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36px}.publicHero .kicker{color:var(--gold-bright);font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}.publicHero h1{font-family:var(--font-display);font-size:clamp(3rem,9vw,5.4rem);font-weight:600;letter-spacing:.08em;text-transform:uppercase;line-height:.92;color:#f4f1ea}.publicHero p{margin-top:14px;max-width:40ch;color:#c5ccc8;font-size:1.05rem}.publicShell .card{background:color-mix(in srgb,#161816 88%,transparent);border-color:#2a2c2a;color:#f4f1ea}.publicShell .muted,.publicShell .pageSubtitle,.publicShell p{color:#c5ccc8}.publicShell .pageTitle{color:#f4f1ea}.publicShell .input{background:#121412;border-color:#2a2c2a;color:#f4f1ea}.publicShell .brandMark{background:var(--gold-bright);color:var(--ink)}.brandMark--lg{width:56px;height:56px;font-size:28px}.brandBook{width:min(880px,calc(100% - 2.5rem));margin:0 auto;padding:36px 0 40px;display:grid;gap:40px}.brandBook 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var(--border)}.appHeader-inner{max-width:1120px;height:100%;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.appHeader-left,.appHeader-right{display:flex;align-items:center;gap:12px}.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;color:var(--text);text-decoration:none}.brandName{font-size:1.35rem;line-height:1}.brandText{display:grid;gap:1px}.brandKicker{font-family:var(--font-sans);font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.brandMark{width:34px;height:34px;border-radius:999px;display:grid;place-items:center;background:var(--accent);color:#15120c;font-size:18px}.nav{display:flex;align-items:center;gap:8px}.navLink{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;padding:8px 12px;border-radius:999px;transition:background .15s ease,color .15s ease}.navLink:hover,.navLink.active{color:var(--text);background:var(--primary-soft)}.userBadge{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:8px 12px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:13px;background:var(--bg-elevated)}@media(max-width:768px){.appMain{padding:16px 16px 32px}.userBadge{display:none}}.tabBar{display:inline-flex;flex-wrap:wrap;gap:8px;padding:4px;border-radius:999px;border:1px solid var(--border);background:var(--bg-elevated)}.tabButton{min-height:38px;padding:8px 14px;border:none;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,color .15s ease}.tabButton:hover{color:var(--text)}.tabButton.active{background:var(--primary-soft);color:var(--primary)}.formGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}@media(max-width:768px){.formGrid{grid-template-columns:1fr}}.fieldLabel{display:grid;gap:8px;font-size:13px;font-weight:600;color:var(--muted)}.fieldLabel input,.fieldLabel select,.fieldLabel textarea{font-weight:400;color:var(--text)}.tableWrap{overflow-x:auto;margin-top:12px;border:1px solid var(--border);border-radius:var(--radius-sm)}.dataTable{width:100%;border-collapse:collapse;font-size:14px}.dataTable th,.dataTable td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}.dataTable th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:color-mix(in srgb,var(--bg) 70%,var(--card))}.dataTable tbody tr:hover{background:color-mix(in srgb,var(--primary) 4%,var(--card))}.dataTable tbody tr:last-child td{border-bottom:none}.codeBlock{margin-top:12px;padding:14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);font-size:12px;overflow-x:auto}@media(max-width:768px){.grid-2{grid-template-columns:1fr}.dataTable thead{display:none}.dataTable,.dataTable tbody,.dataTable tr,.dataTable td{display:block;width:100%}.dataTable tr{padding:12px 14px;border-bottom:1px solid var(--border)}.dataTable td{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:none}.dataTable td:before{content:attr(data-label);font-weight:600;color:var(--muted);flex-shrink:0}.tableWrap{border:none}}:root{--mobile-tab-height: 64px}.mobileShell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}.mobileMain{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;max-width:1100px;width:100%;margin:0 auto;padding:16px;padding-top:calc(16px + env(safe-area-inset-top,0px));padding-bottom:calc(16px + var(--mobile-tab-height) + env(safe-area-inset-bottom,0px))}.mobileTabBar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:stretch;min-height:var(--mobile-tab-height);padding-bottom:env(safe-area-inset-bottom,0px);background:color-mix(in srgb,var(--card) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border)}.mobileTab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:44px;padding:8px 4px;text-decoration:none;color:var(--muted);font-size:11px;font-weight:600}.mobileTab.active{color:var(--primary);background:var(--primary-soft);border-radius:14px;margin:6px 4px}.mobileTabIcon{font-size:22px;line-height:1;display:grid;place-items:center}.mobileTabLabel{line-height:1.1}.mobile-list-item{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;cursor:pointer}.mobileShell .button,.mobileShell .mobile-list-item,.mobileShell .student-item,.mobileShell .content-item.unlocked{min-height:44px}.mobileShell .button{padding:12px 16px}.mobileShell input,.mobileShell select,.mobileShell textarea{min-height:44px;font-size:16px}.mobileShell .grid-2{display:flex;flex-direction:column;gap:16px}.content-video{width:100%;max-height:70vh;border-radius:12px;border:1px solid var(--border);background:#000}.networkBanner{position:sticky;top:0;z-index:30;padding:10px 16px;text-align:center;font-size:13px;font-weight:600;color:#fff;background:#b45309}.mobileShell .networkBanner{top:env(safe-area-inset-top,0px)}.alert{padding:10px 12px;border-radius:10px;font-size:14px}.alert.error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}:root[data-theme=dark] .alert.error{color:#fecaca;background:#7f1d1d59;border-color:#f8717159}@media(max-width:768px){.appMain{padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px))}.appHeader-inner{padding:12px 16px}.grid-2{display:flex;flex-direction:column;gap:16px}}