/*
 * Koder Design — base layout
 *
 * AAA contrast palette, light + dark via [data-theme]. Per-spec content
 * (preset previews) lives in presets.css and is loaded only on style
 * pages so other kinds stay lean.
 */

:root {
  --kdr-bg: #ffffff;
  --kdr-surface: #f5f5f7;
  --kdr-surface-2: #eaeaee;
  --kdr-text: #161616;
  --kdr-text-muted: #4b4b4b;
  --kdr-accent: #1f3a93;
  --kdr-accent-on: #ffffff;
  --kdr-border: #d4d4d9;
  --kdr-focus: #0f3bd6;
  --kdr-radius-sm: 6px;
  --kdr-radius-md: 10px;
  --kdr-radius-lg: 16px;
  --kdr-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.06);
  --kdr-fs-base: 16px;
  font-size: var(--kdr-fs-base);
}

[data-theme="dark"] {
  --kdr-bg: #0d0f12;
  --kdr-surface: #14171c;
  --kdr-surface-2: #1c2027;
  --kdr-text: #f1f1f4;
  --kdr-text-muted: #b9bcc4;
  --kdr-accent: #8ab4ff;
  --kdr-accent-on: #0d0f12;
  --kdr-border: #2a2f37;
  --kdr-focus: #b8d1ff;
  --kdr-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  line-height: 1.5;
}

a {
  color: var(--kdr-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid var(--kdr-focus);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Top nav ─────────────────────────────────────────────── */

.topnav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: var(--kdr-surface);
  border-bottom: 1px solid var(--kdr-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topnav .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
  color: var(--kdr-text);
}

.topnav .brand-mark {
  display: inline-block;
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.topnav .primary {
  display: flex;
  gap: 18px;
  margin-left: 8px;
}

.topnav .primary a {
  text-decoration: none;
  color: var(--kdr-text);
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
}

.topnav .primary a:hover {
  border-bottom-color: var(--kdr-accent);
}

.topnav .primary a.muted {
  color: var(--kdr-text-muted);
}

.topnav .controls {
  margin-left: auto;
  display: flex;
  gap: 12px;
  align-items: center;
}

.topnav select {
  appearance: auto;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 6px 8px;
  font: inherit;
}

.theme-toggle {
  width: 34px; height: 34px;
  border: 1px solid var(--kdr-border);
  border-radius: 999px;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  font-size: 18px;
  cursor: pointer;
}

.theme-toggle:hover { background: var(--kdr-surface-2); }

/* ── Page shell ──────────────────────────────────────────── */

main.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 28px 64px;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 18px;
  color: var(--kdr-text-muted);
  max-width: 720px;
  margin: 0 0 16px;
}

.cta {
  display: inline-block;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  padding: 10px 18px;
  border-radius: var(--kdr-radius-md);
  text-decoration: none;
  font-weight: 600;
}

.cta:focus-visible {
  outline-color: var(--kdr-focus);
}

.kinds h2 { margin-top: 48px; }

.kind-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}

.kind-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--kdr-surface);
  padding: 10px 14px;
  border-radius: var(--kdr-radius-sm);
  border: 1px solid var(--kdr-border);
}

.pill {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--kdr-surface-2);
  color: var(--kdr-text);
  text-transform: lowercase;
  font-weight: 600;
}

.pill-ui-style { background: #1f3a93; color: #fff; }
.pill-pattern  { background: #2e7d32; color: #fff; }
.pill-icon     { background: #ad1457; color: #fff; }
.pill-theme    { background: #6a1b9a; color: #fff; }
.pill-voice    { background: #ef6c00; color: #fff; }
.pill-spec-doc { background: #455a64; color: #fff; }
.pill-app-layout { background: #00695c; color: #fff; }

.spec-name { color: var(--kdr-text-muted); }

.breadcrumb {
  font-size: 14px;
  color: var(--kdr-text-muted);
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.breadcrumb a {
  color: var(--kdr-accent);
  text-decoration: none;
}

/* ── Style index grid ────────────────────────────────────── */

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 18px;
  margin: 16px 0 32px;
}

.preset-card {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.preset-card-head {
  padding: 12px 16px;
  background: var(--kdr-surface-2);
  border-bottom: 1px solid var(--kdr-border);
}

.preset-card-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.preset-card-head h3 a {
  color: var(--kdr-text);
  text-decoration: none;
}

.preset-card-head h3 a:hover {
  text-decoration: underline;
}

.preset-meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--kdr-text-muted);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.badge-default {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.preset-switcher {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.preset-switcher select {
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 6px 10px;
  font: inherit;
  min-width: 220px;
}

.spec-summary {
  background: var(--kdr-surface);
  border-left: 3px solid var(--kdr-accent);
  padding: 10px 14px;
  margin: 12px 0;
  color: var(--kdr-text-muted);
}

/* ── Component samples ───────────────────────────────────── */

.components-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  width: 100%;
  max-width: 720px;
}

.components-card {
  background: var(--bg, #fff);
  border-radius: var(--radius-md, 8px);
  padding: 14px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--on-surface, #111);
}

.components-card h4 {
  margin: 0 0 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface, #111);
}

.components-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.dialog-sample {
  background: var(--surface-variant, #f0f0f5);
  padding: 12px;
  border-radius: var(--radius-sm, 6px);
}

/* ── Theme detail page ───────────────────────────────────── */

.theme-token-grid {
  display: grid;
  grid-template-columns: minmax(160px, max-content) 1fr 1fr 2fr;
  gap: 0;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
  margin: 16px 0 32px;
  background: var(--kdr-surface);
}

.theme-token-row {
  display: contents;
}

.theme-token-row > * {
  padding: 10px 14px;
  border-bottom: 1px solid var(--kdr-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-token-grid > .theme-token-row:last-of-type > * {
  border-bottom: 0;
}

