:root {
  --font-ui: "Microsoft JhengHei UI", "Microsoft JhengHei", "PingFang TC",
    "Noto Sans TC", system-ui, sans-serif;
  --font-mono: "Cascadia Mono", "JetBrains Mono", "Consolas",
    "Noto Sans Mono", monospace;
  --bg: #181a1f;
  --surface: #1f2228;
  --surface-2: #252931;
  --surface-3: #2b3039;
  --border: #3b424e;
  --border-soft: #323842;
  --text: #e8e9e6;
  --muted: #adb3bc;
  --muted-2: #919aa7;
  --placeholder: #858e9c;
  --accent: #78c7b7;
  --accent-strong: #58ad9c;
  --violet: #aaa4d5;
  --danger: #dc8490;
  --warning: #d8b571;
  --shadow: 0 18px 50px rgba(0, 0, 0, .25);
  --radius: 16px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 8%, rgba(98, 231, 197, .07), transparent 28%),
    radial-gradient(circle at 86% 4%, rgba(155, 140, 255, .08), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea { font: inherit; }
button { color: inherit; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(120, 199, 183, .78);
  outline-offset: 2px;
}

.app-shell {
  display: grid;
  grid-template: 68px minmax(0, 1fr) / 250px minmax(0, 1fr);
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 250px 1fr auto;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 14, 23, .88);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .16);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  gap: 11px;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  border-right: 1px solid var(--border);
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(98, 231, 197, .3);
  border-radius: 10px 10px 10px 3px;
  background: linear-gradient(145deg, rgba(98, 231, 197, .18), rgba(155, 140, 255, .12));
  color: var(--accent);
  font-size: 17px;
  font-weight: 700;
}

.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .025em; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 12px; }

.topbar-status {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0 22px;
  color: var(--muted);
  font-size: 13px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(98, 231, 197, .08);
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-right: 18px;
}

.sidebar {
  position: sticky;
  top: 68px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 68px);
  min-height: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.workspace-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 18px 13px;
}

.workspace-heading h2 {
  margin: 4px 0 0;
  font-size: 16px;
}

.eyebrow {
  color: var(--muted-2);
  font: 500 12px/1.25 var(--font-mono);
  letter-spacing: .13em;
}

.search-box {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0 14px 12px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--muted);
}

.search-box input {
  width: 100%;
  height: 36px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 13px;
}

.item-list {
  flex: 1;
  min-height: 80px;
  overflow: auto;
  padding: 0 10px 12px;
}

.item-card {
  display: grid;
  grid-template-columns: 35px 1fr auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  margin-bottom: 5px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.item-card:hover { background: rgba(255, 255, 255, .025); }
.item-card.active { border-color: rgba(98, 231, 197, .28); background: rgba(98, 231, 197, .07); }

.item-icon {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 9px;
  background: var(--surface-3);
  color: var(--violet);
  font: 600 12px/1 var(--font-mono);
}

.item-card strong, .item-card small { display: block; }
.item-card strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.item-card small { margin-top: 3px; color: var(--muted-2); font: 12px/1.2 var(--font-mono); }

.delete-item {
  padding: 4px;
  border: 0;
  background: transparent;
  color: var(--muted-2);
  cursor: pointer;
}
.delete-item:hover { color: var(--danger); }

.empty-list {
  padding: 34px 15px;
  color: var(--muted-2);
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}

.sidebar-footer {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--border);
}

.editor {
  min-width: 0;
  padding: 34px clamp(18px, 3vw, 46px) 80px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  max-width: 1440px;
  margin: 0 auto 26px;
}

.hero h1 { margin: 7px 0 4px; font-size: clamp(23px, 2.4vw, 34px); letter-spacing: -.03em; }
.hero p { margin: 0; color: var(--muted); font-size: 13px; }
#currentItemId,
#currentMobId { margin-left: 6px; color: var(--accent); }

.hero-actions { display: flex; gap: 10px; align-items: flex-end; }

.editor-grid {
  display: grid;
  grid-template-columns: minmax(600px, 1fr) minmax(340px, 430px);
  gap: 18px;
  align-items: start;
  max-width: 1440px;
  margin: 0 auto;
}

.form-column { display: grid; gap: 15px; min-width: 0; }

.panel, .preview-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(23, 28, 44, .92), rgba(17, 21, 34, .92));
  box-shadow: var(--shadow);
}

.panel { padding: 22px; }

.panel-heading, .heading-group {
  display: flex;
  gap: 13px;
  align-items: center;
}

