/* ========================================
   CSS Variables - Design Tokens
   ======================================== */

:root {
  /* Colors - Primary */
  --color-primary: #977CF9;
  --color-primary-light: #8B7FE8;
  --color-primary-dark: #5A4CB8;
  --color-primary-50: #F5F3FF;
  --color-primary-100: #EDE9FE;

  /* Colors - Secondary */
  --color-green: #4CAF50;
  --color-coral: #FF6B6B;
  --color-yellow: #FFB800;
  --color-orange: #FF9500;
  --color-pink-light: #FFB6C1;
  --color-pink: #FF69B4;

  /* Colors - Neutral */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-neutral-50: #FAFAFA;
  --color-neutral-100: #F5F5F5;
  --color-neutral-200: #EEEEEE;
  --color-neutral-300: #E0E0E0;
  --color-neutral-400: #BDBDBD;
  --color-neutral-500: #9E9E9E;
  --color-neutral-600: #757575;
  --color-neutral-700: #616161;
  --color-neutral-800: #424242;
  --color-neutral-900: #212121;

  /* Gradients */
  --gradient-yellow-orange: linear-gradient(135deg, #FFB800 0%, #FF9500 100%);
  --gradient-green: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
  --gradient-purple: linear-gradient(135deg, #7C3AED 0%, #5B21B6 100%);
  --gradient-pink-light: linear-gradient(135deg, #FFC0CB 0%, #FFB6C1 100%);
  --gradient-pink: linear-gradient(135deg, #FF69B4 0%, #FF1493 100%);

  /* Typography */
  --font-family: "Google Sans", sans-serif;

  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --font-size-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* Spacing Scale (8px base) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* 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);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;

  /* Layout */
  --container-max: 1300px;
  --container-padding: var(--space-4);
  --header-height: 80px;
  --header-height-mobile: 64px;
}

/* Responsive adjustments */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-6);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-8);
  }
}