/**
 * BAUSEM Premium Dark Theme
 * Masterclass-inspired Premium Dark Design
 * Author: Adm
 * Date: December 2025
 */



/* ============================================
   PREMIUM TEXT SELECTION
   ============================================ */
::selection {
  background: var(--accent-gradient-start);
  color: var(--text-primary);
  text-shadow: none;
}

::-moz-selection {
  background: var(--accent-gradient-start);
  color: var(--text-primary);
  text-shadow: none;
}

/* ============================================
   PREMIUM CARD COMPONENTS
   ============================================ */
.premium-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.premium-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-gradient-start);
}

/* ============================================
   PREMIUM BADGES & TAGS
   ============================================ */
.badge-premium {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  color: white;
  box-shadow: 0 4px 12px rgba(167, 14, 255, 0.3);
  transition: all 0.3s ease;
}

.badge-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(167, 14, 255, 0.5);
}

.badge-gold {
  background: linear-gradient(135deg, #d4af37, #ffd700);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.badge-gold:hover {
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

/* ============================================
   PREMIUM INPUT & TEXTAREA
   ============================================ */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

input.form-control:focus,
textarea.form-control:focus,
select.form-control:focus {
  border-color: var(--accent-gradient-start);
  box-shadow: 0 0 0 3px rgba(167, 14, 255, 0.15);
}

/* ============================================
   PREMIUM NAVIGATION EFFECTS
   ============================================ */
.nav-item {
  position: relative;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

/* ============================================
   PREMIUM LOADING ANIMATION
   ============================================ */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.skeleton-loader {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-elevated) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: 8px;
}

/* ============================================
   PREMIUM TOOLTIPS
   ============================================ */
.tooltip-premium {
  position: relative;
  cursor: pointer;
}

.tooltip-premium::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0);
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.tooltip-premium:hover::before {
  transform: translateX(-50%) scale(1);
  opacity: 1;
}

/* ============================================
   PREMIUM GRADIENT TEXT
   ============================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   PREMIUM DIVIDER
   ============================================ */
.premium-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border-medium),
    transparent
  );
  margin: 30px 0;
}

.premium-divider-gradient {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-gradient-start),
    var(--accent-gradient-end),
    transparent
  );
  margin: 30px 0;
}

/* ============================================
   PREMIUM GLOW EFFECTS
   ============================================ */
.glow-on-hover {
  position: relative;
  transition: all 0.3s ease;
}

.glow-on-hover::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(15px);
  transition: opacity 0.3s ease;
}

.glow-on-hover:hover::after {
  opacity: 0.7;
}

/* ============================================
   PREMIUM ANIMATIONS
   ============================================ */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(167, 14, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(167, 14, 255, 0.6);
  }
}

.pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ============================================
   PREMIUM SECTION BACKGROUNDS
   ============================================ */
.section-hero {
  position: relative;
  background: radial-gradient(ellipse at top, var(--bg-secondary), var(--bg-primary));
  overflow: hidden;
}

.section-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(167, 14, 255, 0.1) 0%,
    transparent 50%
  );
  animation: rotate 20s linear infinite;
}

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

/* ============================================
   PREMIUM LIST STYLING
   ============================================ */
.premium-list {
  list-style: none;
  padding: 0;
}

.premium-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.premium-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-gradient-start);
  font-weight: bold;
  font-size: 18px;
}

.premium-list li:hover {
  color: var(--text-primary);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  .premium-card {
    padding: 16px;
    border-radius: 12px;
  }

  .section-hero::before {
    animation: none;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  .premium-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}