/**
 * Zaviyan LLC - Elite Affiliate Hub
 * File: styles.css
 * Description: Custom Glassmorphism UI tokens, theme variables, micro-interactions, and animations.
 * Compliant with modern web standards and optimized for high-performance rendering.
 */

/* ==========================================================================
   Root Theme Variables & Design Tokens
   ========================================================================== */
:root {
  /* Color Palette - Dark Mode Default */
  --bg-primary: #0a0c10;
  --bg-secondary: #12161f;
  --bg-surface: rgba(18, 22, 31, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --bg-glass-card: rgba(20, 26, 38, 0.65);
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.18);
  --border-glow: rgba(56, 189, 248, 0.25);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;
  
  --accent-primary: #38bdf8;
  --accent-secondary: #818cf8;
  --accent-gold: #f59e0b;
  --accent-amazon: #ff9900;
  --accent-amazon-hover: #e68a00;
  
  --glow-primary: rgba(56, 189, 248, 0.15);
  --glow-accent: rgba(129, 140, 248, 0.15);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-card-hover: 0 20px 40px -15px rgba(56, 189, 248, 0.15);
  
  --blur-strength: 16px;
  --radius-card: 1.25rem;
  --radius-pill: 9999px;
  --radius-button: 0.875rem;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light Mode Overrides when data-theme="light" */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.7);
  --bg-glass-hover: rgba(255, 255, 255, 0.95);
  --bg-glass-card: rgba(255, 255, 255, 0.75);
  
  --border-glass: rgba(148, 163, 184, 0.2);
  --border-glass-hover: rgba(148, 163, 184, 0.4);
  --border-glow: rgba(14, 165, 233, 0.3);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-accent: #0284c7;
  
  --shadow-glass: 0 8px 30px 0 rgba(148, 163, 184, 0.12);
  --shadow-card-hover: 0 20px 40px -12px rgba(14, 165, 233, 0.15);
}

/* ==========================================================================
   Global Reset & Base Typography
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(129, 140, 248, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
}

[data-theme="light"] body {
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(14, 165, 233, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(99, 102, 241, 0.04) 0%, transparent 45%);
}

/* ==========================================================================
   Glassmorphic Utility Classes
   ========================================================================== */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur-strength));
  -webkit-backdrop-filter: blur(var(--blur-strength));
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass);
}

.glass-nav {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.2);
}

.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  transition: transform var(--transition-bounce), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent
  );
  transition: 0.6s ease;
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-card-hover);
}

.glass-card:hover::before {
  left: 100%;
}

.glass-modal {
  background: var(--bg-surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass-hover);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.glass-pill {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.glass-pill:hover,
.glass-pill.active {
  background: var(--accent-primary);
  color: #04131f;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 14px 0 rgba(56, 189, 248, 0.35);
}

[data-theme="light"] .glass-pill:hover,
[data-theme="light"] .glass-pill.active {
  color: #ffffff;
}

.glass-input {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--glow-primary);
}

/* ==========================================================================
   Typography & Gradient Accents
   ========================================================================== */
.text-gradient {
  background: linear-gradient(135deg, #f8fafc 15%, #38bdf8 60%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .text-gradient {
  background: linear-gradient(135deg, #0f172a 15%, #0284c7 60%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gold-gradient {
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Specialized Conversion Buttons
   ========================================================================== */
.btn-amazon {
  background: linear-gradient(135deg, #ff9900 0%, #f08804 100%);
  color: #111827;
  font-weight: 700;
  border-radius: var(--radius-button);
  box-shadow: 0 4px 14px 0 rgba(255, 153, 0, 0.35);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-amazon:hover {
  background: linear-gradient(135deg, #ffad33 0%, #ff9900 100%);
  box-shadow: 0 6px 20px 0 rgba(255, 153, 0, 0.5);
  transform: translateY(-2px);
  color: #000000;
}

.btn-amazon:active {
  transform: translateY(0);
}

.btn-outline-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-radius: var(--radius-button);
  transition: all var(--transition-fast);
}

.btn-outline-glass:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  color: var(--accent-primary);
}

/* ==========================================================================
   Star Ratings & Micro Badges
   ========================================================================== */
.star-filled {
  color: #fbbf24;
}

.star-empty {
  color: #475569;
}

[data-theme="light"] .star-empty {
  color: #cbd5e1;
}

.badge-prime {
  background: linear-gradient(90deg, #00a8e8, #0077b6);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.badge-exclusive {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Product Image Container Aspect Ratios
   ========================================================================== */
.product-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 80%; /* 5:4 aspect ratio */
  overflow: hidden;
  border-radius: calc(var(--radius-card) - 4px);
  background: rgba(0, 0, 0, 0.1);
}

.product-image-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover .product-image-wrapper img {
  transform: scale(1.06);
}

/* ==========================================================================
   Custom Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-glass-hover);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ==========================================================================
   Toast Notification & Floating Utilities
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: var(--bg-surface);
  border: 1px solid var(--accent-primary);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  padding: 0.875rem 1.25rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  transform: translateY(150%);
  opacity: 0;
  transition: transform var(--transition-bounce), opacity var(--transition-normal);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Keyframe Animations
   ========================================================================== */
@keyframes pulseSubtle {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
}

.animate-pulse-subtle {
  animation: pulseSubtle 3s infinite ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   Responsive & Print Utilities
   ========================================================================== */
@media (max-width: 640px) {
  .toast {
    left: 1rem;
    right: 1rem;
    bottom: 1.5rem;
  }
  
  .glass-card {
    border-radius: 1rem;
  }
}