:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --border-color: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-border: #059669;
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: #dc2626;
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --info: #6366f1;
  --info-bg: rgba(99, 102, 241, 0.15);
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --radius: 10px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #0284c7;
  --accent-hover: #0369a1;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-badge {
  background: linear-gradient(135deg, #0284c7, #6366f1);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
}

.brand-text h1 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 20px;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

/* KPI Summary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.kpi-title {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rate-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* Navigation Tabs */
.tabs-bar {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-badge {
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Filter Controls Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.search-input {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  min-width: 260px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

/* Date Timeline / Strip */
.date-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.date-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 10px 14px;
  min-width: 110px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.15s ease;
  user-select: none;
}

.date-pill:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.date-pill.active {
  border-color: var(--accent);
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.3);
}

.date-pill-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.date-pill-rate {
  font-size: 1.15rem;
  font-weight: 700;
}

.date-pill-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Run Cards / List */
.runs-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.run-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.run-card:hover {
  border-color: var(--accent);
}

.run-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  cursor: pointer;
}

.run-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.status-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

.status-success { background: var(--success); color: white; }
.status-failure { background: var(--danger); color: white; }
.status-running { background: var(--warning); color: white; }

.run-title-group h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.run-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.run-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

/* Accordion Jobs Table */
.run-body {
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 16px 20px;
  display: none;
}

.run-body.open {
  display: block;
}

.jobs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.jobs-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.jobs-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
}

.jobs-table tr:last-child td {
  border-bottom: none;
}

.cluster-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

/* Matrix Table View */
.matrix-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--card-shadow);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.matrix-table th, .matrix-table td {
  padding: 12px 14px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.matrix-table th:first-child, .matrix-table td:first-child {
  text-align: left;
  min-width: 240px;
  position: sticky;
  left: 0;
  background: var(--bg-secondary);
  z-index: 2;
}

.matrix-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.78rem;
  white-space: nowrap;
}

.matrix-cell {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 13px;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.matrix-cell:hover {
  transform: scale(1.2);
}

.matrix-pass { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.matrix-fail { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.matrix-empty { color: var(--text-muted); opacity: 0.3; }

/* Test Cases Catalog Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
}

.tc-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.tc-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.tc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.tc-id {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.tc-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 4px;
}

.tc-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.tc-assertions {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 0.78rem;
}

.tc-assertions strong {
  color: var(--text-primary);
}

.tc-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

/* Footer */
footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }
  .search-input {
    min-width: 100%;
  }
}