.theme-token-head > * {
  background: var(--kdr-surface-2);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.theme-token-row > code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  width: fit-content;
}

.swatch {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
}

.swatch-chip {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  flex: none;
}

.theme-rules,
.theme-audit {
  margin: 8px 0 24px;
  padding-left: 24px;
  line-height: 1.6;
}

.theme-rules li,
.theme-audit li {
  margin-bottom: 8px;
}

main.page pre {
  background: var(--kdr-surface);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.55;
  margin: 8px 0 24px;
}

main.page pre code {
  font: inherit;
  color: inherit;
  background: transparent;
  padding: 0;
}

/* ── Component index + detail ────────────────────────────── */

.component-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin: 16px 0 32px;
}

.component-tile {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.component-tile-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.component-tile h3 {
  font-size: 15px;
  margin: 0;
  font-weight: 600;
}

.component-tile h3 a {
  color: var(--kdr-text);
  text-decoration: none;
}

.component-tile h3 a:hover {
  text-decoration: underline;
}

.component-tile-spec {
  font-size: 12px;
  color: var(--kdr-text-muted);
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.component-tile-spec a {
  color: var(--kdr-accent);
  text-decoration: none;
}

.component-tile-group {
  background: var(--kdr-surface-2);
  padding: 1px 6px;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 10px;
  color: var(--kdr-text);
}

.component-tile-desc {
  font-size: 14px;
  color: var(--kdr-text-muted);
  margin: 0;
  line-height: 1.5;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-ratified   { background: #155724; color: #ffffff; }
.badge-documented { background: #1f3a93; color: #ffffff; }
.badge-proposed   { background: #5d4037; color: #ffffff; }

[data-theme="dark"] .badge-ratified   { background: #2e7d32; color: #ffffff; }
[data-theme="dark"] .badge-documented { background: #5b6dd0; color: #ffffff; }
[data-theme="dark"] .badge-proposed   { background: #8d6e63; color: #ffffff; }

.component-legend {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 12px 18px;
  margin: 8px 0 24px;
  align-items: baseline;
}

.component-legend dt { margin: 0; }
.component-legend dd { margin: 0; color: var(--kdr-text-muted); }

.component-availability {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 8px 0 24px;
}

.component-availability dt {
  margin: 0;
  font-weight: 600;
}

.component-availability dd {
  margin: 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.related-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}

.related-list li {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 8px 12px;
  font-size: 14px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.related-list li a {
  color: var(--kdr-accent);
  text-decoration: none;
  font-weight: 500;
}

.related-list small {
  color: var(--kdr-text-muted);
}

/* ── Component demo mocks ────────────────────────────────── */

.demo-card {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 24px;
  width: min(620px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--kdr-text);
}

.demo-caption {
  font-size: 13px;
  color: var(--kdr-text-muted);
  margin: 0;
  text-align: center;
  max-width: 540px;
}

/* auth-button demo */
.auth-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 15px;
}

.auth-button-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--kdr-accent-on);
  color: var(--kdr-accent);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
}

/* title-bar demo */
.demo-window {
  width: 100%;
}

.demo-titlebar {
  display: flex;
  align-items: center;
  background: var(--kdr-surface-2);
  border: 1px solid var(--kdr-border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 8px 12px;
  font-size: 13px;
}

.demo-titlebar-title {
  font-weight: 600;
}

.demo-titlebar-free {
  flex: 1;
  height: 24px;
  margin: 0 12px;
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(0,0,0,0.06) 6px 8px);
  border-radius: 4px;
}

[data-theme="dark"] .demo-titlebar-free {
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(255,255,255,0.08) 6px 8px);
}

.demo-window-buttons { display: flex; gap: 6px; }
.demo-window-buttons .wb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 4px;
  background: var(--kdr-bg);
  border: 1px solid var(--kdr-border);
  font-size: 12px;
}

.demo-window-body {
  background: var(--kdr-bg);
  border: 1px solid var(--kdr-border);
  border-radius: 0 0 8px 8px;
  padding: 16px;
  width: 100%;
  font-size: 14px;
  color: var(--kdr-text-muted);
}

/* safe-scaffold demo */
.demo-phone {
  width: 220px;
  height: 360px;
  background: var(--kdr-bg);
  border: 2px solid var(--kdr-border);
  border-radius: 28px;
  padding: 6px 10px;
  display: grid;
  grid-template-rows: 28px 1fr 24px;
}

.demo-status,
.demo-gestures {
  background: var(--kdr-surface-2);
  border-radius: 6px;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kdr-text-muted);
}

.demo-app {
  background: var(--kdr-surface);
  margin: 4px 0;
  border-radius: 12px;
  padding: 14px;
  border: 1px dashed var(--kdr-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-app-content {
  font-size: 13px;
  color: var(--kdr-text);
  text-align: center;
}

/* back-scope demo */
.demo-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-stack-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.demo-stack-label {
  background: var(--kdr-surface-2);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 14px;
  border: 1px solid var(--kdr-border);
}

.demo-stack-active {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border-color: var(--kdr-accent);
}

.demo-stack-arrow {
  color: var(--kdr-text-muted);
}

.demo-stack-key {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--kdr-text-muted);
}

kbd {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  border: 1px solid var(--kdr-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
}

/* error-banner demo */
.demo-error {
  width: 100%;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  background: #fff4f4;
  border: 1px solid #d63838;
  border-radius: var(--kdr-radius-md);
  padding: 12px 14px;
  color: #2a0606;
}

[data-theme="dark"] .demo-error {
  background: #3a1414;
  color: #ffe7e7;
  border-color: #ff6b6b;
}

