/* ============================================
   Hermes Agent 中文文档 - 样式表
   ============================================ */

/* CSS Custom Properties - Theme System */
:root {
  /* Light Theme (Default) */
  --color-primary: #6C5CE7;
  --color-primary-hover: #5A4BD1;
  --color-primary-light: #A29BFE;
  --color-primary-bg: rgba(108, 92, 231, 0.08);
  --color-primary-border: rgba(108, 92, 231, 0.2);

  --color-bg: #FFFFFF;
  --color-bg-secondary: #F8F9FA;
  --color-bg-tertiary: #F0F2F5;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F5F6FA;

  --color-text: #2D3436;
  --color-text-secondary: #636E72;
  --color-text-tertiary: #B2BEC3;
  --color-text-inverse: #FFFFFF;

  --color-border: #E8ECF0;
  --color-border-light: #F0F2F5;

  --color-code-bg: #F5F6FA;
  --color-code-text: #2D3436;
  --color-code-inline-bg: rgba(108, 92, 231, 0.08);

  --color-success: #00B894;
  --color-warning: #FDCB6E;
  --color-error: #E17055;
  --color-info: #74B9FF;

  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-lg: rgba(0, 0, 0, 0.1);

  --sidebar-width: 280px;
  --header-height: 60px;
  --content-max-width: 860px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #A29BFE;
  --color-primary-hover: #B8B3FF;
  --color-primary-light: #6C5CE7;
  --color-primary-bg: rgba(162, 155, 254, 0.1);
  --color-primary-border: rgba(162, 155, 254, 0.25);

  --color-bg: #0F0F1A;
  --color-bg-secondary: #1A1A2E;
  --color-bg-tertiary: #222240;
  --color-surface: #1A1A2E;
  --color-surface-hover: #222240;

  --color-text: #E8E8F0;
  --color-text-secondary: #A0A0B8;
  --color-text-tertiary: #6B6B80;
  --color-text-inverse: #0F0F1A;

  --color-border: #2D2D45;
  --color-border-light: #222240;

  --color-code-bg: #16162A;
  --color-code-text: #E8E8F0;
  --color-code-inline-bg: rgba(162, 155, 254, 0.12);

  --color-success: #55EFC4;
  --color-warning: #FFEAA7;
  --color-error: #FF7675;
  --color-info: #74B9FF;

  --color-shadow: rgba(0, 0, 0, 0.2);
  --color-shadow-lg: rgba(0, 0, 0, 0.35);
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 24px;
  backdrop-filter: blur(12px);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  text-decoration: none;
}

.header-logo:hover {
  color: var(--color-text);
}

.header-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
}

.header-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header-logo .logo-text small {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.5px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Search */
.search-box {
  position: relative;
  width: 240px;
}

.search-box input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg-secondary);
  color: var(--color-text);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.search-box input::placeholder {
  color: var(--color-text-tertiary);
}

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 24px var(--color-shadow-lg);
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 200;
}

.search-results.active {
  display: block;
}

.search-result-item {
  display: block;
  padding: 10px 14px;
  color: var(--color-text);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color var(--transition-fast);
}

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

.search-result-item:hover {
  background: var(--color-primary-bg);
}

.search-result-item .result-title {
  font-weight: 500;
  display: block;
}

.search-result-item .result-section {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  display: block;
  margin-top: 2px;
}

.search-no-results {
  padding: 20px;
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

/* Theme Toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ============================================
   Layout
   ============================================ */
.layout {
  display: flex;
  padding-top: var(--header-height);
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 20px 0;
  z-index: 50;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.sidebar-nav {
  padding: 0 12px;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  padding: 8px 12px 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-section-title .section-icon {
  font-size: 0.75rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  font-weight: 500;
}

.nav-link .nav-icon {
  font-size: 0.9rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* ============================================
   Main Content
   ============================================ */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 40px 48px 80px;
  min-height: calc(100vh - var(--header-height));
}

.main-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* ============================================
   Page Content Styles
   ============================================ */

/* Page Header */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-header .page-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  gap: 4px;
}

.badge-primary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

.badge-success {
  background: rgba(0, 184, 148, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(253, 203, 110, 0.15);
  color: #E17055;
}

.badge-info {
  background: rgba(116, 185, 255, 0.1);
  color: var(--color-info);
}

/* Section Headings */
.content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
  line-height: 1.4;
}

.content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 32px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 24px;
  margin-bottom: 8px;
}

