@import url('variables.css');

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--header-height);
  flex-wrap: wrap;
  padding: 0.5rem 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 1.125rem;
  transition: background var(--transition);
}

.theme-toggle:hover {
  background: var(--color-bg-muted);
}

.header-search-wrap {
  position: relative;
  flex: 1 1 auto;
  max-width: 320px;
  min-width: 0;
}

.header-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  background: var(--color-bg);
  min-height: 40px;
}

.header-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.header-search-wrap .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 0.875rem;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 320px;
  overflow-y: auto;
}

.search-dropdown-item {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.search-dropdown-item:last-child {
  border-bottom: none;
}

.search-dropdown-item:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text);
}

.search-dropdown-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.search-dropdown-cat {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.search-dropdown-empty {
  padding: 1rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.ad-header-below,
.ad-footer-above {
  padding: 0.5rem 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.125rem;
}

.site-logo:hover {
  color: var(--color-primary);
}

.logo-icon {
  font-size: 1.375rem;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

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

/* ── Main ── */
.site-main {
  flex: 1;
  padding: 2rem 0 3rem;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  margin-top: auto;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.footer-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  max-width: 36rem;
  margin: 0 auto 1rem;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ── Breadcrumb ── */
.breadcrumb {
  margin-bottom: 1.5rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
}

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

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

.breadcrumb-sep {
  color: var(--color-text-muted);
  user-select: none;
}

/* ── Ad Slot ── */
.ad-slot {
  margin: 1.5rem 0;
}

.ad-placeholder {
  background: var(--color-bg-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ── Hero (Homepage) ── */
.hero {
  text-align: center;
  padding: 2rem 0 2.5rem;
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero-desc {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  max-width: 32rem;
  margin: 0 auto 2rem;
}

/* ── Search ── */
.search-box {
  position: relative;
  width: 100%;
  max-width: 28rem;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 1.125rem;
}

.search-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-secondary);
}

/* ── Category Section ── */
.category-section {
  margin-bottom: 2.5rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-border);
}

.category-icon {
  font-size: 1.5rem;
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.category-count {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background: var(--color-bg-muted);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

/* ── Tool Cards Grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
  width: 100%;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  min-height: 120px;
}

.tool-card-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

/* ── Featured Sections ── */
.featured-section {
  margin-bottom: 2.5rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title-icon {
  font-size: 1.375rem;
}

.tools-grid--compact .tool-card {
  min-height: auto;
  padding: 1rem;
}

.tools-grid--compact .tool-card-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tools-grid--compact .tool-card-arrow {
  display: none;
}

/* ── SEO Article ── */
.seo-article {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.seo-article-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.seo-article-subtitle {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--color-text);
}

.seo-article p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

/* ── FAQ ── */
.faq-section {
  margin-top: 2.5rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  overflow: hidden;
}

.faq-question {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-answer {
  padding: 0 1.25rem 1rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

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

.tool-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

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

.tool-card-arrow {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Tool Page ── */
.tool-page {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
}

.tool-header {
  margin-bottom: 2rem;
}

.tool-title {
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.tool-description {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.tool-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.tool-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.tool-related-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}