/* SDK Documentation Styles */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}
.header__left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 16px;
}
.header__logo:hover { color: var(--text-primary); }
.header__subtitle {
  color: var(--accent);
  font-weight: 600;
}
.logo-icon { display: flex; }
.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header__link {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.header__link:hover { color: var(--text-primary); }
.header__link--gh { display: flex; }
.version-badge {
  background: var(--accent-subtle);
  color: var(--accent-bright);
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
}

/* Search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
  min-width: 200px;
}
.search-trigger:hover {
  border-color: var(--border-hover);
  color: var(--text-secondary);
}
.search-trigger kbd {
  margin-left: auto;
  background: var(--bg-elevated);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-family: var(--font-sans);
  border: 1px solid var(--border);
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}
.search-overlay.open { display: flex; }
.search-modal {
  width: 560px;
  max-height: 60vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.search-input-wrap .search-icon { color: var(--text-tertiary); flex-shrink: 0; }
.search-input-wrap input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-family: var(--font-sans);
  outline: none;
}
.search-input-wrap input::placeholder { color: var(--text-tertiary); }
.search-input-wrap kbd {
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  font-family: var(--font-sans);
}
.search-results {
  overflow-y: auto;
  padding: 8px;
}
.search-result {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
}
.search-result:hover, .search-result.active {
  background: var(--accent-subtle);
  color: var(--text-primary);
}
.search-result__section {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.search-result__title {
  font-size: 14px;
  font-weight: 500;
  margin-top: 2px;
}
.search-result__preview {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 20px 0;
  z-index: 50;
  transition: transform 0.3s ease;
}
.sidebar__nav { padding: 0 12px; }
.sidebar__section { margin-bottom: 24px; }
.sidebar__heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  padding: 0 12px;
  margin-bottom: 8px;
}
.sidebar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s;
  font-weight: 450;
}
.sidebar__link:hover {
  color: var(--text-primary);
  background: var(--accent-subtle);
}
.sidebar__link.active {
  color: var(--accent-bright);
  background: rgba(108, 99, 255, 0.1);
  font-weight: 600;
}
.sidebar__badge {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.sidebar__badge--http { background: rgba(108, 99, 255, 0.15); color: var(--accent); }
.sidebar__badge--wasm { background: rgba(0, 212, 170, 0.15); color: var(--green); }
.sidebar__badge--json { background: rgba(255, 140, 66, 0.15); color: var(--orange); }

/* Main */
.main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

.doc-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px;
  border-bottom: 1px solid var(--border);
  animation: fadeIn 0.3s ease-out;
}
.doc-section:last-of-type { border-bottom: none; }

.doc-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}
.doc-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text-primary);
  scroll-margin-top: calc(var(--header-height) + 24px);
}
.doc-section p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.7;
}
.doc-section p a { text-decoration: underline; text-underline-offset: 2px; }

/* Hero */
.hero {
  text-align: center;
  padding: 40px 0 20px;
}
.hero__badge {
  display: inline-block;
  background: var(--accent-subtle);
  color: var(--accent-bright);
  padding: 5px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid var(--border-accent);
}
.hero__title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 28px;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn--primary:hover {
  background: var(--accent-bright);
  color: white;
  box-shadow: 0 0 30px rgba(108, 99, 255, 0.4);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--accent-subtle);
}

/* Hero cards */
.hero__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.hero-card {
  padding: 24px;
  text-align: left;
  cursor: default;
}
.hero-card__icon { margin-bottom: 12px; }
.hero-card__label {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.hero-card__desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Callout */
.callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.callout strong { color: var(--text-primary); }
.callout__icon { flex-shrink: 0; margin-top: 1px; }
.callout--info {
  background: rgba(108, 99, 255, 0.06);
  border: 1px solid rgba(108, 99, 255, 0.15);
}
.callout--info .callout__icon { color: var(--accent); }
.callout--warning {
  background: rgba(255, 77, 106, 0.06);
  border: 1px solid rgba(255, 77, 106, 0.15);
}
.callout--warning .callout__icon { color: var(--red); }
.callout--success {
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.15);
}
.callout--success .callout__icon { color: var(--green); }

/* Steps */
.steps { margin: 24px 0; }
.step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--accent-glow);
}
.step__content { flex: 1; min-width: 0; }
.step__content h3 { margin-top: 4px; margin-bottom: 12px; }

