:root{--bg: #f5f6f8;--panel: #ffffff;--text: #1f2329;--muted: #8f959e;--border: #e8eaed;--primary: #06a7ff;--primary-hover: #0095e8;--danger: #f54a45;--sidebar-w: 72px;--header-h: 56px;--radius: 8px;--font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;height:100%;font-family:var(--font);color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}button{font-family:inherit}.hidden{display:none!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:20px;padding:8px 18px;font-size:14px;cursor:pointer;background:#eef0f3;color:var(--text);transition:background .15s}.btn:hover{background:#e3e5e8}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover)}.btn.ghost{background:transparent;color:var(--muted)}.btn.danger{background:#fff1f0;color:var(--danger)}.btn.sm{padding:6px 12px;font-size:13px;border-radius:16px}.btn:disabled{opacity:.55;cursor:not-allowed}.empty{padding:48px 16px;text-align:center;color:var(--muted);font-size:14px}.error-text{color:var(--danger);font-size:13px;min-height:1.2em}.tabs{display:flex;gap:4px;margin-bottom:16px;flex-wrap:wrap}.tabs button{border:none;background:transparent;padding:8px 14px;border-radius:6px;color:var(--muted);cursor:pointer;font-size:14px}.tabs button.active{color:var(--primary);background:#06a7ff1a;font-weight:600}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:12px;font-size:13px;color:var(--muted)}.breadcrumb button{border:none;background:none;color:var(--primary);cursor:pointer;padding:0;font-size:inherit}.breadcrumb .sep{margin:0 2px;color:#c0c4cc}.file-table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:var(--radius);overflow:hidden}.file-table th,.file-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.file-table th{color:var(--muted);font-weight:500;background:#fafbfc}.file-table tr:hover td{background:#f7fbff}.file-table tr.clickable{cursor:pointer}.file-name{display:flex;align-items:center;gap:10px;font-weight:500}.file-icon{width:28px;height:28px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.file-icon.folder{background:#fff7e6}.file-icon.file{background:#eef6ff}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}.poster-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}.poster-card{position:relative;background:var(--panel);border-radius:10px;overflow:hidden;cursor:pointer;border:1px solid transparent;transition:border-color .15s,box-shadow .15s}.poster-card:hover{border-color:var(--primary);box-shadow:0 4px 16px #06a7ff1f}.poster{aspect-ratio:2/3;background:#eef1f5;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.poster img{width:100%;height:100%;object-fit:cover}.poster-title{padding:8px 10px 2px;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.poster-meta{padding:0 10px 10px;font-size:12px;color:var(--muted)}.fav-star{position:absolute;top:6px;right:6px;z-index:2;border:none;background:#00000059;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer}.fav-star.favorited{color:#ffd666}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.photo-cell{position:relative;aspect-ratio:1;background:#eef1f5;border-radius:8px;overflow:hidden}.photo-cell img{width:100%;height:100%;object-fit:cover;cursor:pointer}.photo-del{position:absolute;top:4px;right:4px;opacity:0}.photo-cell:hover .photo-del{opacity:1}