:root{color-scheme:light dark;--surface-app: radial-gradient(circle at top left, #fdf1e5, #f6f0ff 45%, #eef7ff 100%);--surface-card: #ffffff;--surface-card-translucent: rgba(255, 255, 255, .85);--surface-card-translucent-mid: rgba(255, 255, 255, .8);--surface-card-translucent-soft: rgba(255, 255, 255, .7);--surface-sunken: #f8fafc;--surface-sunken-strong: #f1f5f9;--surface-code: #f6f8fa;--surface-overlay: rgba(15, 23, 42, .45);--surface-track: #e2e8f0;--surface-track-muted: #cbd5e1;--surface-login: linear-gradient(140deg, #f8fafc 0%, #fffbeb 45%, #eff6ff 100%);--surface-login-shell: rgba(255, 255, 255, .76);--surface-login-hero: linear-gradient(165deg, rgba(249, 115, 22, .13), rgba(251, 191, 36, .05), rgba(15, 23, 42, .03));--surface-login-card: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(248, 250, 252, .94));--surface-login-grid: linear-gradient(to right, rgba(15, 23, 42, .03) 1px, transparent 1px), linear-gradient(to bottom, rgba(15, 23, 42, .03) 1px, transparent 1px);--text-primary: #0f172a;--text-emphasis: #1e293b;--text-body: #334155;--text-secondary: #475569;--text-muted: #64748b;--text-faint: #94a3b8;--text-inverse: #f8fafc;--text-on-accent: #ffffff;--text-on-warm: #fff7ed;--border-default: #e2e8f0;--border-strong: #cbd5e1;--border-faint: #f1f5f9;--border-accent: #dbeafe;--border-subtle: rgba(15, 23, 42, .08);--border-success: #bbf7d0;--border-info: #bfdbfe;--border-danger: #fecaca;--border-danger-strong: #fca5a5;--state-danger-text: #b91c1c;--state-danger-surface: #fef2f2;--state-danger-surface-strong: #fee2e2;--state-danger-surface-faint: #fff5f5;--state-success-text: #166534;--state-success-surface: #f0fdf4;--state-success-surface-strong: #dcfce7;--state-info-text: #1d4ed8;--state-info-text-strong: #0369a1;--state-info-surface: #eff6ff;--state-info-surface-strong: #e0f2fe;--state-warn-text: #d97706;--state-warn-text-strong: #9a3412;--state-warn-surface: #fff3e6;--accent-eyebrow: #c2410c;--accent-primary: #0f172a;--accent-nav-active: #111827;--accent-link: #0284c7;--accent-focus-ring: #7dd3fc;--danger-solid: #b91c1c;--accent-brand-gradient: linear-gradient(135deg, #ffb44c, #ff7a5a);--accent-upload-gradient: linear-gradient(135deg, #f59e0b, #ea580c);--accent-login-gradient: linear-gradient(135deg, #0f172a, #1e293b);--accent-progress-gradient: linear-gradient(90deg, #0ea5e9, #22c55e);--accent-progress-done-gradient: linear-gradient(90deg, #16a34a, #22c55e);--accent-progress-error-gradient: linear-gradient(90deg, #ef4444, #f97316);--accent-progress-paused-gradient: linear-gradient(90deg, #f59e0b, #fbbf24);--accent-progress-shimmer: linear-gradient(90deg, transparent, rgba(14, 165, 233, .6), transparent);--shadow-08: rgba(15, 23, 42, .08);--shadow-14: rgba(15, 23, 42, .14);--shadow-16: rgba(15, 23, 42, .16);--shadow-18: rgba(15, 23, 42, .18);--shadow-26: rgba(15, 23, 42, .26);--shadow-nav: rgba(17, 24, 39, .2);--shadow-upload: rgba(234, 88, 12, .28)}@media(prefers-color-scheme:dark){:root{--surface-app: radial-gradient(circle at top left, #1e1b2e, #17182b 45%, #111827 100%);--surface-card: #1e293b;--surface-card-translucent: rgba(30, 41, 59, .85);--surface-card-translucent-mid: rgba(30, 41, 59, .8);--surface-card-translucent-soft: rgba(30, 41, 59, .7);--surface-sunken: #273449;--surface-sunken-strong: #334155;--surface-code: #111827;--surface-overlay: rgba(2, 6, 23, .65);--surface-track: #334155;--surface-track-muted: #475569;--surface-login: linear-gradient(140deg, #0f172a 0%, #1c1917 45%, #172033 100%);--surface-login-shell: