/* ========================================
   CSS VARIABLES (Design Tokens)
   Based on BillFlux logo colors and Taggun style
   ======================================== */

:root {
  /* ===== COLORS ===== */

  /* Primary Colors (from logo - dark blue & cyan) */
  --color-primary: #1e3a5f; /* Deep navy blue - main brand color */
  --color-primary-dark: #152a45; /* Darker navy for hover states */
  --color-primary-light: #2d5a8f; /* Lighter navy for backgrounds */

  --color-secondary: #4fc3f7; /* Bright cyan - accent color from logo */
  --color-accent: #00bcd4; /* Vibrant cyan - for CTAs and highlights */
  --color-accent-hover: #0097a7; /* Darker cyan for hover */

  /* Neutral Colors */
  --color-text-dark: #1a1a1a; /* Primary text color */
  --color-text-medium: #4a4a4a; /* Secondary text color */
  --color-text-light: #666666; /* Tertiary text color */
  --color-text-muted: #999999; /* Muted text / placeholders */

  --color-bg-white: #ffffff; /* Pure white background */
  --color-bg-gray: #f5f7fa; /* Light gray background */
  --color-bg-gray-dark: #e8ecf1; /* Darker gray for dividers */

  /* Semantic Colors */
  --color-success: #4caf50; /* Success messages */
  --color-warning: #ff9800; /* Warning messages */
  --color-error: #f44336; /* Error messages */
  --color-info: #2196f3; /* Info messages */

  /* Border Colors */
  --color-border-light: #e0e0e0; /* Light borders */
  --color-border-medium: #cccccc; /* Medium borders */
  --color-border-dark: #999999; /* Dark borders */

  /* ===== TYPOGRAPHY ===== */

  /* Font Families */
  --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono",
    Consolas, "Courier New", monospace;

  /* Font Sizes */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  --font-size-6xl: 60px;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* ===== SPACING ===== */

  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  /* ===== LAYOUT ===== */

  --max-width-container: 1200px; /* Main content container */
  --max-width-text: 800px; /* Text content max width */
  --max-width-narrow: 600px; /* Narrow content (forms) */

  /* ===== BORDER RADIUS ===== */

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px; /* Fully rounded (pills) */

  /* ===== SHADOWS ===== */

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);

  /* Colored Shadows */
  --shadow-primary: 0 4px 12px rgba(30, 58, 95, 0.2);
  --shadow-accent: 0 4px 12px rgba(0, 188, 212, 0.3);

  /* ===== TRANSITIONS ===== */

  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* ===== Z-INDEX LAYERS ===== */

  --z-dropdown: 100;
  --z-sticky: 500;
  --z-navbar: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;
}