:root{--bg: #f5f5f7;--surface: #ffffff;--text: #1d1d1f;--text2: #6e6e73;--text3: #a1a1a6;--accent: #0071e3;--accent-hover: #0077ed;--accent-soft: rgba(0, 113, 227, .1);--green: #34c759;--gold: #f0a500;--red: #ff3b30;--orange: #ff9500;--border: #d2d2d7;--border-light: #e5e5ea;--radius: 14px;--radius-lg: 18px;--shadow: 0 4px 24px rgba(0, 0, 0, .07);--shadow-lg: 0 18px 50px rgba(0, 0, 0, .18);--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;--mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", 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var(--border-light)}.admin-tab{border:1px solid var(--border);background:#fff;padding:8px 18px;border-radius:980px;font-size:13.5px;font-family:inherit;cursor:pointer;color:var(--text2);transition:all .15s ease}.admin-tab:hover{border-color:var(--accent);color:var(--accent)}.admin-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:500}.chip-list{display:flex;flex-wrap:wrap;gap:8px}.rank-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}@media (max-width: 1400px){.rank-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 760px){.rank-grid{grid-template-columns:minmax(0,1fr)}}.rank-card{display:flex;flex-direction:column;min-width:0}.rank-grid .card+.card{margin-top:0}.rank-card .table-wrap{min-height:0;overflow:hidden}.rank-card .table{table-layout:fixed}.rank-card .table th,.rank-card .table td{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-card .table th:first-child,.rank-card .table td:first-child{width:46px}.rank-card .table th:last-child,.rank-card .table td:last-child{width:72px}.rank-card .card-title{display:flex;align-items:center;gap:8px}.rank-sub{font-size:12px;color:var(--text3);font-weight:400}.table-compact tbody td{padding-top:7px;padding-bottom:7px}.rank-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text3);font-size:13px}.batch-bar{display:flex;align-items:center;gap:10px;padding:10px 16px;margin-bottom:12px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;font-size:13px;color:var(--text2)}.table tbody tr.row-selected{background:var(--bg2)}.table th.sort-active{color:var(--accent)}.table input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.chip{padding:6px 14px;border-radius:980px;border:1px solid var(--border);background:#fff;font-size:13px;cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none}.chip:hover{border-color:var(--accent)}.chip.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:500}.upload-drop{border:1.5px dashed var(--border);border-radius:12px;padding:26px;text-align:center;color:var(--text2);cursor:pointer;transition:border-color .15s ease,background .15s ease}.upload-drop:hover{border-color:var(--accent);background:#0071e308}.upload-drop input{display:none}.upload-file{margin-top:10px;font-size:13px;color:var(--text);background:#f5f5f7;border-radius:8px;padding:8px 12px;word-break:break-all}@media (max-width: 1100px){.typing-layout{flex-direction:column}.typing-side{width:100%;position:static;display:grid;grid-template-columns:1fr 1fr;gap:14px}.typing-side .side-card{margin-bottom:0}}@media (max-width: 860px){.sidebar{width:64px;padding:16px 8px}.sidebar-brand .name,.nav-item .label,.sidebar-user .meta{display:none}.nav-item{justify-content:center;padding:10px}.sidebar-brand{justify-content:center;padding:0 0 14px}.main{padding:20px 16px}.form-grid{grid-template-columns:1fr}}