.demo-error-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #d63838;
  color: #ffffff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.demo-error p {
  margin: 4px 0;
  font-size: 14px;
}

.demo-error small {
  color: inherit;
}

/* theme-toggle demo */
.demo-toggle-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.demo-toggle-pane {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--kdr-radius-md);
  border: 1px solid var(--kdr-border);
  font-size: 14px;
}

.demo-toggle-light {
  background: #ffffff;
  color: #161616;
}

.demo-toggle-dark {
  background: #0d0f12;
  color: #f1f1f4;
  border-color: #2a2f37;
}

.demo-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border: none;
  font-size: 18px;
  cursor: pointer;
}

/* ── Component demos: 2.2-bis batch ──────────────────────── */

/* user-badge */
.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: 999px;
  padding: 4px 14px 4px 4px;
  color: var(--kdr-text);
}

.user-badge-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  font-weight: 700;
}

.user-badge-name {
  font-weight: 500;
}

.user-badge-arrow {
  color: var(--kdr-text-muted);
  font-size: 12px;
}

/* auth-gate */
.auth-gate {
  width: 100%;
  max-width: 420px;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 28px 24px;
  text-align: center;
}

.auth-gate-lock {
  display: inline-block;
  font-size: 32px;
  margin-bottom: 8px;
}

.auth-gate h4 {
  margin: 6px 0 4px;
  font-size: 18px;
}

.auth-gate p {
  color: var(--kdr-text-muted);
  margin: 0 0 20px;
  font-size: 14px;
}

.auth-gate .auth-button {
  margin: 0 auto;
}

/* settings-tile shared by reporter, voice, settings */
.settings-tile {
  width: 100%;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
}

.settings-tile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--kdr-border);
}

.settings-tile-row:last-child {
  border-bottom: 0;
}

.settings-tile-row > div {
  flex: 1;
}

.settings-tile-row strong {
  display: block;
  font-size: 14px;
  color: var(--kdr-text);
}

.settings-tile-row p {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--kdr-text-muted);
  line-height: 1.4;
}

.settings-tile-row select {
  background: var(--kdr-bg);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 4px 8px;
  font: inherit;
  color: var(--kdr-text);
}

.settings-tile-row-disabled {
  opacity: 0.55;
}

.switch {
  display: inline-flex;
  align-items: center;
  width: 40px;
  height: 22px;
  background: var(--kdr-surface-2);
  border: 1px solid var(--kdr-border);
  border-radius: 999px;
  padding: 1px;
  flex: none;
}

.switch-thumb {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: var(--kdr-bg);
  border-radius: 999px;
  border: 1px solid var(--kdr-border);
  transition: transform 120ms;
}

.switch-on .switch-thumb {
  transform: translateX(18px);
}

.switch-on {
  background: var(--kdr-accent);
  border-color: var(--kdr-accent);
}

.switch-on .switch-thumb {
  background: var(--kdr-accent-on);
  border-color: var(--kdr-accent-on);
}

/* reporter button */
.report-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--kdr-surface);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  font: inherit;
  cursor: pointer;
}

.report-button:hover {
  background: var(--kdr-surface-2);
}

/* update-banner */
.update-banner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--kdr-surface-2);
  border-left: 4px solid var(--kdr-accent);
  border-radius: var(--kdr-radius-md);
  padding: 12px 16px;
}

.update-banner strong {
  display: block;
  font-size: 14px;
}

.update-banner p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--kdr-text-muted);
}

.btn-update {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border: none;
  border-radius: var(--kdr-radius-sm);
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

/* l10n switcher pillgroup */
.l10n-pillgroup {
  display: inline-flex;
  background: var(--kdr-surface-2);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}

.l10n-pill {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--kdr-text);
  background: transparent;
}

.l10n-pill-active {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  font-weight: 600;
}

/* ui-style mini grid */
.ui-style-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 400px;
}

.ui-style-mini {
  display: flex;
  flex-direction: column;
  background: var(--kdr-surface);
  border: 2px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 10px;
  gap: 8px;
}

.ui-style-mini-active {
  border-color: var(--kdr-accent);
}

.ui-style-mini-bar {
  display: block;
  width: 100%;
  height: 28px;
  border-radius: var(--kdr-radius-sm);
}

.ui-style-mini-name {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--kdr-text-muted);
}

/* cache-purge dialog */
.cache-purge-dialog {
  width: 100%;
  max-width: 420px;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 18px;
  box-shadow: var(--kdr-shadow-1);
}

.cache-purge-dialog h4 {
  margin: 0 0 12px;
  font-size: 16px;
}

.cache-purge-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  font-size: 14px;
}

.cache-purge-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  color: var(--kdr-text);
}

.cache-purge-list small {
  margin-left: auto;
  color: var(--kdr-text-muted);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
}

.cache-purge-dialog .actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.cache-purge-dialog .btn-secondary,
.cache-purge-dialog .btn-primary {
  border-radius: var(--kdr-radius-sm);
  padding: 6px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--kdr-border);
}

.cache-purge-dialog .btn-secondary {
  background: var(--kdr-surface);
  color: var(--kdr-text);
}

.cache-purge-dialog .btn-primary {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border-color: var(--kdr-accent);
}

/* download-button */
.download-button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border-radius: var(--kdr-radius-md);
  padding: 14px 20px;
  text-decoration: none;
}

.download-icon {
  font-size: 28px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--kdr-accent-on);
  color: var(--kdr-accent);
}

.download-button strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.download-button small {
  font-size: 12px;
  opacity: 0.85;
}

/* ── Pattern index + detail ──────────────────────────────── */

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin: 16px 0 32px;
}

.pattern-tile {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pattern-tile-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.pattern-tile h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.pattern-tile h3 a {
  color: var(--kdr-text);
  text-decoration: none;
}

