/* Navigation */
.premium-nav-wrapper {
  display: flex;
  justify-content: center;
  position: sticky;
  top: 24px;
  z-index: 1000;
  width: 100%;
  padding: 0 24px;
  margin-bottom: 24px;
}

.premium-navbar {
  width: 100%;
  max-width: 1200px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  padding: 12px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.1);
}

.premium-nav-brand {
  letter-spacing: -0.5px;
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.premium-nav-brand span {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.premium-nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 768px) {
  .premium-nav-wrapper {
    top: 12px;
    padding: 0 12px;
    margin-bottom: 16px;
  }
  .premium-navbar {
    padding: 10px 16px;
    border-radius: 16px;
    position: relative;
  }
  .premium-nav-brand {
    font-size: 1.1rem;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .premium-nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px;
    margin-top: 8px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
    z-index: 1001;
    gap: 16px;
  }
  .premium-nav-links.mobile-menu-open {
    display: flex;
  }
  .premium-nav-links a {
    width: 100%;
    text-align: center;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background-color: var(--error);
  color: #fff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

/* Ultra-Premium Glassmorphism Cards */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.4) 100%);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.15), 0 0 20px rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
}

.card:hover::before {
  opacity: 1;
  background: linear-gradient(135deg, rgba(99,102,241,0.5) 0%, rgba(255,255,255,0) 100%);
}

.card img {
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card:hover img {
  transform: scale(1.05);
}

.card-body {
  padding: var(--spacing-md);
}

.card-title {
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  transition: border-color var(--transition-fast);
}

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

select.form-control option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

/* Accordion */
.accordion-item {
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.2) 0%, rgba(15, 23, 42, 0.2) 100%);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item:hover {
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.accordion-header {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.accordion-content {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), padding 0.4s ease;
}

.accordion-content.active {
  padding: 0 24px 24px 24px;
  max-height: 2000px; /* arbitrary max height for animation */
  transition: max-height 0.5s ease-in-out, padding 0.4s ease;
}

/* Drag and Drop Lists */
.draggable-list {
  list-style: none;
}

.draggable-item {
  padding: var(--spacing-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  cursor: grab;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.draggable-item:active {
  cursor: grabbing;
}

.draggable-item.dragging {
  opacity: 0.5;
  background: rgba(255, 255, 255, 0.1);
}

/* Footer Utilities */
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: #f8fafc;
}

.footer-copyright {
  font-size: 0.9rem;
  text-align: right;
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 12px;
  }
  .footer-copyright {
    text-align: center;
  }
}