*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.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: #17334c;--ink-soft: #2e475f;--surface: #ffffff;--surface-strong: #ffffff;--line: rgba(23, 51, 76, .11);--brand: #2f71d5;--brand-strong: #204f99;--brand-soft: rgba(47, 113, 213, .13);--gold: #ffbf52;--gold-soft: rgba(255, 191, 82, .24);--mint: #54b99b;--mint-soft: rgba(84, 185, 155, .2);--berry: #ff7f98;--berry-soft: rgba(255, 127, 152, .18);--teacher: #c86e41;--student: #2f9a79;--danger: #c94a66;--shadow: 0 28px 68px rgba(46, 74, 116, .17);color:var(--ink);background:radial-gradient(circle at 10% 11%,rgba(255,205,96,.42),transparent 23%),radial-gradient(circle at 88% 12%,rgba(112,215,255,.35),transparent 21%),radial-gradient(circle at 76% 78%,rgba(122,225,176,.24),transparent 19%),radial-gradient(circle at 23% 82%,rgba(255,160,189,.18),transparent 17%),linear-gradient(180deg,#fff7e7,#eef7ff 48%,#f7fcff);font-family:Avenir Next Rounded,Trebuchet MS,Gill Sans,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:transparent}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button:disabled{cursor:not-allowed;opacity:.7}input,textarea,select{width:100%;margin-top:.45rem;padding:.9rem 1rem;border:1px solid rgba(23,48,70,.12);border-radius:18px;background:#ffffffdb;color:var(--ink);transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:#0f5e8873;box-shadow:0 0 0 4px #0f5e881f}textarea{resize:vertical}#root{min-height:100vh}.app-shell{width:min(1480px,calc(100vw - 1.5rem));margin:0 auto;padding:1rem 0 2rem}.centered-shell,.auth-shell{min-height:100vh;display:grid;align-content:center;gap:1.1rem}.auth-shell{grid-template-columns:minmax(0,1.35fr) minmax(360px,.86fr)}.auth-side-stack{display:grid;gap:1rem;align-content:start}.surface{position:relative;background:var(--surface);border:1px solid rgba(23,51,76,.08);border-radius:32px;box-shadow:var(--shadow);overflow:hidden}.surface:after{content:none}.hero-surface,.auth-panel,.enrol-panel,.topbar,.rail,.content-panel,.side-panel{padding:1.5rem}.hero-surface h1,.topbar h1,.content-panel h2,.auth-panel h2,.side-panel h2{margin:0;font-family:Avenir Next Rounded,Trebuchet MS,Gill Sans,sans-serif;line-height:1.04;letter-spacing:-.03em}.hero-surface h1{font-size:clamp(2.8rem,5vw,4.6rem);max-width:11ch}.topbar h1{font-size:clamp(2rem,4vw,3rem)}.auth-panel h2,.content-panel h2,.side-panel h2{font-size:1.55rem}.eyebrow{display:inline-block;margin-bottom:.65rem;color:var(--brand-strong);text-transform:uppercase;letter-spacing:.2em;font-weight:800;font-size:.74rem}.panel-intro,.muted-copy,.detail-card span,.detail-card small,.artifact-card small,.list-card span,.list-card small,.admin-card p,.hero-note{color:var(--ink-soft)}.panel-intro,.muted-copy,.hero-note,.admin-card p,.list-card span,.list-card small,.detail-card span,.detail-card small,.artifact-card small{font-weight:500}.panel-intro,.hero-note,.lead-copy{margin:0}.lead-copy{font-size:1.08rem;color:var(--brand-strong);font-weight:700}.hero-pills,.detail-grid,.metric-grid,.artifact-grid,.checkbox-grid,.hero-stat-grid,.academy-summary-grid,.material-selection{display:grid;gap:.9rem}.hero-pills{display:flex;flex-wrap:wrap;margin-top:.25rem}.trust-row{margin-top:.2rem}.pill,.role-badge{display:inline-flex;align-items:center;width:-moz-fit-content;width:fit-content;padding:.5rem .9rem;border-radius:999px;font-size:.82rem;font-weight:800}.pill{background:#ffffffd6;border:1px solid rgba(23,51,76,.08);box-shadow:0 10px 20px #38568114}.tag-pill{cursor:pointer}.tag-pill.active{background:#0f5e8824;border-color:#0f5e8838}.tag-expand-panel{display:grid;gap:.45rem;padding:.95rem 1rem;border-radius:20px;background:#ffffffb3;border:1px solid var(--line)}.tag-expand-panel p{margin:0;color:var(--ink-soft)}.tag-remove-button{margin-left:.45rem}.role-badge{background:#17304614}.role-admin{background:#0f5e881f;color:var(--brand)}.role-teacher{background:#b76a3924;color:var(--teacher)}.role-student{background:#2d8b7326;color:var(--student)}.academy-hero{display:grid;gap:1rem;align-content:start;background:radial-gradient(circle at 18% 18%,rgba(255,197,94,.24),transparent 20%),radial-gradient(circle at 84% 16%,rgba(84,185,155,.18),transparent 18%),linear-gradient(135deg,rgba(47,113,213,.12),transparent 