.pattern-tile h3 a:hover {
  text-decoration: underline;
}

.pattern-tile-spec {
  font-size: 12px;
  color: var(--kdr-text-muted);
  margin: 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pattern-tile-summary {
  font-size: 14px;
  color: var(--kdr-text-muted);
  margin: 0;
  line-height: 1.5;
}

.badge-pattern-errors    { background: #c0392b; color: #ffffff; }
.badge-pattern-i18n      { background: #16a085; color: #ffffff; }
.badge-pattern-navigation { background: #2980b9; color: #ffffff; }
.badge-pattern-identity  { background: #8e44ad; color: #ffffff; }

[data-theme="dark"] .badge-pattern-errors    { background: #e74c3c; }
[data-theme="dark"] .badge-pattern-i18n      { background: #1abc9c; }
[data-theme="dark"] .badge-pattern-navigation { background: #3498db; }
[data-theme="dark"] .badge-pattern-identity  { background: #9b59b6; }

.pattern-triggers {
  list-style: none;
  padding: 0;
  margin: 8px 0 24px;
  display: grid;
  gap: 6px;
}

.pattern-triggers li {
  background: var(--kdr-surface);
  border-left: 3px solid var(--kdr-accent);
  padding: 8px 12px;
  border-radius: 0 var(--kdr-radius-sm) var(--kdr-radius-sm) 0;
  font-size: 14px;
}

.pattern-body {
  margin: 8px 0 24px;
  line-height: 1.65;
  color: var(--kdr-text);
}

.pattern-body h2 {
  font-size: 22px;
  margin: 36px 0 12px;
  border-bottom: 1px solid var(--kdr-border);
  padding-bottom: 6px;
}

.pattern-body h3 {
  font-size: 17px;
  margin: 28px 0 8px;
}

.pattern-body h4 {
  font-size: 15px;
  margin: 20px 0 8px;
  color: var(--kdr-text-muted);
}

.pattern-body p {
  margin: 0 0 14px;
}

.pattern-body ul,
.pattern-body ol {
  margin: 0 0 14px;
  padding-left: 24px;
}

.pattern-body li {
  margin: 4px 0;
}

.pattern-body code {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: 3px;
  padding: 1px 6px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.9em;
}

.pattern-body pre {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.55;
  margin: 8px 0 18px;
}

.pattern-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

.pattern-body blockquote {
  border-left: 4px solid var(--kdr-accent);
  background: var(--kdr-surface);
  margin: 12px 0;
  padding: 8px 14px;
  color: var(--kdr-text-muted);
}

.pattern-body table {
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
  width: 100%;
}

.pattern-body th,
.pattern-body td {
  border: 1px solid var(--kdr-border);
  padding: 8px 12px;
  text-align: left;
}

.pattern-body th {
  background: var(--kdr-surface-2);
  font-weight: 600;
}

.pattern-refs {
  list-style: none;
  padding: 0;
  margin: 8px 0 24px;
  display: grid;
  gap: 6px;
}

.pattern-refs li {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 6px 12px;
  font-size: 14px;
}

/* ── Flows ───────────────────────────────────────────────── */

.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin: 16px 0 32px;
}

.flow-tile {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flow-tile-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.flow-tile h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.flow-tile h3 a {
  color: var(--kdr-text);
  text-decoration: none;
}

.flow-tile h3 a:hover {
  text-decoration: underline;
}

.flow-tile-meta {
  font-size: 12px;
  color: var(--kdr-text-muted);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.flow-tile-meta a {
  color: var(--kdr-accent);
  text-decoration: none;
}

.badge-flow-onboarding { background: #1f3a93; color: #ffffff; }
.badge-flow-auth        { background: #2980b9; color: #ffffff; }
.badge-flow-update      { background: #16a085; color: #ffffff; }
.badge-flow-errors      { background: #c0392b; color: #ffffff; }
.badge-flow-nav         { background: #6a1b9a; color: #ffffff; }
.badge-flow-voice       { background: #ef6c00; color: #ffffff; }
.badge-flow-i18n        { background: #00695c; color: #ffffff; }
.badge-flow-layout      { background: #455a64; color: #ffffff; }

[data-theme="dark"] .badge-flow-onboarding { background: #5b6dd0; }
[data-theme="dark"] .badge-flow-auth        { background: #3498db; }
[data-theme="dark"] .badge-flow-update      { background: #1abc9c; }
[data-theme="dark"] .badge-flow-errors      { background: #e74c3c; }
[data-theme="dark"] .badge-flow-nav         { background: #9b59b6; }
[data-theme="dark"] .badge-flow-voice       { background: #ff9800; }
[data-theme="dark"] .badge-flow-i18n        { background: #26a69a; }
[data-theme="dark"] .badge-flow-layout      { background: #78909c; }

/* Step diagram */
.flow-steps {
  list-style: none;
  padding: 0;
  margin: 16px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.flow-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  position: relative;
  padding-bottom: 12px;
}

.flow-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  font-weight: 700;
  font-size: 18px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  flex: none;
}

.flow-step-body {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
}

.flow-step-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.flow-step-head h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.flow-step-body p {
  margin: 4px 0;
  color: var(--kdr-text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.flow-step-spec {
  margin-top: 6px !important;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px !important;
}

.flow-step-spec a {
  color: var(--kdr-accent);
  text-decoration: none;
}

.flow-step-arrow {
  grid-column: 1;
  width: 48px;
  text-align: center;
  font-size: 22px;
  color: var(--kdr-text-muted);
  line-height: 1;
  padding: 4px 0;
}

.actor {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.actor-user   { background: #1f3a93; color: #ffffff; }
.actor-app    { background: #155724; color: #ffffff; }
.actor-sdk    { background: #5d4037; color: #ffffff; }
.actor-server { background: #4527a0; color: #ffffff; }

