:root {
  color-scheme: light dark;
  --touch-control-right: max(14px, calc(env(safe-area-inset-right) + 12px));
  --bg: #f4f7fb;
  --paper: #ffffff;
  --ink: #102a43;
  --muted: #627d98;
  --line: #d9e2ec;
  --accent: #173f68;
  --accent-soft: #eaf2fa;
  --danger: #a83838;
  --shadow: 0 18px 50px rgba(16, 42, 67, 0.12);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151c;
    --paper: #18212b;
    --ink: #f1f5f9;
    --muted: #a9b8c8;
    --line: #334252;
    --accent: #8cc3f4;
    --accent-soft: #1d3347;
    --danger: #ff9b9b;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; min-height: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

.app-update-notice { padding: 12px 16px; margin: 0 0 16px; border-radius: 16px; background: var(--accent-soft); color: var(--ink); font-size: 14px; line-height: 1.4; }
body > .app-update-notice { position: fixed; z-index: 40; top: max(12px, env(safe-area-inset-top)); left: 12px; right: 12px; max-width: 520px; margin-inline: auto; box-shadow: var(--shadow); }
body:has(.settings-dialog[open]) > .app-update-notice { display: none; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
}

.schedule-shell {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(8px, 2vw, 24px);
}

.schedule-image {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - clamp(16px, 4vw, 48px));
  max-height: calc(100dvh - clamp(16px, 4vw, 48px));
  object-fit: contain;
  border-radius: clamp(10px, 1.6vw, 22px);
  box-shadow: var(--shadow);
  background: #fff;
}

.error-message {
  max-width: 32rem;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-align: center;
}

/* Touch images use the viewport; cover also opts desktop into edge-to-edge.
   Safe-area insets belong to controls, never to the artwork. */
html:is([data-device-mode="touch"], [data-image-fit="cover"]),
html:is([data-device-mode="touch"], [data-image-fit="cover"]) body {
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
}

html:is([data-device-mode="touch"], [data-image-fit="cover"]) .schedule-shell {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

@media all and (display-mode: standalone) {
  :root {
    --touch-control-right: 14px;
  }
}

html[data-display-mode="standalone"] {
  --touch-control-right: 14px;
}

/* WebKit subtracts the safe area from dynamic viewport units in installed
   apps even when viewport-fit=cover extends the page behind system chrome.
   In standalone mode, 100vh includes that area and reaches both screen edges. */
@media all and (display-mode: standalone) {
  html:is([data-device-mode="touch"], [data-image-fit="cover"]),
  html:is([data-device-mode="touch"], [data-image-fit="cover"]) body,
  html:is([data-device-mode="touch"], [data-image-fit="cover"]) .schedule-shell {
    height: 100vh;
  }
}

html:is([data-device-mode="touch"], [data-image-fit="cover"]) .schedule-image {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: none;
  max-height: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.settings-fab,
.demo-hint {
  position: fixed;
  z-index: 30;
  border: 1px solid transparent;
  transition: opacity 220ms ease, transform 220ms ease, background 160ms ease;
}

.settings-fab {
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
}

html.settings-modal-open,
html.settings-modal-open body {
  overflow: hidden;
  overscroll-behavior: none;
}

html.settings-modal-open[data-device-mode="touch"] body {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

.settings-gear-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.settings-fab.is-hidden,
.demo-hint.is-hidden {
  opacity: 0;
  transform: translateY(-6px) scale(.96);
  pointer-events: none;
}

.demo-hint {
  top: max(66px, calc(env(safe-area-inset-top) + 58px));
  right: max(12px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: min(330px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
}

