/* ============================================
   SERVER UI TRAEFIK - COMPONENTS
   UI Components Library
   ============================================ */

/* ============================================
   GLASSMORPHISM BASE
   ============================================ */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: 
    var(--shadow-md),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: 
    var(--shadow-lg),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-active {
  background: var(--glass-bg-active);
  border-color: var(--glass-border-active);
}

.glass-strong {
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: var(--glass-blur-heavy);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 
    0 4px 6px -1px rgba(59, 130, 246, 0.4),
    0 2px 4px -1px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 
    0 10px 15px -3px rgba(59, 130, 246, 0.5),
    0 4px 6px -2px rgba(59, 130, 246, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* Success Button */
.btn-success {
  background: var(--accent-success);
  color: white;
  box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.4);
}

.btn-success:hover:not(:disabled) {
  background: var(--accent-success-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.5);
}

/* Danger Button */
.btn-danger {
  background: var(--accent-danger);
  color: white;
  box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover:not(:disabled) {
  background: var(--accent-danger-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.5);
}

/* Warning Button */
.btn-warning {
  background: var(--accent-warning);
  color: var(--text-inverse);
  box-shadow: 0 4px 6px -1px rgba(245, 158, 11, 0.4);
}

.btn-warning:hover:not(:disabled) {
  background: var(--accent-warning-light);
  transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

/* Icon Button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
  width: 32px;
  height: 32px;
}

.btn-icon.btn-lg {
  width: 48px;
  height: 48px;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  gap: var(--space-2);
}

.btn-group .btn:not(:first-child):not(:last-child) {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--glass-border);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.card-body {
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--glass-border);
}

/* Card Variants */
.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  background: var(--glass-bg-hover);
}

.card-active {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow-primary);
}

.card-compact {
  padding: var(--space-4);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* Badge Variants */
.badge-default {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

.badge-primary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-success .badge-dot {
  background: var(--accent-success);
  animation: pulse 2s infinite;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-warning .badge-dot {
  background: var(--accent-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-danger .badge-dot {
  background: var(--accent-danger);
}

.badge-info {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-info);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-label-required::after {
  content: ' *';
  color: var(--accent-danger);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--glass-border-hover);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-mono);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--accent-danger);
  margin-top: var(--space-1);
}

/* Input Sizes */
.form-input-sm,
.form-select-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.form-input-lg,
.form-select-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
}

/* Input with Icon */
.form-input-icon {
  position: relative;
}

.form-input-icon .form-input {
  padding-left: 40px;
}

.form-input-icon .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

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

.toggle-slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: var(--space-4);
}

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

.modal {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--glass-border);
}

/* Modal Sizes */
.modal-sm { max-width: 400px; }
.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }
.modal-full { max-width: 95vw; }

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background: var(--glass-bg-active);
  backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  margin-top: var(--space-2);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xl);
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.dropdown-item.danger {
  color: var(--accent-danger);
}

.dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.dropdown-divider {
  height: 1px;
  background: var(--glass-border);
  margin: var(--space-2) 0;
}

/* ============================================
   TABS
   ============================================ */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: var(--space-2);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

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

.tab.active {
  color: var(--accent-primary-light);
  background: rgba(59, 130, 246, 0.1);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -9px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.tab-content {
  display: none;
  padding-top: var(--space-4);
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ============================================
   PROGRESS BARS
   ============================================ */
.progress {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

.progress-bar-primary { background: var(--gradient-primary); }
.progress-bar-success { background: var(--gradient-success); }
.progress-bar-warning { background: var(--gradient-warning); }
.progress-bar-danger { background: var(--gradient-danger); }

/* Circular Progress */
.progress-circle {
  position: relative;
  width: 120px;
  height: 120px;
}

.progress-circle svg {
  transform: rotate(-90deg);
}

.progress-circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 8;
}

.progress-circle-fill {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease;
}

.progress-circle-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
}

/* ============================================
   TOOLTIPS
   ============================================ */
.tooltip {
  position: relative;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: white;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   SPINNER / LOADING
   ============================================ */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 1.5px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider {
  height: 1px;
  background: var(--glass-border);
  margin: var(--space-4) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--glass-border);
  margin: 0 var(--space-4);
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
}

.empty-state-icon {
  font-size: 4rem;
  opacity: 0.5;
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 300px;
}

/* ============================================
   CODE BLOCKS
   ============================================ */
.code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--glass-border);
}

.code-block-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block pre {
  padding: var(--space-4);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
  overflow-x: auto;
}

.code-block code {
  color: inherit;
}