/**
 * 🎨 PUKITO DESIGN SYSTEM - ADVANCED
 * Sistema de design moderno com tokens, escalas e padrões avançados
 */

:root {
  /* ===== COLOR SYSTEM ===== */
  
  /* Primary Palette - Gradientes e variações */
  --color-primary-50: #f0f1ff;
  --color-primary-100: #e0e3ff;
  --color-primary-200: #c7ccff;
  --color-primary-300: #a5acff;
  --color-primary-400: #7a83ff;
  --color-primary-500: #6366f1;
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;
  --color-primary: var(--color-primary-500);
  
  /* Secondary Palette */
  --color-secondary-50: #fff0fb;
  --color-secondary-100: #ffe0f7;
  --color-secondary-200: #ffc7f0;
  --color-secondary-300: #ffa5e5;
  --color-secondary-400: #ff8ce0;
  --color-secondary-500: #ec4899;
  --color-secondary-600: #db2777;
  --color-secondary-700: #be185d;
  --color-secondary-800: #9f1239;
  --color-secondary-900: #831843;
  --color-secondary: var(--color-secondary-500);
  
  /* Success Palette */
  --color-success-50: #f0fdf4;
  --color-success-100: #dcfce7;
  --color-success-200: #bbf7d0;
  --color-success-300: #86efac;
  --color-success-400: #4ade80;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-success-700: #15803d;
  --color-success-800: #166534;
  --color-success-900: #14532d;
  --color-success: var(--color-success-500);
  
  /* Warning Palette */
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-200: #fde68a;
  --color-warning-300: #fcd34d;
  --color-warning-400: #fbbf24;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  --color-warning-800: #92400e;
  --color-warning-900: #78350f;
  --color-warning: var(--color-warning-500);
  
  /* Error Palette */
  --color-error-50: #fef2f2;
  --color-error-100: #fee2e2;
  --color-error-200: #fecaca;
  --color-error-300: #fca5a5;
  --color-error-400: #f87171;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-error-700: #b91c1c;
  --color-error-800: #991b1b;
  --color-error-900: #7f1d1d;
  --color-error: var(--color-error-500);
  
  /* Neutral Palette */
  --color-gray-50: #fafafa;
  --color-gray-100: #f4f4f5;
  --color-gray-200: #e4e4e7;
  --color-gray-300: #d4d4d8;
  --color-gray-400: #a1a1aa;
  --color-gray-500: #71717a;
  --color-gray-600: #52525b;
  --color-gray-700: #3f3f46;
  --color-gray-800: #27272a;
  --color-gray-900: #18181b;
  
  /* ===== GRADIENTS ===== */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary-400) 0%, var(--color-secondary-600) 100%);
  --gradient-success: linear-gradient(135deg, var(--color-success-400) 0%, var(--color-success-600) 100%);
  --gradient-rainbow: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
  --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-ocean: linear-gradient(135deg, #2e3192 0%, #1bffff 100%);
  --gradient-fire: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* ===== SPACING SYSTEM (8px base) ===== */
  --space-0: 0;
  --space-0-5: 0.125rem;  /* 2px */
  --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-7: 1.75rem;     /* 28px */
  --space-8: 2rem;        /* 32px */
  --space-9: 2.25rem;     /* 36px */
  --space-10: 2.5rem;     /* 40px */
  --space-12: 3rem;       /* 48px */
  --space-14: 3.5rem;     /* 56px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */
  --space-24: 6rem;       /* 96px */
  --space-32: 8rem;       /* 128px */
  
  /* ===== TYPOGRAPHY SCALE ===== */
  --font-family-sans: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-display: 'Fredoka One', cursive;
  --font-family-mono: 'Fira Code', 'Cascadia Code', Consolas, monospace;
  
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);      /* 12-14px */
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);        /* 14-16px */
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);      /* 16-18px */
  --font-size-md: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);       /* 18-20px */
  --font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);        /* 20-24px */
  --font-size-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);              /* 24-32px */
  --font-size-2xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);             /* 32-48px */
  --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);             /* 40-64px */
  --font-size-4xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);             /* 48-80px */
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
  
  /* ===== BORDER RADIUS ===== */
  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-base: 0.5rem;   /* 8px */
  --radius-md: 0.75rem;    /* 12px */
  --radius-lg: 1rem;       /* 16px */
  --radius-xl: 1.5rem;     /* 24px */
  --radius-2xl: 2rem;      /* 32px */
  --radius-3xl: 3rem;      /* 48px */
  --radius-full: 9999px;
  
  /* ===== SHADOWS (Elevation System) ===== */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 50px 100px -20px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  
  /* Colored Shadows */
  --shadow-primary: 0 10px 30px -5px rgba(99, 102, 241, 0.4);
  --shadow-secondary: 0 10px 30px -5px rgba(236, 72, 153, 0.4);
  --shadow-success: 0 10px 30px -5px rgba(34, 197, 94, 0.4);
  --shadow-warning: 0 10px 30px -5px rgba(245, 158, 11, 0.4);
  --shadow-error: 0 10px 30px -5px rgba(239, 68, 68, 0.4);
  
  /* Neumorphic Shadows */
  --shadow-neumorphic: 
    6px 6px 12px rgba(0, 0, 0, 0.15),
    -6px -6px 12px rgba(255, 255, 255, 0.7);
  --shadow-neumorphic-inset: 
    inset 4px 4px 8px rgba(0, 0, 0, 0.15),
    inset -4px -4px 8px rgba(255, 255, 255, 0.7);
  
