:root {
    --bg: #0e0e0e;
    --bg-card: rgba(255,255,255,0.03);
    --bg-hover: #1a1a1a;
    --white-02: rgba(255,255,255,0.02);
    --white-04: rgba(255,255,255,0.04);
    --white-06: rgba(255,255,255,0.06);
    --white-12: rgba(255,255,255,0.12);
    --border: rgba(255, 255, 255, 0.10);
    --text: #f0f0f0;
    --text-dim: #8e8e8e;
    --accent: #0d6e4e;
    --accent-light: #128962;
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
  }
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

  /* ── Top bar ── */
  .topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(12px);
    position: sticky; top: 0; z-index: 100;
  }
  .topbar-left { display: flex; align-items: center; gap: 12px; }
  .topbar-logo {
    font-family: 'Unbounded', sans-serif;
    font-size: 13px; font-weight: 700;
    color: var(--accent-light);
  }
  .topbar-badge {
    font-size: 9px;
    background: rgba(248,113,113,0.12);
    color: var(--red);
    padding: 2px 8px; border-radius: 4px;
    letter-spacing: 0.5px; text-transform: uppercase;
    font-weight: 600;
  }
  .topbar-right { display: flex; align-items: center; gap: 14px; }
  .topbar-stat { font-size: 11px; color: var(--text-dim); }
  .topbar-stat strong { color: var(--text); font-weight: 500; }
  .topbar-btn {
    font-size: 10px; padding: 5px 12px; border-radius: 6px;
    border: 1px solid var(--border); background: transparent;
    color: var(--text); cursor: pointer; font-family: 'DM Sans', sans-serif;
    text-decoration: none; transition: background 0.15s;
  }
  .topbar-btn:hover { background: var(--bg-hover); }
  .topbar-btn.accent { border-color: var(--accent); color: var(--accent-light); }
  .topbar-btn.accent:hover { background: rgba(13,110,78,0.12); }

  /* ── Layout ── */
  .layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 43px);
  }

  /* ── Sidebar nav ── */
  .sidebar-nav {
    border-right: 1px solid var(--border);
    padding: 16px 0;
    background: rgba(0,0,0,0.2);
    overflow-y: auto;
    max-height: calc(100vh - 43px);
    position: sticky; top: 43px;
  }
  .nav-section {
    font-size: 9px; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: 0.8px;
    padding: 8px 20px 4px; margin-top: 8px;
  }
  .nav-section:first-child { margin-top: 0; }
  .nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 20px;
    font-size: 12px; color: var(--text-dim);
    cursor: pointer; transition: all 0.15s;
    border-left: 2px solid transparent;
  }
  .nav-item:hover { color: var(--text); background: var(--bg-card); }
  .nav-item.active {
    color: var(--accent-light);
    background: rgba(13,110,78,0.08);
    border-left-color: var(--accent);
  }
  .nav-item .icon { font-size: 14px; width: 20px; text-align: center; }
  .nav-item .nav-badge {
    margin-left: auto;
    font-size: 9px; padding: 1px 6px;
    border-radius: 4px;
    background: var(--white-06);
    color: var(--text-dim);
  }
  .nav-item .nav-badge.green { background: rgba(52,211,153,0.12); color: var(--green); }
  .nav-item .nav-badge.yellow { background: rgba(251,191,36,0.12); color: var(--yellow); }
  .nav-item .nav-badge.red { background: rgba(248,113,113,0.12); color: var(--red); }

  /* ── Main content ── */
  .main-content {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(100vh - 43px);
  }
  .page-title {
    font-family: 'Unbounded', sans-serif;
    font-size: 18px; font-weight: 700;
    margin-bottom: 4px;
  }
  .page-desc {
    font-size: 12px; color: var(--text-dim);
    margin-bottom: 20px;
  }
  .panel { display: none; }
  .panel.active { display: block; }