[data-theme="dark"] .actor-user   { background: #5b6dd0; }
[data-theme="dark"] .actor-app    { background: #2e7d32; }
[data-theme="dark"] .actor-sdk    { background: #8d6e63; }
[data-theme="dark"] .actor-server { background: #7e57c2; }

.flow-pitfalls {
  list-style: none;
  padding: 0;
  margin: 8px 0 24px;
  display: grid;
  gap: 8px;
}

.flow-pitfalls li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  background: var(--kdr-surface);
  border-left: 3px solid #c0392b;
  border-radius: 0 var(--kdr-radius-sm) var(--kdr-radius-sm) 0;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.5;
}

[data-theme="dark"] .flow-pitfalls li {
  border-left-color: #e74c3c;
}

.pit-mark {
  color: #c0392b;
  font-size: 18px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .pit-mark { color: #ff8a80; }

/* ── Anti-patterns ───────────────────────────────────────── */

.anti-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 16px 0 8px;
  font-size: 13px;
}

.anti-toc a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  text-decoration: none;
  color: var(--kdr-text);
  background: var(--kdr-surface);
}

.anti-toc a:hover {
  background: var(--kdr-surface-2);
}

.anti-list {
  display: grid;
  gap: 28px;
  margin: 24px 0 32px;
}

.anti-card {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 18px 20px;
  scroll-margin-top: 80px; /* compensate sticky topnav for anchor scroll */
}

.anti-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.anti-card-head h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.anti-card-spec {
  margin: 4px 0 12px;
  font-size: 12px;
  color: var(--kdr-text-muted);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.anti-card-spec a {
  color: var(--kdr-accent);
  text-decoration: none;
}

.badge-anti-desktop  { background: #6a1b9a; color: #ffffff; }
.badge-anti-i18n     { background: #00695c; color: #ffffff; }
.badge-anti-errors   { background: #c0392b; color: #ffffff; }
.badge-anti-layout   { background: #455a64; color: #ffffff; }
.badge-anti-auth     { background: #2980b9; color: #ffffff; }
.badge-anti-theme    { background: #ad1457; color: #ffffff; }
.badge-anti-nav      { background: #1f3a93; color: #ffffff; }
.badge-anti-voice    { background: #ef6c00; color: #ffffff; }
.badge-anti-url      { background: #5d4037; color: #ffffff; }
.badge-anti-storage  { background: #4527a0; color: #ffffff; }

[data-theme="dark"] .badge-anti-desktop  { background: #9b59b6; }
[data-theme="dark"] .badge-anti-i18n     { background: #26a69a; }
[data-theme="dark"] .badge-anti-errors   { background: #e74c3c; }
[data-theme="dark"] .badge-anti-layout   { background: #78909c; }
[data-theme="dark"] .badge-anti-auth     { background: #3498db; }
[data-theme="dark"] .badge-anti-theme    { background: #ec407a; }
[data-theme="dark"] .badge-anti-nav      { background: #5b6dd0; }
[data-theme="dark"] .badge-anti-voice    { background: #ff9800; }
[data-theme="dark"] .badge-anti-url      { background: #8d6e63; }
[data-theme="dark"] .badge-anti-storage  { background: #7e57c2; }

.anti-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 8px 0 16px;
}

@media (max-width: 760px) {
  .anti-pair { grid-template-columns: 1fr; }
}

.anti-side {
  display: flex;
  flex-direction: column;
}

.anti-side-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
}

.anti-side-head small {
  color: var(--kdr-text-muted);
  font-size: 12px;
  margin-left: 4px;
}

.anti-bad .anti-side-head { color: #c0392b; }
.anti-good .anti-side-head { color: #155724; }

[data-theme="dark"] .anti-bad .anti-side-head { color: #ff8a80; }
[data-theme="dark"] .anti-good .anti-side-head { color: #69f0ae; }

.anti-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.anti-mark-bad {
  background: #c0392b;
  color: #ffffff;
}

.anti-mark-good {
  background: #155724;
  color: #ffffff;
}

[data-theme="dark"] .anti-mark-bad { background: #e74c3c; }
[data-theme="dark"] .anti-mark-good { background: #2e7d32; }

.anti-code {
  margin: 0;
  background: var(--kdr-surface-2);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 12px 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
  color: var(--kdr-text);
  flex: 1;
}

.anti-bad .anti-code {
  border-left: 3px solid #c0392b;
}

.anti-good .anti-code {
  border-left: 3px solid #155724;
}

[data-theme="dark"] .anti-bad .anti-code  { border-left-color: #e74c3c; }
[data-theme="dark"] .anti-good .anti-code { border-left-color: #2e7d32; }

.anti-why {
  margin: 4px 0 0;
  padding: 12px 14px;
  background: var(--kdr-surface-2);
  border-radius: var(--kdr-radius-sm);
  font-size: 14px;
  line-height: 1.55;
}

.anti-why strong {
  margin-right: 6px;
  color: var(--kdr-accent);
}

/* ── Icons ───────────────────────────────────────────────── */

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 16px 0 32px;
}

.icon-tile {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
  transition: border-color 100ms;
}

.icon-tile:hover { border-color: var(--kdr-accent); }

.icon-tile-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--kdr-text);
}

.icon-tile-canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--kdr-surface-2), var(--kdr-surface));
  height: 160px;
  padding: 16px;
}

.icon-tile-canvas svg {
  width: auto;
  height: 100px;
  max-width: 100%;
}

.icon-tile-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px 4px;
}

.icon-tile-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.icon-tile-tag {
  margin: 0 14px 14px;
  font-size: 13px;
  color: var(--kdr-text-muted);
  line-height: 1.5;
}