rgba(30, 41, 59, .76);--surface-login-hero: linear-gradient(165deg, rgba(249, 115, 22, .16), rgba(251, 191, 36, .06), rgba(255, 255, 255, .03));--surface-login-card: linear-gradient(180deg, rgba(30, 41, 59, .94), rgba(39, 52, 73, .94));--surface-login-grid: linear-gradient(to right, rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(to bottom, rgba(255, 255, 255, .04) 1px, transparent 1px);--text-primary: #e2e8f0;--text-emphasis: #f1f5f9;--text-body: #cbd5e1;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-faint: #8b9ab0;--text-inverse: #0f172a;--text-on-accent: #ffffff;--text-on-warm: #fff7ed;--border-default: #334155;--border-strong: #475569;--border-faint: #273449;--border-accent: #1e40af;--border-subtle: rgba(255, 255, 255, .08);--border-success: #166534;--border-info: #1e40af;--border-danger: #7f1d1d;--border-danger-strong: #b91c1c;--state-danger-text: #fca5a5;--state-danger-surface: #431a1a;--state-danger-surface-strong: #5b2121;--state-danger-surface-faint: #3a1c1c;--state-success-text: #86efac;--state-success-surface: #14321f;--state-success-surface-strong: #14532d;--state-info-text: #93c5fd;--state-info-text-strong: #7dd3fc;--state-info-surface: #1a2b47;--state-info-surface-strong: #12385a;--state-warn-text: #fcd34d;--state-warn-text-strong: #fdba74;--state-warn-surface: #3a2a12;--accent-eyebrow: #fdba74;--accent-primary: #e2e8f0;--accent-nav-active: #e2e8f0;--accent-link: #38bdf8;--accent-focus-ring: #38bdf8;--danger-solid: #dc2626;--accent-brand-gradient: linear-gradient(135deg, #c2703a, #b8543c);--accent-upload-gradient: linear-gradient(135deg, #b45309, #9a3412);--accent-login-gradient: linear-gradient(135deg, #e2e8f0, #cbd5e1);--accent-progress-gradient: linear-gradient(90deg, #0284c7, #16a34a);--accent-progress-done-gradient: linear-gradient(90deg, #15803d, #16a34a);--accent-progress-error-gradient: linear-gradient(90deg, #dc2626, #ea580c);--accent-progress-paused-gradient: linear-gradient(90deg, #d97706, #f59e0b);--accent-progress-shimmer: linear-gradient(90deg, transparent, rgba(56, 189, 248, .6), transparent);--shadow-08: rgba(0, 0, 0, .35);--shadow-14: rgba(0, 0, 0, .45);--shadow-16: rgba(0, 0, 0, .5);--shadow-18: rgba(0, 0, 0, .5);--shadow-26: rgba(0, 0, 0, .55);--shadow-nav: rgba(0, 0, 0, .4);--shadow-upload: rgba(234, 88, 12, .28)}.preview-text.hljs{color:#c9d1d9;background:transparent}.preview-text .hljs-doctag,.preview-text .hljs-keyword,.preview-text .hljs-meta .hljs-keyword,.preview-text .hljs-template-tag,.preview-text .hljs-template-variable,.preview-text .hljs-type,.preview-text .hljs-variable.language_{color:#ff7b72}.preview-text .hljs-title,.preview-text .hljs-title.class_,.preview-text .hljs-title.function_{color:#d2a8ff}.preview-text .hljs-attr,.preview-text .hljs-attribute,.preview-text .hljs-literal,.preview-text .hljs-meta,.preview-text .hljs-number,.preview-text .hljs-operator,.preview-text .hljs-variable,.preview-text .hljs-selector-attr,.preview-text .hljs-selector-class,.preview-text .hljs-selector-id{color:#79c0ff}.preview-text .hljs-regexp,.preview-text .hljs-string,.preview-text .hljs-meta .hljs-string{color:#a5d6ff}.preview-text .hljs-built_in,.preview-text .hljs-symbol{color:#ffa657}.preview-text .hljs-code,.preview-text .hljs-comment,.preview-text .hljs-formula{color:#8b949e}.preview-text .hljs-name,.preview-text .hljs-quote,.preview-text .hljs-selector-tag,.preview-text 