:root{--bg: #ffffff;--bg-soft: #f8f9fa;--surface: #ffffff;--surface-hover: #f1f3f4;--border: #dadce0;--border-light: #e8eaed;--text: #202124;--text-muted: #5f6368;--text-light: #80868b;--accent: #1a73e8;--accent-hover: #185abc;--accent-bg: #e8f0fe;--danger: #d93025;--danger-bg: #fce8e6;--chip-bg: #f1f3f4;--chip-active-bg: #e8f0fe;--chip-active-text: #1a73e8;--radius: 8px;--radius-pill: 24px;--font-display: "Google Sans", "Roboto", sans-serif;--font-body: "Roboto", sans-serif;--font-mono: "JetBrains Mono", monospace;--topbar-h: 64px}*{box-sizing:border-box}html{overflow-x:hidden;max-width:100%}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased}body{overflow-x:hidden;max-width:100vw;overscroll-behavior-x:none}.hidden{display:none!important}.mono{font-family:var(--font-mono);font-size:12px}.material-symbols-rounded{font-family:Material Symbols Rounded;font-weight:400;font-style:normal;font-size:22px;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-feature-settings:"liga";-webkit-font-smoothing:antialiased;font-variation-settings:"FILL" 0,"wght" 300,"GRAD" 0,"opsz" 24}.material-symbols-rounded.small{font-size:18px}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-soft)}.auth-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 36px;box-shadow:0 1px 3px #3c404326}.brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}.logo-dot{width:40px;height:40px;border-radius:50%;background:var(--accent-bg);display:flex;align-items:center;justify-content:center;color:var(--accent)}.logo-dot .material-symbols-rounded{font-size:22px;font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.brand-name{font-family:var(--font-display);font-weight:500;font-size:22px;letter-spacing:-.02em;display:block;line-height:1}.brand-tag{font-size:12px;color:var(--text-muted);letter-spacing:.02em}.brand-sub{color:var(--text-muted);font-size:13.5px;line-height:1.6;margin:12px 0 24px}.auth-form{display:flex;flex-direction:column;gap:8px}.auth-form label{font-size:13px;color:var(--text-muted);font-weight:500}.input-wrap{position:relative;display:flex;align-items:center;margin-bottom:16px}.input-wrap .input-icon{position:absolute;left:12px;color:var(--text-light);font-size:20px;pointer-events:none}.input-wrap input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px 12px 40px;color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.auth-error{color:var(--danger);font-size:13px;margin-top:10px}.auth-status{color:var(--text-muted);margin-top:10px}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:24px;padding:10px 24px;font-family:var(--font-display);font-weight:500;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,box-shadow .15s}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 1px 3px #3c40434d}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary .material-symbols-rounded{font-size:18px}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--accent);border-radius:20px;padding:8px 16px;cursor:pointer;font-size:13px;font-weight:500;transition:background .15s;display:inline-flex;align-items:center;gap:6px}.btn-ghost:hover{background:var(--accent-bg);border-color:var(--accent-bg)}.btn-ghost.small{padding:6px 14px;font-size:12px}.btn-ghost .material-symbols-rounded{font-size:18px}.btn-danger-solid{background:var(--danger);color:#fff;border:none;border-radius:20px;padding:10px 22px;font-weight:500;font-size:14px;cursor:pointer}.btn-danger-solid:hover{background:#b3261e}.icon-btn{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s;flex-shrink:0}.icon-btn:hover{background:var(--surface-hover);color:var(--text)}.icon-btn.small{width:32px;height:32px}.icon-btn.danger:hover{background:var(--danger-bg);color:var(--danger)}.icon-btn .material-symbols-rounded{font-size:22px}.app{min-height:100vh;display:flex;flex-direction:column;max-width:100vw}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--bg);border-bottom:1px