/* ============================================================
   Chain Matrix — Components CSS
   Nav, Header, Footer, Cards, Buttons, Badges, Toast, etc.
   ============================================================ */

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.nav.scrolled {
  background: rgba(7, 7, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .nav.scrolled {
  background: rgba(248, 250, 252, 0.85);
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  gap: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
  overflow: hidden;
}

.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-logo-text {
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.nav-logo-text span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--surface-glass);
}

.nav-link.active {
  color: var(--text-accent);
  background: rgba(99, 102, 241, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.nav-search-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-glass);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

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

.nav-search-btn kbd {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: 1px 5px;
  background: var(--surface-2);
  border-radius: 4px;
  border: 1px solid var(--border-muted);
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  border: 1px solid var(--border-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background: var(--surface-glass-hover);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: all var(--transition-base);
}

.theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* GitHub link */
.nav-github {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  border: 1px solid var(--border-muted);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-github:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--surface-glass-hover);
}

/* Mobile Menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-hamburger:hover { background: var(--surface-glass); }

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-6);
  z-index: calc(var(--z-sticky) - 1);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

.nav-mobile.open { display: flex; animation: fade-up 0.2s ease; }

.nav-mobile .nav-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-search-btn span { display: none; }
  .nav-search-btn kbd { display: none; }
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item:hover { color: var(--text-primary); }

.breadcrumb-separator {
  color: var(--text-xmuted);
}

.breadcrumb-current {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.4);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-secondary {
  background: var(--surface-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-muted);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent-primary);
  background: var(--surface-glass-hover);
  color: var(--text-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-glass);
  color: var(--text-primary);
  border-color: var(--border-muted);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: var(--space-2);
  width: 36px;
  height: 36px;
}

/* Copy Button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--surface-glass);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  border-color: var(--color-success);
  color: var(--color-success);
}

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

/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(16,185,129,0.2); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid rgba(239,68,68,0.2); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); border: 1px solid rgba(59,130,246,0.2); }
.badge-neutral { background: var(--surface-2); color: var(--text-muted); border: 1px solid var(--border-muted); }

/* ============================================================
   Category Cards
   ============================================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--accent-gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card:hover {
  border-color: var(--cat-color, var(--accent-primary));
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--cat-color, var(--accent-primary));
  transform: translateY(-4px);
}

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

.category-card:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.category-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(var(--cat-color-rgb, 99, 102, 241), 0.12);
  border: 1px solid var(--cat-color, var(--accent-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cat-color, var(--accent-primary));
  position: relative;
  z-index: 1;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.category-card:hover .category-icon-wrap {
  transform: scale(1.1) rotate(-5deg);
}

.category-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.category-count {
  font-size: var(--text-sm);
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.category-arrow {
  margin-top: auto;
  color: var(--cat-color, var(--accent-primary));
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.category-card:hover .category-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   Tool Cards
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.tool-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: var(--surface-glass-hover);
}

.tool-card:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

.tool-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  border: 1px solid var(--border-subtle);
}

.tool-card-badge {
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  background: var(--accent-gradient-subtle);
  color: var(--text-accent);
  border: 1px solid var(--border-accent);
}

.tool-card-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.tool-card-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.tool-card-tag {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}

.tool-card-arrow {
  color: var(--text-xmuted);
  transition: all var(--transition-fast);
  display: flex;
}

.tool-card:hover .tool-card-arrow {
  color: var(--accent-primary);
  transform: translateX(3px);
}

/* Popular badge */
.tool-card .badge-popular {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 9px;
  padding: 2px 7px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--surface-1);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  pointer-events: all;
  animation: toast-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  min-width: 260px;
  max-width: 380px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.toast.hiding {
  animation: toast-out 0.2s ease both;
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error { border-left: 3px solid var(--color-error); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-info { border-left: 3px solid var(--color-info); }

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-msg { flex: 1; }

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  display: flex;
  border-radius: 4px;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.toast-close:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%) scale(0.9); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(100%) scale(0.9); }
}

@media (max-width: 480px) {
  .toast-container {
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
  }
  .toast { min-width: unset; max-width: unset; width: 100%; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.footer-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.footer-logo-text {
  font-weight: 800;
  font-size: var(--text-base);
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  border: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: var(--surface-glass-hover);
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Search Modal (full screen overlay)
   ============================================================ */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal.open {
  display: flex;
  animation: fade-in 0.15s ease;
}

.search-modal-inner {
  width: 100%;
  max-width: 640px;
  padding: 0 var(--space-4);
}

.search-modal-box {
  background: var(--surface-1);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: scale-in 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.search-modal-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.search-modal-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: var(--text-lg);
  font-family: var(--font-sans);
  color: var(--text-primary);
}

.search-modal-input::placeholder { color: var(--text-muted); }

.search-modal-esc {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: 2px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  color: var(--text-muted);
  white-space: nowrap;
}

.search-modal-results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-2);
}

.search-modal-section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-2);
}

.search-modal-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.search-modal-item:hover,
.search-modal-item.focused {
  background: var(--surface-glass);
}

.search-modal-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
  font-size: 16px;
}

.search-modal-item-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.search-modal-item-cat {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.search-modal-empty {
  padding: var(--space-10);
  text-align: center;
  color: var(--text-muted);
}

.search-modal-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.search-modal-footer kbd {
  font-family: var(--font-mono);
  padding: 1px 5px;
  background: var(--surface-2);
  border: 1px solid var(--border-muted);
  border-radius: 3px;
  font-size: inherit;
}

/* ============================================================
   Related Tools (sidebar / bottom)
   ============================================================ */
.related-tools {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.related-tool-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.related-tool-link:hover {
  border-color: var(--border-accent);
  color: var(--text-accent);
  background: var(--surface-glass-hover);
  transform: translateX(3px);
}

.related-tool-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

/* ============================================================
   Keyboard Shortcut hints
   ============================================================ */
.shortcut-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.shortcut-hint kbd {
  font-family: var(--font-mono);
  padding: 1px 5px;
  background: var(--surface-2);
  border: 1px solid var(--border-muted);
  border-radius: 3px;
  font-size: inherit;
}