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36px}.topbar-main{display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:14px}.logo{width:44px;height:44px;border-radius:14px;background:var(--accent-brand-gradient);display:grid;place-items:center;font-weight:700;color:var(--text-emphasis)}.brand-title{font-size:1.05rem;font-weight:700;margin:0}.brand-sub{margin:0;font-size:.8rem;color:var(--text-muted)}.pathbar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:var(--surface-card-translucent);border:1px solid var(--border-default);font-size:.9rem;flex-wrap:wrap}.path-root{border:none;background:var(--surface-sunken-strong);color:var(--text-primary);border-radius:8px;padding:5px 10px;font-weight:700;cursor:pointer}.path-chip{padding:4px 10px;border-radius:8px;background:var(--surface-card);color:var(--text-emphasis);font-weight:600;border:1px solid var(--border-accent);cursor:pointer;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;min-width:0}.up-btn{margin-left:auto}.user-pill{padding:8px 12px;border-radius:999px;background:var(--state-warn-surface);color:var(--state-warn-text-strong);font-size:.82rem;font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:12px;background:var(--surface-card);box-shadow:0 10px 25px var(--shadow-08)}.search input{border:none;outline:none;font-size:.9rem;width:180px;font-family:inherit}.search-icon{color:var(--text-faint);font-weight:700}.btn{border:none;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer;font-family:inherit}.btn.small{padding:6px 10px;font-size:.8rem}.btn.primary{background:var(--accent-primary);color:var(--text-inverse);box-shadow:0 12px 24px 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var(--border-default);border-radius:16px;padding:12px;display:grid;gap:10px}.upload-header{display:flex;align-items:center;justify-content:space-between}.upload-list{display:grid;gap:10px}.upload-item{display:grid;gap:6px;border-radius:12px;background:var(--surface-sunken);padding:10px}.upload-meta{display:grid;gap:2px}.upload-name{margin:0;font-weight:600;font-size:.85rem;overflow-wrap:anywhere}.upload-sub{margin:0;color:var(--text-muted);font-size:.75rem}.upload-actions{display:flex;justify-content:flex-end}.storage{margin-top:20px}.storage-title{font-weight:700;margin-bottom:10px}.storage-bar{height:8px;border-radius:999px;background:var(--surface-track);overflow:hidden}.storage-bar-fill{display:block;width:32%;height:100%;background:var(--accent-progress-gradient)}.storage-meta{font-size:.8rem;color:var(--text-muted);margin-top:8px}.content{display:grid;gap:24px;min-width:0}.content.drag-over{outline:2px dashed var(--accent-link);outline-offset:-10px;border-radius:20px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 4px}.pagination-meta{margin:0;color:var(--text-secondary);font-size:.86rem}.pagination-actions{display:flex;gap:8px}.auth-panel{background:var(--surface-card);border-radius:20px;padding:24px;box-shadow:0 14px 24px var(--shadow-08);display:grid;gap:12px;justify-items:start}.summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.summary-card{background:var(--surface-card);border-radius:20px;padding:14px 16px;box-shadow:0 14px 24px var(--shadow-08)}.summary-label{margin:0;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.summary-value{margin:6px 0 3px;font-size:1.05rem;font-weight:700;overflow-wrap:anywhere}.summary-note{margin:0;font-size:.78rem;color:var(--text-muted);overflow-wrap:anywhere}.list{background:var(--surface-card-translucent);border-radius:24px;padding:16px 22px 