/* ========================================
 * API Settings Styles - Modern UI
 * ======================================== */

/* Main Layout */
.api-settings-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Section Containers */
.api-settings-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.section-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
  letter-spacing: -0.01em;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
}

/* Grid Layout */
.api-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* Cards */
.api-card {
  position: relative;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  padding: 1.25rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.api-card:hover {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.05);
  transform: translateY(-2px);
}

.api-card.disabled {
  opacity: 0.75;
  background: hsl(var(--muted) / 0.1);
  border-style: dashed;
}

/* Card Header */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  flex-shrink: 0;
}

.provider-icon-openai { background: hsl(142 76% 36% / 0.1); color: hsl(142 76% 36%); }
.provider-icon-anthropic { background: hsl(22 90% 50% / 0.1); color: hsl(22 90% 50%); }
.provider-icon-google { background: hsl(217 91% 60% / 0.1); color: hsl(217 91% 60%); }
.provider-icon-azure { background: hsl(199 89% 48% / 0.1); color: hsl(199 89% 48%); }
.provider-icon-ollama { background: hsl(270 60% 60% / 0.1); color: hsl(270 60% 60%); }
.provider-icon-custom { background: hsl(var(--muted)); color: hsl(var(--foreground)); }

.card-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-subtitle {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* Card Actions */
.card-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.btn-icon-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  color: hsl(var(--muted-foreground));
  transition: all 0.2s;
  background: transparent;
  border: none;
  cursor: pointer;
}

.btn-icon-sm:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
}

.btn-icon-sm.text-destructive:hover {
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

/* Card Body */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.meta-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: hsl(var(--muted-foreground));
  font-weight: 500;
}

.meta-value {
  font-size: 0.8125rem;
  color: hsl(var(--foreground));
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Card Footer */
.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid hsl(var(--border) / 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.25rem;
  line-height: 1.25;
}

.badge-outline {
  border: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
}

.badge-primary {
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
}

.badge-success {
  background: hsl(142 76% 36% / 0.1);
  color: hsl(142 76% 36%);
}

.badge-warning {
  background: hsl(45 93% 47% / 0.1);
  color: hsl(45 93% 47%);
}

/* Provider Type Badge */
.provider-type-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  border-radius: 9999px;
  letter-spacing: 0.03em;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 9999px;
}

.status-badge.status-enabled {
  background: hsl(142 76% 36% / 0.1);
  color: hsl(142 76% 36%);
}

.status-badge.status-disabled {
  background: hsl(var(--muted) / 0.5);
  color: hsl(var(--muted-foreground));
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.toggle-track {
  width: 2.25rem;
  height: 1.25rem;
  background-color: hsl(var(--muted));
  border-radius: 9999px;
  transition: background-color 0.2s;
  position: relative;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1rem;
  height: 1rem;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + .toggle-track {
  background-color: hsl(var(--primary));
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  transform: translateX(1rem);
}

.toggle-label {
  margin-left: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--foreground));
  white-space: nowrap;
  flex-shrink: 0;
}

/* Cache Settings Panel */
.cache-panel {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
}

.cache-header {
  padding: 1.25rem;
  background: hsl(var(--muted) / 0.3);
  border-bottom: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.cache-header .section-title-group {
  flex-shrink: 0;
}

.cache-header .toggle-switch {
  flex-shrink: 0;
}

.cache-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cache-visual {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cache-bars {
  height: 1.5rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 0.5rem;
  overflow: hidden;
  position: relative;
  display: flex;
}

.cache-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--primary) / 0.8));
  min-width: 2px;
  transition: width 0.5s ease;
}

.cache-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: hsl(var(--background));
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.stat-desc {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  background: hsl(var(--card));
  border: 1px dashed hsl(var(--border));
  border-radius: 0.75rem;
  text-align: center;
}

.empty-icon-wrapper {
  width: 4rem;
  height: 4rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: hsl(var(--muted-foreground));
}

.empty-state h4 {
  font-size: 1rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin: 0 0 0.5rem 0;
}

.empty-state p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  max-width: 400px;
  margin: 0;
}

/* Endpoint ID */
.endpoint-id {
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 0.25rem;
  color: hsl(var(--primary));
}

/* Usage Hint */
.usage-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  background: hsl(var(--muted) / 0.3);
  border-radius: 0.375rem;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.375rem;
}

