress:after{content:"";transform-origin:bottom;background:currentColor;border-radius:2px;width:2px;height:7px;position:absolute;top:5px;left:10px;transform:rotate(-7deg);box-shadow:3px 6px 0 -.3px}.ui-icon.profile:before{content:"";border:2px solid;border-radius:50%;width:7px;height:7px;position:absolute;top:2px;left:7px}.ui-icon.profile:after{content:"";border:2px solid;border-bottom:0;border-radius:12px 12px 0 0;width:15px;height:8px;position:absolute;bottom:2px;left:3px}.ui-icon.exit:before{content:"";border:2px solid;border-right:0;border-radius:3px 0 0 3px;width:10px;height:15px;position:absolute;top:3px;left:2px}.ui-icon.exit:after{content:"→";font-size:18px;font-weight:800;line-height:22px;position:absolute;top:0;right:0}.ui-icon.practice:before{content:"";border:2px solid;border-right-color:#0000;border-radius:50%;position:absolute;inset:3px}.ui-icon.practice:after{content:"";border:4px solid #0000;border-left-color:currentColor;position:absolute;top:3px;right:1px;transform:rotate(-30deg)}.eyebrow,.card-label{font-size:11px}.side-tip p,.side-tip button,.profile-mini,.profile-mini small{font-size:12px}.pilot-badge,.grade-toggle button{font-size:11px}.stats{font-size:13px}.stats b.streak-mark,.stats b.xp-mark{color:#8c6500;background:#fff1c8;border-radius:9px;place-items:center;min-width:27px;height:27px;padding:0 6px;font-size:12px;display:inline-grid}.stats b.xp-mark{color:var(--purple);letter-spacing:.4px;background:#ece9ff;font-size:9px}.primary-action,.gate-action{min-height:48px;font-size:15px}.today-card{background:linear-gradient(145deg, var(--subject-color,var(--purple)), var(--subject-color,var(--purple)))}@supports (color:color-mix(in lab, red, red)){.today-card{background:linear-gradient(145deg, var(--subject-color,var(--purple)), color-mix(in srgb, var(--subject-color,var(--purple)) 72%, #17233b))}}.today-copy p{font-size:14px;line-height:1.5}.recommendation-explain{background:#10193033;border:1px solid #ffffff38;border-radius:11px;gap:4px;max-width:540px;margin:-9px 0 18px;padding:11px 13px;display:grid}.recommendation-explain strong{color:#fff4bf;font-size:11px}.recommendation-explain span{color:#f0eeff;font-size:11px;line-height:1.45}.recommendation-explain small{color:#cfcaf7;font-size:9px}.session-art{z-index:2;grid-template-columns:repeat(3,1fr);align-content:center;gap:8px;padding:16px 0 16px 24px;display:grid;position:relative}.session-subject-mark{background:#ffffff26;border:2px solid #ffffffa6;border-radius:24px 24px 24px 8px;grid-column:1/-1;place-items:center;width:76px;height:76px;margin:0 auto 8px;font:800 25px Georgia,serif;display:grid;box-shadow:0 10px 30px #0f172a33}.session-art div{background:#ffffff1f;border-radius:10px;justify-items:center;gap:4px;padding:9px 5px;display:grid}.session-art i{font:800 9px var(--font-geist-mono), monospace;color:#f8d96c}.session-art strong{font-size:11px}.today-empty{color:#fff;background:#17233b;border-radius:24px 24px 24px 7px;justify-content:space-between;align-items:center;gap:24px;min-height:190px;padding:28px 32px;display:flex}.today-empty h2{margin:10px 0 7px;font-size:28px}.today-empty p{color:#c2cad7;margin:0;font-size:14px}.subject-switcher small{font-size:10px}.subject-switcher strong{font-size:15px}.subject-switcher p{font-size:12px}.subject-status{font-size:10px}.subject-switcher>button{min-height:42px;font-size:12px}.subject-ready-hero p:last-child,.subject-capabilities strong{font-size:13px}.subject-capabilities b{font-size:11px}.subject-capabilities span,.subject-safety p{font-size:12px}.subject-ready-actions>button:last-child,.catalog-note button{min-height:42px;font-size:12px}.catalog-note>p:not(.eyebrow),.pilot-note>p:last-child{font-size:12px}.path-choice{grid-template-columns:minmax(210px,.8fr) 1.2fr;gap:11px;display:grid}.main-path-choice,.branch-choices button{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fff;border-radius:16px 16px 16px 5px}.main-path-choice{align-content:center;gap:5px;min-height:112px;padding:19px;display:grid}.main-path-choice>span{color:var(--purple);font:800 10px var(--font-geist-mono), monospace;letter-spacing:.8px}.main-path-choice strong{font-size:17px}.main-path-choice small,.branch-choices button small{color:var(--muted);font-size:12px;line-height:1.4}.main-path-choice.active{border:2px solid var(--purple);background:#f6f4ff;padding:18px;box-shadow:0 8px 20px #493bbe1a}.branch-choices{background:#ffffff7a;border:1px dashed #d6d2c9;border-radius:16px;padding:12px}.branch-choices>p{color:#747b86;margin:0 3px 9px;font-size:11px;font-weight:700}.branch-choices>div{grid-template-columns:1fr 