:root{--accent: #3690ff;--accent-dim: #2f80e0;--ink: #3d3d3d;--ink-strong: #2c2c2c;--muted: #999999;--line: #e3e3e3;--dash: #adadad;--hairline: #959595;--tile: #f2f2f2;--folder: #dcb05e;--bg: #ffffff;--danger: #c80a0a;--type-pdf: #c80a0a;--type-word: #2a5699;--type-excel: #25894d;--type-other: #6b7280;--page-pad: 15px;--grid-gap: 2px;--radius-sm: 6px;--radius-md: 12px;--zone-height: 73px;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box;touch-action:manipulation}body{margin:0;background:var(--bg);color:var(--ink);overscroll-behavior-y:none}button{font:inherit;color:inherit;border:none;background:none;padding:0;cursor:pointer}.screen{min-height:100vh;display:flex;flex-direction:column;padding:12px var(--page-pad) calc(24px + env(safe-area-inset-bottom))}.head{display:flex;align-items:center;gap:10px;min-height:32px;margin:8px 0 16px}.head-title{flex:1;min-width:0;margin:0;font-size:21px;font-weight:700;line-height:26px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.head-actions{flex:none;display:flex;align-items:center;gap:8px}.fab{position:relative;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center}.fab:active{background:var(--accent-dim)}.fab:disabled{opacity:.45}.fab-badge{position:absolute;top:-3px;right:-3px;min-width:14px;height:12px;padding:0 4px;border-radius:6px;background:#ea2b2b;color:#fff;font-size:9px;font-weight:600;line-height:12px;text-align:center;font-variant-numeric:tabular-nums}.head-folder{flex:none;display:flex}.dropzone{display:flex;align-items:center;justify-content:center;gap:10px;height:var(--zone-height);margin-bottom:14px;border:2px dashed var(--dash);border-radius:var(--radius-md);color:var(--ink);font-size:14px;transition:border-color .15s,background .15s}.dropzone--over,.dropzone:active{border-color:var(--accent);background:#3690ff0f}.screen--drag{outline:2px dashed var(--accent);outline-offset:-6px;background:#3690ff0a}.panel{display:flex;flex-direction:column;height:var(--zone-height);margin-bottom:14px;padding:7px 8px;border-radius:var(--radius-sm);background:var(--accent);box-shadow:0 2px 7px #00000040;color:#fff}.panel-track{height:5px;margin:5px 4px 0;border-radius:3px;background:#7bb7ff;overflow:hidden}.panel-track span{display:block;height:100%;border-radius:3px;background:#fff;transition:width .15s linear}.panel-status{margin-top:auto;padding-bottom:4px;text-align:center;font-size:12px;line-height:15px}.panel-status b{font-weight:700}.panel-label{font-size:12px;line-height:15px}.panel-row{display:flex;gap:3px;margin-top:5px}.panel-input{flex:1;min-width:0;height:39px;padding:0 9px;border:none;border-radius:2px;background:#fff;color:#444;font-size:16px;font-family:inherit}.panel-input:focus{outline:none}.panel-ok{flex:none;width:31px;height:39px;border-radius:2px;background:#fff;color:var(--accent);display:grid;place-items:center}.panel-ok:active{background:#eef5ff}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}.tile{position:relative;aspect-ratio:1;background:var(--tile);overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;-webkit-user-select:none;user-select:none}.tile--selected{outline:2px solid var(--accent);outline-offset:-2px}.tile--dragging{transform:scale(1.06);box-shadow:0 6px 18px #00000047;opacity:.9;z-index:3}.tile{-webkit-touch-callout:none}.tile:active{filter:brightness(.96)}.tile-folder-icon{flex:none;margin-bottom:8px}.tile-folder-wrap{position:relative;display:inline-flex;margin-bottom:8px}.tile-folder-wrap .tile-folder-icon{margin-bottom:0}.tile-folder-count{position:absolute;right:-4px;bottom:-2px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--ink-strong);color:#fff;font-size:10px;font-weight:600;line-height:16px;text-align:center;font-variant-numeric:tabular-nums}.tile-label{position:absolute;left:6px;right:6px;bottom:10px;font-size:12px;line-height:15px;color:var(--ink-strong);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tile--file{gap:0;justify-content:flex-end;background-size:cover;background-position:center}.tile-media{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;transition:opacity .2s ease}.tile-media--hidden{opacity:0}.tile-glyph{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center}.tile-glyph