:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#17211d;background:#f6f2ea;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#ffffffb8,#fff0),#f6f2ea}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.app-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:24px 0 40px}.app-shell.centered{min-height:100vh;display:grid;place-items:center;text-align:center}.loading-dot{width:18px;height:18px;margin:0 auto 12px;border:3px solid #c8d8cf;border-top-color:#1f8a70;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.notice{position:sticky;top:12px;z-index:20;display:flex;align-items:center;gap:10px;width:min(760px,100%);margin:0 auto 18px;padding:12px 14px;border:1px solid #e3ba56;border-radius:8px;color:#3d2d08;background:#fff6dc;box-shadow:0 12px 24px #4d381214}.notice span{flex:1}.notice button{border:0;color:#725113;background:transparent;font-weight:700}.auth-panel,.payment-panel{min-height:calc(100vh - 80px);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,440px);align-items:center;gap:40px}.auth-panel h1,.course-summary h1{max-width:660px;margin:8px 0 16px;font-size:clamp(2.4rem,6vw,5.2rem);line-height:.98;letter-spacing:0}.payment-panel h2,.quiz-modal h2,.setup-panel h2{margin:0;font-size:1.35rem;letter-spacing:0}.eyebrow{margin:0;color:#1f8a70;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.muted{max-width:720px;margin:0;color:#60716a;line-height:1.7}.auth-form,.payment-panel,.setup-panel{border:1px solid #e1ddd1;border-radius:8px;background:#ffffffc7;box-shadow:0 18px 45px 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16px;color:#fff;background:#1f8a70}.primary-button:hover:not(:disabled),.secondary-button:hover:not(:disabled),.ghost-button:hover:not(:disabled),.quiz-button:hover:not(:disabled),.material-button:hover:not(:disabled),.icon-button:hover:not(:disabled){transform:translateY(-1px)}.secondary-button{padding:0 14px;color:#183c34;border-color:#bad7ce;background:#e9f5f1}.ghost-button{padding:0 14px;color:#42504a;border-color:#dfd9c7;background:#fffaf0}.form-message{margin:0;color:#1f8a70;font-weight:700}.price-box{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px;border:1px solid #e7d7a9;border-radius:8px;background:#fff9e9}.price-box span{color:#665937;font-weight:700}.price-box strong{font-size:1.8rem}.trust-row{display:flex;align-items:center;gap:10px;color:#60716a;line-height:1.5}.dashboard-shell{display:grid;gap:22px}.course-header{display:grid;grid-template-columns:minmax(280px,.92fr) minmax(0,1.08fr);gap:24px;align-items:stretch;min-height:360px}.course-cover{position:relative;min-height:320px;overflow:hidden;border-radius:8px;border:1px solid #ded9ca;background:#e9efe9}.course-cover img{width:100%;height:100%;display:block;object-fit:cover}.course-summary{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:28px;border:1px solid #dfd9c7;border-radius:8px;background:#ffffffb3}.header-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric{min-height:96px;display:grid;grid-template-columns:auto 1fr;align-items:start;gap:8px 10px;padding:16px;border:1px solid #e0dac8;border-radius:8px;background:#ffffffc2}.metric span{color:#60716a;font-size:.92rem;font-weight:700}.metric strong{grid-column:1 / -1;min-width:0;overflow-wrap:anywhere;font-size:1.4rem}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;align-items:start}.weeks-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.week-card{display:grid;gap:14px;min-height:262px;padding:18px;border:1px solid #ded9ca;border-radius:8px;background:#ffffffd6}.week-card.is-locked{background:#fbf8f0d6}.week-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.week-kicker{color:#bf6b3a;font-size:.78rem;font-weight:900;text-transform:uppercase}.week-card h3{margin:4px 0 0;font-size:1.15rem;letter-spacing:0}.week-card p{margin:0;color:#5c6d66;line-height:1.55}.status-pill{flex:0 0 auto;display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;font-size:.78rem;font-weight:900}.status-pill.open{color:#0f5f4d;background:#dff3ec}.status-pill.locked{color:#6a4d12;background:#f8e9bd}.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.material-button{min-width:0;padding:0 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