/* ==========================================================================
   MAIN DESIGN SYSTEM & BASE STYLES - AIBundleHub / DigiVault
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Vibrant Dark Theme with Neon Accents */
  --bg-primary: #07090e;
  --bg-secondary: #0f1420;
  --bg-tertiary: #161e31;
  --bg-card: rgba(22, 30, 49, 0.7);
  --bg-card-hover: rgba(30, 41, 67, 0.85);

  --accent-primary: #6366f1;       /* Indigo */
  --accent-secondary: #8b5cf6;     /* Violet */
  --accent-tertiary: #d946ef;      /* Fuchsia */
  --accent-cyan: #06b6d4;          /* Cyan */
  --accent-emerald: #10b981;       /* Emerald Green */
  --accent-amber: #f59e0b;         /* Amber */
  --accent-rose: #f43f5e;          /* Rose Red */

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --gradient-ai: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-emerald: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);

  /* Text Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --text-glow: rgba(255, 255, 255, 0.95);

  /* Border Colors */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  --border-glow: rgba(217, 70, 239, 0.5);

  /* Glassmorphism & Shadow Effects */
  --glass-bg: rgba(15, 20, 32, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-backdrop: blur(16px);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.3);

  /* Layout & Geometry */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
  color: inherit;
}

button {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Glass Card Utility */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-3px);
}

/* Gradient Text */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-ai {
  background: var(--gradient-ai);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-amber {
  background: var(--gradient-amber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Badge System */
.badge {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badge-discount {
  background: var(--gradient-amber);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
}

.badge-ai {
  background: var(--gradient-ai);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.4);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--accent-emerald);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--accent-secondary);
}

/* Buttons */
.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

.btn-ai {
  background: var(--gradient-ai);
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.btn-ai:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  color: #ffffff;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

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

/* Modal Overlay Base */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 750px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 1.2rem;
  z-index: 10;
}

.modal-close-btn:hover {
  background: rgba(244, 63, 94, 0.2);
  color: var(--accent-rose);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-hover);
  color: var(--text-main);
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease;
}

.toast-success {
  border-left: 4px solid var(--accent-emerald);
}

.toast-info {
  border-left: 4px solid var(--accent-cyan);
}

.toast-error {
  border-left: 4px solid var(--accent-rose);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}