/* On real iPhones the top safe-area inset can be reported as 0 in standalone
   mode while system chrome still occupies that region. Keep touch controls
   anchored to the bottom safe area instead of trusting the top inset. */
html[data-device-mode="touch"] .settings-fab {
  top: auto;
  right: var(--touch-control-right);
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 12px));
}

html[data-device-mode="touch"] .demo-hint {
  top: auto;
  right: var(--touch-control-right);
  bottom: max(72px, calc(env(safe-area-inset-bottom) + 66px));
}

html[data-device-mode="touch"] .settings-fab.is-hidden,
html[data-device-mode="touch"] .demo-hint.is-hidden {
  transform: translateY(6px) scale(.96);
}

html[data-ui-theme="generic"] .settings-fab,
html[data-ui-theme="generic"] .demo-hint {
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(16, 42, 67, .16);
}

html[data-ui-theme="apple"] {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;
}

html[data-ui-theme="apple"] .settings-fab,
html[data-ui-theme="apple"] .demo-hint,
html[data-ui-theme="apple"] .settings-sheet {
  background: rgba(248, 250, 252, .62);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border-color: rgba(255, 255, 255, .58);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .72),
    inset 0 -1px 0 rgba(80, 100, 120, .10),
    0 12px 38px rgba(15, 30, 45, .16);
}

@media (prefers-color-scheme: dark) {
  html[data-ui-theme="apple"] .settings-fab,
  html[data-ui-theme="apple"] .demo-hint,
  html[data-ui-theme="apple"] .settings-sheet {
    background: rgba(24, 31, 40, .68);
    border-color: rgba(255, 255, 255, .14);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, .14),
      inset 0 -1px 0 rgba(0, 0, 0, .22),
      0 12px 38px rgba(0, 0, 0, .36);
  }
}

.settings-fab:active,
.demo-hint:active { transform: scale(.97); }
.settings-fab:focus-visible,
.demo-hint:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 58%, transparent);
  outline-offset: 2px;
}

.settings-dialog {
  width: min(760px, calc(100vw - 32px));
  max-width: none;
  max-height: 90vh;
  max-height: 90dvh;
  padding: 0;
  border: 0;
  border-radius: 28px;
  background: transparent;
  color: var(--ink);
  overflow: visible;
  overscroll-behavior: none;
}

.settings-dialog::backdrop {
  background: rgba(10, 18, 28, .34);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.settings-sheet {
  --settings-safe-leading: env(safe-area-inset-left, 0px);
  position: relative;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  width: 100%;
  max-height: 90vh;
  max-height: 90dvh;
  overflow: hidden;
  overscroll-behavior: none;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 0 26px 90px rgba(0, 0, 0, .25);
}

html[data-device-mode="touch"] .settings-dialog {
  position: fixed;
  inset: auto 0 0 0;
  width: 100%;
  max-height: 94vh;
  max-height: 94dvh;
  margin: 0;
  border-radius: 28px 28px 0 0;
}

html[data-device-mode="touch"] .settings-sheet {
  max-height: 94vh;
  max-height: 94dvh;
  border-radius: 28px 28px 0 0;
  padding-bottom: env(safe-area-inset-bottom);
}

.settings-header,
.settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
}

.settings-header { border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.settings-footer { border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.settings-header h2 { margin: 2px 0 0; font-size: 24px; letter-spacing: -.02em; }
.settings-source { margin: 0; color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.settings-source[data-source="local"] { color: var(--accent); }

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

.settings-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  scrollbar-width: none;
}
.settings-tabs::-webkit-scrollbar { display: none; }
.settings-tabs button {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 650;
}
.settings-tabs button.active,
.settings-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--accent-soft);
}

.settings-scroll {
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior-x: none;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 16px;
}
.settings-panel { display: grid; gap: 14px; min-width: 0; }
.settings-panel-stage { position: relative; min-width: 0; }
.settings-panel-stage.is-navigating { overflow: hidden; }
.settings-panel-stage.is-navigating > .settings-panel { position: absolute; inset: 0 auto auto 0; width: 100%; min-height: 100%; align-content: start; background: var(--settings-panel-surface, var(--bg)); contain: paint; backface-visibility: hidden; will-change: transform; }
.settings-navigation-edge { position: absolute; z-index: 2; inset: 0 auto 0 0; width: 18px; min-height: 100%; pointer-events: none; opacity: 0; background: linear-gradient(90deg, transparent, rgba(0,0,0,.10), transparent); will-change: transform, opacity; }
.settings-back-gesture-zone {
  position: absolute;
  z-index: 3;
  inset-block: 64px 0;
  inset-inline-start: calc(var(--settings-safe-leading) + 28px);
  width: 44px;
  touch-action: none;
  background: transparent;
}
.settings-dialog[data-settings-standalone] .settings-back-gesture-zone {
  inset-inline-start: 0;
  width: calc(56px + var(--settings-safe-leading));
}
.settings-dialog[data-panel="home"] .settings-back-gesture-zone,
.settings-dialog:not([data-motion-state="open"]) .settings-back-gesture-zone { pointer-events: none; }
.settings-title-ghost { position: absolute; margin: 0; pointer-events: none; white-space: nowrap; }
.settings-dialog[data-motion-state="opening"] .settings-sheet,
.settings-dialog[data-motion-state="closing"] .settings-sheet,
.settings-dialog[data-motion-state="dismissing"] .settings-sheet { will-change: transform, opacity; }