solid var(--border-light);gap:16px;height:var(--topbar-h);box-sizing:border-box}.topbar-left{display:flex;align-items:center;gap:8px}.topbar-logo{display:flex;align-items:center;gap:10px}.logo-photos{width:40px;height:40px;position:relative;display:flex;align-items:center;justify-content:center}.logo-photos .l{position:absolute;width:14px;height:14px;border-radius:2px}.logo-photos .l1{background:#4285f4;left:6px;top:6px;border-radius:4px 2px 2px}.logo-photos .l2{background:#ea4335;right:6px;top:6px;border-radius:2px 4px 2px 2px}.logo-photos .l3{background:#fbbc04;left:6px;bottom:6px;border-radius:2px 2px 2px 4px}.logo-photos .l4{background:#34a853;right:6px;bottom:6px;border-radius:2px 2px 4px}.logo-text{font-family:var(--font-display);font-size:22px;color:var(--text-muted);font-weight:400;letter-spacing:-.02em}.topbar-search{flex:1;max-width:720px;display:flex;align-items:center;gap:8px;background:var(--chip-bg);border-radius:24px;padding:0 16px;height:46px;transition:background .15s,box-shadow .15s}.topbar-search:focus-within{background:var(--bg);box-shadow:0 1px 6px #3c404333}.topbar-search .search-icon{color:var(--text-muted);font-size:20px}.topbar-search input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:var(--text);font-size:15px}.topbar-search input::placeholder{color:var(--text-muted)}.topbar-actions{display:flex;align-items:center;gap:4px}.avatar{width:32px;height:32px;border-radius:50%;background:#8ab4f8;color:#202124;display:flex;align-items:center;justify-content:center;font-weight:500;font-size:14px;margin-left:4px}.sync-indicator{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--accent-bg);border-radius:16px;font-size:12px;color:var(--accent);font-weight:500}.sync-indicator .material-symbols-rounded{font-size:16px;animation:spin 1s linear infinite}.drag-overlay{position:fixed;inset:0;z-index:400;background:#ffffffe6;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center}.drag-card{text-align:center;border:2px dashed var(--accent);border-radius:16px;padding:48px 64px;background:var(--accent-bg)}.drag-card .material-symbols-rounded{font-size:48px;color:var(--accent);margin-bottom:12px}.drag-card h3{margin:0 0 6px;font-family:var(--font-display)}.drag-card p{margin:0;color:var(--text-muted);font-size:13px}.app-body{display:flex;flex:1;min-height:0;max-width:100vw}.sidebar{width:256px;flex-shrink:0;position:sticky;top:var(--topbar-h);align-self:flex-start;height:calc(100vh - var(--topbar-h));max-height:calc(100vh - var(--topbar-h));height:calc(100dvh - var(--topbar-h));max-height:calc(100dvh - var(--topbar-h));padding:8px 12px 12px 0;display:flex;flex-direction:column;gap:0;overflow-y:auto;overflow-x:hidden;box-sizing:border-box}.btn-new{margin:0 0 8px 12px;align-self:flex-start;display:inline-flex;align-items:center;gap:12px;background:var(--bg);border:none;color:var(--text);border-radius:16px;padding:14px 24px 14px 16px;font-family:var(--font-display);font-weight:500;font-size:14px;cursor:pointer;box-shadow:0 1px 3px #3c40434d,0 4px 8px #3c404326;transition:box-shadow .15s,background .15s}.btn-new:hover{box-shadow:0 2px 6px #3c40434d,0 6px 12px #3c404326;background:var(--bg-soft)}.btn-new .material-symbols-rounded{font-size:22px}.btn-import-x{margin:0 0 12px 12px;box-shadow:none;border:1px solid var(--border);padding:14px 24px 14px 16px;border-radius:16px}.btn-import-x:hover{box-shadow:none;background:var(--surface-hover)}.btn-import-x .material-symbols-rounded{color:var(--text-muted)}.