:root{--bg:#f5f6fa;--card:#fff;--text:#1c1e26;--muted:#6b7080;--border:#e3e5ec;--primary:#3d5afe;--primary-hover:#2f49e0;--danger:#e53935;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#14161c;--card:#1e2129;--text:#e8e9ee;--muted:#9095a5;--border:#2d313c}}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}h1{margin:0 0 8px;font-size:1.4rem}a{color:var(--primary)}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:6px 12px}button:disabled{opacity:.6;cursor:default}button.primary{background:var(--primary);border-color:var(--primary);color:#fff;padding:10px 16px}button.primary:hover:not(:disabled){background:var(--primary-hover)}button.primary.big{border-radius:14px;padding:18px 40px;font-size:1.15rem}button.danger{color:var(--danger)}button.link{color:var(--primary);background:0 0;border:none;padding:4px}input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:8px;margin-top:4px;padding:10px 12px}label{color:var(--muted);font-size:.9rem;display:block}.muted{color:var(--muted)}.error{color:var(--danger);margin:0}.center{place-items:center;min-height:100vh;display:grid}.center-text{text-align:center}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:14px;padding:24px;display:flex}.auth-page{place-items:center;min-height:100vh;padding:16px;display:grid}.auth-page .card{width:100%;max-width:380px}.code-input{letter-spacing:.5em;text-align:center;font-size:1.6rem}.header{z-index:10;background:var(--card);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 16px;display:flex;position:sticky;top:0}.logo{font-weight:600}.burger{flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:8px;display:flex}.burger span{background:var(--text);border-radius:2px;height:2px;display:block}.backdrop{z-index:20;background:#0000004d;position:fixed;inset:0}.menu{z-index:30;background:var(--card);border-right:1px solid var(--border);flex-direction:column;gap:4px;width:260px;padding:24px 12px;display:flex;position:fixed;top:0;bottom:0;left:0}.menu a,.menu button{text-align:left;color:var(--text);background:0 0;border:none;border-radius:8px;padding:12px 14px;font-size:1rem;text-decoration:none}.menu a.active{background:var(--bg);font-weight:600}.menu button.danger{color:var(--danger);margin-top:auto}.main{max-width:860px;margin:0 auto;padding:24px 16px}.upload-hero{place-items:center;min-height:30vh;display:grid}.progress{grid-template-columns:1fr 2fr auto;align-items:center;gap:12px;margin-bottom:8px;display:grid}.bar{background:var(--border);border-radius:4px;height:8px;overflow:hidden}.bar>div{background:var(--primary);height:100%;transition:width .2s}.file-list{flex-direction:column;gap:8px;margin:16px 0 0;padding:0;list-style:none;display:flex}.file-list li{background:var(--card);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:10px;display:flex}.thumb{background:var(--bg);border-radius:6px;flex-shrink:0;place-items:center;width:48px;height:48px;font-size:1.6rem;display:grid;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%}.info{flex-direction:column;flex:1;min-width:0;display:flex}.info .name{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.info .muted{font-size:.85rem}.actions{flex-shrink:0;gap:4px;display:flex}.icon-btn{border:1px solid var(--border);background:var(--card);width:36px;height:36px;color:var(--muted);cursor:pointer;border-radius:8px;place-items:center;padding:0;display:inline-grid}.icon-btn:hover{color:var(--text);border-color:var(--muted)}.icon-btn.active{color:var(--primary)}.icon-btn.danger:hover{color:var(--danger);border-color:var(--danger)}button.with-icon{align-items:center;gap:6px;display:inline-flex}.list-toolbar{justify-content:flex-end;margin-top:16px;display:flex}.list-toolbar+.file-list{margin-top:8px}.sort-select{color:var(--muted);align-items:center;gap:6px;display:inline-flex}.sort-select select{font:inherit;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:6px 8px}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.password-field{align-items:center;gap:6px;margin-top:4px;display:flex}.password-field input{margin-top:0}.password-field .icon-btn{flex-shrink:0;width:42px;height:42px}.toast{z-index:60;background:var(--text);color:var(--bg);border-radius:10px;padding:10px 16px;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.info .muted{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.header-user{min-width:0;color:var(--text);align-items:center;gap:8px;margin-left:auto;text-decoration:none;display:flex}.header-user:hover .header-user-name{color:var(--primary)}.header-user-name{text-overflow:ellipsis;white-space:nowrap;max-width:40vw;overflow:hidden}.avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:30px;height:30px;font-size:.9rem;font-weight:600;display:grid}a.logo{color:var(--text);text-decoration:none}.header-subtitle{text-overflow:ellipsis;white-space:nowrap;margin-left:auto;overflow:hidden}a.button{white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}a.button.primary{background:var(--primary);color:#fff;padding:10px 16px}a.button.primary:hover{background:var(--primary-hover)}.with-icon{gap:6px}.shared-toolbar{justify-content:space-between;align-items:center;gap:12px;margin-top:12px;display:flex}.shared-toolbar h1{text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.file-list a.name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-weight:500;text-decoration:none;overflow:hidden}.file-list a.name:hover{color:var(--primary)}a.thumb{text-decoration:none}.shared-file-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.shared-file-head h1{overflow-wrap:anywhere}.shared-media{cursor:zoom-in;background:#000;border:none;border-radius:10px;width:100%;max-height:70vh;padding:0;display:block;overflow:hidden}.shared-media img{object-fit:contain;width:100%;max-height:70vh;display:block}video.shared-media{cursor:default}@media (width<=600px){.actions .icon-btn{width:32px;height:32px}.file-list li{gap:8px}}.upload-hero{align-content:center;gap:12px}.thumb{cursor:pointer;border:none;padding:0;position:relative}.play-badge{color:#fff;background:#0009;border-radius:4px;padding:1px 4px;font-size:.65rem;position:absolute;bottom:3px;right:3px}button.link-like{text-align:left;cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:none;padding:0;overflow:hidden}button.link-like:hover{color:var(--primary)}.breadcrumbs{color:var(--muted);margin-bottom:4px;font-size:.95rem}.breadcrumbs a{text-decoration:none}.thumb{color:var(--muted)}.folder-thumb{color:#f0b429}.dialog-backdrop{z-index:40;background:#0006;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.dialog{width:100%;max-width:420px;max-height:80vh}.dialog h1{overflow-wrap:anywhere;font-size:1.1rem}.dialog-actions{justify-content:flex-end;align-items:center;gap:8px;display:flex}.dialog-actions a{margin-right:auto}.folder-options{flex-direction:column;gap:4px;display:flex;overflow-y:auto}.folder-options button{text-align:left;border:none;padding:10px}.folder-options button:hover:not(:disabled){background:var(--bg)}.viewer{z-index:50;background:#000;flex-direction:column;display:flex;position:fixed;inset:0}.viewer-top{color:#fff;align-items:center;gap:12px;padding:10px 16px;display:flex}.viewer-title{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.viewer-top a{color:#fff}.viewer-top button{color:#fff;background:0 0;border:none;font-size:1.3rem}.viewer-stage{flex:1;place-items:center;min-height:0;padding:0 56px 24px;display:grid}.viewer-stage img,.viewer-stage video{object-fit:contain;max-width:100%;max-height:100%}.viewer-stage img{cursor:zoom-in}.viewer-stage.zoomed{padding:0;display:block;overflow:auto}.viewer-stage.zoomed img{cursor:zoom-out;max-width:none;max-height:none}.viewer-nav{color:#fff;background:#ffffff1a;border:none;width:44px;height:64px;font-size:2rem;position:absolute;top:50%;transform:translateY(-50%)}.viewer-nav.prev{left:6px}.viewer-nav.next{right:6px}@media (width<=600px){.viewer-stage{padding:0 0 12px}}.profile dl{grid-template-columns:max-content 1fr;gap:10px 24px;margin:0;display:grid}.profile dt{color:var(--muted)}.profile dd{margin:0}.header{padding-top:calc(10px + env(safe-area-inset-top));padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right))}.menu{padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}.main{padding-bottom:calc(24px + env(safe-area-inset-bottom))}.auth-page{padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(16px + env(safe-area-inset-bottom))}.viewer-top{padding-top:calc(10px + env(safe-area-inset-top))}.viewer-stage{padding-bottom:calc(24px + env(safe-area-inset-bottom))}.toast{bottom:calc(24px + env(safe-area-inset-bottom))}