@media (any-pointer: coarse) {
  .settings-header { touch-action: none; }
}
.settings-card {
  display: flow-root;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--paper) 90%, var(--bg));
}
html[data-ui-theme="apple"] .settings-card {
  background: rgba(255, 255, 255, .34);
  border-color: rgba(120, 140, 160, .18);
}
@media (prefers-color-scheme: dark) {
  html[data-ui-theme="apple"] .settings-card { background: rgba(255, 255, 255, .055); }
}
.settings-card h3 { margin: 0 0 12px; font-size: 17px; }
.settings-card p { color: var(--muted); line-height: 1.45; }
.intro-card p, .danger-card p { margin-bottom: 0; }
.danger-card { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }

.stack-field,
.inline-field,
.switch-row,
.checkbox-row,
.range-control {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stack-field { align-items: stretch; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.inline-field { justify-content: space-between; }
.switch-row,
.checkbox-row { min-height: 44px; justify-content: space-between; }
.checkbox-row { justify-content: flex-start; }
.checkbox-row input[type="checkbox"],
.switch-row input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--muted) 58%, var(--line));
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}
.checkbox-row input[type="checkbox"] {
  order: 2;
  width: 24px;
  height: 24px;
  margin-left: auto;
  border-radius: 7px;
  background-color: color-mix(in srgb, var(--paper) 92%, var(--bg));
  background-position: center;
  background-repeat: no-repeat;
  background-size: 15px 15px;
}
.checkbox-row input[type="checkbox"]:checked {
  border-color: var(--accent);
  background-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m3.2 8.2 3 3.1 6.6-7' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.switch-row input[type="checkbox"] {
  width: 50px;
  height: 30px;
  border-radius: 999px;
  background-color: color-mix(in srgb, var(--muted) 28%, var(--paper));
  background-image: radial-gradient(circle at 15px 50%, #fff 0 10px, transparent 10.6px);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 55%, transparent);
}
.switch-row input[type="checkbox"]:checked {
  border-color: var(--accent);
  background-color: var(--accent);
  background-image: radial-gradient(circle at calc(100% - 15px) 50%, #fff 0 10px, transparent 10.6px);
}
.checkbox-row input[type="checkbox"]:focus-visible,
.switch-row input[type="checkbox"]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 38%, transparent);
  outline-offset: 3px;
}
.checkbox-row input[type="checkbox"]:disabled,
.switch-row input[type="checkbox"]:disabled { cursor: not-allowed; opacity: .48; }
.settings-row-label { font-weight: 700; min-width: 90px; }
.range-control { flex-wrap: wrap; min-height: 48px; padding: 8px 0; border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.range-control:last-child { border-bottom: 0; }
.range-detail { width: 100%; display: flex; flex-wrap: wrap; gap: 10px 18px; padding-left: 102px; }

.settings-text,
.settings-select,
.settings-number,
.settings-date {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--paper) 94%, var(--bg));
  color: var(--ink);
}
.settings-text { width: 100%; }
.settings-select { margin-left: auto; max-width: 280px; }
.settings-select.compact { max-width: 150px; }
.settings-number { width: 84px; }
.settings-date { width: 150px; }