/* Install methods */
.install-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.install-method {
  padding: 16px;
}
.install-method strong { font-size: 14px; }
.install-method p { font-size: 13px; margin: 4px 0 0; }

/* Tabs */
.tabs { margin: 16px 0; }
.tabs__header {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.tabs__tab {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.tabs__tab:hover { color: var(--text-secondary); }
.tabs__tab.active {
  color: var(--accent-bright);
  border-bottom-color: var(--accent);
}
.tabs__panel { display: none; }
.tabs__panel.active { display: block; }
.tabs__panel pre {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-top: none;
  margin-top: 0;
}

/* Type grid */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.type-card {
  padding: 20px;
  color: var(--text-primary);
  transition: all 0.2s;
  cursor: pointer;
}
.type-card:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.type-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.type-card__complexity {
  font-size: 11px;
  color: var(--text-tertiary);
}
.type-card h3 {
  margin: 0 0 6px !important;
  font-size: 16px;
}
.type-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Architecture diagram */
.diagram {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.diagram__row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.diagram__row--bottom { gap: 6px; }
.diagram__node {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}
.diagram__node--http { background: rgba(108, 99, 255, 0.12); color: var(--accent-bright); border: 1px solid rgba(108, 99, 255, 0.2); }
.diagram__node--wasm { background: rgba(0, 212, 170, 0.12); color: var(--green); border: 1px solid rgba(0, 212, 170, 0.2); }
.diagram__node--json { background: rgba(255, 140, 66, 0.12); color: var(--orange); border: 1px solid rgba(255, 140, 66, 0.2); }
.diagram__node--core { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-accent); padding: 14px 40px; font-size: 14px; }
.diagram__node--player { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border); padding: 10px 32px; }
.diagram__arrow {
  color: var(--text-tertiary);
  font-size: 20px;
  line-height: 1;
}
.diagram__arrow-split {
  width: 200px;
  height: 1px;
  background: var(--text-tertiary);
  opacity: 0.3;
  margin: 4px 0;
}

/* Binary diagram */
.binary-diagram {
  display: flex;
  gap: 2px;
  margin: 16px 0;
  padding: 16px;
  background: #0c0c18;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.bin-field {
  flex: var(--w) 0 0;
  padding: 10px 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  text-align: center;
  min-width: 40px;
}
.bin-field span {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-bright);
}
.bin-field small {
  display: block;
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 2px;
}
.bin-field--payload { background: rgba(108, 99, 255, 0.08); }
.bin-field--payload span { color: var(--green); }
.bin-field--sig { background: rgba(255, 140, 66, 0.08); }
.bin-field--sig span { color: var(--orange); }

/* Permission grid */
.perm-grid { margin: 12px 0; }
.perm-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

/* Method cards */
.method-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}
.method-card {
  padding: 20px;
}
.method-card h4 {
  font-size: 15px;
  margin-bottom: 8px;
}
.method-card p {
  font-size: 13px;
  margin: 0 0 8px;
}
.method-card code {
  font-size: 11px;
  word-break: break-all;
}

/* Checklist */
.checklist {
  margin: 12px 0;
}
.checklist label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
}
.checklist input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* Example grid */
.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.example-card {
  padding: 20px;
}
.example-card__lang {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.example-card h4 {
  font-size: 15px;
  margin-bottom: 6px;
}
.example-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.example-card a {
  font-size: 13px;
  font-weight: 500;
}

/* Tool cards */
.tool-cards {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}
.tool-card {
  padding: 20px;
}
.tool-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.tool-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.tool-card pre {
  font-size: 12px;
  padding: 12px 16px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  max-width: 860px;
  margin: 0 auto;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__inner p {
  font-size: 13px;
  color: var(--text-tertiary);
}
.footer__links {
  display: flex;
  gap: 20px;
}
.footer__links a {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1100px) {
  .hero__title { font-size: 36px; }
  .hero__cards { grid-template-columns: 1fr; }
  .method-cards { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    background: var(--bg-primary);
    z-index: 90;
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .doc-section { padding: 32px 20px; }
  .hero__title { font-size: 28px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .install-methods { grid-template-columns: 1fr; }
  .search-trigger span { display: none; }
  .search-trigger kbd { display: none; }
  .search-trigger { min-width: auto; padding: 6px 10px; }
  .search-modal { width: calc(100% - 32px); }
  .type-grid { grid-template-columns: 1fr; }
  .example-grid { grid-template-columns: 1fr; }
}