.usage-hint code {
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.6875rem;
  color: hsl(var(--foreground));
  background: hsl(var(--muted) / 0.5);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
}

/* Form Enhancements */
.api-settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  display: block;
  color: hsl(var(--foreground));
}

/* Input Styles */
.cli-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: hsl(var(--foreground));
  background-color: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cli-input:focus {
  outline: none;
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 3px hsl(var(--primary) / 0.1);
}

.cli-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: hsl(var(--muted) / 0.3);
}

.cli-input::placeholder {
  color: hsl(var(--muted-foreground));
}

/* Select Styles */
select.cli-input {
  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='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Checkbox Label */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--foreground));
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  border-radius: 0.25rem;
  border: 1px solid hsl(var(--border));
  cursor: pointer;
  accent-color: hsl(var(--primary));
}

/* Form Hint */
.form-hint {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.25rem;
}

/* Form Fieldset */
.form-fieldset {
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  padding: 1rem;
  margin: 0;
}

.form-fieldset legend {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0 0.5rem;
  color: hsl(var(--foreground));
}

/* Modal Actions */
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid hsl(var(--border));
}

.modal-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 5rem;
}

.modal-actions .btn-secondary {
  background: transparent;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
}

.modal-actions .btn-secondary:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
  border-color: hsl(var(--muted-foreground) / 0.3);
}

.modal-actions .btn-primary {
  background: hsl(var(--primary));
  border: 1px solid hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.modal-actions .btn-primary:hover {
  background: hsl(var(--primary) / 0.9);
  box-shadow: 0 2px 8px hsl(var(--primary) / 0.3);
}

.modal-actions .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.modal-actions .btn-danger {
  background: hsl(var(--destructive));
  border: 1px solid hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
}

.modal-actions .btn-danger:hover {
  background: hsl(var(--destructive) / 0.9);
  box-shadow: 0 2px 8px hsl(var(--destructive) / 0.3);
}

.modal-actions button i,
.modal-actions button svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

/* Handle .btn class prefix */
.modal-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 5rem;
}

.modal-actions .btn.btn-secondary {
  background: transparent;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
}

.modal-actions .btn.btn-secondary:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
  border-color: hsl(var(--muted-foreground) / 0.3);
}

.modal-actions .btn.btn-primary {
  background: hsl(var(--primary));
  border: 1px solid hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.modal-actions .btn.btn-primary:hover {
  background: hsl(var(--primary) / 0.9);
  box-shadow: 0 2px 8px hsl(var(--primary) / 0.3);
}

/* Button Icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  background: hsl(var(--background));
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
}

.text-muted {
  color: hsl(var(--muted-foreground));
  font-weight: 400;
}

.input-with-icon {
  position: relative;
  display: flex;
}

.input-with-icon input {
  padding-right: 2.5rem;
  flex: 1;
}

.input-icon-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.25rem;
  background: transparent;
  border: none;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  border-radius: 0.25rem;
}

.input-icon-btn:hover {
  color: hsl(var(--foreground));
  background: hsl(var(--muted));
}

/* Modal Footer */
.modal-footer {
  padding: 1rem 1.5rem;
  background: hsl(var(--muted) / 0.3);
  border-top: 1px solid hsl(var(--border));
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* API Key Input Group */
.api-key-input-group {
  display: flex;
  gap: 0.5rem;
}

.api-key-input-group input {
  flex: 1;
}

/* Error Message */
.error-message {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  font-size: 0.875rem;
  color: hsl(var(--destructive));
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .api-grid {
    grid-template-columns: 1fr;
  }

  .card-meta-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .section-header .btn {
    width: 100%;
  }

  .cache-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

@media (min-width: 768px) {
  .api-settings-container {
    padding: 2rem;
  }
}


/* ========================================
 * Advanced Settings - Collapsible Panel
 * ======================================== */

.advanced-settings-fieldset {
  margin-top: 0.5rem;
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  padding: 0;
  overflow: hidden;
}

.advanced-settings-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted) / 0.3);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.advanced-settings-legend:hover {
  background: hsl(var(--muted) / 0.5);
  color: hsl(var(--foreground));
}

.advanced-toggle-icon {
  width: 1rem;
  height: 1rem;
  color: hsl(var(--muted-foreground));
  transition: transform 0.2s;
}

