/* ==========================================================================
   12Testers - Theme Variables & Design System
   Core Theme Colors: 
   - #E3F2FD (Soft Blue - Main App Background & Tinted Surfaces)
   - #90CAF9 (Sky Blue - Secondary Surface, Borders & Highlights)
   - #2196F3 (Primary Vibrant Blue - Accent, Buttons & Brand)
   ========================================================================== */

:root {
  /* Core Blue Theme Palette */
  --color-sage: #2196F3;
  --color-sage-light: #64B5F6;
  --color-sage-dark: #1976D2;
  --color-sage-darker: #0D47A1;
  --color-sage-glow: rgba(33, 150, 243, 0.35);
  --color-sage-subtle: rgba(33, 150, 243, 0.12);

  --color-cream: #E3F2FD;
  --color-cream-light: #F0F7FF;
  --color-cream-dark: #BBDEFB;

  --color-linen: #90CAF9;
  --color-linen-light: #EBF5FE;
  --color-linen-border: #90CAF9;
  --color-linen-glow: rgba(144, 202, 249, 0.45);

  --color-grey: #E3F2FD;
  --color-grey-light: #F0F7FF;
  --color-grey-dark: #BBDEFB;
  --color-grey-border: #90CAF9;

  /* Legacy theme aliases for seamless integration */
  --color-primary-navy: #0D2538; /* Deep Midnight Navy for high contrast */
  --color-primary-navy-dark: #071520;
  --color-primary-navy-darker: #040C12;
  --color-primary-navy-light: #153248;

  --color-slate-blue: #2196F3;
  --color-slate-blue-light: #90CAF9;
  --color-slate-blue-dark: #1976D2;
  --color-slate-blue-glow: rgba(33, 150, 243, 0.3);

  /* Functional Status Colors */
  --color-success: #2E7D32;
  --color-success-dark: #1B5E20;
  --color-success-glow: rgba(46, 125, 50, 0.25);
  --color-warning: #ED6C02;
  --color-warning-glow: rgba(237, 108, 2, 0.2);
  --color-danger: #D32F2F;
  --color-info: #0288D1;

  /* Surfaces & Backgrounds */
  --bg-app: #E3F2FD;
  --bg-app-rgb: 227, 242, 253;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F5FAFF;
  --bg-card-subtle: #EBF5FE;
  --bg-glass: rgba(227, 242, 253, 0.90);
  --bg-glass-elevated: rgba(255, 255, 255, 0.96);
  --bg-input: #FFFFFF;

  /* Text & Typography */
  --text-main: #0D2538;
  --text-heading: #091B29;
  --text-cream: #0D2538;
  --text-muted: #3B5266;
  --text-subtle: #546E7A;
  --text-inverse: #FFFFFF;
  --text-accent: #1976D2;

  /* Borders & Dividers */
  --border-light: rgba(144, 202, 249, 0.35);
  --border-strong: #90CAF9;
  --border-accent: #2196F3;
  --border-card: #BBDEFB;
  --border-neutral: #90CAF9;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(13, 37, 56, 0.05);
  --shadow-md: 0 8px 24px rgba(13, 37, 56, 0.08);
  --shadow-lg: 0 16px 40px rgba(13, 37, 56, 0.12);
  --shadow-glow-slate: 0 0 35px rgba(33, 150, 243, 0.28);
  --shadow-glow-cream: 0 0 28px rgba(144, 202, 249, 0.4);
  --shadow-glow-green: 0 0 28px rgba(33, 150, 243, 0.25);

  /* Typography Scale */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}