  /* ── Stats grid ── */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 24px;
  }
  .stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
  }
  .stat-label {
    font-size: 9px; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--text-dim);
    margin-bottom: 2px;
  }
  .stat-value {
    font-family: 'Unbounded', sans-serif;
    font-size: 22px; font-weight: 700;
  }
  .stat-sub { font-size: 10px; color: var(--text-dim); margin-top: 1px; }
  .stat-card.accent .stat-value { color: var(--accent-light); }
  .stat-card.green .stat-value { color: var(--green); }
  .stat-card.yellow .stat-value { color: var(--yellow); }
  .stat-card.red .stat-value { color: var(--red); }

  /* ── Source table ── */
  .source-table { width: 100%; border-collapse: collapse; font-size: 12px; }
  .source-table th {
    text-align: left; padding: 8px 12px;
    font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    font-weight: 500; position: sticky; top: 0;
    background: var(--bg);
  }
  .source-table td {
    padding: 7px 12px;
    border-bottom: 1px solid var(--white-04);
    vertical-align: middle;
  }
  .source-table tr:hover td { background: var(--white-02); }
  .source-color {
    width: 8px; height: 8px; border-radius: 50%;
    display: inline-block;
  }
  .source-name { font-weight: 500; }
  .source-category {
    font-size: 10px; color: var(--text-dim);
    background: var(--white-06);
    padding: 1px 6px; border-radius: 3px;
  }

  /* Status badges */
  .badge {
    display: inline-block; padding: 2px 8px;
    border-radius: 4px; font-size: 10px;
    font-weight: 500; text-transform: uppercase;
    letter-spacing: 0.3px;
  }
  .badge-ok { background: rgba(52,211,153,0.12); color: var(--green); }
  .badge-maintenance { background: rgba(251,191,36,0.12); color: var(--yellow); }
  .badge-error { background: rgba(248,113,113,0.12); color: var(--red); }
  .badge-idle { background: var(--white-06); color: var(--text-dim); }

  /* Sortable headers */
  th[data-sort-key] { cursor: pointer; user-select: none; }
  th[data-sort-key]:hover { color: var(--accent); }
  th[data-sort-key].sort-asc::after { content: ' ▲'; font-size: 8px; }
  th[data-sort-key].sort-desc::after { content: ' ▼'; font-size: 8px; }

  /* Custom tooltips */
  th[data-tip], td[data-tip] { position: relative; }
  th[data-tip]:hover::after, td[data-tip]:hover::after {
    content: attr(data-tip);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background: #1e1e2e;
    color: #cdd6f4;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.5;
    max-width: 280px;
    width: max-content;
    white-space: normal;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    pointer-events: none;
  }

  /* Ping bars — Uptime Kuma style */
  .ping-bar { display: inline-flex; align-items: flex-end; gap: 1px; height: 20px; vertical-align: middle; }
  .ping-bar .tick { width: 3px; border-radius: 1px; min-height: 3px; transition: opacity 0.2s; cursor: default; }
  .ping-bar .tick.ok { background: var(--green); }
  .ping-bar .tick.fail { background: var(--red); }
  .ping-bar .tick.empty { background: var(--white-06); height: 3px !important; }
  .ping-bar .tick:hover { opacity: 0.7; }
  .ping-pct { font-size: 10px; color: var(--text-dim); margin-left: 4px; font-variant-numeric: tabular-nums; }

  /* Share toggle */
  .share-toggle {
    width: 32px; height: 18px; border-radius: 9px;
    background: var(--white-12);
    position: relative; cursor: pointer;
    border: none; padding: 0; transition: background 0.2s;
  }
  .share-toggle.on { background: var(--accent); }
  .share-toggle::after {
    content: ''; position: absolute;
    top: 2px; left: 2px;
    width: 14px; height: 14px;
    border-radius: 50%; background: white;
    transition: transform 0.2s;
  }
  .share-toggle.on::after { transform: translateX(14px); }

