/* ===========================================
   Tools Interface - Refined Design
   =========================================== */

/* ===========================================
   Tool Card
   =========================================== */

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
}

/* Subtle gradient overlay */
.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, var(--color-primary-surface) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.tool-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card--active {
  border-color: var(--color-primary);
  background: var(--color-primary-surface);
}

.tool-card--active::before {
  opacity: 0.5;
}

.tool-card--error {
  border-color: var(--color-error);
  background: var(--color-error-surface);
}

/* ===========================================
   Card Header
   =========================================== */

.tool-card__header {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.tool-card__icon-wrapper {
  margin-bottom: var(--spacing-md);
}

.tool-card__content {
  width: 100%;
}

.tool-card__title {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.tool-card__icon {
  flex-shrink: 0;
}

/* ===========================================
   Tool Icon
   =========================================== */

.tool-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 12px var(--color-primary-glow);
}

/* Dynamic color classes for tool icons */
.tool-icon--color-0 { background: linear-gradient(135deg, #DC2626, #B91C1C); }
.tool-icon--color-1 { background: linear-gradient(135deg, #EA580C, #C2410C); }
.tool-icon--color-2 { background: linear-gradient(135deg, #D97706, #B45309); }
.tool-icon--color-3 { background: linear-gradient(135deg, #CA8A04, #A16207); }
.tool-icon--color-4 { background: linear-gradient(135deg, #65A30D, #4D7C0F); }
.tool-icon--color-5 { background: linear-gradient(135deg, #059669, #047857); }
.tool-icon--color-6 { background: linear-gradient(135deg, #0891B2, #0E7490); }
.tool-icon--color-7 { background: linear-gradient(135deg, #0284C7, #0369A1); }
.tool-icon--color-8 { background: linear-gradient(135deg, #3B82F6, #2563EB); }
.tool-icon--color-9 { background: linear-gradient(135deg, #7C3AED, #6D28D9); }
.tool-icon--color-10 { background: linear-gradient(135deg, #C026D3, #A21CAF); }
.tool-icon--color-11 { background: linear-gradient(135deg, #DB2777, #BE185D); }

.tool-icon__letters {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: -0.025em;
  font-family: var(--font-mono);
}

.tool-icon--error {
  background: linear-gradient(135deg, #DC2626, #B91C1C);
}

/* ===========================================
   Card Info
   =========================================== */

.tool-card__info {
  flex: 1;
  min-width: 0;
}

.tool-card__name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-emphasis);
  margin: 0;
  flex: 1;
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
}

.tool-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.tool-card__toggle {
  flex-shrink: 0;
}

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

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  cursor: pointer;
}

.toggle-switch__input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-switch__slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--color-surface-raised);
  transition: all var(--duration-fast) var(--ease-out);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
}

.toggle-switch__slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 2px;
  top: 2px;
  background-color: var(--color-text-subtle);
  transition: all var(--duration-fast) var(--ease-spring);
  border-radius: var(--radius-full);
}

.toggle-switch__input:checked + .toggle-switch__slider {
  background: var(--gradient-primary);
  border-color: var(--color-primary);
}

.toggle-switch__input:checked + .toggle-switch__slider::before {
  transform: translateX(24px);
  background-color: white;
  box-shadow: var(--shadow-sm);
}

.toggle-switch__input:focus-visible + .toggle-switch__slider {
  box-shadow: 0 0 0 3px var(--color-primary-surface);
}

/* Disabled state */
.toggle-switch__input:disabled + .toggle-switch__slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===========================================
   Status Section
   =========================================== */

.tool-card__status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  min-height: 32px;
}

.tool-card__status-primary {
  flex: 1;
}

.oauth-status,
.config-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
}

.oauth-status--connected,
.config-status--complete {
  color: var(--color-success);
}

.oauth-status--disconnected,
.config-status--incomplete {
  color: var(--color-text-muted);
}

.oauth-status__icon,
.config-status__icon {
  font-weight: var(--font-semibold);
}

.oauth-status__connect,
.config-status__configure {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-medium);
  transition: color var(--duration-fast) var(--ease-out);
}

.oauth-status__connect:hover,
.config-status__configure:hover {
  text-decoration: underline;
}

.tool-card__mode {
  flex-shrink: 0;
  margin-left: var(--spacing-lg);
}

/* ===========================================
   Card Details
   =========================================== */

.tool-card__details {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
}

.tool-card__capabilities {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
}

.capability-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-raised);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  border: 1px solid var(--color-border);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.capability-item:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.capability-item__icon {
  font-size: var(--text-xs);
  opacity: 0.8;
}

.capability-item__count {
  font-weight: var(--font-semibold);
  color: var(--color-text);
  font-family: var(--font-mono);
}

.capability-item__label {
  font-size: var(--text-xs);
}

.capability-count {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  background: var(--color-surface-raised);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: var(--font-medium);
  font-family: var(--font-mono);
}

/* ===========================================
   Error States
   =========================================== */

.tool-card__errors {
  margin-top: var(--spacing-sm);
}

.tool-card__error-message {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin: 0 0 var(--spacing-xs) 0;
}

.tool-card__error-message:last-child {
  margin-bottom: 0;
}

.tool-card__actions {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-subtle);
}

/* ===========================================
   Configuration Modal
   =========================================== */

.config-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(4px);
}

.config-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 0;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.config-modal__header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-modal__header h3 {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-emphasis);
  letter-spacing: var(--tracking-tight);
}

.config-modal__close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.config-modal__close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.config-modal__body {
  padding: var(--spacing-xl);
}

.config-modal__body label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.config-description {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.config-input-group {
  margin-bottom: var(--spacing-lg);
}

.config-input-group:last-child {
  margin-bottom: 0;
}

.config-input-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.config-input-group .required {
  color: var(--color-error);
  margin-left: var(--spacing-xs);
}

.config-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.config-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-surface), var(--shadow-glow);
}

.config-input::placeholder {
  color: var(--color-text-subtle);
}

.config-help {
  margin-top: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Legacy textarea support */
.config-modal__body textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  resize: vertical;
  min-height: 120px;
  background: var(--color-surface);
  color: var(--color-text);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.config-modal__body textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-surface), var(--shadow-glow);
}

.config-modal__footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.config-modal__cancel,
.config-modal__save {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.config-modal__cancel {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.config-modal__cancel:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
}

.config-modal__save {
  background: var(--gradient-primary);
  border: none;
  color: white;
  box-shadow: var(--shadow-sm);
}

.config-modal__save:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.config-modal__save:active {
  transform: translateY(0);
}

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

@media (max-width: 640px) {
  .tool-card {
    padding: var(--spacing-lg);
  }

  .tool-card:hover {
    transform: none;
  }

  .tool-card__title {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .tool-card__status {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .tool-card__mode {
    margin-left: 0;
  }

  .config-modal {
    width: 95%;
    max-height: 90vh;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .tool-card,
  .tool-card::before,
  .toggle-switch__slider,
  .toggle-switch__slider::before,
  .capability-item,
  .config-modal__save {
    transition: none;
  }
}