/* ============================================================
   PaddleOCR Documentation Page — Specific Styles
   doc/doc-style.css
   ============================================================ */

/* Import global styles */
@import url('/style.css');

/* ============================================================
   Doc Layout: Sidebar + Content
   ============================================================ */
.doc-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: auto;
  min-height: calc(100vh - var(--nav-height));
  max-width: 1400px;
  margin: 0 auto;
  gap: 0;
}

/* ============================================================
   Sidebar
   ============================================================ */
.doc-sidebar {
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.doc-sidebar::-webkit-scrollbar {
  width: 4px;
}
.doc-sidebar::-webkit-scrollbar-track { background: transparent; }
.doc-sidebar::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.sidebar-header {
  padding: 0 var(--space-lg) var(--space-md);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-header h2 {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.sidebar-nav-group {
  margin-bottom: var(--space-sm);
}

.sidebar-group-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-lg);
  margin-top: var(--space-sm);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-sec);
  padding: 7px var(--space-lg);
  border-radius: 0;
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  line-height: 1.4;
}

.sidebar-link:hover {
  color: var(--color-primary);
  background: rgba(37,99,235,0.05);
}

.sidebar-link.active {
  color: var(--color-primary);
  background: rgba(37,99,235,0.08);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.sidebar-link svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* AD in sidebar */
.sidebar-ad {
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-md) var(--space-md) 0;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

/* Mobile sidebar toggle */
.sidebar-toggle-btn {
  display: none;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin: var(--space-md) var(--space-md) 0;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.sidebar-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   Doc Content Area
   ============================================================ */
.doc-content {
  padding: var(--space-2xl) var(--space-3xl);
  max-width: 860px;
  overflow-x: hidden;
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  opacity: 0.5;
  font-size: 0.75rem;
}

.breadcrumb-current {
  color: var(--color-text-sec);
}

/* Doc Section */
.doc-section {
  margin-bottom: var(--space-4xl);
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.doc-section h2 {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-border);
  line-height: 1.25;
}

.doc-section h3 {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.doc-section h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.doc-section p {
  font-size: 1rem;
  color: var(--color-text-sec);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.doc-section ul, .doc-section ol {
  list-style: disc;
  padding-left: var(--space-xl);
  color: var(--color-text-sec);
  margin-bottom: var(--space-md);
}

.doc-section ol { list-style: decimal; }

.doc-section li {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 4px;
}

/* TL;DR Box */
.tldr-box {
  background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(79,70,229,0.05));
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.tldr-box h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  border: none;
  padding: 0;
}

.tldr-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tldr-box li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.tldr-box li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Doc Terminal — smaller variant */
.doc-terminal {
  background: var(--color-term-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-md);
}

.doc-terminal .terminal-header {
  padding: 10px 14px;
}

.doc-terminal .terminal-body {
  padding: var(--space-md) var(--space-lg);
}

.doc-terminal pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-term-text);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

/* HowTo Step */
.howto-step {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-left: var(--space-sm);
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step-content h4 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--color-text);
}

.step-content p {
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* Definition List */
dl.option-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.option-item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
}

.option-item dt {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.option-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(37,99,235,0.1);
  color: var(--color-primary);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.option-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-warning);
  background: rgba(217,119,6,0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.option-default {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: rgba(148,163,184,0.12);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.option-item dd {
  font-size: 0.9375rem;
  color: var(--color-text-sec);
  line-height: 1.65;
  margin-left: 0;
}

/* Blockquote / callout */
blockquote.callout {
  border-left: 4px solid var(--color-primary);
  background: rgba(37,99,235,0.04);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-lg) 0;
  font-size: 0.9375rem;
  color: var(--color-text-sec);
  font-style: italic;
  line-height: 1.7;
}

/* Doc Ad mid-content */
.doc-ad-mid {
  width: 100%;
  min-height: 90px;
  background: transparent;
  margin: var(--space-2xl) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ============================================================
   Responsive: Doc Page
   ============================================================ */
@media (max-width: 1024px) {
  .doc-layout {
    grid-template-columns: 220px 1fr;
  }

  .doc-content {
    padding: var(--space-xl) var(--space-xl);
  }
}

@media (max-width: 768px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .doc-sidebar {
    position: fixed;
    left: -280px;
    width: 280px;
    height: 100%;
    top: var(--nav-height);
    z-index: 90;
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-normal);
    border-right: 1px solid var(--color-border);
  }

  .doc-sidebar.open {
    left: 0;
  }

  .sidebar-toggle-btn {
    display: flex;
  }

  .doc-content {
    padding: var(--space-md) var(--space-md);
  }

  .doc-section h2 {
    font-size: 1.5rem;
  }

  .doc-section h3 {
    font-size: 1.125rem;
  }
}

/* ============================================================
   Active sidebar link indicator
   ============================================================ */
.sidebar-link.active::before {
  content: '';
}