.advanced-settings-legend.expanded .advanced-toggle-icon {
  transform: rotate(90deg);
}

.advanced-settings-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid hsl(var(--border));
}

.advanced-settings-content.collapsed {
  display: none;
}

/* Form Row for Side-by-Side Fields */
.form-row {
  display: flex;
  gap: 1rem;
}

.form-group-half {
  flex: 1;
  min-width: 0;
}

/* Textarea Styling */
.cli-textarea {
  resize: vertical;
  min-height: 4rem;
  max-height: 12rem;
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8125rem;
}

/* Provider-Specific Fields */
.provider-specific {
  transition: opacity 0.2s ease, max-height 0.2s ease;
}

/* Responsive Adjustments for Advanced Settings */
@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
  }

  .form-group-half {
    width: 100%;
  }
}


/* ========================================
 * Split Layout - Provider List + Detail
 * ======================================== */

/* Main Split Container */
.api-settings-container.api-settings-split {
  display: flex;
  flex-direction: row;
  height: calc(100vh - 180px);
  min-height: 500px;
  gap: 0;
  padding: 0;
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  overflow: hidden;
  background: hsl(var(--card));
}

/* Left Sidebar */
.api-settings-sidebar {
  width: 320px;
  min-width: 280px;
  border-right: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  background: hsl(var(--background));
}

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

.sidebar-tabs {
  display: flex;
  gap: 0;
  padding: 0.5rem;
  background: hsl(var(--muted) / 0.3);
  border-bottom: 1px solid hsl(var(--border));
}

.sidebar-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.5rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  background: transparent;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sidebar-tab:hover {
  color: hsl(var(--foreground));
  background: hsl(var(--muted) / 0.5);
}

.sidebar-tab.active {
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
}

.sidebar-tab i {
  width: 14px;
  height: 14px;
}

/* Sidebar content areas */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
}

/* Cache panel in sidebar */
.cache-sidebar-panel {
  padding: 1rem;
}

.cache-sidebar-panel h4 {
  margin: 0 0 1rem 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.cache-field {
  margin-bottom: 1rem;
}

.cache-field label {
  display: block;
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.25rem;
}

.cache-field input {
  width: 100%;
}

/* Endpoints list in sidebar */
.endpoints-sidebar-list {
  padding: 0.5rem;
}

.endpoint-sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.endpoint-sidebar-item:hover {
  border-color: hsl(var(--primary) / 0.5);
}

.endpoint-sidebar-item.selected {
  border-color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.05);
}

.endpoint-sidebar-info {
  flex: 1;
  min-width: 0;
}

.endpoint-sidebar-name {
  font-weight: 500;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.endpoint-sidebar-model {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Empty state for endpoints */
.endpoints-empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: hsl(var(--muted-foreground));
}

.endpoints-empty-state i {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Responsive adjustments for tabs */
@media (max-width: 768px) {
  .sidebar-tab {
    padding: 0.5rem 0.5rem;
    font-size: 0.7rem;
  }

  .sidebar-tab i {
    width: 12px;
    height: 12px;
  }
}


/* Provider Search */
.provider-search {
  position: relative;
  padding: 1rem;
  border-bottom: 1px solid hsl(var(--border));
}

.provider-search input {
  width: 100%;
  padding-left: 2.25rem;
}

.provider-search .search-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: hsl(var(--muted-foreground));
  pointer-events: none;
}

/* Provider List */
.provider-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.provider-list-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.25rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.provider-list-item:hover {
  background: hsl(var(--muted) / 0.5);
}

.provider-list-item.selected {
  background: hsl(var(--primary) / 0.1);
  border-color: hsl(var(--primary) / 0.3);
}

.provider-item-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: 600;
}

.provider-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.provider-item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.provider-item-type {
  font-size: 0.6875rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.provider-list-footer {
  padding: 1rem;
  border-top: 1px solid hsl(var(--border));
}

.btn-full {
  width: 100%;
}

/* Right Main Panel */
.api-settings-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Provider Detail Header */
.provider-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--muted) / 0.2);
}

.provider-detail-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.provider-detail-title h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.provider-detail-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Provider Detail Content */
.provider-detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Field Groups */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--foreground));
}

.field-label-actions {
  display: flex;
  gap: 0.5rem;
}

.field-input-group {
  display: flex;
  gap: 0.5rem;
}

.field-input-group input {
  flex: 1;
}

.field-hint {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

/* Model Section */
.model-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 200px;
}

