:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0f1117;--surface: #161822;--surface-2: #1c1f2e;--surface-3: #252839;--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .14);--text: #e2e4ed;--text-dim: #8b8fa3;--accent: #6366f1;--accent-hover: #818cf8;--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .15);--yellow: #fbbf24;--radius: 8px;--radius-sm: 5px;--shadow-sm: 0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);--shadow-md: 0 4px 12px rgba(0,0,0,.35), 0 2px 4px rgba(0,0,0,.2);--shadow-lg: 0 10px 30px rgba(0,0,0,.45), 0 4px 8px rgba(0,0,0,.25)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text)}button{cursor:pointer;font:inherit;border:none;background:none;color:inherit}input{font:inherit;color:inherit}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:260px;min-width:220px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;box-shadow:var(--shadow-sm);z-index:10}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:20px 16px 12px;border-bottom:1px solid var(--border)}.app-title{font-size:1.05rem;font-weight:700;letter-spacing:-.02em;color:var(--text)}.add-folder-btn{width:28px;height:28px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:1.1rem;font-weight:600;display:grid;place-items:center;transition:background .15s}.add-folder-btn:hover{background:var(--accent-hover)}.folder-list{flex:1;overflow-y:auto;padding:8px}.folder-nav-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius);cursor:pointer;transition:background .12s;-webkit-user-select:none;user-select:none}.folder-nav-item:hover{background:var(--surface-2)}.folder-nav-item.active{background:var(--surface-3);box-shadow:inset 0 0 0 1px var(--border-hover)}.folder-nav-name{flex:1;font-size:.88rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-nav-count{font-size:.72rem;color:var(--text-dim);background:var(--surface-2);padding:1px 7px;border-radius:999px;min-width:20px;text-align:center}.empty-hint{text-align:center;color:var(--text-dim);font-size:.82rem;padding:24px 0}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}.total-label{font-size:.75rem;color:var(--text-dim)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.topbar{padding:16px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.search-box{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:0 12px;max-width:420px;transition:border-color .15s,box-shadow .15s}.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126}.search-box svg{color:var(--text-dim);flex-shrink:0}.search-box input{flex:1;background:none;border:none;outline:none;padding:9px 0;font-size:.88rem;color:var(--text)}.search-box input::placeholder{color:var(--text-dim)}.content-area{flex:1;overflow-y:auto;padding:24px}.content-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.content-header h2{font-size:1.15rem;font-weight:600;letter-spacing:-.01em}.result-count{font-size:.78rem;font-weight:400;color:var(--text-dim);margin-left:10px}.icon-btn{width:26px;height:26px;border-radius:var(--radius-sm);display:grid;place-items:center;font-size:1rem;color:var(--text-dim);transition:background .12s,color .12s}.icon-btn:hover{background:var(--surface-3);color:var(--text)}.icon-btn.danger:hover{background:var(--danger-dim);color:var(--danger)}.btn-sm{padding:5px 14px;font-size:.8rem;font-weight:600;border-radius:var(--radius-sm);background:var(--accent);color:#fff;transition:background .15s}.btn-sm:hover{background:var(--accent-hover)}.btn-primary{padding:8px 18px;font-size:.85rem;font-weight:600;border-radius:var(--radius);background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);transition:background .15s,box-shadow .15s}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-md)}.inline-form{display:flex;gap:6px;padding:8px}.inline-form.wide{margin-bottom:16px}.inline-form input{flex:1;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;font-size:.85rem;outline:none;transition:border-color .15s}.inline-form input:focus{border-color:var(--accent)}.file-list{display:flex;flex-direction:column;gap:2px}.file-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:var(--radius);transition:background .1s}.file-row:hover{background:var(--surface-2)}.file-info{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.file-name{font-size:.88rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-folder-badge{font-size:.7rem;color:var(--text-dim);background:var(--surface-3);padding:2px 8px;border-radius:999px;margin-left:6px;flex-shrink:0}.file-meta{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:12px}.file-type-label{font-size:.72rem;text-transform:capitalize;color:var(--text-dim);min-width:50px;text-align:right}.file-size{font-size:.76rem;color:var(--text-dim);font-variant-numeric:tabular-nums;min-width:56px;text-align:right}.file-actions{display:flex;align-items:center;gap:2px;position:relative}.move-dropdown{position:absolute;top:100%;right:0;margin-top:4px;background:var(--surface-2);border:1px solid var(--border-hover);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:160px;z-index:50;padding:4px;animation:dropIn .12s ease-out}@keyframes dropIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.move-dropdown-header{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);padding:6px 10px 4px}.move-dropdown-item{display:block;width:100%;text-align:left;padding:6px 10px;font-size:.82rem;border-radius:var(--radius-sm);transition:background .1s}.move-dropdown-item:hover{background:var(--accent);color:#fff}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:64px 24px;text-align:center}.empty-state p{color:var(--text-dim);font-size:.92rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff1f}@media(max-width:700px){.app-shell{flex-direction:column}.sidebar{width:100%;min-width:unset;max-height:40vh;border-right:none;border-bottom:1px solid var(--border)}.file-meta .file-type-label{display:none}}