/* UI Component Styles */

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--bg-muted);
}

.nav-item-dropdown {
  position: relative;
}

.nav-dropdown-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: inherit;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 170px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
  padding: 0.5rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 100;
}

.nav-item-dropdown:hover .nav-dropdown-menu,
.nav-item-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-item {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  color: var(--primary);
  background: var(--bg-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Search Trigger Button */
.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0.85rem;
  background: var(--bg-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-trigger-btn:hover {
  background: var(--bg-surface);
  border-color: var(--border-default);
  color: var(--text-primary);
}

.search-kbd {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-default);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

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

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-default);
}

.btn-sm {
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  height: 34px;
  line-height: 1;
  border-radius: var(--radius-sm);
  box-sizing: border-box;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-default);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--bg-muted);
  border-color: var(--primary);
  color: var(--primary);
}

/* Cards & Grid */
.related-tools-grid,
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .related-tools-grid,
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-md);
}

.tool-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--transition-normal);
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.tool-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.tool-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.tool-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.tool-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-client {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-server {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

/* Search Modal */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal-backdrop.open {
  display: flex;
}

.search-modal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: modalFadeIn 150ms ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1.125rem;
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
}

.search-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.5rem;
  list-style: none;
}

.search-result-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.search-result-item a:hover, .search-result-item.selected a {
  background: var(--bg-muted);
  color: var(--primary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: toastSlide 200ms ease-out;
}

@keyframes toastSlide {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Footer */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .nav-links {
    display: none;
  }
}