.app-startup{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;min-height:100dvh;padding:24px;background:var(--bg)}.app-startup[data-ready=true]{pointer-events:none}.startup-identity{display:flex;flex-direction:column;align-items:center;text-align:center;margin-top:-4dvh}.startup-identity .teacher-mark{width:104px;height:104px;margin-bottom:20px}.startup-name{color:var(--text);font-size:1.5rem;font-weight:600;letter-spacing:-.045em;line-height:1.25}.startup-identity p{color:var(--muted);font-size:.8125rem;margin-top:10px}.startup-recovery{position:absolute;inset-inline:24px;bottom:max(32px,env(safe-area-inset-bottom));text-align:center;color:var(--muted);font-size:.8125rem;visibility:hidden;opacity:0;animation:startup-recovery 0s 6s forwards}@keyframes startup-recovery{to{visibility:visible;opacity:1}}.app-startup[data-ready=true] .startup-recovery{display:none}.startup-recovery .button{margin-top:6px}.no-script{min-height:100dvh;display:grid;place-content:center;padding:24px;text-align:center;gap:12px}:root[data-theme=light]{color-scheme:light;--bg: #f7f7f4;--surface: #fdfdfa;--surface-soft: #eeeee9;--text: #252523;--muted: #666660;--line: #ddddd6;--line-strong: #85857e;--accent: #2a2a28;--accent-hover: #43433e;--on-accent: #fff;--danger: #b42332;--focus: #343431;--ambient-1: #dadad4;--ambient-2: #e4e3db;--ambient-3: #f0efea;--sphere-ice: #b4d6fb;--sphere-mist: #c4cffa;--sphere-glow: #dbf1fc;--sphere-shadow: #315ce8;--overlay: #11111070;--shadow: 0 8px 32px #11111006}:root[data-theme=dark]{color-scheme:dark;--bg: #111111;--surface: #1a1a1a;--surface-soft: #282828;--text: #f2f2ef;--muted: #b1b1aa;--line: #3c3c39;--line-strong: #777773;--accent: #edede8;--accent-hover: #fff;--on-accent: #1b1b1b;--danger: #ff9b98;--focus: #edede8;--ambient-1: #484846;--ambient-2: #5c5b57;--ambient-3: #343433;--sphere-ice: #23416a;--sphere-mist: #38386b;--sphere-glow: #164b60;--sphere-shadow: #adc8ff;--overlay: #050505aa;--shadow: none}:root[data-theme=dark] .asset-image:after{border-color:#ffffff1a}:root[data-theme=light] .asset-image:after{border-color:#0000001a}:root[data-theme=dark] .lesson-file-image img,:root[data-theme=dark] .lesson-series-image img{outline-color:#ffffff1a}:root[data-theme=light] .lesson-file-image img,:root[data-theme=light] .lesson-series-image img{outline-color:#0000001a}:root[data-text-size=large]{font-size:18px}:root[data-text-size=extra-large]{font-size:20px}:root[data-gallery-density=compact] .virtual-row .asset-image{height:125px}:root[data-gallery-density=compact] .virtual-row{gap:10px;padding-bottom:12px}:root[data-reduced-motion=true]{--motion-press: 0ms;--motion-state: 0ms;--motion-overlay: 0ms;--motion-exit: 0ms;--motion-media: 0ms;--motion-route: 0ms}:root[data-reduced-motion=true] *,:root[data-reduced-motion=true] *:before,:root[data-reduced-motion=true] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}