.model-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.model-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 0.5rem;
}

.model-tab {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  background: transparent;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s;
}

.model-tab:hover {
  color: hsl(var(--foreground));
}

.model-tab.active {
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  box-shadow: 0 1px 2px hsl(var(--foreground) / 0.05);
}

.model-section-actions {
  display: flex;
  gap: 0.5rem;
}

/* Model Tree */
.model-tree {
  flex: 1;
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  overflow: hidden;
}

.model-tree-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: hsl(var(--muted-foreground));
  text-align: center;
}

.model-tree-empty-icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.model-group {
  border-bottom: 1px solid hsl(var(--border));
}

.model-group:last-child {
  border-bottom: none;
}

.model-group-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: hsl(var(--muted) / 0.3);
  cursor: pointer;
  transition: background 0.15s;
}

.model-group-header:hover {
  background: hsl(var(--muted) / 0.5);
}

.model-group-toggle {
  width: 1rem;
  height: 1rem;
  color: hsl(var(--muted-foreground));
  transition: transform 0.2s;
}

.model-group.expanded .model-group-toggle {
  transform: rotate(90deg);
}

.model-group-name {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
}

.model-group-count {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  padding: 0.125rem 0.5rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 9999px;
}

.model-group-children {
  display: none;
}

.model-group.expanded .model-group-children {
  display: block;
}

.model-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  border-top: 1px solid hsl(var(--border) / 0.5);
  transition: background 0.15s;
}

.model-item:hover {
  background: hsl(var(--muted) / 0.2);
}

.model-item-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--primary));
}

.model-item-name {
  flex: 1;
  font-size: 0.875rem;
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
}

.model-item-badge {
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  background: hsl(var(--muted) / 0.5);
  border-radius: 0.25rem;
  color: hsl(var(--muted-foreground));
}

.model-item-actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.15s;
}

.model-item:hover .model-item-actions {
  opacity: 1;
}

/* Empty State for Main Panel */
.provider-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: hsl(var(--muted-foreground));
  text-align: center;
}

.provider-empty-state-icon {
  width: 4rem;
  height: 4rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.provider-empty-state h3 {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: hsl(var(--foreground));
}

.provider-empty-state p {
  font-size: 0.875rem;
  margin: 0;
}

/* Cache FAB Button */
.cache-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  background: hsl(var(--primary));
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.4);
  transition: all 0.2s;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cache-fab:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px hsl(var(--primary) / 0.5);
}

.cache-fab svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Cache Panel Overlay */
.cache-panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: hsl(var(--foreground) / 0.5);
  z-index: 100;
  display: none;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 2rem;
}

.cache-panel-overlay.active {
  display: flex;
}

.cache-panel-content {
  width: 400px;
  max-width: 90vw;
  max-height: 80vh;
  background: hsl(var(--card));
  border-radius: 0.75rem;
  box-shadow: 0 8px 32px hsl(var(--foreground) / 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Responsive */
@media (max-width: 768px) {
  .api-settings-container.api-settings-split {
    flex-direction: column;
    height: auto;
    min-height: auto;
  }

  .api-settings-sidebar {
    width: 100%;
    max-height: 300px;
    border-right: none;
    border-bottom: 1px solid hsl(var(--border));
  }

  .api-settings-main {
    min-height: 400px;
  }

  .cache-fab {
    bottom: 1rem;
    right: 1rem;
  }

  .cache-panel-overlay {
    padding: 1rem;
  }

  .cache-panel-content {
    width: 100%;
  }
}

/* ===========================
   Multi-Key Trigger Button
   =========================== */

.multi-key-trigger {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid hsl(var(--border));
}

.multi-key-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

.multi-key-btn i {
  width: 18px;
  height: 18px;
}

/* ===========================
   Multi-Key Management (Modal)
   =========================== */

.api-keys-section {
  margin-top: 1.5rem;
  padding: 1rem;
  background: hsl(var(--muted) / 0.3);
  border-radius: 0.5rem;
}

.api-keys-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.api-keys-header h4 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.api-key-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.api-key-item {
  display: grid;
  grid-template-columns: 1fr 2fr auto auto auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
}