svg{width:33%;height:33%}.tile-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;width:30px;height:30px;border-radius:50%;background:#ffffffeb;color:var(--ink);display:grid;place-items:center;padding-left:2px;box-shadow:0 1px 4px #00000040;pointer-events:none}.tile-caption{position:relative;z-index:1;width:100%;padding:12px 6px 5px;background:linear-gradient(to bottom,#0000,#0000008c);color:#fff;font-size:12px;line-height:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tile-check{position:absolute;top:6px;left:6px;z-index:2;width:20px;height:20px;border-radius:5px;background:#fff;display:grid;place-items:center;color:transparent}.tile-check:before{content:"";position:absolute;top:-10px;left:-10px;width:40px;height:40px}.tile-check--on{background:var(--accent);color:#fff}.tile-actions{position:absolute;top:6px;right:6px;z-index:2;display:flex;align-items:center;height:24px;border-radius:var(--radius-sm);background:#fff;overflow:hidden}.tile-actions button{width:28px;height:24px;display:grid;place-items:center;color:var(--muted)}.tile-actions button:active{background:var(--tile)}.tile-actions button+button{border-left:1px solid var(--line)}.tile-unread-badge{position:absolute;top:34px;right:6px;z-index:2;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:#ea2b2b;color:#fff;font-size:10px;font-weight:600;line-height:16px;text-align:center;font-variant-numeric:tabular-nums}.empty{padding:48px 16px;text-align:center;color:var(--muted);font-size:14px;line-height:20px}.empty .button{margin-top:14px}.button{display:inline-block;padding:9px 18px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:14px;font-weight:500}.button:active{background:var(--accent-dim)}.button--ghost{background:none;color:var(--muted)}.button--ghost:active{background:var(--tile)}@keyframes shimmer{to{transform:translate(100%)}}.skeleton{position:relative;overflow:hidden;background:var(--tile)}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:shimmer 1.2s infinite}@media (prefers-reduced-motion: reduce){.skeleton:after{animation:none}}.viewer{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:0}.viewer-track{display:flex;gap:4px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 calc(-1 * var(--page-pad));padding:0 var(--page-pad)}.viewer-track::-webkit-scrollbar{display:none}.viewer-slide{position:relative;flex:0 0 100%;aspect-ratio:1;scroll-snap-align:center;background:var(--tile);overflow:hidden}.viewer-media{width:100%;height:100%;object-fit:cover;display:block}.viewer-media--contain{object-fit:contain;background:#000}.viewer-caption{position:absolute;left:0;right:0;bottom:0;padding:16px 10px 6px;background:linear-gradient(to bottom,#0000,#00000080);color:#fff;font-size:13px;line-height:16px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-download{position:absolute;top:6px;right:6px;width:25px;height:25px;border-radius:var(--radius-sm);background:#fff;color:var(--muted);display:grid;place-items:center}.viewer-nav{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:#fff;color:var(--hairline);display:grid;place-items:center;box-shadow:0 1px 4px #0000002e;z-index:2}.viewer-nav--prev{left:2px}.viewer-nav--next{right:2px}.viewer-nav:disabled{opacity:0;pointer-events:none}.viewer-stage{position:relative}.doc{flex:1;min-height:0}.doc-loading{padding:48px 0;text-align:center;color:var(--muted);font-size:14px}.doc-pages{display:flex;flex-direction:column;gap:8px}.doc-page{background:var(--tile);border-radius:2px;box-shadow:0 1px 3px #00000024;overflow:hidden;aspect-ratio:1 / 1.414}.doc-page canvas{display:block;width:100%}.doc-page:has(canvas[width]){aspect-ratio:auto}.doc-frame{display:block;width:100%;height:74vh;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}.doc-text{margin:0;padding:12px;border-radius:var(--radius-sm);background:var(--tile);color:var(--ink-strong);font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word}.splash{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:var(--bg)}.splash-mark{width:125px;height:125px}.splash-title{font-size:32px;font-weight:700;line-height:38px;color:var(--accent)}@keyframes splash-pulse{0%,to{opacity:1}50%{opacity:.55}}.splash-mark,.splash-title{animation:splash-pulse 1.6s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.splash-mark,.splash-title{animation:none}}