1fr;gap:8px;display:grid}.branch-choices button{gap:4px;min-height:72px;padding:12px;display:grid}.branch-choices button strong{font-size:13px}.branch-choices button.active{border-color:var(--mode-color);box-shadow:inset 0 0 0 1px var(--mode-color);background:var(--mode-color)}@supports (color:color-mix(in lab, red, red)){.branch-choices button.active{background:color-mix(in srgb, var(--mode-color) 8%, white)}}.mode-explainer p{font-size:13px}.difficulty{font-size:10px}.chapter-head p,.chapter-count small{font-size:11px}.chapter-head h3{font-size:18px}.path-copy small{font-size:10px}.path-copy strong{font-size:15px}.path-copy em,.path-xp{font-size:12px;line-height:1.4}.path-item:nth-child(3n) .path-node{border-radius:13px 13px 13px 4px}.path-item.history-recommended{border-color:#8f84ef;box-shadow:0 0 0 2px #6558f51f}.path-item.history-recommended .path-copy small,.path-item.history-recommended .path-xp{color:var(--purple);font-weight:850}.optional-branches{border:1px dashed var(--subject-color);margin:18px 0 0;padding:15px}@supports (color:color-mix(in lab, red, red)){.optional-branches{border:1px dashed color-mix(in srgb, var(--subject-color) 35%, #d7d2c8)}}.optional-branches{border-radius:14px;grid-template-columns:auto 1fr 1fr;align-items:center;gap:10px;display:grid}.optional-branches>span{color:var(--subject-color);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:850}.optional-branches div{background:#fff;border-radius:10px;gap:3px;padding:10px;display:grid}.optional-branches strong{font-size:12px}.optional-branches small{color:var(--muted);font-size:11px}.habit-card.achieved{border-color:#8cd9b8;box-shadow:0 8px 24px #0b9d7817}.habit-summary{grid-template-columns:120px 1fr;align-items:center;gap:12px;display:grid}.habit-summary .goal-ring{width:104px;height:104px;margin:18px 0}.habit-summary .goal-ring strong{font-size:21px}.streak-summary{grid-template-columns:28px auto;align-items:center;column-gap:7px;display:grid}.streak-flame{background:#f1b83d;border-radius:58% 42% 60% 40%;width:24px;height:28px;position:relative;transform:rotate(45deg)}.streak-flame:after{content:"";background:#fff1c8;border-radius:60% 40%;width:9px;height:13px;position:absolute;bottom:3px;right:3px}.streak-summary>strong{font-size:27px;line-height:1}.streak-summary>small{color:var(--muted);grid-column:2;font-size:11px}.streak-summary p{color:var(--muted);grid-column:1/-1;margin:10px 0 0;font-size:12px;line-height:1.4}.mastery-celebration{color:#087558;background:#e7f8f0;border-radius:10px;margin:0 0 14px;padding:11px;font-size:12px;line-height:1.45}.quest-heading{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin:3px 0 13px;padding-top:14px;display:flex}.quest-heading strong{font-size:13px}.quest-heading small{color:var(--muted);font-size:10px}.daily-goal li div{font-size:13px}.daily-goal li small{font-size:11px;line-height:1.35}.practice-action{width:100%;min-height:46px;color:var(--purple);cursor:pointer;background:#f4f2ff;border:1px solid #cbc5ff;border-radius:12px;justify-content:center;align-items:center;gap:9px;margin-top:17px;font-size:13px;font-weight:800;display:flex}.practice-action:disabled{color:#8e949e;cursor:default;background:#f3f1ed;border-color:#dedbd4}.mastery-card{border:1px solid var(--line);background:#fff;border-radius:17px 17px 17px 6px;padding:19px}.mastery-bar{background:#ebe8e1;border-radius:6px;height:9px;margin:17px 0 11px;overflow:hidden}.mastery-bar span{border-radius:inherit;background:var(--purple);height:100%;display:block}.mastery-card p{color:var(--muted);margin:0;font-size:12px;line-height:1.5}.subject-modal header p:last-child{font-size:12px}.subject-tools label,.subject-tools>div button{font-size:11px}.subject-tools input{min-height:44px;font-size:13px}.subject-picker-sections{gap:20px;padding:5px 28px 28px;display:grid}.subject-picker-sections .subject-grid{padding:0}.subject-section-heading{justify-content:space-between;align-items:center;margin-bottom:9px;display:flex}.subject-section-heading h3{margin:0;font-size:15px}.subject-section-heading span{min-width:25px;height:25px;color:var(--purple);background:#eeebff;border-radius:9px;place-items:center;font-size:11px;font-weight:800;display:grid}.show-all-subjects{min-height:46px;color:var(--purple);cursor:pointer;background:#fff;border:1px solid #d8d4ca;border-radius:12px;font-size:13px;font-weight:800}.subject-grid strong{font-size:13px}.subject-grid small{font-size:10px}.subject-grid p{font-size:11px}.subject-grid>button>b{font-size:9px}.subject-modal>footer{font-size:11px}.lesson-search{border:1px