.api-key-item input {
  font-size: 0.85rem;
}

.api-key-item .key-label {
  grid-column: 1;
}

.api-key-item .key-value {
  grid-column: 2;
}

.api-key-item .key-weight {
  width: 60px;
}

.api-key-item .key-status {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.key-status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.key-status-indicator.healthy {
  background: hsl(var(--success));
}

.key-status-indicator.unhealthy {
  background: hsl(var(--destructive));
}

.key-status-indicator.unknown {
  background: hsl(var(--muted-foreground));
}

.api-key-actions {
  display: flex;
  gap: 0.25rem;
}

.api-key-actions button {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.add-key-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.no-keys-message {
  text-align: center;
  color: hsl(var(--muted-foreground));
  padding: 1rem;
  font-size: 0.85rem;
}

/* ===========================
   Routing Strategy
   =========================== */

.routing-section {
  margin-top: 1rem;
  padding: 1rem;
  background: hsl(var(--muted) / 0.2);
  border-radius: 0.5rem;
}

.routing-section label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.routing-hint {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

/* ===========================
   Health Check Configuration
   =========================== */

.health-check-section {
  margin-top: 1rem;
  padding: 1rem;
  background: hsl(var(--muted) / 0.2);
  border-radius: 0.5rem;
}

.health-check-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.health-check-header h5 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
}

.health-check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.health-check-field label {
  display: block;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.25rem;
}

.health-check-field input {
  width: 100%;
}

/* ===========================
   Key Test Button
   =========================== */

.test-key-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background: hsl(var(--primary) / 0.1);
  border: 1px solid hsl(var(--primary) / 0.3);
  border-radius: 0.25rem;
  color: hsl(var(--primary));
  cursor: pointer;
  transition: all 0.2s;
}

.test-key-btn:hover {
  background: hsl(var(--primary) / 0.2);
}

.test-key-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.test-key-btn.testing {
  animation: pulse 1s infinite;
}

.test-result {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 0.25rem;
}

.test-result.success {
  background: hsl(var(--success) / 0.1);
  color: hsl(var(--success));
}

.test-result.error {
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===========================
   Endpoints List in Sidebar
   =========================== */

.endpoints-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.endpoints-list .api-card {
  margin-bottom: 0.75rem;
}

/* ===========================
   Main Panel Sections
   =========================== */

.endpoints-main-panel,
.cache-main-panel {
  padding: 2rem;
  overflow-y: auto;
}

.panel-header {
  margin-bottom: 2rem;
}

.panel-header h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.panel-subtitle {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.endpoints-stats {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.cache-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  padding: 1.5rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsl(var(--primary) / 0.1);
  border-radius: 0.5rem;
  color: hsl(var(--primary));
}

.stat-icon i {
  width: 20px;
  height: 20px;
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settings-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.75rem;
}

.settings-section h3 {
  margin: 0 0 1rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.storage-bar-container {
  margin-top: 1rem;
}

.storage-bar {
  width: 100%;
  height: 8px;
  background: hsl(var(--muted));
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.storage-bar-fill {
  height: 100%;
  background: hsl(var(--primary));
  transition: width 0.3s ease;
}

.storage-label {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  text-align: center;
}

.cache-sidebar-info {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cache-sidebar-info p {
  margin: 0;
  text-align: center;
  line-height: 1.5;
}

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

@media (max-width: 768px) {
  .api-key-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .api-key-item .key-label,
  .api-key-item .key-value {
    grid-column: 1;
  }

  .health-check-grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   Model Settings Modal - Endpoint Preview
   =========================== */

.endpoint-preview-section {
  background: hsl(var(--muted) / 0.3);
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 0.5rem;
}

.endpoint-preview-section h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.endpoint-preview-section h4 i {
  width: 16px;
  height: 16px;
  color: hsl(var(--primary));
}

.endpoint-preview-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  margin-bottom: 1rem;
}

.endpoint-preview-box code {
  flex: 1;
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.8125rem;
  color: hsl(var(--primary));
  word-break: break-all;
}

.endpoint-preview-box .btn-icon-sm {
  flex-shrink: 0;
}

/* Form Section within Modal */
.form-section {
  margin-bottom: 1.25rem;
}

.form-section h4 {
  margin: 0 0 0.75rem 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-section:last-of-type {
  margin-bottom: 0;
}

/* Capabilities Checkboxes */
.capabilities-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.capabilities-checkboxes .checkbox-label {
  font-size: 0.875rem;
}