:root {
  --bg-main: #0B0F17;
  --bg-card: #151C28;
  --bg-card-hover: #1C2636;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --accent-blue: #3B82F6;
  --accent-purple: #8B5CF6;
  --accent-green: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-badge {
  background: linear-gradient(135deg, #3B82F6, #8B5CF6);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 8px 14px;
  border-radius: 12px;
  letter-spacing: 1px;
}

.brand-text h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

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

.header-nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-btn:hover {
  background: var(--bg-card-hover);
  color: #fff;
}

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

.nav-btn.admin-badge {
  border-color: rgba(139, 92, 246, 0.4);
}

/* Surfaces */
.surface-view {
  display: none;
}

.surface-view.active {
  display: block;
}

/* Hero Section */
.hero-section {
  margin-bottom: 28px;
}

.week-pill {
  display: inline-block;
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.hero-section h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 6px 0;
}

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

/* Columns */
.dashboard-columns {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}

@media (max-width: 960px) {
  .dashboard-columns {
    grid-template-columns: 1fr;
  }
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title-row h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-pill {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 12px;
  color: var(--text-secondary);
}

/* Content Cards */
.cards-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.content-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px 20px;
  transition: all 0.2s ease;
}

.content-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.rank-badge {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-muted);
  min-width: 32px;
}

.card-info {
  flex: 1;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.card-meta {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.tag {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: 6px;
}

.card-scores {
  text-align: right;
  min-width: 140px;
}

.trend-score-display {
  font-size: 1.4rem;
  font-weight: 800;
  color: #60A5FA;
}

.momentum-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  display: inline-block;
  margin-top: 2px;
}

.momentum-pill.positive {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
}

.momentum-pill.negative {
  background: rgba(244, 63, 94, 0.15);
  color: #FB7185;
}

.signal-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Side Column Cards */
.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}

.side-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

.breakdown-row:last-child {
  border-bottom: none;
}

.breakdown-bar {
  flex: 1;
  margin: 0 16px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.breakdown-bar .fill {
  height: 100%;
  background: var(--accent-blue);
  border-radius: 3px;
}

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

.methodology-card .footnote {
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

/* Admin Styling */
.admin-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 24px;
}

.admin-tag {
  background: var(--accent-purple);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-right: 12px;
}

.guard-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 28px;
}

.guard-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.guard-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.guard-indicator.healthy {
  background: var(--accent-green);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.guard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 16px;
  border-radius: 10px;
}

.m-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.m-val {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 6px 0;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-bar .fill {
  height: 100%;
  background: var(--accent-green);
}

.m-note {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Admin Table */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 28px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.admin-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.admin-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
}

.btn-run {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.btn-confirm {
  background: rgba(16, 185, 129, 0.2);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 6px;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.app-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}