  /* ===== GLASSMORPHISM ===== */
  --glass-blur: 12px;
  --glass-blur-heavy: 24px;
  --glass-background: rgba(255, 255, 255, 0.1);
  --glass-background-dark: rgba(0, 0, 0, 0.3);
  --glass-border: 1px solid rgba(255, 255, 255, 0.2);
  --glass-border-dark: 1px solid rgba(255, 255, 255, 0.1);
  
  /* ===== TRANSITIONS ===== */
  --transition-fastest: 100ms;
  --transition-fast: 150ms;
  --transition-base: 200ms;
  --transition-medium: 300ms;
  --transition-slow: 500ms;
  --transition-slowest: 700ms;
  
  /* Easing Functions */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-elastic: cubic-bezier(0.68, -0.6, 0.32, 1.6);
  
  /* ===== Z-INDEX SCALE ===== */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal-backdrop: 1300;
  --z-modal: 1400;
  --z-popover: 1500;
  --z-tooltip: 1600;
  --z-toast: 1700;
  --z-highest: 9999;
  
  /* ===== BACKDROP FILTERS ===== */
  --backdrop-blur-sm: blur(4px);
  --backdrop-blur-base: blur(8px);
  --backdrop-blur-md: blur(12px);
  --backdrop-blur-lg: blur(16px);
  --backdrop-blur-xl: blur(24px);
  --backdrop-blur-2xl: blur(40px);
  
  /* ===== ANIMATION DURATIONS ===== */
  --duration-instant: 50ms;
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-medium: 500ms;
  --duration-slow: 700ms;
  --duration-very-slow: 1000ms;
  
  /* ===== BREAKPOINTS (for JS usage) ===== */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --color-primary: var(--color-primary-400);
  --color-secondary: var(--color-secondary-400);
  
  --color-text: var(--color-gray-50);
  --color-text-secondary: var(--color-gray-300);
  --color-text-tertiary: var(--color-gray-400);
  
  --color-bg: #0f0f1a;
  --color-bg-secondary: #1a1a2e;
  --color-bg-tertiary: #252541;
  
  --glass-background: rgba(255, 255, 255, 0.05);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  
  --shadow-neumorphic: 
    6px 6px 12px rgba(0, 0, 0, 0.4),
    -6px -6px 12px rgba(255, 255, 255, 0.02);
}

/* ===== LIGHT THEME (Default) ===== */
[data-theme="light"], :root {
  --color-text: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  
  --color-bg: #ffffff;
  --color-bg-secondary: var(--color-gray-50);
  --color-bg-tertiary: var(--color-gray-100);
}

/* ===== UTILITY CLASSES ===== */

/* Glass Components */
.glass {
  background: var(--glass-background);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
}

.glass-heavy {
  background: var(--glass-background-dark);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border: var(--glass-border);
}

/* Neumorphic Components */
.neumorphic {
  background: var(--color-bg-secondary);
  box-shadow: var(--shadow-neumorphic);
  border-radius: var(--radius-xl);
}

.neumorphic-inset {
  background: var(--color-bg-secondary);
  box-shadow: var(--shadow-neumorphic-inset);
  border-radius: var(--radius-lg);
}

/* Elevation Classes */
.elevation-0 { box-shadow: none; }
.elevation-1 { box-shadow: var(--shadow-xs); }
.elevation-2 { box-shadow: var(--shadow-sm); }
.elevation-3 { box-shadow: var(--shadow-base); }
.elevation-4 { box-shadow: var(--shadow-md); }
.elevation-5 { box-shadow: var(--shadow-lg); }
.elevation-6 { box-shadow: var(--shadow-xl); }
.elevation-7 { box-shadow: var(--shadow-2xl); }

/* Gradient Backgrounds */
.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }
.bg-gradient-rainbow { background: var(--gradient-rainbow); }
.bg-gradient-sunset { background: var(--gradient-sunset); }
.bg-gradient-ocean { background: var(--gradient-ocean); }
.bg-gradient-fire { background: var(--gradient-fire); }

/* Smooth Transitions */
.transition-all {
  transition: all var(--transition-base) var(--ease-in-out);
}

.transition-fast {
  transition: all var(--transition-fast) var(--ease-out);
}

.transition-spring {
  transition: all var(--transition-medium) var(--ease-spring);
}

.transition-bounce {
  transition: all var(--transition-medium) var(--ease-bounce);
}

/* GPU Acceleration */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Smooth Scroll */
.smooth-scroll {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Focus Styles */
.focus-ring:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.focus-ring:focus:not(:focus-visible) {
  outline: none;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base) var(--ease-out),
              box-shadow var(--transition-base) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: box-shadow var(--transition-medium) var(--ease-out);
}

.hover-glow:hover {
  box-shadow: var(--shadow-primary);
}

/* Animations */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--color-primary-400);
  }
  50% {
    box-shadow: 0 0 20px 10px transparent;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes rotate-360 {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes scale-in {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Animation Utilities */
.animate-shimmer {
  animation: shimmer 2s infinite linear;
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0%,
    var(--color-gray-300) 50%,
    var(--color-gray-200) 100%
  );
  background-size: 1000px 100%;
}

.animate-pulse-glow {
  animation: pulse-glow 2s infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-rotate {
  animation: rotate-360 1s linear infinite;
}

.animate-scale-in {
  animation: scale-in var(--duration-base) var(--ease-out);
}

.animate-slide-up {
  animation: slide-up var(--duration-base) var(--ease-out);
}

.animate-fade-in {
  animation: fade-in var(--duration-base) var(--ease-out);
}