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding-right:8px;margin-top:4px}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 24px;border-radius:0 24px 24px 0;color:var(--text);text-decoration:none;font-size:14px;font-weight:400;transition:background .15s}.sidebar-item .material-symbols-rounded{color:var(--text-muted);font-size:20px}.sidebar-item:hover{background:var(--surface-hover)}.sidebar-item.active{background:var(--accent-bg);color:var(--accent);font-weight:500}.sidebar-item.active .material-symbols-rounded{color:var(--accent);font-variation-settings:"FILL" 1,"wght" 300,"GRAD" 0,"opsz" 24}.sidebar-footer{margin-top:auto;padding:16px 12px 16px 24px;border-top:1px solid var(--border-light);display:flex;flex-direction:column;gap:10px}.storage-info{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted)}.storage-info .material-symbols-rounded{font-size:20px;color:var(--text-muted)}.storage-meta{flex:1;min-width:0}.storage-text{font-weight:500;color:var(--text);display:block}.storage-bar{height:4px;background:var(--border-light);border-radius:2px;margin-top:4px;overflow:hidden}.storage-fill{height:100%;background:var(--accent);width:0%;border-radius:2px;transition:width .3s}.storage-link{font-size:12px;color:var(--text-muted);text-decoration:none;display:flex;align-items:center;gap:6px}.storage-link .material-symbols-rounded{font-size:16px}.sidebar-backdrop{position:fixed;inset:0;z-index:15;background:#0006}@media(min-width:961px){.sidebar-backdrop{display:none!important}.sidebar{transition:width .22s ease,min-width .22s ease,padding .22s ease,opacity .2s ease,transform .22s ease}.app-body.sidebar-collapsed .sidebar{width:0;min-width:0;padding-left:0;padding-right:0;opacity:0;pointer-events:none;overflow:hidden;border-right:0}}.main-area{flex:1;min-width:0;max-width:100%;overflow-x:hidden;background:var(--bg)}.selection-bar{position:sticky;top:var(--topbar-h);z-index:9;display:flex;align-items:center;justify-content:space-between;padding:8px 24px;background:var(--bg);border-bottom:1px solid var(--border-light);animation:slideDown .2s ease;max-width:100%;box-sizing:border-box;overflow-x:hidden;gap:12px}@keyframes slideDown{0%{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}.selection-left{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500}.selection-actions{display:flex;align-items:center;gap:4px}.toolbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px 8px;gap:16px;flex-wrap:wrap;max-width:100%;overflow-x:hidden;box-sizing:border-box}.toolbar-left{display:flex;align-items:baseline;gap:10px;min-width:0;flex-shrink:1}.toolbar-title{font-family:var(--font-display);font-size:22px;font-weight:400;color:var(--text);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toolbar-count{font-size:13px;color:var(--text-muted);white-space:nowrap;flex-shrink:0}.toolbar-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;min-width:0;max-width:100%}.toolbar-divider{width:1px;height:24px;background:var(--border);flex-shrink:0}.filter-chips{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;min-width:0;max-width:100%;padding-bottom:2px}.filter-chips::-webkit-scrollbar{display:none}.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--bg);color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap;flex-shrink:0}.chip .material-symbols-rounded{font-size:16px}.chip:hover{background:var(--surface-hover)}.chip.active{background:var(--chip-active-bg);border-color:var(--chip-active-bg);color:var(--chip-active-text)}.sort-select{border:1px solid var(--border);border-radius:20px;padding:6px 12px;font-size:13px;color:var(--text);background:var(--bg);cursor:pointer;outline:none;flex-shrink:0;max-width:100%}.sort-select:focus{border-color:var(--accent)}.view-toggle{display:flex;gap:2px;border:1px solid var(--border);border-radius:20px;padding:2px}.view-btn{width:36px;height:32px;border-radius:16px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center}.view-btn:hover{background:var(--surface-hover)}.view-btn.active{background:var(--accent-bg);color:var(--accent)}.view-btn .material-symbols-rounded{font-size:20px}.batch-progress{position:sticky;top:var(--topbar-h);z-index:9;padding:12px 24px;background:var(--accent-bg);border-bottom:1px solid var(--border-light);max-width:100%;box-sizing:border-box;overflow-x:hidden}.batch-progress-info{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted);margin-bottom:8px}.batch-label{display:flex;align-items:center;gap:6px;font-weight:500;color:var(--text)}.batch-label .material-symbols-rounded{font-size:18px;color:var(--accent)}.batch-progress-count{color:var(--accent);font-weight:700}.batch-progress-bar{height:4px;background:#1a73e826;border-radius:2px;overflow:hidden}.batch-progress-fill{height:100%;width:0%;background:var(--accent);transition:width .2s;border-radius:2px}.grid-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-auto-rows:auto;gap:8px;padding:12px 24px 24px;align-content:start;width:100%;max-width:100%;box-sizing:border-box;overflow-x:hidden}.grid-container.view-list{display:flex;flex-direction:column;gap:1px;padding-top:8px}.grid-container.view-list{background:var(--border-light)}.grid-container.view-list .file-card{background:var(--bg)}.date-group-header{grid-column:1 / -1;padding:20px 4px 8px;font-family:var(--font-display);font-size:15px;font-weight:500;color:var(--text)}.date-group-header:first-child{padding-top:8px}.file-card{position:relative;background:var(--surface);border-radius:8px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:box-shadow .15s;border:1px solid transparent}.file-card:hover{box-shadow:0 1px 6px #3c404333}.file-card.selected{outline:2px solid var(--accent);outline-offset:-2px;border-radius:8px}.card-checkbox{position:absolute;top:8px;left:8px;z-index:3;width:22px;height:22px;border-radius:50%;border:1.5px solid #fff;background:#00000059;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;box-shadow:0 1px 3px #0000004d}.card-checkbox .material-symbols-rounded{font-size:14px;color:#fff;opacity:0;transition:opacity .15s;font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.file-card:hover .card-checkbox{background:#0000008c}.file-card.selected .card-checkbox{background:var(--accent);border-color:var(--accent)}.file-card.selected .card-checkbox .material-symbols-rounded{opacity:1}.file-card:hover .card-checkbox .material-symbols-rounded{opacity:.9}.card-lock{position:absolute;top:8px;right:8px;z-index:2;width:22px;height:22px;border-radius:50%;background:#00000073;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center}.card-lock .material-symbols-rounded{font-size:12px;color:#fff}.card-delete{position:absolute;top:8px;right:36px;z-index:3;width:28px;height:28px;border-radius:50%;border:none;background:#0000008c;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity .15s}.file-card:hover .card-delete{opacity:1}.card-delete:hover{background:var(--danger)}.card-delete .material-symbols-rounded{font-size:16px}.thumb-wrap{position:relative;width:100%;aspect-ratio:1;overflow:hidden;background:var(--bg-soft);display:flex;align-items:center;justify-content:center}.thumb-wrap .file-icon .material-symbols-rounded{font-size:40px;color:var(--text-light)}.thumb-img{width:100%;height:100%;object-fit:cover;display:block}.play-badge{position:absolute;inset:0;margin:auto;width:36px;height:36px;background:#0009;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-size:0;pointer-events:none}.play-badge .material-symbols-rounded{font-size:20px;font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24;margin-left:2px}.file-info{padding:8px 10px 10px;display:flex;flex-direction:column;gap:2px;min-width:0}.file-name{font-size:13px;font-weight:400;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-size:11px;color:var(--text-muted);display:flex;align-items:center;gap:6px}.file-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-light)}.file-card.uploading{opacity:.7;pointer-events:none}.upload-progress{height:3px;width:100%;background:var(--border-light);overflow:hidden}.upload-progress-fill{height:100%;width:0%;background:var(--accent);transition:width .15s}.grid-container.view-list .file-card{flex-direction:row;align-items:center;border-radius:0;padding:6px 16px;gap:16px;border:none;border-bottom:1px solid var(--border-light)}.grid-container.view-list .file-card:hover{box-shadow:none;background:var(--surface-hover)}.grid-container.view-list .thumb-wrap{width:40px;height:40px;border-radius:4px;flex-shrink:0;aspect-ratio:unset}.grid-container.view-list .thumb-wrap .file-icon .material-symbols-rounded{font-size:20px}.grid-container.view-list .play-badge{width:20px;height:20px}.grid-container.view-list .play-badge .material-symbols-rounded{font-size:12px}.grid-container.view-list .file-info{flex:1;flex-direction:row;align-items:center;gap:12px;padding:0}.grid-container.view-list .file-name{flex:1}.grid-container.view-list .file-meta{flex-shrink:0;min-width:120px;justify-content:flex-end}.grid-container.view-list .card-checkbox{position:static;background:var(--bg);border-color:var(--border);box-shadow:none}.grid-container.view-list .card-checkbox .material-symbols-rounded{color:#fff}.grid-container.view-list .card-lock,.grid-container.view-list .card-delete{position:static;opacity:1;background:transparent;color:var(--text-muted);box-shadow:none;backdrop-filter:none}.grid-container.view-list .card-delete:hover{color:var(--danger);background:var(--danger-bg)}.grid-container.view-list .upload-progress{display:none}.grid-container.view-list .date-group-header{background:var(--bg-soft);padding:12px 16px 8px;font-size:13px;color:var(--text-muted);border-bottom:1px solid var(--border-light)}.empty-state{grid-column:1 / -1;text-align:center;padding:80px 20px;color:var(--text-muted)}.empty-illustration{width:96px;height:96px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.empty-illustration .material-symbols-rounded{font-size:48px;color:var(--text-light)}.empty-state h2{font-family:var(--font-display);color:var(--text);font-size:20px;font-weight:400;margin:0 0 8px}.empty-state p{font-size:14px;max-width:360px;margin:0 auto 20px;line-height:1.5}.no-results{text-align:center;padding:60px 20px;color:var(--text-muted)}.no-results .material-symbols-rounded{font-size:48px;color:var(--text-light);margin-bottom:12px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#323232;color:#fff;padding:14px 20px;border-radius:8px;font-size:14px;box-shadow:0 4px 12px #00000040;z-index:100;max-width:90vw;display:flex;align-items:center;gap:12px}.toast.error{background:var(--danger)}.preview-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center}.preview-backdrop{position:absolute;inset:0;background:#202124d9;backdrop-filter:blur(4px)}.preview-panel{position:relative;width:100%;height:100%;max-width:100vw;max-height:100vh;max-height:100dvh;background:#202124;display:flex;flex-direction:column;overflow:hidden;box-sizing:border-box}.preview-header{display:flex;align-items:center;justify-content:space-between;padding:8px 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pre{width:100%;max-height:80vh;overflow:auto;font-family:var(--font-mono);font-size:13px;white-space:pre-wrap;word-break:break-word;margin:0;color:#e8eaed;background:#202124;padding:20px;border-radius:8px}.preview-fallback{text-align:center;color:#9aa0a6;font-size:14px}.preview-fallback .material-symbols-rounded{font-size:48px;display:block;margin-bottom:12px}.preview-loading{color:#9aa0a6;font-size:14px;display:flex;align-items:center;gap:10px}.preview-loading:before{content:"";width:16px;height:16px;border:2px solid #5f6368;border-top-color:#e8eaed;border-radius:50%;animation:spin .7s linear infinite}.preview-info{width:360px;flex-shrink:0;background:#202124;border-left:1px