:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --green-1: #0e4429;
    --green-2: #006d32;
    --green-3: #26a641;
    --green-4: #39d353;
    --orange: #d18616;
    --gray: #484f58;
    --red: #f85149;
    --link: #58a6ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.nav-brand { font-weight: 600; font-size: 16px; display: flex; align-items: baseline; gap: 8px; }
.build-badge {
    font-size: 10px; font-weight: 500; color: var(--text-muted);
    background: var(--bg); border: 1px solid var(--border);
    padding: 1px 6px; border-radius: 10px; letter-spacing: .3px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.breadcrumbs {
    padding: 8px 24px; background: var(--bg);
    border-bottom: 1px solid var(--border);
    font-size: 12px; color: var(--text-muted);
    min-height: 18px; display: flex; align-items: center; gap: 6px;
    flex-wrap: wrap;
}
.breadcrumbs:empty { display: none; }
.bc-sep { color: var(--border); margin: 0 2px; }
.bc-link { color: var(--text-muted); text-decoration: none; }
.bc-link:hover { color: var(--link); }
.bc-current { color: var(--text); }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-link { color: var(--text-muted); text-decoration: none; font-size: 14px; }
.nav-link:hover { color: var(--text); }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
    background: none; border: 1px solid var(--border); color: var(--text-muted);
    padding: 4px 12px; border-radius: 6px; font-size: 13px; cursor: pointer;
    display: flex; align-items: center;
}
.nav-dropdown-toggle:hover { color: var(--text); border-color: var(--text-muted); }
.nav-dropdown-menu {
    display: none; position: absolute; right: 0; top: calc(100% + 6px);
    background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
    min-width: 180px; padding: 6px 0; z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-item {
    display: block; padding: 6px 16px; color: var(--text-muted); text-decoration: none;
    font-size: 13px;
}
.nav-dropdown-item:hover { background: var(--border); color: var(--text); }
.nav-dropdown-section {
    padding: 6px 16px 2px; font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .5px; font-weight: 600;
}
.nav-dropdown-divider { border-top: 1px solid var(--border); margin: 6px 0; }

.container { max-width: 1400px; margin: 0 auto; padding: 24px; }

h1 { font-size: 24px; margin-bottom: 16px; }
h2 { font-size: 18px; margin-bottom: 12px; color: var(--text-muted); }

.controls {
    display: flex; gap: 12px; align-items: center; margin-bottom: 20px; flex-wrap: wrap;
}
.controls input, .controls select, .controls button {
    background: var(--surface); border: 1px solid var(--border); color: var(--text);
    padding: 6px 12px; border-radius: 6px; font-size: 14px;
}
.controls button { cursor: pointer; background: var(--green-2); border-color: var(--green-3); }
.controls button:hover { background: var(--green-3); }
.controls button.active { background: var(--green-3); border-color: var(--green-4); }

.heatmap { overflow-x: auto; margin-top: 16px; }
.heatmap-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.heatmap-table th {
    padding: 4px 2px; font-weight: normal; color: var(--text-muted); font-size: 10px;
    position: sticky; top: 0; background: var(--bg);
}
.heatmap-table td { padding: 1px; }
.heatmap-name {
    padding: 4px 8px !important; font-size: 13px; white-space: nowrap;
    position: sticky; left: 0; background: var(--bg); cursor: pointer;
}
.heatmap-name:hover { color: var(--link); }
.heatmap-cell { width: 14px; height: 20px; border-radius: 2px; display: inline-block; }
.cell-offline { background: var(--surface); }
.cell-away { background: var(--gray); }
.cell-busy { background: var(--orange); }
.cell-dnd { background: var(--orange); }
.cell-active-1 { background: var(--green-1); }
.cell-active-2 { background: var(--green-2); }
.cell-active-3 { background: var(--green-3); }
.cell-active-4 { background: var(--green-4); }

.legend { display: flex; gap: 12px; margin-top: 12px; font-size: 11px; color: var(--text-muted); }
.legend-item { display: flex; align-items: center; gap: 4px; }
.legend-swatch { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }

.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; padding: 16px; margin-bottom: 16px;
}
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.form-group input, .form-group select {
    width: 100%; background: var(--bg); border: 1px solid var(--border);
    color: var(--text); padding: 8px 12px; border-radius: 6px; font-size: 14px;
}

.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px;
    border: 1px solid var(--border); background: var(--surface);
    color: var(--text); font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--green-2); border-color: var(--green-3); }
.btn-primary:hover { background: var(--green-3); }
.btn-danger { background: #da3633; border-color: #f85149; }
.btn-danger:hover { background: #f85149; }

.timeline {
    position: relative; height: 40px; background: var(--surface);
    border-radius: 4px; margin: 8px 0; overflow: hidden;
}
.timeline-dot {
    position: absolute; top: 50%; transform: translate(-50%, -50%);
    width: 8px; height: 8px; border-radius: 50%; z-index: 1;
}
.dot-github { background: var(--green-3); }
.dot-jira { background: var(--link); }

.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 12px; }
.badge-ok { background: var(--green-1); color: var(--green-4); }
.badge-error { background: #3d1214; color: var(--red); }
.badge-warn { background: #3d2e00; color: var(--orange); }
.badge-running { background: #0d2847; color: var(--link); animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

@media (max-width: 768px) {
    .controls { flex-direction: column; }
    .nav { flex-direction: column; gap: 8px; }
}