/* =============================================
   UiTM e-Marketplace - Glassmorphism & Enhanced Design System
   Version: 2.0
   Description: Modern glassmorphism effects, UiTM branding, and premium UI enhancements
   ============================================= */

/* ===== UiTM Color Theme Override ===== */
:root {
  /* UiTM Official Brand Colors */
  --uitm-purple: #3A0B61;
  --uitm-purple-dark: #2E004F;
  --uitm-purple-light: #4A1B71;
  --uitm-gold: #FFD700;
  --uitm-gold-hover: #F5C700;
  --uitm-white: #FFFFFF;
  
  /* Override Primary Colors */
  --primary-uitm: #3A0B61 !important;
  --primary-hover: #2E004F !important;
  --primary-light: #4A1B71;
  --accent: #FFD700 !important;
  --accent-hover: #F5C700;

  /* Background Enhancements */
  --bg-purple-light: #F5F0FA;
  --bg-gradient-purple: linear-gradient(135deg, #3A0B61 0%, #2E004F 50%, #3A0B61 100%);
  --bg-gradient-gold: linear-gradient(135deg, #FFD700 0%, #F5C700 100%);
  
  /* Updated Navigation & Buttons */
  --nav-bg: #3A0B61 !important;
  --button-primary: #3A0B61 !important;
  --button-primary-hover: #2E004F !important;
  --button-gold: #FFD700;
  --button-gold-hover: #F5C700;

  /* Glassmorphism Variables */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-bg-white: rgba(255, 255, 255, 0.85);
  --glass-bg-purple: rgba(58, 11, 97, 0.85);
  --glass-bg-dark: rgba(46, 0, 79, 0.9);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-border-purple: rgba(58, 11, 97, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --glass-shadow-strong: 0 12px 40px 0 rgba(58, 11, 97, 0.25);
  --backdrop-blur: blur(12px);
  --backdrop-blur-strong: blur(20px);
  --backdrop-blur-light: blur(8px);

  /* Enhanced Shadows */
  --shadow-gold: 0 4px 12px rgba(255, 215, 0, 0.3);
  --shadow-gold-hover: 0 8px 20px rgba(255, 215, 0, 0.4);
  --shadow-purple: 0 8px 16px rgba(58, 11, 97, 0.2);
  --shadow-purple-hover: 0 12px 24px rgba(58, 11, 97, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Enhanced Transitions */
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== Motion Gradient Background ===== */
@keyframes gradientMotion {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes gradientWave {
  0%, 100% {
    background-position: 0% 0%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
}

.animated-gradient-bg {
  background: linear-gradient(
    135deg,
    #3A0B61 0%,
    #2E004F 25%,
    #3A0B61 50%,
    #4A1B71 75%,
    #3A0B61 100%
  );
  background-size: 400% 400%;
  animation: gradientMotion 15s ease infinite;
}

.animated-gradient-subtle {
  background: linear-gradient(
    135deg,
    #F5F0FA 0%,
    #FFFFFF 25%,
    #F8FAFC 50%,
    #F5F0FA 100%
  );
  background-size: 400% 400%;
  animation: gradientWave 20s ease-in-out infinite;
}

.gradient-overlay {
  position: relative;
  overflow: hidden;
}

.gradient-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(58, 11, 97, 0.05) 0%,
    rgba(255, 215, 0, 0.05) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* ===== Glassmorphism Utility Classes ===== */

.glass-card {
  background: var(--glass-bg-white);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s var(--transition-smooth);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--glass-shadow-strong);
  transform: translateY(-2px);
}

.glass-card-purple {
  background: var(--glass-bg-purple);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  box-shadow: var(--shadow-purple);
  color: var(--uitm-white);
}

.glass-card-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: var(--backdrop-blur-strong);
  -webkit-backdrop-filter: var(--backdrop-blur-strong);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 16px;
  box-shadow: var(--shadow-purple);
  color: var(--uitm-white);
}

.glass-header {
  background: var(--glass-bg-white);
  backdrop-filter: var(--backdrop-blur-light);
  -webkit-backdrop-filter: var(--backdrop-blur-light);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.glass-sidebar {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-right: 1px solid var(--glass-border);
  box-shadow: 4px 0 12px rgba(0, 0, 0, 0.05);
}

.glass-modal {
  background: var(--glass-bg-white);
  backdrop-filter: var(--backdrop-blur-strong);
  -webkit-backdrop-filter: var(--backdrop-blur-strong);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.glass-button {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur-light);
  -webkit-backdrop-filter: var(--backdrop-blur-light);
  border: 1px solid var(--glass-border);
  transition: all 0.3s var(--transition-smooth);
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== Enhanced Button Styles with UiTM Branding =====  */

.btn-primary,
.btn-uitm-primary {
  background: var(--uitm-purple);
  color: var(--uitm-white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 4px 6px rgba(58, 11, 97, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover,
.btn-uitm-primary:hover {
  background: var(--uitm-purple-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple-hover);
}

.btn-primary:active,
.btn-uitm-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-purple);
}

