:root {
  --ds-bg-primary: #080a12;
  --ds-bg-surface: #0c0e18;
  --ds-bg-card: #12141f;
  --ds-bg-card-hover: #181a28;
  --ds-bg-elevated: #1a1c2e;
  --ds-bg-input: #0e1019;

  --ds-accent-primary: #6366f1;
  --ds-accent-primary-light: #818cf8;
  --ds-accent-primary-dim: rgba(99, 102, 241, 0.15);
  --ds-accent-secondary: #a855f7;
  --ds-accent-glow: rgba(168, 85, 247, 0.15);
  --ds-accent-magenta: #ec4899;
  --ds-accent-magenta-dim: rgba(236, 72, 153, 0.12);

  --ds-text-primary: #f1f5f9;
  --ds-text-secondary: #94a3b8;
  --ds-text-muted: #64748b;
  --ds-text-dim: #475569;

  --ds-success: #22c55e;
  --ds-success-dim: rgba(34, 197, 94, 0.12);
  --ds-warning: #f59e0b;
  --ds-warning-dim: rgba(245, 158, 11, 0.12);
  --ds-danger: #ef4444;
  --ds-danger-dim: rgba(239, 68, 68, 0.12);
  --ds-info: #3b82f6;
  --ds-info-dim: rgba(59, 130, 246, 0.12);

  --ds-border: rgba(255, 255, 255, 0.06);
  --ds-border-accent: rgba(99, 102, 241, 0.15);
  --ds-border-hover: rgba(99, 102, 241, 0.3);

  --ds-gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  --ds-gradient-surface: linear-gradient(135deg, #12141f 0%, #1a1c2e 100%);
  --ds-gradient-card: linear-gradient(135deg, #14162a 0%, #1a1c30 100%);
  --ds-gradient-hero: linear-gradient(135deg, #0c0e1a 0%, #151530 50%, #1a1040 100%);
  --ds-gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);

  --ds-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --ds-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --ds-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --ds-shadow-glow: 0 0 40px rgba(99, 102, 241, 0.1);
  --ds-shadow-glow-strong: 0 0 60px rgba(99, 102, 241, 0.15);

  --ds-radius-sm: 6px;
  --ds-radius-md: 10px;
  --ds-radius-lg: 16px;
  --ds-radius-xl: 24px;

  --ds-space-xs: 0.25rem;
  --ds-space-sm: 0.5rem;
  --ds-space-md: 1rem;
  --ds-space-lg: 1.5rem;
  --ds-space-xl: 2rem;
  --ds-space-2xl: 3rem;
  --ds-space-3xl: 4rem;

  --ds-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ds-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

.ds-card {
  background: var(--ds-gradient-card);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ds-card:hover {
  border-color: var(--ds-border-hover);
  box-shadow: var(--ds-shadow-glow);
}

.ds-card-flat {
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
}

.ds-hero-card {
  background: var(--ds-gradient-hero);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-xl);
  padding: var(--ds-space-2xl);
  position: relative;
  overflow: hidden;
}

.ds-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: var(--ds-gradient-glow);
  pointer-events: none;
}

.ds-verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ds-verdict-badge.bullish { background: var(--ds-success-dim); color: var(--ds-success); border: 1px solid rgba(34, 197, 94, 0.2); }
.ds-verdict-badge.bearish { background: var(--ds-danger-dim); color: var(--ds-danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.ds-verdict-badge.neutral { background: rgba(148, 163, 184, 0.1); color: var(--ds-text-secondary); border: 1px solid rgba(148, 163, 184, 0.15); }
.ds-verdict-badge.caution { background: var(--ds-warning-dim); color: var(--ds-warning); border: 1px solid rgba(245, 158, 11, 0.2); }

.ds-confidence-meter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ds-confidence-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.ds-confidence-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

.ds-confidence-fill.high { background: linear-gradient(90deg, #22c55e, #4ade80); }
.ds-confidence-fill.medium { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.ds-confidence-fill.low { background: linear-gradient(90deg, #ef4444, #f87171); }

.ds-confidence-label {
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 32px;
  text-align: right;
}

.ds-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.ds-status-pill.fresh { background: var(--ds-success-dim); color: var(--ds-success); }
.ds-status-pill.delayed { background: var(--ds-warning-dim); color: var(--ds-warning); }
.ds-status-pill.stale { background: var(--ds-danger-dim); color: var(--ds-danger); }
.ds-status-pill.running { background: var(--ds-info-dim); color: var(--ds-info); }
.ds-status-pill.inactive { background: rgba(100, 116, 139, 0.1); color: var(--ds-text-muted); }

.ds-freshness-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--ds-border);
  color: var(--ds-text-muted);
}

.ds-freshness-badge .ds-freshness-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.ds-freshness-badge.fresh .ds-freshness-dot { background: var(--ds-success); }
.ds-freshness-badge.delayed .ds-freshness-dot { background: var(--ds-warning); }
.ds-freshness-badge.stale .ds-freshness-dot { background: var(--ds-danger); }

.ds-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ds-space-lg);
}

.ds-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ds-text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ds-section-title i {
  color: var(--ds-accent-primary-light);
  font-size: 1rem;
}

.ds-section-subtitle {
  font-size: 0.82rem;
  color: var(--ds-text-muted);
  margin-top: 0.25rem;
}

.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--ds-radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.ds-btn-primary {
  background: var(--ds-gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.ds-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.35);
  color: white;
  text-decoration: none;
}

.ds-btn-secondary {
  background: var(--ds-accent-primary-dim);
  color: var(--ds-accent-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.ds-btn-secondary:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
  color: #c7d2fe;
  text-decoration: none;
}

.ds-btn-ghost {
  background: transparent;
  color: var(--ds-text-secondary);
  border: 1px solid var(--ds-border);
}

.ds-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ds-text-primary);
  border-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.ds-btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
}

.ds-btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

.ds-action-zone {
  background: var(--ds-gradient-card);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
}

.ds-action-zone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ds-space-md);
  padding-bottom: var(--ds-space-sm);
  border-bottom: 1px solid var(--ds-border);
}

.ds-action-zone-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ds-text-primary);
}

.ds-empty-state {
  text-align: center;
  padding: var(--ds-space-3xl) var(--ds-space-xl);
  color: var(--ds-text-muted);
}

.ds-empty-state i {
  font-size: 2.5rem;
  margin-bottom: var(--ds-space-md);
  opacity: 0.3;
}

.ds-empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ds-text-secondary);
  margin-bottom: var(--ds-space-sm);
}

.ds-empty-state p {
  font-size: 0.85rem;
  max-width: 400px;
  margin: 0 auto;
}

.ds-opportunity-card {
  background: var(--ds-gradient-card);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
  transition: all 0.2s;
}

.ds-opportunity-card:hover {
  border-color: var(--ds-border-hover);
  box-shadow: var(--ds-shadow-glow);
  transform: translateY(-2px);
}

.ds-opportunity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ds-space-md);
}

.ds-opportunity-ticker {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ds-text-primary);
  letter-spacing: 0.02em;
}

.ds-opportunity-name {
  font-size: 0.75rem;
  color: var(--ds-text-muted);
  margin-top: 0.1rem;
}

.ds-opportunity-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 0.75rem;
}

.ds-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ds-meta-label {
  font-size: 0.65rem;
  color: var(--ds-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.ds-meta-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ds-text-primary);
}

.ds-explainability-drawer {
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  overflow: hidden;
  margin-top: var(--ds-space-md);
}

.ds-explainability-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  cursor: pointer;
  color: var(--ds-text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.15s;
  border: none;
  background: none;
  width: 100%;
}

.ds-explainability-toggle:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--ds-text-primary);
}

.ds-explainability-body {
  padding: 0 1rem 1rem;
}

.ds-driver-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ds-driver-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--ds-text-secondary);
  padding: 0.35rem 0;
}

.ds-driver-item i {
  margin-top: 0.15rem;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.ds-driver-item.positive i { color: var(--ds-success); }
.ds-driver-item.negative i { color: var(--ds-danger); }
.ds-driver-item.neutral i { color: var(--ds-text-muted); }

.ds-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--ds-space-md); }
.ds-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--ds-space-md); }
.ds-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--ds-space-md); }

@media (max-width: 768px) {
  .ds-grid-2, .ds-grid-3, .ds-grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .ds-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ds-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

.ds-text-gradient {
  background: var(--ds-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ds-divider {
  height: 1px;
  background: var(--ds-border);
  margin: var(--ds-space-lg) 0;
}

.ds-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ds-text-muted);
  border: 1px solid var(--ds-border);
}

.ds-tag.accent { background: var(--ds-accent-primary-dim); color: var(--ds-accent-primary-light); border-color: rgba(99, 102, 241, 0.2); }
.ds-tag.success { background: var(--ds-success-dim); color: var(--ds-success); border-color: rgba(34, 197, 94, 0.2); }
.ds-tag.warning { background: var(--ds-warning-dim); color: var(--ds-warning); border-color: rgba(245, 158, 11, 0.2); }
.ds-tag.danger { background: var(--ds-danger-dim); color: var(--ds-danger); border-color: rgba(239, 68, 68, 0.2); }

.ds-narrative-heat {
  background: var(--ds-gradient-card);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
}

.ds-narrative-score {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ds-narrative-bar {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.ds-narrative-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--ds-gradient-primary);
}

.ds-portfolio-risk-card {
  background: var(--ds-gradient-card);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-lg);
}

.ds-risk-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ds-border);
}

.ds-risk-indicator:last-child {
  border-bottom: none;
}

.ds-risk-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ds-risk-dot.low { background: var(--ds-success); }
.ds-risk-dot.medium { background: var(--ds-warning); }
.ds-risk-dot.high { background: var(--ds-danger); }

.ds-command-bar {
  display: flex;
  align-items: center;
  gap: var(--ds-space-sm);
  padding: var(--ds-space-sm) var(--ds-space-md);
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
}

.ds-input {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--ds-bg-input);
  border: 1px solid var(--ds-border-accent);
  border-radius: var(--ds-radius-md);
  color: var(--ds-text-primary);
  font-size: 0.88rem;
  font-family: var(--ds-font);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ds-input:focus {
  outline: none;
  border-color: var(--ds-accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.ds-input::placeholder {
  color: var(--ds-text-dim);
}