// MonacoUSA Portal - Main Stylesheet
// Based on design-system.md specifications

// ============================================
// 1. Variables & Design Tokens
// ============================================

// Monaco Red Spectrum
$monaco-red-50: #fef2f2;
$monaco-red-100: #fee2e2;
$monaco-red-200: #fecaca;
$monaco-red-300: #fca5a5;
$monaco-red-400: #f87171;
$monaco-red-500: #ef4444;
$monaco-red-600: #dc2626; // Primary Brand Color
$monaco-red-700: #b91c1c;
$monaco-red-800: #991b1b;
$monaco-red-900: #7f1d1d;

// Neutral Palette
$gray-50: #fafafa;
$gray-100: #f4f4f5;
$gray-200: #e4e4e7;
$gray-300: #d4d4d8;
$gray-400: #a1a1aa;
$gray-500: #71717a;
$gray-600: #52525b;
$gray-700: #3f3f46;
$gray-800: #27272a;
$gray-900: #18181b;

// Primary Gradients
$gradient-monaco: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
$gradient-monaco-light: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
$gradient-monaco-dark: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);

// Accent Gradients
$gradient-sunset: linear-gradient(135deg, #dc2626 0%, #f59e0b 100%);
$gradient-wine: linear-gradient(135deg, #991b1b 0%, #4c1d95 100%);
$gradient-royal: linear-gradient(135deg, #dc2626 0%, #1e40af 100%);

// Glass Gradients
$gradient-glass-light: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
$gradient-glass-dark: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%);

// Shadows
$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-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
$shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
$shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
$shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
$shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
$shadow-glass-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
$shadow-monaco: 0 10px 40px rgba(220, 38, 38, 0.15);
$shadow-monaco-intense: 0 20px 60px rgba(220, 38, 38, 0.25);

// Border Radius
$radius-sm: 0.125rem;
$radius-base: 0.25rem;
$radius-md: 0.375rem;
$radius-lg: 0.5rem;
$radius-xl: 0.75rem;
$radius-2xl: 1rem;
$radius-3xl: 1.5rem;
$radius-full: 9999px;

// Timing
$duration-fast: 150ms;
$duration-base: 300ms;
$duration-slow: 500ms;
$duration-slower: 700ms;

// Easing
$ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
$ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
$ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);

// ============================================
// 2. Glass Morphism Mixins
// ============================================

@mixin glass-effect($bg-opacity: 0.7, $blur: 20px) {
  background: rgba(255, 255, 255, $bg-opacity);
  backdrop-filter: blur($blur);
  -webkit-backdrop-filter: blur($blur);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: $shadow-glass;
}

@mixin glass-dark($bg-opacity: 0.7, $blur: 20px) {
  background: rgba(0, 0, 0, $bg-opacity);
  backdrop-filter: blur($blur);
  -webkit-backdrop-filter: blur($blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: $shadow-glass;
}

@mixin glass-colored($color: $monaco-red-600, $opacity: 0.1, $blur: 20px) {
  background: rgba($color, $opacity);
  backdrop-filter: blur($blur);
  -webkit-backdrop-filter: blur($blur);
  border: 1px solid rgba($color, 0.2);
  box-shadow: 0 8px 32px rgba($color, 0.1);
}

// Enhanced glass effect with gradient and inner glow
@mixin enhanced-glass($opacity: 0.9, $blur: 30px) {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, $opacity * 0.95),
    rgba(255, 255, 255, $opacity * 0.85),
    rgba(255, 255, 255, $opacity * 0.75)
  );
  backdrop-filter: blur($blur) saturate(180%);
  -webkit-backdrop-filter: blur($blur) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.08),
    inset 0 2px 4px rgba(255, 255, 255, 0.6),
    inset 0 -2px 4px rgba(0, 0, 0, 0.05);
  position: relative;
  
  // Noise texture overlay
  &::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: 
      repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.1) 35px, rgba(255,255,255,.1) 70px);
    pointer-events: none;
    border-radius: inherit;
  }
}

// ============================================
// 3. Animation Mixins
// ============================================

@mixin hover-lift($distance: -2px, $duration: $duration-base) {
  transition: transform $duration $ease-smooth, box-shadow $duration $ease-smooth;
  
  &:hover {
    transform: translateY($distance);
    box-shadow: $shadow-lg;
  }
}

@mixin hover-scale($scale: 1.05, $duration: $duration-base) {
  transition: transform $duration $ease-smooth;
  
  &:hover {
    transform: scale($scale);
  }
}

@mixin float-animation($distance: 10px, $duration: 3s) {
  animation: float $duration ease-in-out infinite;
  
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-$distance);
    }
  }
}

// Ripple effect on click
@mixin ripple-effect($color: $monaco-red-600) {
  position: relative;
  overflow: hidden;
  
  &::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba($color, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
  }
  
  &:active::after {
    width: 300px;
    height: 300px;
  }
}

// Icon rotation on hover
@mixin icon-hover-rotate($deg: 5deg, $duration: $duration-base) {
  .v-icon {
    transition: transform $duration $ease-smooth;
  }
  
