/**
 * REUSABLE COMPONENTS
 * Adheres strictly to token foundations & WCAG 2.2 AA
 */

/* 1. Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  height: 64px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-logo:hover {
  text-decoration: none;
  color: var(--color-text-primary);
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #ff0033 0%, #cc0029 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 2px 8px var(--color-brand-glow);
}

.brand-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-brand-subtle);
  color: var(--color-brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-primary);
  background-color: var(--color-surface-muted);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* 2. Global Search Quick Trigger */
.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-surface-muted);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
  min-width: 210px;
}

.search-trigger-btn:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.kbd-shortcut {
  margin-left: auto;
  font-family: var(--font-family-mono);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: 1px 5px;
  color: var(--color-text-tertiary);
}

/* 3. Button Component Rules */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  padding: var(--space-2) var(--space-4);
  min-height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--motion-duration-fast) var(--motion-easing-standard),
              border-color var(--motion-duration-fast) var(--motion-easing-standard),
              transform var(--motion-duration-instant) var(--motion-easing-standard),
              box-shadow var(--motion-duration-fast) var(--motion-easing-standard);
  white-space: nowrap;
  user-select: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-brand-primary);
  color: #ffffff;
  border-color: var(--color-brand-primary);
  box-shadow: 0 1px 3px var(--color-brand-glow);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  text-decoration: none;
  box-shadow: 0 4px 12px var(--color-brand-glow);
}

.btn-secondary {
  background-color: var(--color-surface-raised);
  color: var(--color-text-primary);
  border-color: var(--color-border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-muted);
  border-color: var(--color-border-strong);
  text-decoration: none;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-surface-muted);
  color: var(--color-text-primary);
  text-decoration: none;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  min-height: 32px;
}

.btn-lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-md);
  min-height: 48px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
}

/* Universal Copy Button */
.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-surface-muted);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
}

.btn-copy:hover {
  background-color: var(--color-surface-raised);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

.btn-copy.copied {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
  border-color: var(--color-success);
}

/* 4. Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  width: 100%;
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.form-helper {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  transition: border-color var(--motion-duration-fast) var(--motion-easing-standard),
              box-shadow var(--motion-duration-fast) var(--motion-easing-standard);
}

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

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-input-error {
  border-color: var(--color-danger) !important;
}

.form-error-msg {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Input with inline submit button */
.input-group-merged {
  display: flex;
  align-items: stretch;
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.input-group-merged .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.input-group-merged .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* 5. Tool Card Component */
.tool-card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  transition: transform var(--motion-duration-fast) var(--motion-easing-standard),
              border-color var(--motion-duration-fast) var(--motion-easing-standard),
              box-shadow var(--motion-duration-fast) var(--motion-easing-standard);
  position: relative;
  text-decoration: none;
  color: inherit;
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-card-hover-border);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}

.tool-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-primary);
  font-size: 20px;
  border: 1px solid var(--color-border-subtle);
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
}

.tool-card:hover .tool-card-icon {
  background-color: var(--color-brand-subtle);
  border-color: var(--color-brand-border);
}

.tool-card-badges {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.tool-card-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.tool-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.45;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-xs);
}

.tool-card-category {
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-card-action {
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-bold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 6. Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  line-height: 1.3;
}

.badge-free {
  background-color: var(--color-badge-free-bg);
  color: var(--color-badge-free-text);
}

.badge-pro {
  background-color: var(--color-badge-pro-bg);
  color: var(--color-badge-pro-text);
}

.badge-limited {
  background-color: var(--color-badge-limit-bg);
  color: var(--color-badge-limit-text);
}

.badge-category {
  background-color: var(--color-surface-muted);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
}

/* Filter pills */
.pill-filter {
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
}

.pill-filter:hover {
  background-color: var(--color-surface-muted);
  color: var(--color-text-primary);
}

.pill-filter.active {
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-text-primary);
}

/* 7. Modal & Drawer Overlay System */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--motion-duration-normal) var(--motion-easing-standard),
              visibility var(--motion-duration-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--motion-duration-normal) var(--motion-easing-standard);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-5);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background-color: var(--color-surface-muted);
}

/* Side Drawer (e.g. Saved Workspace items) */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 250;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--motion-duration-normal) var(--motion-easing-standard);
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  background-color: var(--color-surface-raised);
  border-left: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--motion-duration-normal) var(--motion-easing-standard);
  z-index: 251;
}

.drawer-backdrop.open .drawer {
  transform: translateX(0);
}

/* 8. Toast Notification System */
.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 300;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface-strong);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--motion-duration-fast) var(--motion-easing-standard);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* 9. Metrics & Score Badges */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-extrabold);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: var(--font-size-md);
}

.score-badge-high {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
}

.score-badge-medium {
  background-color: var(--color-warning-subtle);
  color: var(--color-warning);
}

.score-badge-low {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger);
}

/* Progress Bars */
.progress-track {
  width: 100%;
  height: 8px;
  background-color: var(--color-surface-muted);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width var(--motion-duration-normal) var(--motion-easing-standard);
}

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

/* 10. Accordion / FAQ */
.faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  background-color: var(--color-surface-raised);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
}

.faq-trigger:hover {
  background-color: var(--color-surface-muted);
}

.faq-body {
  padding: 0 var(--space-4) var(--space-4) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  display: none;
}

.faq-item.open .faq-body {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: transform var(--motion-duration-fast) var(--motion-easing-standard);
}