/* ==========================================================================
   Alembic — API Documentation
   API docs layout, endpoint cards, playground, navigation
   ========================================================================== */


/* ===========================================
   API Documentation Page
   =========================================== */

.api-docs {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  height: 100%;
  min-height: 0;
}

/* Navigation */
.api-docs-nav {
  position: sticky;
  top: 0;
  height: calc(100vh - 56px);
  overflow-y: auto;
  border-right: 1px solid var(--color-ink-100);
  padding: var(--space-4) 0;
  background: var(--color-white);
  scrollbar-width: thin;
}

.api-docs-nav-section {
  padding: 0 var(--space-4);
  margin-bottom: var(--space-4);
}

.api-docs-nav-heading {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-300);
  padding: var(--space-2) var(--space-3);
}

.api-docs-nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px var(--space-3);
  font-size: 13px;
  color: var(--color-ink-500);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.12s ease;
  line-height: 1.3;
}

.api-docs-nav-link:hover {
  color: var(--color-ink-700);
  background: var(--color-ink-50);
}

.api-docs-nav-link.active {
  color: var(--color-action);
  background: var(--color-action-50, #F2F0ED);
  font-weight: 500;
}

.api-docs-nav-link.sub {
  padding-left: var(--space-5);
  font-size: 12px;
}

/* Content */
.api-docs-content {
  overflow-y: auto;
  height: calc(100vh - 56px);
  padding: var(--space-8) var(--space-8) var(--space-12);
  max-width: 860px;
}

.api-docs-section {
  margin-bottom: var(--space-10);
  scroll-margin-top: var(--space-4);
}

.api-docs-section h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--color-ink-900);
  margin-bottom: var(--space-2);
}

.api-docs-section h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-ink-900);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-ink-100);
}

.api-docs-section h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink-700);
  margin: var(--space-5) 0 var(--space-2);
}

.api-docs-section p {
  font-size: 14px;
  color: var(--color-ink-500);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.api-docs-hero-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  color: var(--color-ink-900);
}

.api-docs-hero-sub {
  font-size: 16px;
  color: var(--color-ink-400);
}

.api-docs-base-url {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-ink-50);
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
}

.api-docs-base-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
}

.api-docs-base-url code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-ink-700);
}

/* Method Badges */
.api-method-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.api-method-badge.get { background: var(--color-green-100); color: var(--color-green-700); }
.api-method-badge.post { background: var(--color-action-100, #E2F0E9); color: var(--color-action-700, #356B50); }
.api-method-badge.put { background: var(--color-amber-100); color: var(--color-amber-600); }
.api-method-badge.patch { background: var(--color-amber-50); color: var(--color-amber-600); }
.api-method-badge.delete { background: var(--color-red-100); color: var(--color-red-text); }

.api-method-badge.mini {
  padding: 1px 4px;
  font-size: 9px;
  border-radius: 3px;
}

/* Scope Badge */
.api-scope-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 2px 6px;
  border: 1px solid var(--color-ink-100);
  border-radius: 4px;
  margin-left: auto;
}

/* Endpoint Block */
.api-endpoint-block {
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  scroll-margin-top: var(--space-4);
  background: var(--color-white);
}

.api-endpoint-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.api-endpoint-path {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink-700);
  font-weight: 500;
}

.api-endpoint-summary {
  font-size: 14px;
  color: var(--color-ink-500);
  margin-bottom: var(--space-2);
}

.api-endpoint-notes {
  font-size: 12px;
  color: var(--color-ink-400);
  font-style: italic;
  margin-bottom: var(--space-2);
}

/* Endpoint Details (collapsible) */
.api-endpoint-details {
  margin-top: var(--space-2);
  border-top: 1px solid var(--color-ink-50);
}

.api-endpoint-details summary {
  padding: var(--space-2) 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-ink-400);
  cursor: pointer;
  user-select: none;
}

.api-endpoint-details summary:hover { color: var(--color-ink-600); }

.api-endpoint-details[open] summary { color: var(--color-ink-600); }

/* Params Table */
.api-params-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: var(--space-2) 0;
}

.api-params-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 6px 12px;
  border-bottom: 1px solid var(--color-ink-100);
}

.api-params-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-ink-50);
  color: var(--color-ink-600);
  vertical-align: top;
}

.api-params-table td code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-ink-50);
  padding: 1px 4px;
  border-radius: 3px;
}

.api-required {
  font-size: 10px;
  color: var(--red-600);
  font-weight: 500;
}

/* Scope Table */
.api-scope-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: var(--space-3) 0;
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  overflow: hidden;
}

.api-scope-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 8px 14px;
  background: var(--color-ink-50);
  border-bottom: 1px solid var(--color-ink-100);
}

.api-scope-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-ink-50);
  color: var(--color-ink-600);
}

.api-scope-table td code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-ink-50);
  padding: 2px 6px;
  border-radius: 3px;
}

