/* ===================================
   Antikythera Technologies Component Library
   Reusable Glass Morphism Components
   =================================== */

/* ===================================
   Loading States
   =================================== */

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--tn-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

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

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg-secondary) 0%,
    var(--glass-bg-light) 50%,
    var(--glass-bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===================================
   Badges
   =================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  background: var(--glass-bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--tn-text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.badge-blue {
  background: rgba(122, 162, 247, 0.1);
  border-color: rgba(122, 162, 247, 0.3);
  color: var(--tn-blue);
}

.badge-green {
  background: rgba(158, 206, 106, 0.1);
  border-color: rgba(158, 206, 106, 0.3);
  color: var(--tn-green);
}

.badge-red {
  background: rgba(247, 118, 142, 0.1);
  border-color: rgba(247, 118, 142, 0.3);
  color: var(--tn-red);
}

.badge-purple {
  background: rgba(187, 154, 247, 0.1);
  border-color: rgba(187, 154, 247, 0.3);
  color: var(--tn-purple);
}

/* ===================================
   Alerts & Notifications
   =================================== */

.alert {
  padding: var(--space-lg) var(--space-xl);
  background: var(--glass-bg-secondary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: slideInDown var(--transition-spring);
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.alert-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-xs);
}

.alert-success {
  background: rgba(158, 206, 106, 0.1);
  border-color: rgba(158, 206, 106, 0.3);
  color: var(--tn-green);
}

.alert-error {
  background: rgba(247, 118, 142, 0.1);
  border-color: rgba(247, 118, 142, 0.3);
  color: var(--tn-red);
}

.alert-warning {
  background: rgba(255, 158, 100, 0.1);
  border-color: rgba(255, 158, 100, 0.3);
  color: var(--tn-orange);
}

.alert-info {
  background: rgba(125, 207, 255, 0.1);
  border-color: rgba(125, 207, 255, 0.3);
  color: var(--tn-cyan);
}

/* ===================================
   Tooltips
   =================================== */

.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
}

.tooltip-content {
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg-dark);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-tooltip);
  box-shadow: var(--shadow-lg);
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--glass-bg-dark);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===================================
   Modal/Dialog
   =================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: all var(--transition-spring);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.modal-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--tn-text-dim);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--glass-bg-light);
  color: var(--tn-text-primary);
}

/* ===================================
   Tabs
   =================================== */

.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--space-xl);
}

.tab {
  padding: var(--space-md) var(--space-xl);
  background: none;
  border: none;
  color: var(--tn-text-dim);
  font-weight: var(--font-medium);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.tab:hover {
  color: var(--tn-text-secondary);
  background: var(--glass-bg-light);
}

.tab.active {
  color: var(--tn-text-primary);
  background: var(--glass-bg-secondary);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tn-blue);
}

/* ===================================
   Progress Bars
   =================================== */

.progress {
  height: 8px;
  background: var(--glass-bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--tn-blue) 0%, var(--tn-cyan) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow) ease;
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%
  );
  animation: progress-shine 2s linear infinite;
}

@keyframes progress-shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===================================
   Toggle/Switch
   =================================== */

.toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--glass-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.toggle-slider::before {
  position: absolute;
  content: '';
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: var(--tn-text-dim);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.toggle input:checked + .toggle-slider {
  background: rgba(122, 162, 247, 0.2);
  border-color: var(--tn-blue);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(24px);
  background: var(--tn-blue);
}

/* ===================================
   Dropdown
   =================================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--space-sm);
  min-width: 200px;
  background: var(--glass-bg-dark);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  color: var(--tn-text-primary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-base);
}

.dropdown-item:hover {
  background: var(--glass-bg-light);
  color: var(--tn-blue);
}

.dropdown-divider {
  height: 1px;
  margin: var(--space-sm) 0;
  background: var(--glass-border);
}

/* ===================================
   Pagination
   =================================== */

.pagination {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-md);
  background: var(--glass-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--tn-text-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.page-link:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border-active);
  transform: translateY(-2px);
}

.page-link.active {
  background: var(--tn-blue);
  border-color: var(--tn-blue);
  color: white;
}

.page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 768px) {
  .modal {
    padding: var(--space-xl);
    width: 95%;
  }
  
  .tabs {
    flex-wrap: wrap;
  }
  
  .tab {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
  }
}