58%),linear-gradient(160deg,rgba(255,191,82,.16),transparent 60%),var(--surface)}.hero-brand-card{display:inline-flex;align-items:center;gap:1rem;width:-moz-fit-content;width:fit-content;padding:.95rem 1rem;border-radius:26px;background:#ffffffc7;border:1px solid rgba(255,255,255,.86);box-shadow:0 16px 34px #3a58831f}.hero-brand-copy{display:grid;gap:.2rem}.hero-brand-copy .eyebrow{margin-bottom:0}.hero-brand-copy strong{color:var(--brand-strong);font-size:1rem}.hero-brand-mark{width:82px;height:82px}.hero-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-stat{display:grid;gap:.35rem;padding:1rem;border-radius:24px;background:linear-gradient(180deg,#ffffffe0,#fff9efcc);border:1px solid rgba(23,48,70,.07);box-shadow:0 14px 28px #36517614}.hero-stat strong{font-size:1rem}.auth-panel{display:grid;gap:1rem;background:radial-gradient(circle at top left,rgba(255,191,82,.1),transparent 22%),radial-gradient(circle at bottom right,rgba(84,185,155,.12),transparent 24%),var(--surface);align-content:start}.enrol-panel{display:grid;gap:1rem;background:linear-gradient(180deg,#fff7e7fa,#eff9fff5);align-content:start}.enrol-panel h2{font-size:1.8rem}.enrol-panel-button{justify-self:start}.topbar{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr) auto;gap:1rem;align-items:start;margin-bottom:1rem}.brand-lockup{display:flex;gap:1rem;align-items:start}.academy-topbar{background:radial-gradient(circle at top left,rgba(255,191,82,.16),transparent 20%),radial-gradient(circle at 86% 18%,rgba(84,185,155,.14),transparent 18%),linear-gradient(180deg,#ffffffe6,#f8fcffd1)}.brand-mark{display:grid;place-items:center;width:76px;height:76px;border-radius:24px;padding:.55rem;background:linear-gradient(180deg,#fffffffa,#fff5e2eb),linear-gradient(140deg,var(--brand) 0%,#63a6ff 55%,#7ce0c4 100%);border:1px solid rgba(255,255,255,.9);box-shadow:0 18px 34px #43608e2e}.brand-logo{display:block;width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.topbar-copy p{margin:0;max-width:34ch;color:var(--ink-soft)}.academy-actions{display:grid;gap:.85rem;justify-items:end}.academy-summary-grid{grid-template-columns:repeat(3,minmax(0,1fr));width:min(100%,420px)}.summary-chip{display:grid;gap:.25rem;padding:.85rem 1rem;border-radius:24px;background:linear-gradient(180deg,#ffffffe0,#f6fbffd1);border:1px solid rgba(23,48,70,.08);text-align:left}.summary-chip strong{font-size:1rem}.summary-chip span{color:var(--ink-soft);font-size:.82rem}.secondary-button{display:inline-flex;align-items:center;gap:.5rem;width:-moz-fit-content;width:fit-content;padding:.9rem 1.25rem;border-radius:999px;border:1px solid rgba(23,51,76,.1);background:#ffffffeb;color:var(--brand-strong);font-weight:800;box-shadow:0 10px 24px #36517614;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.secondary-button:hover{transform:translateY(-1px);border-color:#2f71d538;box-shadow:0 14px 28px #3651761f}.dashboard-layout{display:grid;grid-template-columns:minmax(250px,.86fr) minmax(0,1.45fr) minmax(320px,1fr);gap:1rem}.rail,.side-panel,.content-panel{min-height:76vh}.section-heading{margin-bottom:.95rem}.compact-heading{margin-top:1.3rem}.section-heading h2{margin:0;font-size:1.42rem}.stack-list,.detail-stack,.stack-section,.form-grid{display:grid;gap:.9rem}.compact-stack{gap:.55rem}.list-card,.detail-card,.metric-card,.artifact-card,.admin-card,.mini-card,.loading-card{position:relative;border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,#ffffffd1,#fcfeffb3);padding:1rem}.list-card{text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.class-list-card,.nested-session-card{cursor:default}.class-card-button,.session-card-button{display:grid;gap:.35rem;width:100%;padding:0;border:0;background:transparent;color:inherit;text-align:left}.list-card.active,.list-card:hover{transform:translateY(-2px);border-color:#2f71d53d;background:linear-gradient(180deg,#eaf4ffeb,#fffaf1d6);box-shadow:0 14px 28px #2f71d51f}.tone-good{background:#2d8b7317}.tone-warn{background:#f1bb6229}.list-card strong,.detail-card strong,.metric-card strong,.artifact-card strong,.mini-card strong,.hero-stat