.badge-icon-dev        { background: #1f3a93; color: #ffffff; }
.badge-icon-horizontal { background: #16a085; color: #ffffff; }
.badge-icon-vertical   { background: #ad1457; color: #ffffff; }

[data-theme="dark"] .badge-icon-dev        { background: #5b6dd0; }
[data-theme="dark"] .badge-icon-horizontal { background: #1abc9c; }
[data-theme="dark"] .badge-icon-vertical   { background: #ec407a; }

.icon-placeholder {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 14px;
  color: var(--kdr-text-muted);
  letter-spacing: 0.04em;
}

.icon-master-stage {
  background: linear-gradient(180deg, var(--kdr-surface-2), var(--kdr-surface));
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 8px 0 12px;
  min-height: 280px;
}

.icon-master-stage svg {
  width: auto;
  height: 240px;
  max-width: 100%;
}

.icon-master-caption {
  color: var(--kdr-text-muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.icon-matrix {
  display: grid;
  grid-template-columns: minmax(160px, max-content) max-content 1fr;
  gap: 0;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
  margin: 12px 0 16px;
  background: var(--kdr-surface);
}

.icon-matrix-row { display: contents; }

.icon-matrix-row > * {
  padding: 10px 14px;
  border-bottom: 1px solid var(--kdr-border);
  display: flex;
  align-items: center;
}

.icon-matrix-row:last-of-type > * { border-bottom: 0; }

.icon-matrix-head > * {
  background: var(--kdr-surface-2);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.icon-matrix-row code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 2px 6px;
  border-radius: 4px;
}

.icon-matrix-cmd {
  display: inline-flex;
  gap: 8px;
  align-items: baseline;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 8px 14px;
  margin: 8px 0 24px;
  font-size: 14px;
}

.icon-matrix-cmd code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ── Voice page ──────────────────────────────────────────── */

.voice-toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin: 12px 0 28px;
}

.voice-toggle-card {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
}

.voice-toggle-card-conditional { border-left: 3px solid var(--kdr-accent); }
.voice-toggle-card-off         { border-left: 3px solid var(--kdr-text-muted); }

.voice-toggle-card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.voice-toggle-card code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}

.voice-toggle-default {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.voice-toggle-default-off         { background: var(--kdr-surface-2); color: var(--kdr-text-muted); }
.voice-toggle-default-conditional { background: var(--kdr-accent); color: var(--kdr-accent-on); }

.voice-toggle-card p {
  margin: 0;
  font-size: 14px;
  color: var(--kdr-text-muted);
  line-height: 1.5;
}

.voice-callout {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-left: 4px solid var(--kdr-accent);
  border-radius: var(--kdr-radius-md);
  padding: 14px 18px;
  margin: 12px 0 24px;
}

.voice-callout-privacy { border-left-color: #155724; }
[data-theme="dark"] .voice-callout-privacy { border-left-color: #2e7d32; }

.voice-callout header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 14px;
}

.voice-callout p { margin: 0 0 8px; }

.voice-callout ul {
  margin: 0;
  padding-left: 22px;
  color: var(--kdr-text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.voice-phrase {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 18px 22px;
  margin: 12px 0 8px;
  font-size: 16px;
}

.voice-phrase-prompt {
  font-size: 22px;
}

.voice-phrase-text {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.voice-phrase-arrow {
  color: var(--kdr-text-muted);
}

.voice-phrase-result {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

.voice-errors {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  overflow: hidden;
  margin: 12px 0 24px;
  background: var(--kdr-surface);
}

.voice-errors-row { display: contents; }

.voice-errors-row > * {
  padding: 10px 14px;
  border-bottom: 1px solid var(--kdr-border);
  display: flex;
  align-items: center;
}

.voice-errors-row:last-of-type > * { border-bottom: 0; }

.voice-errors-head > * {
  background: var(--kdr-surface-2);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.voice-errors-row code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}

/* ── A11y page ───────────────────────────────────────────── */

.a11y-badge {
  display: inline-block;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-right: 8px;
}

.a11y-focus-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 12px 0 8px;
  padding: 18px;
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
}

.a11y-focus-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.a11y-element-tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  background: var(--kdr-surface-2);
  color: var(--kdr-text-muted);
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: lowercase;
}

.a11y-demo-ctrl {
  font: inherit;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 6px 12px;
  cursor: pointer;
}

.a11y-demo-ctrl:focus-visible {
  outline: 3px solid var(--kdr-focus);
  outline-offset: 2px;
}

button.a11y-demo-ctrl {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border-color: var(--kdr-accent);
}

a.a11y-demo-ctrl {
  color: var(--kdr-accent);
  text-decoration: underline;
}

.a11y-demo-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.a11y-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 12px 0 8px;
}

.a11y-swatch {
  border-radius: var(--kdr-radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--kdr-border);
}

.a11y-swatch-sample {
  font-size: 18px;
  font-weight: 600;
}

.a11y-swatch-label {
  font-size: 13px;
  opacity: 0.85;
}

.a11y-swatch-vars {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  opacity: 0.85;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.a11y-swatch-vars code {
  background: rgba(0, 0, 0, 0.15);
  padding: 1px 6px;
  border-radius: 3px;
}

.a11y-hc-demo {
  background: #ffffff;
  color: #000000;
  border: 3px solid #000000;
  border-radius: var(--kdr-radius-md);
  padding: 18px 20px;
  margin: 12px 0 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

[data-theme="dark"] .a11y-hc-demo {
  background: #000000;
  color: #ffffff;
  border-color: #ffffff;
}

.a11y-hc-demo .a11y-demo-ctrl {
  background: #000000;
  color: #ffffff;
  border: 2px solid #000000;
}

