/* OpportunityHub - Main Styles
 * Design: Data-focused Bloomberg Terminal meets Stripe Docs
 */

:root {
  /* Colors - Dark Navy Foundation */
  --color-bg-primary: #0A1628;
  --color-bg-secondary: #111D33;
  --color-bg-card: #FFFFFF;
  --color-bg-hover: #F8FAFC;

  /* AI Insights Box - Key Differentiator */
  --color-ai-bg: #FFFBEB;
  --color-ai-border: #F59E0B;
  --color-ai-text: #92400E;

  /* Text Colors */
  --color-text-primary: #0A1628;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;
  --color-text-inverse: #FFFFFF;

  /* Accent Colors */
  --color-accent-blue: #2563EB;
  --color-accent-blue-hover: #1D4ED8;
  --color-accent-green: #10B981;
  --color-accent-red: #EF4444;

  /* Borders */
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;

  /* Category Badge Colors */
  --color-gov-tender: #3B82F6;
  --color-business-signal: #8B5CF6;
  --color-partnership: #10B981;

  /* Typography */
  --font-heading: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Monaco', 'Courier New', monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Layout */
  --sidebar-width: 280px;
  --max-content-width: 1400px;
  --detail-max-width: 900px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-blue-hover);
}

/* Code & Monospace */
code, pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* Utility Classes */
.text-muted {
  color: var(--color-text-muted);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.font-mono {
  font-family: var(--font-mono);
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }