:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{width:100%;min-height:100svh}body{background:#0d0d0d;margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.app{--pointer-x:-120px;--pointer-y:-120px;color:#e5e5e5;cursor:none;background:#0d0d0d;flex-direction:column;height:100svh;display:flex}.app *{cursor:none!important}.teaching-pointer{left:var(--pointer-x);top:var(--pointer-y);z-index:1000;opacity:0;pointer-events:none;width:112px;height:112px;transition:opacity 80ms ease-out;position:fixed;transform:translate(-18px,-8px)}.teaching-pointer.visible{opacity:1}.app-header{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#141414f2;border-bottom:1px solid #2a2a2a;justify-content:space-between;align-items:center;padding:12px 20px;transition:transform .25s ease-out;display:flex;position:fixed;top:0;left:0;right:0;transform:translateY(-100%)}.app-header.visible{transform:translateY(0)}.app-header h1{color:#f3f4f6;margin:0;font-size:20px;font-weight:500}.header-trigger{z-index:99;cursor:default;height:14px;position:fixed;top:0;left:0;right:0}.upload-button{color:#fff;cursor:pointer;background:#aa3bff;border-radius:6px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:background .2s,transform .1s;display:inline-flex}.upload-button:hover{background:#9630e6}.upload-button:active{transform:scale(.98)}.upload-button input[type=file]{opacity:0;pointer-events:none;width:0;height:0;position:absolute}.zoom-button{color:#fff;cursor:pointer;background:#2a2a2a;border:1px solid #3f3f46;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;font-size:20px;font-weight:500;line-height:1;transition:background .2s,border-color .2s;display:inline-flex}.zoom-button.zoom-reset{width:auto;padding:0 10px;font-size:14px;font-weight:600}.zoom-button:hover:not(:disabled){background:#3f3f46;border-color:#6b7280}.zoom-button:disabled{opacity:.4;cursor:not-allowed}.zoom-level{text-align:center;color:#d1d5db;font-variant-numeric:tabular-nums;min-width:48px;font-size:14px;font-weight:500}.app-main{flex:auto;min-height:0;position:relative;overflow:hidden}.viewer-container{box-sizing:border-box;scroll-behavior:auto;width:100%;height:100%;padding:20px;display:flex;overflow:auto}.viewer-frame{pointer-events:none;flex-shrink:0;justify-content:center;align-items:center;margin:auto;display:flex}.viewer-image{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;pointer-events:none;display:block}.viewer-info{z-index:90;color:#d1d5db;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:auto;background:#0009;border-radius:999px;justify-content:center;align-items:center;gap:16px;padding:8px 16px;font-size:13px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.viewer-name{text-overflow:ellipsis;white-space:nowrap;max-width:300px;overflow:hidden}.viewer-zoom-controls{align-items:center;gap:8px;display:flex}.viewer-empty{color:#9ca3af;justify-content:center;align-items:center;height:100%;font-size:16px;display:flex}.thumbnails-trigger{z-index:99;cursor:default;height:14px;position:fixed;bottom:0;left:0;right:0}.thumbnails-wrapper{z-index:100;transition:transform .25s ease-out;position:fixed;bottom:0;left:0;right:0;transform:translateY(100%)}.thumbnails-wrapper.visible{transform:translateY(0)}.thumbnails-bar{box-sizing:border-box;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#141414f2;border-top:1px solid #2a2a2a;height:110px;padding:12px 16px}.thumbnails-scroll{scrollbar-width:thin;scrollbar-color:#3f3f46 transparent;gap:10px;height:100%;padding-bottom:4px;display:flex;overflow:auto hidden}.thumbnails-scroll::-webkit-scrollbar{height:6px}.thumbnails-scroll::-webkit-scrollbar-thumb{background:#3f3f46;border-radius:3px}.thumbnail{aspect-ratio:1;cursor:pointer;background:#1f1f1f;border:2px solid #0000;border-radius:6px;flex:none;height:100%;padding:0;transition:border-color .2s,transform .1s;position:relative;overflow:hidden}.thumbnail:hover{border-color:#6b7280}.thumbnail.active{border-color:#aa3bff}.thumbnail img{object-fit:cover;width:100%;height:100%;display:block}.thumbnail-remove{color:#fff;opacity:0;cursor:pointer;background:#dc2626d9;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:14px;line-height:1;transition:opacity .2s;display:flex;position:absolute;top:4px;right:4px}.thumbnail:hover .thumbnail-remove{opacity:1}.thumbnail-remove:hover{background:#dc2626}@media (pointer:coarse){.app,.app *{cursor:auto!important}.teaching-pointer{display:none}}