solid var(--line);background:#fff;border-radius:14px 14px 14px 5px;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:7px 12px;margin:0 0 18px;padding:12px 14px;display:grid}.lesson-search span{color:#5f6878;grid-column:1/-1;font-size:12px;font-weight:800}.lesson-search input{width:100%;min-height:44px;color:var(--ink);font:inherit;background:#fff;border:1px solid #cbc7be;border-radius:10px;padding:0 12px;font-size:13px}:is(.lesson-search input:focus-visible,.subject-tools input:focus-visible){outline-offset:2px;border-color:var(--purple);outline:3px solid #f5b943}.lesson-search small{color:var(--muted);white-space:nowrap;font-size:11px}.lesson-search-empty{color:var(--muted);text-align:center;background:#fff;border:1px dashed #cbc7be;border-radius:13px;margin:0;padding:20px;font-size:13px}.subject-modal>header>button,.lesson-header>button,.close-quiz,.toast button{min-width:44px;min-height:44px}[role=dialog]:focus{outline:none}.profile-mini .profile-edit{min-width:44px;min-height:38px;color:var(--purple);background:#fff;border:1px solid #d8d4ca;border-radius:9px;margin-left:auto;padding:0 7px;font-size:10px;font-weight:800}.profile-mini .profile-exit{min-width:38px;min-height:38px;margin-left:0}.profile-dialog{background:#faf8f3;border-radius:22px 22px 22px 7px;width:min(560px,100%);max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 30px 80px #0a101f59}.profile-dialog>header{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;gap:18px;padding:24px 26px 18px;display:flex}.profile-dialog h2{margin:5px 0 7px;font-size:28px}.profile-dialog header p:last-child{color:var(--muted);margin:0;font-size:12px;line-height:1.5}.profile-dialog>header>button{color:#7e8591;cursor:pointer;background:0 0;border:0;min-width:44px;height:44px;font-size:27px}.profile-dialog form{gap:17px;padding:23px 26px 26px;display:grid}.profile-dialog form>label{color:#4f5969;gap:7px;font-size:12px;font-weight:800;display:grid}.profile-dialog input,.profile-dialog select{width:100%;min-height:46px;color:var(--ink);font:inherit;background:#fff;border:1px solid #cbc7be;border-radius:10px;padding:0 12px;font-size:14px}:is(.profile-dialog input:focus-visible,.profile-dialog select:focus-visible){outline-offset:2px;border-color:var(--purple);outline:3px solid #f5b943}.profile-security-note{background:#e9f7f1;border-left:4px solid #0b9d78;gap:4px;padding:13px 15px;display:grid}.profile-security-note strong{color:#087558;font-size:12px}.profile-security-note span{color:#49685d;font-size:11px;line-height:1.5}.profile-actions{justify-content:flex-end;align-items:center;gap:14px;display:flex}.profile-actions .gate-action{width:auto;margin:0}.gate-step,.gate-card label:not(.check-row),.confidence-field legend{font-size:12px}.gate-card form>p,.gate-card>div>p{font-size:14px}.gate-card form>small,.check-row small,.confidence-field small{font-size:11px}.check-row span{font-size:13px}.text-action{min-height:40px;font-size:12px}.diagnostic-note,.diagnostic-feedback strong{font-size:14px}.diagnostic-feedback p,.diagnostic-feedback button{font-size:12px}.lesson-header small{font-size:10px}.lesson-header strong{font-size:15px}.lesson-header>span{font-size:12px}.formula-board span,.worked-example>span{font-size:10px}.worked-example p{font-size:14px}.quiz-eyebrow,.adaptive-level{font-size:11px}.answers button{font-size:14px}.feedback p{font-size:13px}.result-stats span{font-size:11px}.micro-feedback>strong,.micro-feedback label{font-size:12px}.micro-feedback textarea{font-size:13px}.pilot-note h3{font-size:15px}.privacy-action{min-height:36px;font-size:11px}@media (max-width:760px){.session-art{grid-row:1;padding:5px 0 15px}.session-subject-mark{width:65px;height:65px;margin-bottom:5px}.today-card{min-height:410px}.today-empty{flex-direction:column;align-items:stretch}.today-empty .primary-action{width:100%}.path-choice{grid-template-columns:1fr}.branch-choices>div{grid-template-columns:1fr 1fr}.optional-branches{grid-template-columns:1fr}.subject-picker-sections{padding:5px 18px 84px}.subject-picker-sections .subject-grid{padding:0}.mobile-nav button,.mobile-nav a{gap:2px;font-size:11px}.mobile-nav button .ui-icon,.mobile-nav a .ui-icon{height:20px;width:20px!important}.habit-summary{grid-template-columns:105px 1fr}.lesson-search{grid-template-columns:1fr}.lesson-search small{white-space:normal}.profile-dialog{border-radius:0;max-height:100vh}.profile-dialog>header,.profile-dialog form{padding-left:19px;padding-right:19px}.mobile-nav button,.mobile-nav a{width:20%}}@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}
