:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.4rem; font-weight: 600; }

.health-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--surface);
    border: 1px solid var(--border);
}

.health-badge.healthy { border-color: var(--green); color: var(--green); }
.health-badge.unhealthy { border-color: var(--red); color: var(--red); }

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-auth {
    background: #24292f;
    color: #fff;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid var(--border);
}
.btn-auth:hover { background: #30363d; }

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    text-decoration: none;
}
.btn-secondary:hover { background: var(--bg); }

.user-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.user-info #user-name { color: var(--text); font-weight: 500; }

.btn:disabled,
.btn[disabled] {
    background: var(--surface);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
    border: 1px solid var(--border);
}

nav {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.tab {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.view { display: none; }
.view.active { display: block; }

.controls {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.controls input, .controls select {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.controls input { flex: 1; max-width: 300px; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.status-pass { color: var(--green); font-weight: 600; }
.status-fail { color: var(--red); font-weight: 600; }
.status-none { color: var(--text-muted); }

.log-link {
    text-decoration: none;
    border-bottom: 1px dotted currentColor;
    cursor: pointer;
}
.log-link:hover { border-bottom-style: solid; }

.arch-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg);
    border: 1px solid var(--border);
}

.btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.btn:hover { opacity: 0.85; }
.btn-small { padding: 3px 8px; font-size: 0.75rem; }

.worker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.worker-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.worker-card h4 { margin-bottom: 8px; }
.worker-card .meta { color: var(--text-muted); font-size: 0.8rem; }
.worker-card.ready { border-left: 3px solid var(--green); }
.worker-card.busy { border-left: 3px solid var(--yellow); }
.worker-card.offline { border-left: 3px solid var(--red); }

.queue-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.queue-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 18px;
    text-align: center;
    min-width: 120px;
}

.queue-item .count { font-size: 1.5rem; font-weight: 700; }
.queue-item .label { font-size: 0.75rem; color: var(--text-muted); }

.nightly-header {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    gap: 24px;
    align-items: center;
}

.nightly-header .stat { text-align: center; }
.nightly-header .stat .value { font-size: 1.8rem; font-weight: 700; }
.nightly-header .stat .label { font-size: 0.75rem; color: var(--text-muted); }

.loading { text-align: center; color: var(--text-muted); padding: 20px; }