/**
 * Shuttle Call - Design System Variables
 * Professional PWA Color Palette from Logo
 * Powered by Erkan ERDEM
 */

:root {
  /* ========== Merit Hotels Primary Colors ========== */
  --primary-navy: #1A2B4A;
  --primary-navy-light: #2A3B5A;
  --primary-navy-dark: #0F1A2F;
  --primary-navy-darker: #0A1220;

  --royal-gold: #D4AF37;
  --royal-gold-light: #E4BF47;
  --royal-gold-dark: #B49527;

  --platinum-silver: #8B8B8B;
  --platinum-silver-light: #A8A8A8;
  --platinum-silver-dark: #6B6B6B;

  --pearl-white: #F8F8F8;
  --champagne-gold: #F7E7CE;
  --midnight-blue: #0F1419;
  --crystal-blue: #E8F4F8;

  /* ========== Semantic Colors ========== */
  --color-primary: var(--primary-navy);
  --color-primary-hover: var(--primary-navy-dark);
  --color-secondary: var(--royal-gold);
  --color-secondary-hover: var(--royal-gold-dark);

  --color-success: #2E7D32;
  --color-success-light: #4CAF50;
  --color-success-dark: #1B5E20;

  --color-danger: #B71C1C;
  --color-danger-light: #E53935;
  --color-danger-dark: #8B0000;

  --color-warning: var(--royal-gold);
  --color-warning-light: var(--royal-gold-light);
  --color-warning-dark: var(--royal-gold-dark);

  --color-info: #1565C0;
  --color-info-light: #42A5F5;
  --color-info-dark: #0D47A1;

  /* ========== Background Colors ========== */
  --bg-primary: #FFFFFF;
  --bg-secondary: var(--pearl-white);
  --bg-tertiary: var(--crystal-blue);
  --bg-dark: var(--primary-navy);
  --bg-darker: var(--midnight-blue);

  /* ========== Text Colors ========== */
  --text-primary: var(--primary-navy);
  --text-secondary: #5A6C7D;
  --text-muted: #95A5A6;
  --text-light: #FFFFFF;
  --text-gold: var(--royal-gold);
  --text-link: var(--primary-navy);

  /* ========== Border & Dividers ========== */
  --border-color: #DFE6E9;
  --border-color-dark: #B2BEC3;
  --divider-color: #ECEFF1;

  /* ========== Shadows ========== */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Colored Shadows */
  --shadow-primary: 0 10px 25px -5px rgba(26, 43, 74, 0.3);
  --shadow-secondary: 0 10px 25px -5px rgba(212, 175, 55, 0.3);
  --shadow-success: 0 10px 25px -5px rgba(46, 125, 50, 0.3);
  --shadow-danger: 0 10px 25px -5px rgba(183, 28, 28, 0.3);

  /* ========== Spacing Scale ========== */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */

  /* ========== Typography ========== */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* ========== Border Radius ========== */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;  /* Circular */

  /* ========== Transitions ========== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ========== Z-Index Scale ========== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* ========== PWA Specific ========== */
  --pwa-safe-area-top: env(safe-area-inset-top);
  --pwa-safe-area-bottom: env(safe-area-inset-bottom);
  --pwa-safe-area-left: env(safe-area-inset-left);
  --pwa-safe-area-right: env(safe-area-inset-right);

  /* ========== Status Colors ========== */
  --status-online: #10B981;
  --status-busy: #F59E0B;
  --status-offline: #6B7280;
  --status-available: var(--color-success);

  /* ========== Gradients ========== */
  --gradient-primary: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--royal-gold) 0%, var(--royal-gold-light) 100%);
  --gradient-gold: linear-gradient(135deg, var(--royal-gold) 0%, var(--royal-gold-light) 100%);
  --gradient-luxury: linear-gradient(135deg, var(--primary-navy) 0%, var(--royal-gold) 100%);
  --gradient-premium: linear-gradient(135deg, var(--platinum-silver) 0%, var(--pearl-white) 100%);

  /* ========== Component Specific ========== */
  --card-bg: var(--bg-primary);
  --card-border: var(--border-color);
  --card-shadow: var(--shadow-md);

  --button-height: 2.5rem;
  --button-height-sm: 2rem;
  --button-height-lg: 3rem;

  --input-height: 2.5rem;
  --input-border: var(--border-color);
  --input-focus-border: var(--primary-navy);

  /* ========== Header Heights ========== */
  --header-height: 4rem;
  --header-height-mobile: 3.5rem;

  /* ========== Sidebar Width ========== */
  --sidebar-width: 16rem;
  --sidebar-width-collapsed: 4rem;

  /* ========== Breakpoints (for JS) ========== */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ========== Dark Mode Variables ========== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1A252F;
    --bg-secondary: #2C3E50;
    --bg-tertiary: #34495E;

    --text-primary: #ECF0F1;
    --text-secondary: #BDC3C7;
    --text-muted: #7F8C8D;

    --border-color: #34495E;
    --card-bg: #2C3E50;
  }
}