.image-settings { display: grid; gap: 10px; min-width: 0; max-width: 100%; }
.image-setting {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--paper) 90%, var(--bg));
}
.image-preview {
  width: 62px;
  height: 50px;
  object-fit: cover;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
}
.image-preview.empty { opacity: .28; }
.image-setting-copy { min-width: 0; display: grid; gap: 3px; }
.image-setting-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.image-setting-copy small { color: var(--muted); overflow-wrap: anywhere; }
.image-setting-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.primary-button,
.secondary-button,
.danger-button,
.text-button {
  min-height: 40px;
  border-radius: 12px;
  padding: 8px 13px;
  cursor: pointer;
  font-weight: 700;
}
.primary-button { border: 1px solid var(--accent); background: var(--accent); color: #fff; }
.secondary-button { border: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 94%, var(--bg)); color: var(--ink); }
.danger-button { border: 1px solid var(--danger); background: color-mix(in srgb, var(--danger) 12%, var(--paper)); color: var(--danger); }
.text-button { min-height: 34px; border: 0; background: transparent; padding: 4px 7px; }
.text-button.danger { color: var(--danger); }
button:disabled { opacity: .45; cursor: default; }
.button-stack { display: grid; gap: 10px; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; }
.yaml-overview-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.yaml-overview-heading { min-width: 0; }
.yaml-overview-heading h3 { margin-bottom: 3px; }
.yaml-overview-heading p { margin: 0; }
.yaml-command-bar { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.yaml-icon-button { display: inline-grid; place-items: center; flex: 0 0 44px; width: 44px; min-width: 44px; min-height: 44px; padding: 10px; }
.yaml-icon-button svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.yaml-icon-button:active:not(:disabled) { opacity: .65; }
.yaml-file-note { color: var(--muted); font-size: 13px; line-height: 1.4; }
.yaml-editor-page { grid-template-rows: minmax(320px, 1fr) auto; gap: 12px; }
.yaml-editor-actions { position: sticky; bottom: 0; z-index: 1; display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 18px; background: color-mix(in srgb, var(--paper) 96%, var(--bg)); }
.yaml-editor-actions .settings-status { flex: 1 1 auto; }
.yaml-editor-actions .primary-button { flex: 0 0 auto; }