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12px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);align-items:center}.header-sort{border:none;background:transparent;color:inherit;font:inherit;text-transform:inherit;letter-spacing:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:0}.sort-indicator{font-weight:700;color:var(--text-primary)}.list-body{display:grid;gap:8px}.list-row{display:grid;grid-template-columns:28px minmax(0,2.4fr) minmax(0,1fr) minmax(6rem,1fr) minmax(4.5rem,.6fr) minmax(2.5rem,.8fr);column-gap:10px;align-items:center;padding:12px 8px;border-radius:14px;transition:background .2s ease}.list-row:hover{background:var(--surface-sunken)}.list-row.selected{background:var(--state-info-surface)}.list-row:focus-visible{outline:2px solid var(--accent-focus-ring);outline-offset:-2px}.list-row.drop-target,.path-chip.drop-target{outline:2px dashed 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0;font-size:.75rem;color:var(--text-faint);word-break:break-all}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.tag{font-size:.7rem;background:var(--surface-sunken-strong);color:var(--text-secondary);border-radius:999px;padding:2px 8px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lock-owner,.modified,.size{margin:0;color:var(--text-secondary);font-size:.9rem}.lock-owner{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-actions{display:flex;justify-content:flex-start;gap:8px;position:relative}.icon-btn{width:32px;height:32px;border-radius:10px;border:1px solid var(--border-default);background:var(--surface-card);font-size:1.2rem;cursor:pointer;display:grid;place-items:center;flex-shrink:0}.menu{position:absolute;top:40px;right:0;min-width:160px;max-height:min(360px,calc(100vh - 80px));overflow-y:auto;overscroll-behavior:contain;padding:8px;border-radius:12px;background:var(--surface-card);box-shadow:0 18px 30px var(--shadow-16);display:grid;gap:6px;z-index:10}.menu.upward{top:auto;bottom:40px}.menu-item{border:none;background:var(--surface-sunken);color:var(--text-primary);padding:8px 10px;border-radius:10px;text-align:left;font-weight:600;cursor:pointer;font-family:inherit}.menu-item:disabled,.btn:disabled{opacity:.45;cursor:not-allowed}.menu-item.danger{color:var(--state-danger-text)}.row-progress{grid-column:1 / -1;margin-top:8px;padding:10px 12px;border-radius:12px;background:var(--surface-sunken);display:grid;gap:6px}.progress-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px 8px;font-size:.8rem;color:var(--text-secondary)}.progress-status{flex:1 1 12rem;min-width:0;overflow-wrap:anywhere}.progress-meta .btn{flex-shrink:0}.progress-title{font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.7rem}.progress-bar{position:relative;width:100%;height:6px;background:var(--surface-track);border-radius:999px;overflow:hidden}.progress-bar.indeterminate:after{content:"";position:absolute;inset:0;background:var(--accent-progress-shimmer);background-size:40% 100%;background-repeat:no-repeat;animation:progress-indeterminate 1.2s linear infinite}@keyframes progress-indeterminate{0%{background-position:-40% 0}to{background-position:140% 0}}.progress-bar-fill{display:block;height:100%;background:var(--accent-progress-gradient);transition:width .2s ease}.progress-bar-fill.done{background:var(--accent-progress-done-gradient)}.progress-bar-fill.error{background:var(--accent-progress-error-gradient)}.progress-bar-fill.paused{background:var(--accent-progress-paused-gradient)}.progress-bar-fill.canceled{background:var(--surface-track-muted)}.panel-status{margin:12px 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