/* API Settings Modal - Premium Configuration Interface */
.api-settings {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.api-settings__intro {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-xs);
}

/* Provider Tabs - Modern Segmented Control */
.api-provider__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.5rem;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
}

.api-provider__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--color-text-secondary);
  transition: all var(--transition-spring);
  cursor: pointer;
  border: none;
  position: relative;
}

.api-provider__tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-subtle), transparent);
  opacity: 0;
  border-radius: var(--radius-lg);
  transition: opacity var(--transition-base);
}

.api-provider__tab:hover {
  background-color: var(--color-bg-elevated);
  color: var(--color-text);
  transform: translateY(-2px);
}

.api-provider__tab:hover::before {
  opacity: 1;
}

.api-provider__tab--active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-2px) scale(1.02);
}

.api-provider__tab--active::before {
  opacity: 0;
}

.api-provider__icon {
  font-size: 1.75rem;
  filter: grayscale(0.4);
  transition: all var(--transition-base);
}

.api-provider__tab:hover .api-provider__icon {
  filter: grayscale(0);
  transform: scale(1.1);
}

.api-provider__tab--active .api-provider__icon {
  filter: grayscale(0);
  transform: scale(1.05);
}

.api-provider__name {
  font-size: 0.9375rem;
  font-weight: var(--font-bold);
  letter-spacing: -0.01em;
}

/* Provider Panels - Smooth Transitions */
.api-provider__content {
  position: relative;
  min-height: 360px;
}

.api-provider__panel {
  display: none;
  animation: panelFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.api-provider__panel--active {
  display: block;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.api-provider__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.03em;
}

.api-provider__description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

/* API Key Input - Monospace Design */
.api-key__input {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 0.75rem 1rem;
}

.api-link {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.api-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* API Key Actions */
.api-key__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.api-key__actions .btn {
  flex: 1;
  min-width: 140px;
}

/* Test Results - Status Cards */
.api-test__result {
  margin-top: var(--spacing-lg);
  min-height: 48px;
}

.api-test--success {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(5, 150, 105, 0.04));
  border: 1px solid var(--color-success);
  border-radius: var(--radius-xl);
  color: var(--color-success);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: resultSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  box-shadow: var(--shadow-sm);
}

.api-test--error {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(220, 38, 38, 0.04));
  border: 1px solid var(--color-error);
  border-radius: var(--radius-xl);
  color: var(--color-error);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: resultSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  box-shadow: var(--shadow-sm);
}

.api-test--loading {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: loadingPulse 1.5s ease-in-out infinite;
  box-shadow: var(--shadow-xs);
}

@keyframes resultSlideIn {
  from {
    opacity: 0;
    transform: translateX(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes loadingPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.98);
  }
}

.api-test__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* Footer - Security Note */
.api-settings__footer {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-light);
}

.api-security-note {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-info) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-xl);
  font-size: 0.9375rem;
  color: white;
  font-weight: var(--font-medium);
  line-height: 1.6;
  display: flex;
  align-items: start;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.api-security-note::before {
  content: '🔒';
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
  .api-provider__tabs {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }

  .api-provider__tab {
    flex-direction: row;
    justify-content: center;
    padding: var(--spacing-md);
  }

  .api-provider__icon {
    font-size: 1.5rem;
  }

  .api-key__actions {
    flex-direction: column;
  }

  .api-key__actions .btn {
    width: 100%;
  }

  .api-provider__title {
    font-size: 1.25rem;
  }
}