.settings-note,
.settings-status { color: var(--muted); font-size: 13px; line-height: 1.4; }
.settings-status { min-height: 1.2em; margin: 0; }
.settings-status[data-kind="error"] { color: var(--danger); }
.settings-status[data-kind="success"] { color: #3d7c55; }
.yaml-editor-host {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-top: 0;
  min-height: 320px;
  border: 1px solid #c7c7cc;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}
.yaml-editor-host:focus-within {
  border-color: #007aff;
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .16);
}
.yaml-editor-host .cm-editor { width: 100%; min-width: 0; height: 100%; min-height: 320px; color: #1d1d1f; background: #fff; }
.yaml-editor-host .cm-scroller { min-height: 320px; }
.yaml-editor-host .cm-content,
.yaml-editor-host .cm-line { caret-color: #0064d2; }
.yaml-editor-host .cm-cursor,
.yaml-editor-host .cm-dropCursor { border-left-color: #0064d2; }
.yaml-editor-host .cm-gutters {
  color: #5d5d63;
  background: #f2f2f7;
  border-color: #d1d1d6;
}
.yaml-editor-host .cm-activeLine { background: #f3f8ff; }
.yaml-editor-host .cm-activeLineGutter { color: #1d1d1f; background: #e7f2ff; }
.yaml-editor-host .cm-selectionBackground,
.yaml-editor-host .cm-content ::selection { background: #b9d9ff !important; }
.yaml-editor-host .tok-comment { color: #5d5d63; font-style: italic; }
.yaml-editor-host .tok-propertyName,
.yaml-editor-host .tok-variableName,
.yaml-editor-host .tok-labelName,
.yaml-editor-host .tok-typeName { color: #005ea8; }
.yaml-editor-host .tok-string,
.yaml-editor-host .tok-string2,
.yaml-editor-host .tok-literal,
.yaml-editor-host .tok-url { color: #0a6b39; }
.yaml-editor-host .tok-number,
.yaml-editor-host .tok-bool,
.yaml-editor-host .tok-atom { color: #6f42c1; }
.yaml-editor-host .tok-keyword,
.yaml-editor-host .tok-meta { color: #9b1c31; }
.yaml-editor-host .tok-punctuation,
.yaml-editor-host .tok-operator { color: #4a4a4f; }
.yaml-editor-host .tok-invalid {
  color: #b42318;
  text-decoration: underline wavy #b42318;
}
@media (prefers-color-scheme: dark) {
  .yaml-editor-host { border-color: #48484a; background: #1c1c1e; }
  .yaml-editor-host:focus-within {
    border-color: #64d2ff;
    box-shadow: 0 0 0 3px rgba(100, 210, 255, .18);
  }
  .yaml-editor-host .cm-editor { color: #f5f5f7; background: #1c1c1e; }
  .yaml-editor-host .cm-content,
  .yaml-editor-host .cm-line { caret-color: #64d2ff; }
  .yaml-editor-host .cm-cursor,
  .yaml-editor-host .cm-dropCursor { border-left-color: #64d2ff; }
  .yaml-editor-host .cm-gutters { color: #b7b7bd; background: #242426; border-color: #48484a; }
  .yaml-editor-host .cm-activeLine { background: #252b33; }
  .yaml-editor-host .cm-activeLineGutter { color: #fff; background: #303846; }
  .yaml-editor-host .cm-selectionBackground,
  .yaml-editor-host .cm-content ::selection { background: #164b7a !important; }
  .yaml-editor-host .tok-comment { color: #a7a7ad; }
  .yaml-editor-host .tok-propertyName,
  .yaml-editor-host .tok-variableName,
  .yaml-editor-host .tok-labelName,
  .yaml-editor-host .tok-typeName { color: #75bfff; }
  .yaml-editor-host .tok-string,
  .yaml-editor-host .tok-string2,
  .yaml-editor-host .tok-literal,
  .yaml-editor-host .tok-url { color: #78dca0; }
  .yaml-editor-host .tok-number,
  .yaml-editor-host .tok-bool,
  .yaml-editor-host .tok-atom { color: #c8a7ff; }
  .yaml-editor-host .tok-keyword,
  .yaml-editor-host .tok-meta { color: #ff8fa3; }
  .yaml-editor-host .tok-punctuation,
  .yaml-editor-host .tok-operator { color: #d1d1d6; }
  .yaml-editor-host .tok-invalid {
    color: #ff6961;
    text-decoration-color: #ff6961;
  }
}