  /* Buttons */
  .fetch-btn {
    font-size: 10px; padding: 2px 8px; border-radius: 4px;
    border: 1px solid var(--border); background: transparent;
    color: var(--text-dim); cursor: pointer;
    font-family: 'DM Sans', sans-serif;
  }
  .fetch-btn:hover { background: var(--bg-hover); color: var(--text); }
.toolbar-search {
    padding: 6px 12px; border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--white-04);
    color: var(--text); font-size: 12px;
    font-family: 'DM Sans', sans-serif;
    outline: none; width: 240px;
  }
  .toolbar-search:focus { border-color: var(--accent); }
  .toolbar-search::placeholder { color: rgba(255,255,255,0.2); }

  /* Points bar */
  .points-bar {
    display: inline-block;
    height: 4px; border-radius: 2px;
    background: var(--accent);
    min-width: 2px;
    vertical-align: middle;
    margin-right: 4px;
  }

  /* ── Sortable table columns ── */
  .source-table th[data-sort],
  .source-table th[data-sched-sort] { cursor: pointer; user-select: none; }
  .source-table th[data-sort]:hover,
  .source-table th[data-sched-sort]:hover { color: var(--text); }
  .source-table td { white-space: nowrap; }

  .type-badge {
    display: inline-block; padding: 1px 6px; border-radius: 3px;
    font-size: 9px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.3px;
  }
  .type-realtime { background: rgba(59,130,246,0.15); color: #60a5fa; }
  .type-grid     { background: rgba(168,85,247,0.15); color: #c084fc; }
  .type-snapshot  { background: rgba(251,191,36,0.15); color: #fbbf24; }
  .type-static    { background: var(--white-06); color: var(--text-dim); }

  .bf-badge {
    display: inline-block; padding: 1px 6px; border-radius: 3px;
    font-size: 9px; font-weight: 500;
  }
  .bf-script      { background: rgba(52,211,153,0.15); color: var(--green); }
  .bf-backfillable { background: rgba(251,191,36,0.12); color: #fbbf24; }
  .bf-none        { background: var(--white-04); color: rgba(255,255,255,0.25); }

  .matrix-filter-row, .filter-row {
    display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap;
  }
  .matrix-filter-btn {
    font-size: 11px; padding: 6px 12px; border-radius: 6px;
    border: 1px solid var(--border); background: transparent;
    color: var(--text-dim); cursor: pointer;
    font-family: 'DM Sans', sans-serif; transition: all 0.15s;
  }
  .matrix-filter-btn:hover { border-color: var(--accent); color: var(--text); }
  .matrix-filter-btn.active { border-color: var(--accent); color: var(--accent-light); background: rgba(13,110,78,0.12); }

  /* ── Standardized layout ── */
  .toolbar-row {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 16px; flex-wrap: wrap;
  }
  .toolbar-row .spacer { flex: 1; }
  .toolbar-row .count { font-size: 11px; color: var(--text-dim); }
  .section-heading {
    font-size: 12px; font-weight: 500; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: 0.5px;
    margin: 24px 0 12px; padding-bottom: 6px;
    border-bottom: 1px solid var(--white-04);
  }
  .kick-btn {
    font-size: 10px; padding: 2px 8px; border-radius: 4px;
    border: 1px solid rgba(248,113,113,0.3);
    background: transparent; color: var(--red);
    cursor: pointer; font-family: 'DM Sans', sans-serif;
  }
  .kick-btn:hover { background: rgba(248,113,113,0.1); }
  .ban-btn {
    font-size: 10px; padding: 2px 8px; border-radius: 4px;
    border: 1px solid rgba(248,113,113,0.5);
    background: rgba(248,113,113,0.15); color: var(--red);
    cursor: pointer; font-family: 'DM Sans', sans-serif;
    margin-left: 4px;
  }
  .ban-btn:hover { background: rgba(248,113,113,0.3); }
  .unban-btn {
    font-size: 10px; padding: 2px 8px; border-radius: 4px;
    border: 1px solid var(--border);
    background: transparent; color: var(--text-dim);
    cursor: pointer; font-family: 'DM Sans', sans-serif;
  }
  .unban-btn:hover { background: var(--white-04); }
  /* banned-list removed — using section-heading + banned-item */
  .banned-item { display: flex; align-items: center; justify-content: space-between; padding: 4px 8px; border-bottom: 1px solid var(--white-04); font-size: 12px; }
  .panel-refresh {
    font-size: 11px; padding: 3px 10px; border-radius: 4px;
    border: 1px solid var(--border); background: transparent;
    color: var(--text-dim); cursor: pointer; font-family: 'DM Sans', sans-serif;
    margin-left: 10px; vertical-align: middle;
  }
  .panel-refresh:hover { background: var(--white-04); color: var(--text); }