solid #3c4043;padding:24px;overflow-y:auto;color:#e8eaed}.preview-info h3{font-size:16px;font-weight:400;margin:0 0 16px;display:flex;align-items:center;gap:8px}.preview-info h3 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.material-symbols-rounded{font-size:16px;color:#9aa0a6}#feed-caption-pill-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.feed-nav{width:48px;height:48px;border-radius:50%;border:none;background:#fff;color:#202124;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 1px 6px #0000004d;flex-shrink:0;transition:background .15s,transform .15s,opacity .15s}.feed-nav:hover{background:#f8f9fa;transform:scale(1.04)}.feed-nav:active{transform:scale(.96)}.feed-nav:disabled{opacity:.35;cursor:default;transform:none;pointer-events:none}.feed-nav .material-symbols-rounded{font-size:28px}.feed-hint{text-align:center;color:#9aa0a6;font-size:12px;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px 14px;pointer-events:none}.feed-hint .material-symbols-rounded{font-size:16px}@media(max-width:768px){.feed-topbar{height:56px;padding:6px 12px}.feed-main{padding:0;gap:0}.feed-stage{max-height:calc(100vh - 96px);border-radius:0;max-width:100%}.feed-video{border-radius:0}.feed-nav{display:none}.feed-caption-pill{left:12px;bottom:12px;font-size:12px;padding:6px 12px}}.btn-fab{display:none;position:fixed;right:20px;bottom:24px;z-index:50;width:56px;height:56px;border-radius:16px;background:var(--accent);color:#fff;border:none;cursor:pointer;box-shadow:0 2px 8px #00000040;align-items:center;justify-content:center}.btn-fab .material-symbols-rounded{font-size:26px}.btn-fab:active{transform:scale(.96)}.btn-fab-secondary{bottom:90px;background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-fab-tertiary{bottom:156px}@media(max-width:960px){.sidebar{position:fixed;left:0;top:55px;z-index:16;background:var(--bg);box-shadow:2px 0 12px #00000026;transform:translate(-100%);transition:transform .25s 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.icon-btn{width:36px;height:36px}.avatar{width:30px;height:30px;font-size:13px}.selection-bar{top:var(--topbar-h);padding:8px 12px;max-width:100vw;box-sizing:border-box}.selection-bar .selection-left{min-width:0}.toolbar{padding:10px 12px 6px;gap:10px}.toolbar-left{flex:1;min-width:0}.toolbar-title{font-size:18px}.toolbar-right{gap:8px}.toolbar-divider{display:none}.filter-chips{gap:6px;padding-bottom:2px;max-width:calc(100vw - 24px)}.chip{padding:6px 12px;font-size:12px}.sort-select{padding:6px 10px;font-size:12px}.view-toggle{flex-shrink:0}.grid-container{padding:8px 12px 12px;gap:6px;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;max-width:100%;box-sizing:border-box}.file-card{min-width:0}.thumb-wrap{aspect-ratio:1}.file-info{padding:6px 8px 8px}.file-name{font-size:12px}.file-meta{font-size:10px;gap:4px}.batch-progress{top:var(--topbar-h);padding:10px 12px;max-width:100vw;box-sizing:border-box;left:0;right:0}.drag-card{padding:32px 24px;margin:16px;max-width:calc(100vw - 32px);box-sizing:border-box}.auth-card{padding:28px 20px;margin:12px;max-width:calc(100vw - 24px);box-sizing:border-box}.preview-header{padding:6px 12px;height:56px;gap:8px}.preview-name{font-size:14px}.preview-body{padding:12px}.confirm-panel{margin:16px;max-width:calc(100vw - 32px);box-sizing:border-box;padding:24px 20px 20px}.import-x-input{font-size:16px}.toast{left:12px;right:12px;transform:none;max-width:none;width:auto;bottom:12px;box-sizing:border-box}.feed-topbar{padding:6px 8px;gap:8px}.feed-title{font-size:14px}.feed-counter{font-size:11px;padding:3px 8px}.btn-fab{right:12px;bottom:12px;width:52px;height:52px}.btn-fab-secondary{bottom:74px}.btn-fab-tertiary{bottom:136px}}@media(max-width:380px){.grid-container{grid-template-columns:repeat(2,minmax(0,1fr))}.chip{padding:5px 10px;font-size:11.5px}}