/* Global design tokens and base layout extracted from index.html */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #64748b;
  --success: #10b981;
  --success-light: #dcfce7;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-elevated: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile */
  overflow-x: hidden;
  overflow-y: hidden; /* Prevent double scrollbars; delegate scroll to pages */
  margin: 0;
  color-scheme: light;
}

body.theme-light {
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-elevated: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  color-scheme: light;
}

body.theme-dark {
  --background: #0f172a;
  --surface: #1e293b;
  --surface-elevated: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #64748b;
  --border: #334155;
  --border-light: #293747;
  color-scheme: dark;
}