/* MGC Core Semantics Reference Monitor - Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #111726;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(26, 36, 56, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.25);

  /* Effect Level Semantic Colors */
  --color-deny: #ef4444;
  --color-deny-bg: rgba(239, 68, 68, 0.15);
  --color-deny-glow: rgba(239, 68, 68, 0.3);

  --color-review: #f59e0b;
  --color-review-bg: rgba(245, 158, 11, 0.15);

  --color-remediation: #f97316;
  --color-remediation-bg: rgba(249, 115, 22, 0.15);

  --color-monitor: #06b6d4;
  --color-monitor-bg: rgba(6, 182, 212, 0.15);
  --color-monitor-glow: rgba(6, 182, 212, 0.3);

  --color-none: #10b981;
  --color-none-bg: rgba(16, 185, 129, 0.15);
  --color-none-glow: rgba(16, 185, 129, 0.3);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.12), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(16, 185, 129, 0.08), transparent 40%);
  background-attachment: fixed;
}

/* Header */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(10, 13, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-badge {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  box-shadow: 0 0 15px var(--accent-glow);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.78rem;
}

/* Main Layout Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  max-width: 1700px;
  margin: 0 auto;
}

@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Glass Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Quick Scenarios Bar */
.scenarios-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.scenario-pill {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scenario-pill:hover, .scenario-pill.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: #fff;
}

/* Graph Canvas Container */
.dag-container {
  height: 480px;
  position: relative;
  background: #07090e;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

canvas#dagCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.dag-legend {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  gap: 0.75rem;
  font-size: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.badge-deny {
  background: var(--color-deny-bg);
  color: var(--color-deny);
  border: 1px solid rgba(239, 68, 68, 0.3);
  box-shadow: 0 0 10px var(--color-deny-glow);
}

.badge-review {
  background: var(--color-review-bg);
  color: var(--color-review);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-remediation {
  background: var(--color-remediation-bg);
  color: var(--color-remediation);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge-monitor {
  background: var(--color-monitor-bg);
  color: var(--color-monitor);
  border: 1px solid rgba(6, 182, 212, 0.3);
  box-shadow: 0 0 10px var(--color-monitor-glow);
}

.badge-none {
  background: var(--color-none-bg);
  color: var(--color-none);
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: 0 0 10px var(--color-none-glow);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 0.85rem;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* Live Evaluation Banner */
.eval-outcome-banner {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
}

.outcome-deny {
  background: var(--color-deny-bg);
  border-color: rgba(239, 68, 68, 0.4);
}

.outcome-none {
  background: var(--color-none-bg);
  border-color: rgba(16, 185, 129, 0.4);
}

.outcome-monitor {
  background: var(--color-monitor-bg);
  border-color: rgba(6, 182, 212, 0.4);
}

.outcome-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.outcome-value {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 500;
}

.data-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.mono-cell {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-content {
  background: #111726;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  width: 90%;
  max-width: 520px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
}