/* ============================================
   DENTAVIZION — Design Tokens
   🌿 Kid-Friendly Green Fun Edition! 🦷
   ============================================ */

:root {
  /* ── Color Palette — Bright Green & Fun ── */
  /* Primary: Playful Bright Green */
  --color-primary: #00C9A7;
  --color-primary-dark: #00B396;
  --color-primary-light: #33E8C8;
  --color-primary-50: #E0FFF7;
  --color-primary-100: #B3FFE9;
  --color-primary-200: #80FFD9;
  --color-primary-gradient: linear-gradient(135deg, #00C9A7 0%, #33E8C8 100%);

  /* Accent: Bright Coral-Orange */
  --color-accent: #FF7B54;
  --color-accent-dark: #E8654A;
  --color-accent-light: #FF9B80;
  --color-accent-50: #FFF3ED;
  --color-accent-100: #FFD9CC;
  --color-accent-gradient: linear-gradient(135deg, #FF7B54 0%, #FF9B80 50%, #FFB8A3 100%);

  /* Fun Extra Colors — Bright & Cheerful */
  --color-fun-yellow: #FFD93D;
  --color-fun-yellow-light: #FFF3B0;
  --color-fun-green: #4ADE80;
  --color-fun-green-light: #DCFCE7;
  --color-fun-blue: #60A5FA;
  --color-fun-blue-light: #DBEAFE;
  --color-fun-orange: #FB923C;
  --color-fun-orange-light: #FFF7ED;
  --color-fun-lime: #84CC16;
  --color-fun-lime-light: #F7FEE7;
  --color-fun-mint: #5EEAD4;
  --color-fun-mint-light: #CCFBF1;

  /* Backgrounds — Soft & Warm */
  --color-bg-primary: #F5FFFB;
  --color-bg-secondary: #FFFFFF;
  --color-bg-card: #FFFFFF;
  --color-bg-card-green: #E0FFF7;
  --color-bg-card-coral: #FFF3ED;
  --color-bg-card-yellow: #FFF8E1;
  --color-bg-overlay: rgba(0, 0, 0, 0.35);

  /* Text Colors — Friendly Dark Green */
  --color-text-primary: #1A3B34;
  --color-text-secondary: #5A7A72;
  --color-text-tertiary: #8AADA3;
  --color-text-inverse: #FFFFFF;
  --color-text-accent: #00C9A7;
  --color-text-coral: #FF7B54;

  /* Status Colors */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* ── Typography — Fun & Rounded ── */
  --font-family: 'Nunito', 'Comic Sans MS', -apple-system, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Font Sizes — fluid scale */
  --text-xs: clamp(0.625rem, 0.6rem + 0.15vw, 0.75rem);
  --text-sm: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.83rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
  --text-2xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-3xl: clamp(1.5rem, 1.35rem + 0.7vw, 1.875rem);
  --text-4xl: clamp(1.875rem, 1.7rem + 0.9vw, 2.25rem);

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

  /* ── Spacing ── */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.25rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 2.5rem;
  --space-4xl: 3rem;

  /* ── Layout ── */
  --container-max: 430px;
  --container-padding: var(--space-lg);
  --nav-height: 64px;
  --header-height: 56px;

  /* ── Border Radius — Extra Rounded & Bubbly ── */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* ── Shadows — Green & Soft ── */
  --shadow-sm: 0 2px 8px rgba(0, 201, 167, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 201, 167, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 201, 167, 0.1);
  --shadow-xl: 0 12px 48px rgba(0, 201, 167, 0.14);
  --shadow-glow-primary: 0 4px 24px rgba(0, 201, 167, 0.3);
  --shadow-glow-accent: 0 4px 24px rgba(255, 123, 84, 0.3);
  --shadow-glow-yellow: 0 4px 24px rgba(255, 217, 61, 0.3);

  /* ── Transitions — Bouncy & Playful ── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ── Z-Index Scale ── */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-toast: 50;
  --z-tooltip: 60;
}

/* ── High Contrast Mode (Blind/Audio Path) ── */
[data-mode="blind"] {
  --color-primary: #008066;
  --color-primary-dark: #006B55;
  --color-accent: #E05530;
  --color-text-primary: #000000;
  --color-text-secondary: #333333;
  --color-bg-primary: #FFFFFF;
  --color-bg-card: #F0F0F0;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
    --transition-spring: 0ms;
    --transition-bounce: 0ms;
  }
}

/* ── Dark Mode (optional future support) ── */
@media (prefers-color-scheme: dark) {
  :root {
    /* Reserved for future dark mode implementation */
  }
}