[data-theme="dark"] .a11y-hc-demo .a11y-demo-ctrl {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.a11y-hc-demo a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
}

.a11y-reader-demo {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 16px 20px;
  margin: 12px 0 8px;
}

.a11y-reader-outline {
  margin-bottom: 10px;
}

.a11y-reader-outline ol {
  margin: 0;
  padding-left: 24px;
  display: grid;
  gap: 4px;
}

.a11y-reader-outline a {
  color: var(--kdr-accent);
  text-decoration: none;
}

.a11y-reader-caption {
  margin: 4px 0 0;
  color: var(--kdr-text-muted);
  font-size: 13px;
}

/* ── Coverage scorecard ──────────────────────────────────── */

.coverage-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 16px 0 32px;
}

.coverage-stat {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  text-align: center;
}

.coverage-stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.coverage-stat-label {
  font-size: 12px;
  color: var(--kdr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.coverage-stat-done    { border-left: 3px solid #155724; }
.coverage-stat-partial { border-left: 3px solid #b8860b; }
.coverage-stat-todo    { border-left: 3px solid #c0392b; }
.coverage-stat-na      { border-left: 3px solid var(--kdr-text-muted); }
.coverage-stat-score   { border-left: 3px solid var(--kdr-accent); }

[data-theme="dark"] .coverage-stat-done    { border-left-color: #2e7d32; }
[data-theme="dark"] .coverage-stat-partial { border-left-color: #f9a825; }
[data-theme="dark"] .coverage-stat-todo    { border-left-color: #e74c3c; }

.coverage-matrix-wrap {
  overflow-x: auto;
  margin: 12px 0 16px;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
}

.coverage-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.coverage-matrix th,
.coverage-matrix td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--kdr-border);
}

.coverage-matrix thead th {
  background: var(--kdr-surface-2);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
}

.coverage-row-head {
  text-align: left !important;
  background: var(--kdr-surface);
  position: sticky;
  left: 0;
  z-index: 1;
}

.coverage-row-head a {
  color: var(--kdr-text);
  text-decoration: none;
  font-weight: 600;
}

.coverage-row-head a:hover {
  text-decoration: underline;
}

.coverage-group {
  display: block;
  font-size: 11px;
  color: var(--kdr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  margin-top: 2px;
}

.coverage-cell {
  font-weight: 700;
  font-size: 14px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  border-radius: 4px;
}

.coverage-cell-done    { color: #155724; background: #d4edda; }
.coverage-cell-partial { color: #856404; background: #fff3cd; }
.coverage-cell-todo    { color: #721c24; background: #f8d7da; }
.coverage-cell-na      { color: var(--kdr-text-muted); }

[data-theme="dark"] .coverage-cell-done    { color: #d4edda; background: #1b3b22; }
[data-theme="dark"] .coverage-cell-partial { color: #fff3cd; background: #4d3c08; }
[data-theme="dark"] .coverage-cell-todo    { color: #f8d7da; background: #4a1820; }

.coverage-legend {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 18px;
  margin: 8px 0 24px;
  align-items: baseline;
}

.coverage-legend dt { margin: 0; }
.coverage-legend dd { margin: 0; color: var(--kdr-text-muted); font-size: 14px; }

/* ── Playground ──────────────────────────────────────────── */

.playground-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 16px 0 32px;
}

@media (max-width: 760px) {
  .playground-grid { grid-template-columns: 1fr; }
}

.playground-editor {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}

.playground-editor label {
  font-weight: 600;
  margin-bottom: 8px;
}

.playground-editor textarea {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.55;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 10px 12px;
  resize: vertical;
  width: 100%;
  min-height: 240px;
}

#playground-status {
  margin: 8px 0 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  width: fit-content;
}

#playground-status[data-state="ok"]  { color: #155724; background: #d4edda; }
#playground-status[data-state="err"] { color: #721c24; background: #f8d7da; }

[data-theme="dark"] #playground-status[data-state="ok"]  { color: #d4edda; background: #1b3b22; }
[data-theme="dark"] #playground-status[data-state="err"] { color: #f8d7da; background: #4a1820; }

.playground-preview {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}

.playground-preview h3 {
  margin: 0 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kdr-text-muted);
}

.playground-stage {
  flex: 1;
  background: linear-gradient(180deg, var(--kdr-surface-2), var(--kdr-surface));
  border-radius: var(--kdr-radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.playground-card {
  background: var(--bg, #ffffff);
  color: var(--text, #161616);
  border-radius: var(--radius-md, 10px);
  padding: 22px;
  width: min(360px, 100%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.playground-card h4 { margin: 0 0 8px; font-size: 17px; }
.playground-card p  { margin: 0 0 16px; color: var(--text, #161616); opacity: 0.85; }

.playground-card .actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.playground-btn-primary {
  background: var(--accent, #1f3a93);
  color: var(--accent-on, #ffffff);
  border: none;
  border-radius: var(--radius-sm, 6px);
  padding: 8px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.playground-btn-secondary {
  background: var(--surface, #f5f5f7);
  color: var(--text, #161616);
  border: 1px solid var(--text, #161616);
  border-radius: var(--radius-sm, 6px);
  padding: 8px 16px;
  font: inherit;
  cursor: pointer;
}

/* ── Feedback widget (Sprint 7) ──────────────────────────── */

.koder-feedback {
  background: var(--kdr-surface);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  padding: 14px 18px;
  margin: 0 0 16px;
  max-width: 540px;
}

/* By default show the prompt; hide form + thanks until state advances. */
.koder-feedback .koder-feedback-form,
.koder-feedback .koder-feedback-thanks {
  display: none;
}

