:root {
  --bg: #f4f6fa; --card: #ffffff; --line: #e3e8f0;
  --text: #1c2b3a; --muted: #7a8699;
  --primary: #2563eb; --primary-dark: #1d4ed8;
  --danger: #dc2626; --ok: #16a34a; --warn: #b45309;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.sm { font-size: 12px; }
.grow { flex: 1; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%); }
.login-card { background: var(--card); border-radius: 14px; padding: 36px 40px; width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.25); text-align: center; }
.login-logo { font-size: 44px; }
.login-card h1 { font-size: 20px; margin: 8px 0 4px; }
.login-sub { color: var(--muted); margin-bottom: 22px; }
.field { text-align: left; margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input { width: 100%; }
.login-tip { margin-top: 18px; font-size: 12px; color: var(--muted); background: #f1f5f9; border-radius: 8px; padding: 8px; }
.err { margin-top: 10px; color: var(--danger); font-size: 13px; }

/* 通用 */
input, textarea, select {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px; outline: none;
  font-family: inherit; background: #fff; color: var(--text);
}
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
textarea { width: 100%; resize: vertical; font-family: monospace; }
.btn { border: none; border-radius: 8px; padding: 9px 16px; font-size: 14px; cursor: pointer; background: #e2e8f0; color: var(--text); transition: .15s; }
.btn:hover { filter: brightness(.95); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--line); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.block { width: 100%; margin-top: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.ghost-btn { background: transparent; border: 1px solid #fca5a5; color: var(--danger); }

/* 顶栏 */
.topbar { background: #1e3a8a; color: #fff; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 700; font-size: 16px; }
.top-right { display: flex; align-items: center; gap: 12px; }
.who { font-size: 13px; opacity: .9; }
.badge { background: rgba(255,255,255,.18); border-radius: 20px; padding: 4px 12px; font-size: 12px; }
.badge.ended { background: rgba(220,38,38,.7); }
.topbar .btn.ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.container { max-width: 1280px; margin: 0 auto; padding: 20px 24px 60px; }
.banner { border-radius: 10px; padding: 12px 16px; margin-bottom: 14px; }
.banner.warn { background: #fef3c7; color: var(--warn); border: 1px solid #fcd34d; }
.note { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; border-radius: 10px; padding: 10px 14px; margin: 12px 0; font-size: 13px; }
.card { background: var(--card); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; box-shadow: 0 1px 4px rgba(15,23,42,.06); }
.card h3 { font-size: 15px; margin-bottom: 12px; }
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* 标签页 */
.tabs, .admin-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { padding: 8px 18px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 14px; }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.admin-tabs .tab { padding: 9px 18px; border-radius: 8px; border: none; background: transparent; cursor: pointer; font-size: 14px; color: var(--muted); }
.admin-tabs .tab.active { background: #fff; color: var(--primary); font-weight: 700; box-shadow: 0 1px 4px rgba(15,23,42,.08); }

/* 表格 */
.table-scroll { overflow-x: auto; }
.score-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.score-table th, .score-table td { border: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: middle; }
.score-table th { background: #f1f5f9; font-weight: 600; white-space: nowrap; }
.score-table td.center, .score-table th.center { text-align: center; }
.score-table input[type=number] { width: 90px; text-align: center; }
.score-table .grp { background: #f8fafc; font-weight: 600; }
.rank-1 { color: var(--danger); font-weight: 700; }
.rank-2 { color: #ea580c; font-weight: 700; }
.rank-3 { color: #ca8a04; font-weight: 700; }

/* 评委端 */
.contestant-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.contestant-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 7px 16px; border-radius: 20px; border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 13px; }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.chip.submitted::after { content: " ✓"; color: var(--ok); font-weight: 700; }
.chip.active.submitted::after { color: #bbf7d0; }
.chip-list { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chip-list .chip { display: inline-flex; gap: 6px; align-items: center; }
.deduct-row { display: flex; gap: 16px; margin-top: 14px; align-items: center; flex-wrap: wrap; }
.deduct-row label { display: flex; gap: 8px; align-items: center; }
.deduct-input { width: 100px; }
.form-actions { display: flex; gap: 12px; margin-top: 18px; align-items: center; justify-content: flex-end; }
.save-state { color: var(--ok); font-size: 13px; }

/* 管理端看板 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat-card { background: var(--card); border-radius: 12px; padding: 16px 18px; box-shadow: 0 1px 4px rgba(15,23,42,.06); }
.stat-card .num { font-size: 26px; font-weight: 800; color: var(--primary); }
.stat-card .lbl { color: var(--muted); font-size: 12px; margin-top: 4px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* 手写条形图 */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.bar-label { width: 90px; font-size: 13px; text-align: right; white-space: nowrap; }
.bar-track { flex: 1; background: #eef2f7; border-radius: 6px; height: 22px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, #3b82f6, #2563eb); border-radius: 6px; display: flex; align-items: center; padding-left: 8px; color: #fff; font-size: 12px; min-width: 34px; transition: width .4s; }
.bar-fill.top3 { background: linear-gradient(90deg, #f97316, #dc2626); }
.progress-row { margin-bottom: 14px; }
.progress-row .pr-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.progress-track { background: #eef2f7; border-radius: 6px; height: 12px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--ok); border-radius: 6px; transition: width .4s; }

/* 表单编辑器 */
.fe-item { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; align-items: center; }
.fe-item input { flex: 1; min-width: 100px; }
.fe-item input.narrow { flex: 0 0 90px; }

/* toast */
.toast { position: fixed; top: 66px; left: 50%; transform: translateX(-50%); background: #0f172a; color: #fff; padding: 11px 22px; border-radius: 10px; font-size: 14px; z-index: 99; box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.toast.error { background: var(--danger); }