strong{display:block}.hero-grid,.detail-grid{display:grid;gap:1rem}.hero-grid{grid-template-columns:minmax(0,1.28fr) minmax(320px,1fr);margin-bottom:1rem}.academy-banner{align-items:stretch}.hero-block{display:grid;gap:.9rem;align-content:start}.academy-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-card{display:grid;gap:.42rem;align-content:start}.detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-card,.admin-card{display:grid;gap:.82rem}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:.55rem;font-weight:800}.card-heading-main,.card-heading-actions{display:inline-flex;align-items:center;gap:.55rem}.card-heading-actions{flex-wrap:wrap;justify-content:end}.artifact-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.bullet-chip-list{display:flex;flex-wrap:wrap;gap:.55rem}.material-selection{grid-template-columns:repeat(auto-fit,minmax(160px,max-content));align-items:start}.artifact-card{display:grid;gap:.55rem}.artifact-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.nested-session-list{display:grid;gap:.75rem;margin-top:.95rem;padding-top:.95rem;border-top:1px solid rgba(23,48,70,.08)}.nested-session-list h3{margin:0;font-size:1rem;font-family:Avenir Next,Gill Sans,Trebuchet MS,sans-serif}.user-directory{max-height:320px;overflow:auto;padding-right:.2rem}.user-list-item{display:flex;align-items:start;justify-content:space-between;gap:.8rem}.user-list-item p,.user-list-item small{margin:.2rem 0 0;color:var(--ink-soft)}.row-actions{display:flex;flex-wrap:wrap;gap:.75rem}.hero-cta-row{align-items:center}.upload-picker-card{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;width:-moz-fit-content;width:fit-content;padding:.84rem 1.14rem;border-radius:999px;border:1px dashed rgba(47,113,213,.34);background:#ffffffe6;color:var(--brand-strong);font-weight:700;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.upload-picker-card:hover{transform:translateY(-1px);border-color:#2f71d58f;background:#f0f8ffeb}.inline-link,.text-button,.primary-button,.ghost-button,.collapse-button{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;width:-moz-fit-content;width:fit-content;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.primary-button,.ghost-button,.text-button,.collapse-button{border-radius:999px;border:1px solid transparent;padding:.84rem 1.14rem}.primary-button{background:linear-gradient(135deg,#2d74d9,#58a5ff 56%,#6cd6bc);color:#fffefb;box-shadow:0 16px 30px #2f71d53d}.ghost-button{background:#ffffffd6;border-color:var(--line);color:var(--ink)}.collapse-button{background:#ffffffd1;border-color:var(--line);color:var(--ink-soft);padding:.55rem .9rem}.text-button{padding:0;background:transparent;color:var(--brand)}.danger-text{color:var(--danger)}.inline-link{color:var(--brand);font-weight:700}.primary-button:hover,.ghost-button:hover,.collapse-button:hover,.text-button:hover,.inline-link:hover{transform:translateY(-1px)}.checkbox-grid{display:grid}.checkbox-row{display:flex;align-items:center;gap:.75rem;padding:.7rem .8rem;border-radius:18px;background:#ffffffd1;border:1px solid var(--line)}.checkbox-row input{width:auto;margin:0}.visually-hidden-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.alert{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem;padding:.95rem 1rem;border-radius:18px}.alert.error{background:#bf4b5a1f;color:var(--danger)}.empty-state{display:grid;place-items:center;min-height:50vh;text-align:center;color:var(--ink-soft);border:1px dashed rgba(23,48,70,.18);border-radius:26px;background:#ffffff8f;padding:1.5rem}.loading-card{min-width:300px;display:grid;justify-items:center;gap:.85rem}.spin-icon,.tiny-icon{width:1rem;height:1rem}.spin-icon{width:2rem;height:2rem;animation:spin 1s linear infinite;color:var(--brand)}.mini-card p{margin:0;color:var(--ink-soft)}label{color:var(--ink);font-weight:700}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 1240px){.topbar,.dashboard-layout,.auth-shell,.hero-grid,.detail-grid{grid-template-columns:1fr}.academy-actions{justify-items:start}.academy-summary-grid{width:100%}}@media (max-width: 860px){.app-shell{width:min(100vw - 1rem,100%);padding-top:.55rem}.surface{border-radius:24px}.hero-surface,.auth-panel,.enrol-panel,.topbar,.rail,.content-panel,.side-panel{padding:1.1rem}.hero-stat-grid,.academy-summary-grid,.academy-metric-grid,.metric-grid,.artifact-grid{grid-template-columns:1fr}.brand-lockup{flex-direction:column}.brand-mark{width:62px;height:62px}.hero-brand-card{width:100%}.hero-brand-mark{width:70px;height:70px}}