.koder-feedback[data-state="open"] .koder-feedback-prompt   { display: none; }
.koder-feedback[data-state="open"] .koder-feedback-form     { display: block; }
.koder-feedback[data-state="sent"] .koder-feedback-prompt   { display: none; }
.koder-feedback[data-state="sent"] .koder-feedback-form     { display: none; }
.koder-feedback[data-state="sent"] .koder-feedback-thanks   { display: block; }

.koder-feedback p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--kdr-text);
}

.koder-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.koder-feedback-btn,
.koder-feedback-btn-primary,
.koder-feedback-dismiss {
  font: inherit;
  font-size: 13px;
  border-radius: var(--kdr-radius-sm);
  padding: 6px 12px;
  cursor: pointer;
}

.koder-feedback-btn {
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.koder-feedback-btn:hover { background: var(--kdr-surface-2); }

.koder-feedback-btn-primary {
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border: 1px solid var(--kdr-accent);
  font-weight: 600;
}

.koder-feedback-dismiss {
  background: transparent;
  color: var(--kdr-text-muted);
  border: 1px solid transparent;
  text-decoration: underline;
}

.koder-feedback-dismiss:hover { color: var(--kdr-text); }

.koder-feedback label {
  display: block;
  font-size: 13px;
  color: var(--kdr-text-muted);
  margin-bottom: 6px;
}

.koder-feedback textarea {
  width: 100%;
  font: inherit;
  font-size: 13px;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 8px 10px;
  resize: vertical;
}

.koder-feedback-thanks {
  font-size: 14px;
  color: var(--kdr-text);
  margin: 0;
  padding: 4px 0;
}

/* ── Footer ──────────────────────────────────────────────── */

.page-footer {
  border-top: 1px solid var(--kdr-border);
  margin-top: 64px;
  padding: 24px 28px;
  font-size: 13px;
  color: var(--kdr-text-muted);
  background: var(--kdr-surface);
}

.page-footer code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--kdr-surface-2);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ── Version badge ────────────────────────────────────────── */

.version-badge {
  display: flex;
  align-items: center;
}

.version-pill {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--kdr-accent-on);
  background: var(--kdr-accent);
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
}

/* ── Migration guide ─────────────────────────────────────── */

.migrate-empty {
  color: var(--kdr-text-muted);
  font-style: italic;
}

.migrate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 12px 0 24px;
}

.migrate-table th,
.migrate-table td {
  padding: 8px 12px;
  border: 1px solid var(--kdr-border);
  text-align: left;
}

.migrate-table th {
  background: var(--kdr-surface-2);
  font-weight: 600;
}

.migrate-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.migrate-badge-added   { background: #14532d; color: #bbf7d0; }
.migrate-badge-removed { background: #7f1d1d; color: #fecaca; }
.migrate-badge-changed { background: #713f12; color: #fef9c3; }

[data-theme="light"] .migrate-badge-added   { background: #dcfce7; color: #166534; }
[data-theme="light"] .migrate-badge-removed { background: #fee2e2; color: #991b1b; }
[data-theme="light"] .migrate-badge-changed { background: #fef9c3; color: #854d0e; }

.migrate-steps {
  padding-left: 24px;
  display: grid;
  gap: 8px;
  margin: 8px 0 24px;
}

/* ── Feedback widget ─────────────────────────────────────── */

.koder-feedback {
  margin: 24px 0 16px;
  padding: 14px 18px;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-md);
  background: var(--kdr-surface-2);
  font-size: 14px;
}

/* hide form and thanks by default; JS drives visibility via data-state */
.koder-feedback[data-state="initial"] .koder-feedback-form,
.koder-feedback[data-state="initial"] .koder-feedback-thanks { display: none; }

.koder-feedback[data-state="open"] .koder-feedback-prompt { display: none; }
.koder-feedback[data-state="open"] .koder-feedback-thanks  { display: none; }

.koder-feedback[data-state="sent"] .koder-feedback-prompt { display: none; }
.koder-feedback[data-state="sent"] .koder-feedback-form   { display: none; }

.koder-feedback-prompt p {
  margin: 0 0 10px;
  font-weight: 500;
}

.koder-feedback-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.koder-feedback-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  background: var(--kdr-surface);
  color: var(--kdr-text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.koder-feedback-btn:hover {
  border-color: var(--kdr-accent);
  background: var(--kdr-surface-2);
}

.koder-feedback[data-verdict="up"]   [data-act="up"],
.koder-feedback[data-verdict="down"] [data-act="down"] {
  border-color: var(--kdr-accent);
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
}

.koder-feedback-dismiss {
  background: none;
  border: none;
  color: var(--kdr-text-muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 6px;
  margin-left: auto;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.koder-feedback-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.koder-feedback-form label {
  font-weight: 500;
}

.koder-feedback-form textarea {
  font: inherit;
  font-size: 13px;
  background: var(--kdr-bg);
  color: var(--kdr-text);
  border: 1px solid var(--kdr-border);
  border-radius: var(--kdr-radius-sm);
  padding: 8px 10px;
  resize: vertical;
  min-height: 80px;
}

.koder-feedback-btn-primary {
  padding: 7px 16px;
  background: var(--kdr-accent);
  color: var(--kdr-accent-on);
  border: none;
  border-radius: var(--kdr-radius-sm);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.koder-feedback-thanks {
  margin: 0;
  color: var(--kdr-text-muted);
  font-style: italic;
}

/* ── PDF print rules ─────────────────────────────────────── */

@media print {
  .topnav,
  .controls,
  .breadcrumb { display: none !important; }

  body { background: #fff; color: #000; }

  .page { max-width: none; padding: 0; }

  section { page-break-before: auto; }

  h1, h2 { page-break-after: avoid; }

  pre, table { page-break-inside: avoid; }

  a[href]::after { content: " (" attr(href) ")"; font-size: 10px; }
}