/* Settings Modal */
.settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.settings-content {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s, border-color 0.3s;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.settings-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.settings-header .close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.settings-header .close-btn:hover {
  color: var(--text);
}

.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.settings-section {
  margin-bottom: 24px;
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* Collapsible sections */
.settings-collapsible > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
}

.settings-collapsible > summary::-webkit-details-marker {
  display: none;
}

.settings-collapsible > summary h3 {
  margin-bottom: 0;
}

.settings-collapsible > summary::before {
  content: "▶";
  font-size: 10px;
  color: var(--text-muted);
  margin-right: 8px;
  transition: transform 0.15s;
}

.settings-collapsible[open] > summary::before {
  transform: rotate(90deg);
}

.settings-collapsible > summary + * {
  margin-top: 12px;
}

.section-description {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.4;
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item-vertical {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.setting-item-vertical label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

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

.setting-info label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.setting-description {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Input fields */
.setting-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  font-family: monospace;
  box-sizing: border-box;
}

.setting-input:focus {
  outline: none;
  border-color: var(--accent);
}

.setting-input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

/* Role groups (label + model dropdown) */
.setting-role-group {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.setting-role-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.setting-model-select {
  width: 100%;
}

/* Select dropdowns */
.setting-select {
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
}

.setting-select:focus {
  outline: none;
  border-color: var(--accent);
}

.setting-item .toggle-switch {
  margin-left: 16px;
}

.setting-btn-group {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.setting-btn {
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  margin-left: 16px;
  flex-shrink: 0;
}

.setting-btn:hover {
  background: var(--border);
}

.setting-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  margin-left: 0;
}

.setting-btn-primary:hover {
  background: var(--accent-hover);
}

.setting-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Footer */
.settings-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.settings-status {
  font-size: 12px;
  color: var(--text-muted);
}

.settings-status.success {
  color: var(--success);
}

.settings-status.error {
  color: var(--error);
}

/* Debug settings area */
.settings-debug-area {
  display: none;
}

.settings-debug-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-top: 8px;
}

.settings-debug-divider::before,
.settings-debug-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.settings-debug-divider span {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  white-space: nowrap;
}

.settings-version {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  opacity: 0.5;
  padding-top: 12px;
}