/* Code Blocks */
.api-code-block {
  background: var(--color-ink-50);
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  overflow: hidden;
  margin: var(--space-2) 0;
  position: relative;
}
.api-code-copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--color-white, #fff);
  border: 1px solid var(--color-ink-10, #E3E6E9);
  border-radius: 6px;
  padding: 4px 6px;
  cursor: pointer;
  color: var(--color-ink-40, #8A939C);
  opacity: 0;
  transition: opacity 150ms;
  line-height: 1;
}
.api-code-block:hover .api-code-copy-btn { opacity: 1; }
.api-code-copy-btn:hover { color: var(--color-action); border-color: var(--color-action); }

.api-code-block.dark {
  background: var(--color-code-bg, #16130E);
  border-color: var(--color-code-border, #3D3730);
}

.api-code-block.dark code {
  color: var(--color-code-text, #CFC9C2);
}

.api-code-block.dark .api-code-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: var(--color-code-border, #3D3730);
  color: var(--color-code-muted, #9B9289);
}

.api-code-block.dark .api-code-copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-code-border, #3D3730);
  color: var(--color-code-muted, #9B9289);
}

.api-code-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 8px 14px;
  border-bottom: 1px solid var(--color-ink-100);
  background: var(--color-ink-50);
}

.api-code-block pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
}

.api-code-block code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink-700);
  white-space: pre;
}

/* Code Tabs */
.api-code-tabs {
  margin: var(--space-3) 0;
}

.api-code-tab-bar {
  display: flex;
  gap: 2px;
  background: var(--color-ink-100);
  border-radius: 8px 8px 0 0;
  padding: 3px 3px 0;
}

.api-code-tab {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-ink-400);
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: all 0.12s ease;
}

.api-code-tab:hover { color: var(--color-ink-600); }

.api-code-tab.active {
  background: var(--color-ink-50);
  color: var(--color-ink-700);
}

/* Key Display */
.api-docs-key-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-green-50);
  border: 1px solid var(--color-green-100);
  border-radius: 8px;
  margin: var(--space-3) 0;
}

.api-docs-key-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-green-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-docs-key-display code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink-700);
}

/* CTA */
.api-docs-cta {
  text-align: center;
  padding: var(--space-5);
  background: var(--color-action-50, #F2F0ED);
  border: 1px solid var(--color-action-100, #E2F0E9);
  border-radius: 8px;
  margin: var(--space-3) 0;
}

.api-docs-cta p {
  color: var(--color-ink-500);
  margin-bottom: var(--space-3);
}

/* Playground */
.api-playground {
  padding: var(--space-3) 0;
}

.api-playground-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.api-playground-row label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-ink-500);
  min-width: 80px;
}

.api-playground-row input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--color-ink-200);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--color-white);
}

.api-playground-row input:focus {
  outline: none;
  border-color: var(--color-action-light, #569F7A);
  box-shadow: 0 0 0 3px var(--color-action-50, #F2F0ED);
}

.api-playground-send {
  margin-top: var(--space-2);
}

.api-playground-result {
  margin-top: var(--space-3);
}

.api-playground-result pre {
  background: var(--color-code-bg, #16130E);
  color: var(--color-code-text, #CFC9C2);
  border: 1px solid var(--color-code-border, #3D3730);
  padding: 14px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

.api-playground-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.api-playground-status {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.api-playground-status.success { background: var(--color-green-100); color: var(--color-green-700); }
.api-playground-status.error { background: var(--color-red-100); color: var(--color-red-text); }

.api-playground-time {
  font-size: 12px;
  color: var(--color-ink-300);
}

.api-playground-error {
  background: var(--color-red-100) !important;
  color: var(--color-red-text) !important;
  border: 1px solid var(--color-red-bg);
}

/* Rate Limit Tier Badges */
.api-tier-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 4px;
}

.api-tier-badge.read { background: var(--color-green-100); color: var(--color-green-700); }
.api-tier-badge.write { background: var(--color-action-100, #E2F0E9); color: var(--color-action-700, #356B50); }
.api-tier-badge.upload { background: var(--color-amber-100); color: var(--color-amber-600); }
.api-tier-badge.chat { background: var(--color-purple-100); color: var(--color-purple-600); }

/* Status code badge */
.api-status-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 8px;
}

.api-status-badge.s2xx { background: var(--color-green-100); color: var(--color-green-700); }
.api-status-badge.s3xx { background: var(--color-action-100, #E2F0E9); color: var(--color-action-700, #356B50); }
.api-status-badge.s4xx { background: var(--color-red-100); color: var(--color-red-text); }

/* Endpoint description paragraph */
.api-endpoint-desc {
  font-size: 13px;
  color: var(--color-ink-500);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

/* Error table within endpoints */
.api-error-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: var(--space-2) 0;
}

.api-error-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 6px 10px;
  border-bottom: 1px solid var(--color-ink-100);
}

.api-error-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--color-ink-50);
  color: var(--color-ink-600);
  vertical-align: top;
}

.api-error-table td code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--color-ink-50);
  padding: 1px 4px;
  border-radius: 3px;
}

.api-error-table .err-status {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-red-600);
}

