:root {
  --bg: #0f1117; --card: #1a1d27; --border: #2a2d3a;
  --text: #e1e4ed; --text2: #8b8fa3; --accent: #6c5ce7;
  --green: #00b894; --red: #ff6b6b; --orange: #fdcb6e; --blue: #74b9ff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, 'Segoe UI', Roboto, sans-serif; padding: 20px; }
h1 { font-size: 1.6rem; font-weight: 600; margin-bottom: 4px; }
.subtitle { color: var(--text2); font-size: 0.85rem; margin-bottom: 24px; }
.team-section { margin-bottom: 36px; }
.team-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.team-title::before { content: ''; width: 4px; height: 20px; background: var(--accent); border-radius: 2px; display: inline-block; }
.summary-cards { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.summary-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px 20px; min-width: 140px; }
.summary-card .label { font-size: 0.75rem; color: var(--text2); margin-bottom: 4px; }
.summary-card .value { font-size: 1.4rem; font-weight: 700; }
.value-green { color: var(--green); }
.value-blue { color: var(--blue); }
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { background: var(--card); color: var(--text2); font-weight: 600; text-align: left; padding: 10px 14px; white-space: nowrap; position: sticky; top: 0; }
td { padding: 9px 14px; border-top: 1px solid var(--border); white-space: nowrap; }
tr:hover td { background: rgba(108,92,231,0.06); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.tag-online { background: rgba(0,184,148,0.15); color: var(--green); }
.tag-offline { background: rgba(255,107,107,0.15); color: var(--red); }
.tag-warn { background: rgba(253,203,110,0.15); color: var(--orange); }
.total-row td { font-weight: 700; background: var(--card); border-top: 2px solid var(--accent); }
.error-text, .error { color: var(--red); font-size: 0.85rem; }
.refresh-info { margin-top: 16px; color: var(--text2); font-size: 0.8rem; text-align: center; }
.refresh-info button, .login-box button {
  background: var(--accent); color: #fff; border: none; padding: 12px 14px;
  border-radius: 8px; cursor: pointer; font-size: 1rem; font-weight: 600;
}
.refresh-info button { padding: 5px 14px; border-radius: 6px; font-size: 0.8rem; margin-left: 8px; }
.refresh-info button:hover, .login-box button:hover { opacity: 0.85; }
.refresh-info button:disabled { opacity: 0.4; cursor: not-allowed; }
.occ-chip { display: inline-block; width: 18px; height: 18px; line-height: 18px; text-align: center; border-radius: 4px; font-size: 0.7rem; font-weight: 700; margin-right: 2px; }
.occ-used { background: rgba(0,184,148,0.2); color: var(--green); }
.occ-free { background: rgba(139,143,163,0.15); color: var(--text2); }
.clickable-row { cursor: pointer; }
.clickable-row td:first-child::before { content: '\25B6'; margin-right: 6px; font-size: 0.65rem; color: var(--text2); transition: transform 0.2s; display: inline-block; }
.clickable-row.expanded td:first-child::before { transform: rotate(90deg); }
.detail-row { display: none; }
.detail-row.show { display: table-row; }
.detail-row td { padding: 0; background: var(--card); }
.detail-inner { padding: 12px 20px 16px 40px; }
.detail-inner h4 { font-size: 0.8rem; color: var(--accent); margin-bottom: 8px; font-weight: 600; }
.detail-table { width: auto; border-collapse: collapse; font-size: 0.8rem; }
.detail-table th { background: transparent; color: var(--text2); font-weight: 600; padding: 5px 16px 5px 0; border-bottom: 1px solid var(--border); position: static; }
.detail-table td { padding: 5px 16px 5px 0; border-top: 1px solid rgba(42,45,58,0.5); white-space: nowrap; }
.detail-table .day-total { color: var(--green); font-weight: 600; }
.muted-text { color: var(--text2); }
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 40px 36px; width: 360px; text-align: center; }
.login-box h1 { font-size: 1.4rem; margin-bottom: 6px; }
.login-box p { color: var(--text2); font-size: 0.85rem; margin-bottom: 24px; }
.login-box input { width: 100%; padding: 12px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 1rem; outline: none; margin-bottom: 16px; text-align: center; letter-spacing: 4px; }
.login-box input:focus { border-color: var(--accent); }