  &:hover .v-icon {
    transform: rotate($deg);
  }
}

// Sliding active indicator
@mixin sliding-indicator($color: $monaco-red-600, $width: 4px) {
  position: relative;
  
  &::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: $width;
    background: linear-gradient(135deg, $color 0%, darken($color, 10%) 100%);
    border-radius: 0 $radius-base $radius-base 0;
    transform: scaleY(0);
    transform-origin: center;
    transition: transform $duration-base $ease-smooth;
  }
  
  &.active::before,
  &--active::before {
    transform: scaleY(1);
  }
}

// ============================================
// 4. Component Classes
// ============================================

// Glass Card
.glass-card {
  @include glass-effect();
  border-radius: $radius-2xl;
  padding: 1.5rem;
  @include hover-lift(-4px);
  
  &--dark {
    @include glass-dark();
  }
  
  &--colored {
    @include glass-colored();
  }
}

// Monaco Button
.monaco-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.25;
  border-radius: $radius-xl;
  transition: all $duration-base $ease-smooth;
  cursor: pointer;
  user-select: none;
  border: none;
  
  &--primary {
    background: $gradient-monaco;
    color: white;
    box-shadow: $shadow-md;
    
    &:hover:not(:disabled) {
      box-shadow: $shadow-monaco;
      transform: translateY(-1px);
    }
  }
  
  &--glass {
    @include glass-effect(0.8, 10px);
    color: $monaco-red-600;
    
    &:hover:not(:disabled) {
      background: rgba(255, 255, 255, 0.9);
      box-shadow: $shadow-glass-hover;
      transform: translateY(-1px);
    }
  }
  
  &--ghost {
    background: transparent;
    color: $monaco-red-600;
    border: 2px solid $monaco-red-600;
    
    &:hover:not(:disabled) {
      background: rgba($monaco-red-600, 0.1);
      border-color: $monaco-red-700;
    }
  }
  
  &:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
}

// ============================================
// 5. Layout Enhancements
// ============================================

// Navigation Drawer Glass Effect
.v-navigation-drawer {
  @include glass-effect(0.95, 30px);
  border-right: 1px solid rgba(255, 255, 255, 0.2) !important;
  
  .v-list-item {
    border-radius: $radius-xl;
    margin: 0.25rem 0.75rem;
    transition: all $duration-base $ease-smooth;
    
    &:hover {
      background: rgba($monaco-red-600, 0.05);
      transform: translateX(2px);
    }
    
    &--active {
      background: $gradient-glass-light;
      color: $monaco-red-600 !important;
      position: relative;
      
      &::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 70%;
        background: $gradient-monaco;
        border-radius: 0 2px 2px 0;
      }
      
      .v-icon {
        color: $monaco-red-600 !important;
      }
    }
  }
}

// App Bar Glass Effect
.v-app-bar {
  @include glass-effect(0.9, 20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  
  &.admin-bar {
    background: linear-gradient(135deg, 
      rgba($monaco-red-600, 0.95) 0%, 
      rgba($monaco-red-900, 0.95) 100%) !important;
  }
  
  &.board-bar {
    background: linear-gradient(135deg, 
      rgba($monaco-red-600, 0.9) 0%, 
      rgba($monaco-red-800, 0.9) 100%) !important;
  }
  
  &.member-bar {
    background: $gradient-monaco-light !important;
  }
}

// ============================================
// 6. Animation Classes
// ============================================

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

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

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fade-in $duration-base $ease-smooth;
}

.animate-slide-up {
  animation: slide-up $duration-base $ease-smooth;
}

.animate-scale-in {
  animation: scale-in $duration-base $ease-smooth;
}

// ============================================
// 7. Utility Classes
// ============================================

// Glass utilities
.glass { @include glass-effect(); }
.glass-dark { @include glass-dark(); }
.glass-colored { @include glass-colored(); }

// Shadow utilities
.shadow-monaco { box-shadow: $shadow-monaco; }
.shadow-glass { box-shadow: $shadow-glass; }

// Gradient utilities
.bg-gradient-monaco { background: $gradient-monaco; }
.bg-gradient-light { background: $gradient-monaco-light; }
.bg-gradient-dark { background: $gradient-monaco-dark; }

// ============================================
// 8. Responsive Utilities
// ============================================

// Breakpoints
$screen-sm: 640px;
$screen-md: 768px;
$screen-lg: 1024px;
$screen-xl: 1280px;

@mixin sm {
  @media (min-width: $screen-sm) { @content; }
}

@mixin md {
  @media (min-width: $screen-md) { @content; }
}

@mixin lg {
  @media (min-width: $screen-lg) { @content; }
}

@mixin xl {
  @media (min-width: $screen-xl) { @content; }
}

// ============================================
// 9. Motion Preferences
// ============================================

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

// ============================================
// 10. Custom Scrollbar
// ============================================

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: $radius-full;
}

::-webkit-scrollbar-thumb {
  background: $gradient-monaco;
  border-radius: $radius-full;
  
  &:hover {
    background: $gradient-monaco-dark;
  }
}