.btn-gold,
.btn-uitm-accent {
  background: var(--uitm-gold);
  color: #1E293B;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: var(--shadow-gold);
  position: relative;
  overflow: hidden;
}

.btn-gold:hover,
.btn-uitm-accent:hover {
  background: var(--uitm-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-hover);
}

.btn-gold::before,
.btn-uitm-accent::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-gold:hover::before,
.btn-uitm-accent:hover::before {
  width: 300px;
  height: 300px;
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur-light);
  -webkit-backdrop-filter: var(--backdrop-blur-light);
  border: 1px solid var(--glass-border);
  color: var(--uitm-purple);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
}

.btn-glass:hover {
  background: rgba(58, 11, 97, 0.1);
  border-color: var(--uitm-purple);
  transform: translateY(-2px);
}

/* ===== Enhanced Card Components ===== */

.card-enhanced {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s var(--transition-smooth);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.card-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--uitm-purple) 0%, var(--uitm-gold) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-enhanced:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--uitm-purple);
}

.card-enhanced:hover::before {
  opacity: 1;
}

.card-glass {
  background: var(--glass-bg-white);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s var(--transition-smooth);
}

.card-glass:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-strong);
}

/* ===== Enhanced Navigation & Header ===== */

.header-uitm {
  background: var(--glass-bg-white);
  backdrop-filter: var(--backdrop-blur-light);
  -webkit-backdrop-filter: var(--backdrop-blur-light);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-item {
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s var(--transition-smooth);
  position: relative;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--uitm-gold);
  transition: width 0.3s var(--transition-smooth);
}

.nav-item:hover {
  color: var(--uitm-purple);
  background: rgba(58, 11, 97, 0.05);
}

.nav-item:hover::after {
  width: 80%;
}

.nav-item.active {
  color: var(--uitm-purple);
  font-weight: 600;
}

.nav-item.active::after {
  width: 80%;
}

/* ===== Interactive Hover Effects ===== */

.hover-lift-gold {
  transition: all 0.3s var(--transition-smooth);
}

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

.hover-glow-purple {
  transition: all 0.3s var(--transition-smooth);
}

.hover-glow-purple:hover {
  box-shadow: 0 0 20px rgba(58, 11, 97, 0.4);
}

.hover-glow-gold {
  transition: all 0.3s var(--transition-smooth);
}

.hover-glow-gold:hover {
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hover-scale-smooth {
  transition: transform 0.3s var(--transition-bounce);
}

.hover-scale-smooth:hover {
  transform: scale(1.05);
}

.hover-shine {
  position: relative;
  overflow: hidden;
}

.hover-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.hover-shine:hover::after {
  left: 100%;
}

/* ===== Enhanced Form Elements ===== */

.input-uitm {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s var(--transition-smooth);
  background: #FFFFFF;
}

.input-uitm:focus {
  outline: none;
  border-color: var(--uitm-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
  background: #FAFAFA;
}

.input-uitm:hover {
  border-color: var(--uitm-purple-light);
}

.textarea-uitm {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  min-height: 100px;
  transition: all 0.3s var(--transition-smooth);
}

.textarea-uitm:focus {
  outline: none;
  border-color: var(--uitm-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.select-uitm {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 1rem;
  background: #FFFFFF;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
}

.select-uitm:focus {
  outline: none;
  border-color: var(--uitm-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

/* ===== Enhanced Typography ===== */

.text-purple {
  color: var(--uitm-purple);
}

.text-gold {
  color: var(--uitm-gold);
}

.text-gradient-purple-gold {
  background: linear-gradient(135deg, var(--uitm-purple) 0%, var(--uitm-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.heading-uitm {
  color: var(--uitm-purple);
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(58, 11, 97, 0.1);
}

/* ===== Badge & Labels ===== */

.badge-purple {
  background: var(--uitm-purple);
  color: var(--uitm-white);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-block;
}

.badge-gold {
  background: var(--uitm-gold);
  color: #1E293B;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 700;
  display: inline-block;
}

.badge-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur-light);
  -webkit-backdrop-filter: var(--backdrop-blur-light);
  border: 1px solid var(--glass-border);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-block;
}

/* ===== Accessibility & Reduced Motion ===== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .animated-gradient-bg,
  .animated-gradient-subtle {
    animation: none;
    background-position: 0% 50%;
  }
}

/* ===== Responsive Design ===== */

@media (max-width: 768px) {
  .glass-card {
    border-radius: 12px;
    padding: 1rem;
  }
  
  .card-enhanced {
    border-radius: 12px;
    padding: 1rem;
  }
  
  .btn-primary,
  .btn-gold,
  .btn-uitm-primary,
  .btn-uitm-accent {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
  }
}

/* ===== Print Styles ===== */

@media print {
  .glass-card,
  .glass-card-purple,
  .card-glass {
    background: white !important;
    backdrop-filter: none !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
  
  .animated-gradient-bg,
  .animated-gradient-subtle {
    background: white !important;
    animation: none !important;
  }
}