footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 2rem 1.5rem;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--color-primary);
}
@media (max-width: 768px) {
  .footer-links {
    gap: 1rem;
  }
}


.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  z-index: 300;
  transform: translateY(-100%);
  transition: transform 0.2s ease;
  box-shadow: var(--shadow-lg);
}
.search-overlay.active { transform: translateY(0); }
.search-wrapper {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.search-icon { width: 20px; height: 20px; color: var(--color-text-light); flex-shrink: 0; }
#search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1rem;
  padding: 0.5rem 0;
  color: var(--color-text);
}
#search-input:focus { outline: none; }
#search-input::placeholder { color: var(--color-text-light); }
.search-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
}
.search-close-btn svg { width: 20px; height: 20px; }
.search-results {
  max-width: 600px;
  margin: 0.75rem auto 0;
  max-height: 400px;
  overflow-y: auto;
}
.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.search-result-item:hover, .search-result-item[aria-selected="true"] { background: var(--color-surface-hover); }
.result-name { font-weight: 500; }
.result-category { font-size: 0.75rem; color: var(--color-text-light); background: var(--color-bg); padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); }
.no-results { text-align: center; padding: 1rem; color: var(--color-text-light); }


.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1rem 2rem;
  z-index: 250;
  box-shadow: var(--shadow-lg);
  display: none;
}
.cookie-banner.active { display: block; }
.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.cookie-text { font-size: 0.875rem; color: var(--color-text-light); flex: 1; }
.cookie-text a { color: var(--color-primary); }
.cookie-actions { display: flex; gap: 0.5rem; }
.cookie-accept {
  padding: 0.5rem 1.25rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}
.cookie-accept:hover { background: var(--color-primary-dark); }


.mobile-nav {
  display: none;
}
.mobile-overlay {
  display: none;
}


.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.input-section,
.output-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
}

input[type="text"],
input[type="number"],
input[type="search"],
input[type="url"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-input-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring), var(--shadow-sm);
}
textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}
.tool-btn {
  padding: 0.625rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  color: var(--color-text);
}
.tool-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
}
.tool-btn:active {
  transform: translateY(0);
  box-shadow: none;
}
.tool-btn-primary {
  flex: 1;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.tool-btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), #1a3eb3);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}
.tool-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 0.5rem;
  transition: all .2s ease;
}
.result-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 1px 4px rgba(37,99,235,.08);
}
.result-label {
  font-weight: 500;
  color: var(--color-text-light);
  font-size: 0.9rem;
}
.result-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-header {
  margin-bottom: 2rem;
}
.page-header h1 {
  margin-bottom: 0.5rem;
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.page-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.6;
}
.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  margin-bottom: 3rem;
}
.tool-column {
  min-width: 0;
  background: var(--color-surface-raised);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 769px) {
  .tool-column {
    padding: 2rem;
  }
}

.seo-content {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  max-width: 880px;
}
.seo-content h2 {
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.seo-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}
.seo-content p, .seo-content li {
  color: var(--color-text-light);
  line-height: 1.75;
}
.seo-content ul, .seo-content ol { margin: 1rem 0; padding-left: 1.5rem; }
.seo-content li { margin-bottom: 0.5rem; }
.seo-content strong { color: var(--color-text); }
.seo-content code {
  background: var(--color-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--color-primary);
}

.related-tools { margin-top: 2rem; }
.related-tools h3 { margin-bottom: 1rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.related-card {
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.related-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,.2);
  transform: translateY(-1px);
}


@media (max-width: 768px) {
  .sidebar-column { display: none; }
  main {
    padding: 1rem;
  }
  header {
    padding: 0.75rem 1rem;
  }
  .leaderboard-wrapper {
    padding: 0.75rem 1rem 0;
  }
  .tool-column {
    border-radius: var(--radius-lg);
    padding: 1.25rem;
  }
  .page-header h1 {
    font-size: 1.5rem !important;
  }
  .nav-categories {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .search-trigger {
    display: flex;
  }
  .theme-toggle {
    display: none;
  }
  .mobile-nav {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-surface);
    z-index: 200;
    overflow-y: auto;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  .mobile-nav.active {
    right: 0;
  }
  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-surface);
    z-index: 10;
  }
  .mobile-nav-header h3 {
    font-size: 1.125rem;
    margin: 0;
    color: var(--color-text);
  }
  .mobile-nav-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
  }
  .mobile-nav-close:hover {
    background: var(--color-surface-hover);
  }
  .mobile-nav-close svg {
    width: 24px;
    height: 24px;
  }
  .mobile-nav-content {
    padding: 0.5rem;
  }
  .mobile-category {
    border-bottom: 1px solid var(--color-border);
  }
  .mobile-category:last-child {
    border-bottom: none;
  }
  .mobile-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 0.75rem;
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    font-family: inherit;
  }
  .mobile-category-header:hover {
    color: var(--color-primary);
  }
  .mobile-category-header .arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
    flex-shrink: 0;
  }
  .mobile-category.open .mobile-category-header .arrow {
    transform: rotate(180deg);
  }
  .mobile-category-links {
    display: none;
    padding: 0.25rem 0 0.5rem 0.75rem;
  }
  .mobile-category.open .mobile-category-links {
    display: block;
  }
  .mobile-category-links a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 0.75rem;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
  }
  .mobile-theme-row {
    border-top: 1px solid var(--color-border);
    padding: 0.75rem;
  }
  .mobile-theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    font-family: inherit;
    border-radius: var(--radius-md);
    transition: all 0.15s;
  }
  .mobile-theme-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-primary);
  }
  .mobile-theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.4s ease;
  }
  .mobile-theme-toggle .moon-icon { display: none; }
  [data-theme="dark"] .mobile-theme-toggle .sun-icon { display: none; }
  [data-theme="dark"] .mobile-theme-toggle .moon-icon { display: block; }
  .mobile-theme-toggle:active svg {
    transform: rotate(60deg);
  }
  .mobile-category-links a:hover,
  .mobile-category-links a:active {
    background: var(--color-surface-hover);
    color: var(--color-primary);
  }
  .mobile-category-links .tool-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.6;
  }
  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .mobile-overlay.active {
    display: block;
    opacity: 1;
  }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .cookie-content { flex-direction: column; text-align: center; }
}


@media (min-width: 769px) {
  .search-trigger { display: flex; }
  .theme-toggle { display: flex; }
}