/* Paragraphs */
.content p {
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.8;
}

/* Lists */
.content ul, .content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.content li {
  margin-bottom: 6px;
  line-height: 1.7;
  color: var(--color-text);
}

.content li::marker {
  color: var(--color-primary);
}

/* Inline Code */
.content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 2px 6px;
  background: var(--color-code-inline-bg);
  color: var(--color-primary);
  border-radius: var(--border-radius-sm);
}

/* Code Blocks */
.code-block {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  overflow: hidden;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.code-block-header .lang-label {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.code-block pre {
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-code-text);
}

.code-block pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* Copy button */
.copy-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  padding: 2px 8px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

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

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.content thead {
  background: var(--color-bg-tertiary);
}

.content th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.content td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  vertical-align: top;
}

.content tbody tr:last-child td {
  border-bottom: none;
}

.content tbody tr:hover {
  background: var(--color-surface-hover);
}

/* Callouts */
.callout {
  padding: 16px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  border-left: 3px solid;
  display: flex;
  gap: 12px;
}

.callout-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.callout-content {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.6;
}

.callout-content p {
  margin-bottom: 4px;
}

.callout-content p:last-child {
  margin-bottom: 0;
}

.callout-info {
  background: rgba(116, 185, 255, 0.08);
  border-color: var(--color-info);
}

.callout-info .callout-icon {
  color: var(--color-info);
}

.callout-warning {
  background: rgba(253, 203, 110, 0.1);
  border-color: #FDCB6E;
}

.callout-warning .callout-icon {
  color: #E17055;
}

.callout-tip {
  background: rgba(0, 184, 148, 0.08);
  border-color: var(--color-success);
}

.callout-tip .callout-icon {
  color: var(--color-success);
}

.callout-danger {
  background: rgba(225, 112, 85, 0.08);
  border-color: var(--color-error);
}

.callout-danger .callout-icon {
  color: var(--color-error);
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.feature-card {
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: 0 4px 12px var(--color-shadow);
}

.feature-card .card-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.feature-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  margin-top: 0;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.5;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ============================================
   Landing Page Specific
   ============================================ */
.hero {
  text-align: center;
  padding: 60px 0 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: white;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Quick Install */
.quick-install {
  max-width: 600px;
  margin: 40px auto 0;
  text-align: left;
}

.quick-install .install-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

/* Section on landing page */
.landing-section {
  margin-bottom: 48px;
}

.landing-section h2 {
  font-size: 1.6rem;
  text-align: center;
  margin-bottom: 8px;
  border-bottom: none;
}

.landing-section > .section-desc {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  font-size: 1rem;
}

/* ============================================
   Provider Grid
   ============================================ */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.provider-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.provider-item:hover {
  border-color: var(--color-primary-border);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.provider-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
  overflow-x: auto;
  gap: 0;
}

.tab-btn {
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================
   Accordion
   ============================================ */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 8px;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-surface);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background: var(--color-surface-hover);
}

.accordion-header .arrow {
  transition: transform var(--transition-fast);
  color: var(--color-text-tertiary);
}

.accordion-item.open .accordion-header .arrow {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 0 16px 16px;
}

.accordion-item.open .accordion-body {
  display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  margin-left: var(--sidebar-width);
  padding: 24px 48px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
  font-size: 0.8rem;
  transition: border-color var(--transition-normal);
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

.footer-links {
  display: flex;
  gap: 20px;
}

/* ============================================
   Scroll to Top
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px var(--color-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 90;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* ============================================
   Mobile Overlay
   ============================================ */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 40;
}

.sidebar-overlay.active {
  display: block;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .main {
    padding: 32px 32px 64px;
  }

  .search-box {
    width: 200px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 60;
    box-shadow: 4px 0 20px var(--color-shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .search-box {
    display: none;
  }

  .main {
    margin-left: 0;
    padding: 24px 20px 64px;
  }

  .footer {
    margin-left: 0;
    padding: 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

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

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

  .page-header h1 {
    font-size: 1.6rem;
  }

  .content h2 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .provider-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 32px 0;
}

/* Navigation breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

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

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

.breadcrumbs .separator {
  color: var(--color-text-tertiary);
}

/* Keyboard shortcuts */
.kbd {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Platform comparison table icons */
.icon-check { color: var(--color-success); }
.icon-cross { color: var(--color-text-tertiary); }
.icon-partial { color: var(--color-warning); }