  /* ── Wiki ── */
  .wiki { max-width: 800px; }
  .wiki h2 {
    font-family: 'Unbounded', sans-serif;
    font-size: 15px; font-weight: 700;
    color: var(--accent-light);
    margin: 28px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
  }
  .wiki h2:first-child { margin-top: 0; }
  .wiki h3 {
    font-size: 12px; font-weight: 600; color: var(--text);
    margin: 16px 0 6px;
    text-transform: uppercase; letter-spacing: 0.4px;
  }
  .wiki p, .wiki li {
    font-size: 12px; color: var(--text-dim);
    line-height: 1.6; margin-bottom: 6px;
  }
  .wiki ul { padding-left: 18px; margin-bottom: 12px; }
  .wiki code {
    font-size: 11px; background: var(--white-06);
    padding: 1px 5px; border-radius: 3px; color: var(--text);
  }
  .wiki .def-grid {
    display: grid; grid-template-columns: 120px 1fr;
    gap: 4px 12px; margin: 8px 0 16px; font-size: 12px;
  }
  .wiki .def-term { font-weight: 500; color: var(--text); }
  .wiki .def-desc { color: var(--text-dim); }

  /* ── Login ── */
  .login-overlay {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
  }
  .login-overlay.hidden { display: none; }
  .login-box {
    background: rgba(20,20,20,0.95);
    border: 1px solid var(--border);
    border-radius: 12px; padding: 32px; width: 320px; text-align: center;
  }
  .login-box h2 {
    font-family: 'Unbounded', sans-serif;
    font-size: 16px; margin-bottom: 4px; color: var(--accent-light);
  }
  .login-box p { font-size: 11px; color: var(--text-dim); margin-bottom: 16px; }
  .login-box input {
    width: 100%; padding: 8px 12px; margin-bottom: 10px;
    background: var(--white-06); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text); font-size: 12px;
    font-family: 'DM Sans', sans-serif; outline: none;
  }
  .login-box input:focus { border-color: var(--accent); }
  .login-box button {
    width: 100%; padding: 10px; border: none; border-radius: 8px;
    background: var(--accent); color: var(--text); font-size: 13px;
    font-weight: 500; cursor: pointer; font-family: 'DM Sans', sans-serif;
  }
  .login-box button:hover { background: var(--accent-light); }
  .login-error { color: var(--red); font-size: 11px; margin-bottom: 8px; display: none; }

  /* ── Placeholder pages ── */
  .placeholder {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: 300px; color: var(--text-dim);
  }
  .placeholder-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.3; }
  .placeholder-text { font-size: 13px; }
  .placeholder-sub { font-size: 11px; color: rgba(255,255,255,0.25); margin-top: 4px; }
  /* Utility classes */
  .u-dim { color: var(--text-dim); }
  .u-dim-11 { color: var(--text-dim); font-size: 11px; }
  .u-green { color: var(--green); }
  .u-right { text-align: right; }
  .u-center { text-align: center; }