:root {
  --primary: #1a365d;
  --primary-light: #2b6cb0;
  --accent: #ed8936;
  --bg: #f0f4f8;
  --card-bg: #ffffff;
  --text: #1a202c;
  --text-muted: #718096;
  --border: #e2e8f0;
  --success: #38a169;
  --warning: #d69e2e;
  --danger: #e53e3e;
  --shadow: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }
.topbar { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.topbar h1 { font-size: 18px; font-weight: 700; }
.topbar .role-badge { font-size: 12px; background: rgba(255,255,255,0.18); padding: 4px 12px; border-radius: 12px; }
.topbar .user { font-size: 13px; opacity: 0.9; }
.btn { padding: 8px 16px; border: none; border-radius: var(--radius-sm); font-size: 14px; cursor: pointer; font-weight: 500; }
.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-ghost { background: rgba(255,255,255,0.15); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.28); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c53030; }
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.card { background: var(--card-bg); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card h2, .card h3 { color: var(--primary); margin-bottom: 12px; }
.banner { background: #fffaf0; border: 1px solid #f6e05e; border-left: 4px solid var(--warning); color: #744210; padding: 10px 16px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); text-align: center; }
.stat-number { font-size: 26px; font-weight: 700; color: var(--primary-light); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.search-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.input { padding: 10px 14px; border: 2px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; outline: none; min-width: 160px; }
.input:focus { border-color: var(--primary-light); }
select.input { cursor: pointer; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: center; font-weight: 600; cursor: pointer; user-select: none; white-space: nowrap; }
.table th.no-sort { cursor: default; }
.table td { padding: 9px 12px; border-bottom: 1px solid #edf2f7; text-align: center; color: #4a5568; }
.table td.name { text-align: left; font-weight: 700; color: var(--text); }
.table tbody tr { cursor: pointer; }
.table tbody tr:hover td { background: #f7fafc; }
.tier-tag { padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; color: #fff; white-space: nowrap; }
.total-pts { font-weight: 700; color: var(--primary-light); font-size: 15px; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: center; margin-top: 14px; flex-wrap: wrap; }
.pager button { padding: 6px 14px; border: 1px solid var(--border); background: #fff; border-radius: var(--radius-sm); cursor: pointer; font-size: 13px; }
.pager button:hover:not(:disabled) { background: var(--primary-light); color: #fff; }
.pager button:disabled { opacity: 0.4; cursor: default; }
.empty { text-align: center; padding: 50px 20px; color: #a0aec0; }
.muted { color: var(--text-muted); font-size: 13px; }
.chip { padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; display: inline-block; margin: 2px; }
.chip-ok { background: #c6f6d5; color: #22543d; }
.chip-no { background: #fed7d7; color: #9b2c2c; }
.chip-band { background: #bee3f8; color: #2c5282; }
.detail-grid { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }
.radar-wrap { display: flex; flex-direction: column; align-items: center; }
.radar-legend { font-size: 12px; color: var(--text-muted); margin-top: 6px; text-align: center; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn { padding: 8px 18px; border: 1px solid var(--border); background: #fff; border-radius: var(--radius-sm); cursor: pointer; font-size: 14px; color: var(--text-muted); }
.tab-btn.active { background: var(--primary-light); color: #fff; border-color: var(--primary-light); }
.hidden { display: none !important; }
.form-row { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { font-size: 13px; color: var(--text-muted); min-width: 90px; }
textarea.input { min-height: 120px; font-family: ui-monospace, Menlo, Consolas, monospace; resize: vertical; width: 100%; }
.msg { font-size: 13px; margin-left: 8px; }
.msg-ok { color: var(--success); }
.msg-err { color: var(--danger); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); }
.login-card { background: #fff; border-radius: var(--radius); padding: 36px 32px; width: 360px; box-shadow: var(--shadow-lg); }
.login-card h1 { color: var(--primary); font-size: 22px; margin-bottom: 6px; }
.login-card .sub { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.login-card .field { margin-bottom: 16px; }
.login-card label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.login-card input { width: 100%; }
.login-card .btn { width: 100%; padding: 12px; font-size: 15px; margin-top: 6px; }
.login-err { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }
.login-hint { margin-top: 18px; font-size: 12px; color: var(--text-muted); text-align: center; }
.child-card { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.child-info { flex: 1; min-width: 240px; }
.kv { display: flex; gap: 8px; font-size: 13px; margin-bottom: 6px; }
.kv .k { color: var(--text-muted); min-width: 56px; }
.edit-dims { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 10px; }
.edit-dims .d { background: #f7fafc; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px; }
.edit-dims .d label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 4px; }
.edit-dims .d input { width: 100%; }
.user-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 8px; font-size: 14px; }
.user-row .uname { font-weight: 700; }
.user-row .urole { font-size: 12px; color: #fff; background: var(--primary-light); padding: 2px 10px; border-radius: 10px; }
.user-row .uspine { flex: 1; color: var(--text-muted); font-size: 13px; }