@media (max-width: 620px) {
  .settings-header, .settings-footer { padding: 14px 16px; }
  .settings-scroll { padding: 12px; }
  .settings-card { padding: 14px; border-radius: 16px; }
  .range-control { display: grid; grid-template-columns: minmax(80px, .8fr) minmax(140px, 1.2fr); }
  .range-detail { grid-column: 1 / -1; padding-left: 0; }
  .settings-select { width: 100%; max-width: none; }
  .image-setting { grid-template-columns: 52px minmax(0, 1fr); }
  .image-preview { width: 52px; height: 46px; }
  .image-setting-actions { grid-column: 1 / -1; justify-content: flex-end; }
  .settings-footer { align-items: flex-end; }
  .yaml-overview-card { align-items: flex-start; }
  .yaml-command-bar { gap: 4px; }
  .yaml-editor-page, .yaml-editor-host, .yaml-editor-host .cm-editor, .yaml-editor-host .cm-scroller { min-height: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* Settings v4 shared information architecture. Theme files only skin it. */
.settings-form-list,
#period-settings { display: grid; gap: 16px; }
#calendar-settings { display: grid; gap: 28px; }
.settings-form-row,
.settings-summary-row {
  min-height: 54px; display: grid; grid-template-columns: minmax(110px, .8fr) minmax(0, 1.4fr);
  align-items: center; gap: 16px; border-bottom: 1px solid var(--line);
}
.settings-form-row:last-child,
.settings-summary-row:last-child { border-bottom: 0; }
.settings-form-row > :last-child { width: 100%; max-width: none; }
.settings-value { color: var(--muted); text-align: right; }
.settings-add-row {
  width: 100%; min-height: 50px; padding: 10px 16px; border: 0; border-radius: 18px;
  background: var(--paper); color: var(--accent); text-align: left; font: inherit; cursor: pointer;
}
.inline-danger { width: 100%; margin: 8px 0 12px; }
.calendar-editor { display: grid; gap: 16px; }
.settings-section-heading { margin: 0 16px; color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.3; }
.calendar-item { padding: 8px 16px; border-top: 0; }
.presentation-list .switch-row { border-top: 1px solid var(--line); }
.compatibility-warning { border-color: color-mix(in srgb, #d97706 45%, var(--line)); }
.compatibility-warning .secondary-button { width: 100%; margin-top: 8px; }
.backup-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 8px 0 16px; }
.backup-action {
  min-height: 104px; display: grid; place-items: center; align-content: center; gap: 8px;
  border: 0; border-radius: 22px; background: color-mix(in srgb, var(--paper) 82%, var(--bg)); color: var(--accent);
  font: inherit; cursor: pointer;
}
.backup-action svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.backup-action span { font-size: 14px; }
.image-settings-section,
.image-settings-group { min-width: 0; max-width: 100%; border-radius: 22px; overflow: visible; }
.image-settings-section > summary,
.image-settings-group > summary { display: flex; align-items: center; min-width: 0; max-width: 100%; cursor: pointer; color: var(--muted); list-style: none; }
.image-settings-section > summary::-webkit-details-marker,
.image-settings-group > summary::-webkit-details-marker { display: none; }
.image-settings-section > summary::after,
.image-settings-group > summary::after { content: "›"; margin-left: auto; color: var(--muted); font-size: 24px; font-weight: 400; line-height: 1; transform: rotate(0deg); transition: transform 140ms ease; }
.image-settings-section[open] > summary::after,
.image-settings-group[open] > summary::after { transform: rotate(90deg); }
.image-settings-section > summary { min-height: 56px; padding: 12px 16px; font-size: 17px; font-weight: 600; color: var(--ink); }
.image-settings-group > summary { min-height: 48px; padding: 10px 16px; font-size: 14px; font-weight: 500; }
.image-settings-section[open] { padding-bottom: 10px; }
.image-settings-section[open] + .image-settings-section { margin-top: 8px; }
.image-settings-section > .image-settings-group { margin-top: 8px; }
.image-settings-direct { display: grid; gap: 10px; min-width: 0; max-width: 100%; }
@media (prefers-reduced-motion: reduce) {
  .image-settings-section > summary::after,
  .image-settings-group > summary::after { transition: none; }
}
.image-setting { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; min-width: 0; max-width: 100%; padding: 0; gap: 0; }
.image-setting-main { width: 100%; min-width: 0; max-width: 100%; min-height: 76px; display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 10px 12px; border: 0; background: transparent; color: inherit; text-align: left; font: inherit; cursor: pointer; }
.image-setting-main .settings-chevron { margin-left: 0; }
.image-more { align-self: center; position: relative; margin-right: 8px; }
.image-more > summary { width: 44px; height: 44px; display: grid; place-items: center; cursor: pointer; list-style: none; color: var(--muted); }
.image-more > summary::-webkit-details-marker { display: none; }
.image-more-menu { position: absolute; z-index: 3; right: 0; top: 42px; min-width: 140px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: 0 8px 24px rgba(0,0,0,.16); }
.image-more-menu button { display: block; width: 100%; min-height: 44px; padding: 8px 14px; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--ink); text-align: left; font: inherit; cursor: pointer; }
.image-more-menu button:first-child { border-top: 0; }
.image-more-menu button.danger { color: var(--danger); }

@media (max-width: 520px) {
  .settings-form-row,
  .settings-summary-row { grid-template-columns: minmax(96px, .75fr) minmax(0, 1.25fr); gap: 10px; }
  .settings-form-row .settings-date { min-width: 0; }
  .image-setting-main { grid-template-columns: 48px minmax(0, 1fr) auto; gap: 10px; }
}