/* Docs Page Styles */

.docs-hero {
  padding: 168px 0 80px;
  background: linear-gradient(160deg, #0f172a 0%, #1e293b 40%, #0f172a 100%);
  color: var(--color-text-light);
  text-align: center;
}

.docs-hero .tag {
  background: rgba(255, 255, 255, 0.1);
  color: #93c5fd;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.docs-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #ffffff;
  margin: 16px 0 20px;
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 50%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.docs-hero .hero-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.docs-search {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}

.docs-search input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.docs-search input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.docs-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.12);
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.category-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.category-card > p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 16px;
  line-height: 1.5;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.category-list li {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  padding-left: 16px;
  position: relative;
}

.category-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-primary);
  font-weight: 700;
}

.category-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
}

.category-card:hover .category-link {
  color: var(--color-primary-dark);
}

/* Detail Layout */
.detail-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.detail-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.detail-sidebar h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.detail-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-nav a {
  display: block;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.detail-nav a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.detail-nav a.active {
  background: var(--color-primary);
  color: #fff;
  font-weight: 500;
}

.detail-content {
  min-width: 0;
}

/* Doc Article */
.doc-article {
  background: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.doc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-light);
}

.doc-tag {
  padding: 4px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
}

.doc-meta time {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.doc-article h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.doc-article h3 {
  font-size: 1.125rem;
  margin: 24px 0 12px;
  color: var(--color-text);
}

.doc-article p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.doc-article ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.doc-article li {
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  line-height: 1.6;
}

.doc-article strong {
  color: var(--color-text);
}

.doc-step {
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--color-primary);
}

.doc-step h3 {
  margin-top: 0;
}

.doc-tip {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 20px;
  font-size: 0.9375rem;
  color: #92400e;
  line-height: 1.6;
}

.doc-tip a {
  color: var(--color-primary);
  font-weight: 500;
}

.doc-article .code-block {
  background: #1e293b;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #e2e8f0;
  margin: 12px 0;
}

.doc-article .code-block code {
  white-space: pre;
}

.doc-article code:not(.code-block code) {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-primary-dark);
  font-family: var(--font-mono);
}

/* SEO Grid */
.seo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.seo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
}

.seo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Doc Footer Nav */
.doc-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.doc-nav-prev,
.doc-nav-next {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.doc-nav-prev:hover,
.doc-nav-next:hover {
  color: var(--color-primary);
}

.doc-nav-next {
  text-align: right;
}

.nav-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.doc-nav-prev span:last-child,
.doc-nav-next span:last-child {
  font-weight: 600;
}

/* Help Section */
.help-section {
  background: var(--color-bg);
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.help-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: all var(--transition-base);
}

.help-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.help-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.help-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.help-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.help-card .btn {
  min-width: 140px;
}

/* Responsive */
@media (max-width: 960px) {
  .docs-hero h1 {
    font-size: 2rem;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-sidebar {
    position: static;
  }

  .detail-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .detail-nav a {
    padding: 8px 14px;
  }

  .help-grid {
    grid-template-columns: 1fr;
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .docs-hero h1 {
    font-size: 1.75rem;
  }

  .docs-hero {
    padding: 140px 0 60px;
  }

  .docs-search {
    flex-direction: column;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .doc-article {
    padding: 24px;
  }

  .doc-footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .doc-nav-next {
    text-align: center;
  }
}