/* Type definition cards */
.api-type-def {
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  margin-bottom: var(--space-4);
  background: var(--color-white);
  overflow: hidden;
}

.api-type-def-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink-50);
  border-bottom: 1px solid var(--color-ink-100);
}

.api-type-def-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-700);
}

.api-type-def table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.api-type-def th {
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 6px 14px;
  border-bottom: 1px solid var(--color-ink-100);
}

.api-type-def td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--color-ink-50);
  color: var(--color-ink-600);
  vertical-align: top;
}

.api-type-def td code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-ink-50);
  padding: 1px 4px;
  border-radius: 3px;
}

.api-type-def td .field-type {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-action);
}

/* Section description block */
.api-section-description {
  font-size: 14px;
  color: var(--color-ink-500);
  line-height: 1.65;
  margin-bottom: var(--space-4);
  max-width: 700px;
}

/* Webhook event table */
.api-webhook-event-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: var(--space-3) 0;
  border: 1px solid var(--color-ink-100);
  border-radius: 8px;
  overflow: hidden;
}

.api-webhook-event-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-300);
  padding: 8px 14px;
  background: var(--color-ink-50);
  border-bottom: 1px solid var(--color-ink-100);
}

.api-webhook-event-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-ink-50);
  color: var(--color-ink-600);
}

.api-webhook-event-table td code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-ink-50);
  padding: 2px 6px;
  border-radius: 3px;
}

/* SSE event list */
.api-sse-event-list {
  margin: var(--space-2) 0;
}

.api-sse-event-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-ink-50);
  font-size: 13px;
}

.api-sse-event-item:last-child { border-bottom: none; }

.api-sse-event-type {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-purple-600);
  min-width: 130px;
}

.api-sse-event-desc {
  color: var(--color-ink-500);
  flex: 1;
}

.api-sse-event-payload {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-400);
}

/* Sync response alternate tab */
.api-sync-label {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 3px;
  margin-bottom: 4px;
}

.api-sync-label.async { background: var(--color-action-100, #E2F0E9); color: var(--color-action-700, #356B50); }
.api-sync-label.sync { background: var(--color-purple-100); color: var(--color-purple-600); }

/* Mobile responsive */
@media (max-width: 768px) {
  .api-docs {
    grid-template-columns: 1fr;
  }

  .api-docs-nav {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-ink-100);
    display: flex;
    overflow-x: auto;
    padding: var(--space-2);
    gap: var(--space-1);
  }

  .api-docs-nav-section {
    display: flex;
    gap: var(--space-1);
    padding: 0;
    margin: 0;
  }

  .api-docs-nav-heading { display: none; }

  .api-docs-nav-link {
    white-space: nowrap;
    padding: 4px 8px;
    font-size: 12px;
  }

  .api-docs-nav-link.sub { display: none; }

  .api-docs-content {
    height: auto;
    padding: var(--space-4);
  }

  .api-endpoint-header {
    flex-wrap: wrap;
  }

  .api-playground-row {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ==========================================================================
   Dark mode overrides
   ========================================================================== */

[data-theme="dark"] .api-docs-nav {
  background: var(--color-white);
  border-right-color: var(--color-ink-100);
}

[data-theme="dark"] .api-endpoint-block,
[data-theme="dark"] .api-type-def {
  background: var(--color-white);
  border-color: var(--color-ink-100);
}

/* Code blocks — light variant follows surface tokens; .dark stays terminal-dark */
[data-theme="dark"] .api-code-block:not(.dark) {
  background: var(--color-ink-50);
  border-color: var(--color-ink-100);
}

[data-theme="dark"] .api-code-block:not(.dark) code {
  color: var(--color-ink-700);
}

[data-theme="dark"] .api-code-block:not(.dark) .api-code-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: var(--color-ink-100);
}

/* .dark / playground: intentionally use --color-code-* (never invert) */
[data-theme="dark"] .api-code-block.dark {
  background: var(--color-code-bg, #16130E);
  border-color: var(--color-code-border, #3D3730);
}

[data-theme="dark"] .api-code-block.dark code {
  color: var(--color-code-text, #CFC9C2);
}

/* Code header on light blocks */
[data-theme="dark"] .api-code-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: var(--color-ink-100);
}

/* Playground result panel: terminal surface via --color-code-* */
[data-theme="dark"] .api-playground-result pre {
  background: var(--color-code-bg, #16130E);
  color: var(--color-code-text, #CFC9C2);
  border-color: var(--color-code-border, #3D3730);
}

[data-theme="dark"] .api-playground-row input {
  background: var(--color-white);
  border-color: var(--color-ink-200);
  color: var(--text-primary);
}

/* Method badges — semantic backgrounds invert through color tokens */
[data-theme="dark"] .api-method-badge.post,
[data-theme="dark"] .api-tier-badge.write,
[data-theme="dark"] .api-status-badge.s3xx,
[data-theme="dark"] .api-sync-label.async {
  background: var(--color-action-soft);
  color: var(--color-action);
}

[data-theme="dark"] .api-docs-cta {
  background: var(--color-action-soft);
  border-color: var(--color-ink-100);
}