.panel-heading { margin-bottom: 20px; }
.panel-heading.with-action { justify-content: space-between; }
.panel-heading h2, .preview-heading h2, .dialog-heading h2 { margin: 0; font-size: 16px; }
.panel-heading p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

.step {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  height: 34px;
  border: 1px solid rgba(155, 140, 255, .24);
  border-radius: 9px;
  background: rgba(155, 140, 255, .08);
  color: var(--violet);
  font: 500 12px/1 var(--font-mono);
}

.form-grid { display: grid; gap: 13px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }

.field { display: grid; gap: 6px; min-width: 0; }
.field > span { color: var(--muted); font-size: 13px; }
.field > span b { color: var(--accent); }
.field.compact { min-width: 150px; }

input, select, textarea {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  outline: 0;
  background: var(--bg);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s, background .15s;
}

input, select { height: 38px; padding: 0 10px; }
textarea { padding: 11px; resize: vertical; }

input:hover, select:hover, textarea:hover { border-color: #515a67; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(98, 231, 197, .08);
  background: #20242a;
}

input::placeholder, textarea::placeholder {
  color: var(--placeholder);
  opacity: 1;
}

.toggle-field {
  display: flex;
  gap: 9px;
  align-items: center;
  align-self: end;
  height: 38px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
}

input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--accent-strong); }

.choice-block { margin-top: 20px; }
.choice-block > strong { display: block; margin-bottom: 10px; font-size: 13px; }
.choice-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.choice-heading strong { font-size: 13px; }

.chip-grid { display: flex; flex-wrap: wrap; gap: 7px; }

.check-chip {
  position: relative;
  cursor: pointer;
  user-select: none;
}
.check-chip input { position: absolute; opacity: 0; pointer-events: none; }
.check-chip span {
  display: block;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--muted);
  font-size: 12px;
  transition: .15s;
}
.check-chip:hover span { border-color: #4c5561; color: var(--text); }
.check-chip input:checked + span {
  border-color: rgba(98, 231, 197, .38);
  background: rgba(98, 231, 197, .09);
  color: var(--accent);
}

.check-chip input:focus-visible + span {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(120, 199, 183, .18);
}

.split-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.split-choices .choice-block { margin-top: 0; }

.button, .icon-button, .text-button, .script-tab {
  border: 0;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  transition: transform .15s, border-color .15s, background .15s;
}
.page-link { text-decoration: none; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--accent); color: #081510; }
.button.primary:hover { background: #7cf0d4; }
.button.accent { background: var(--violet); color: #0b0e17; }
.button.secondary { border-color: rgba(155, 140, 255, .35); background: rgba(155, 140, 255, .11); color: #c2baff; }
.button.ghost { border-color: var(--border); background: var(--surface-2); color: var(--muted); }
.button.ghost:hover { border-color: #4b5460; color: var(--text); }
.button.danger { color: var(--danger); }
.button.subtle { border-color: rgba(255, 113, 133, .14); background: rgba(255, 113, 133, .06); }
.button.small { min-height: 32px; padding: 0 10px; }
.button.full { width: 100%; }

.icon-button {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 18px;
}
.icon-button:hover { border-color: var(--accent); color: var(--accent); }

.text-button {
  padding: 3px 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}
.text-button:hover { color: var(--accent); }

.bonus-builder {
  margin-bottom: 15px;
  padding: 15px;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: #1a1d22;
}

.bonus-description {
  min-height: 18px;
  margin: 10px 0 12px;
  color: var(--muted);
  font-size: 12px;
}

.builder-footer {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

.formula-toggle {
  display: flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}
.formula-toggle input { height: auto; }

.formula-fields {
  display: flex;
  gap: 5px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}
.formula-fields input { width: 50px; height: 30px; padding: 0 6px; }
.formula-fields select { width: 72px; height: 30px; padding: 0 6px; }
.builder-footer .button { margin-left: auto; }

.script-tabs { display: flex; gap: 5px; border-bottom: 1px solid var(--border); }
.script-tab {
  padding: 9px 13px;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font: 500 12px/1 var(--font-mono);
}
.script-tab.active { border-color: var(--accent); color: var(--accent); }

.script-handwrite-hint {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.script-handwrite-hint small {
  color: var(--muted-2);
  font: 11px/1.5 var(--font-mono);
  white-space: nowrap;
}

.script-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  margin-top: 8px;
}
.line-number {
  padding: 12px 8px;
  border: 1px solid var(--border);
  border-right: 0;
  border-radius: 9px 0 0 9px;
  background: #191c21;
  color: var(--muted-2);
  font: 12px/1.55 var(--font-mono);
  text-align: right;
}
.code-editor {
  border-radius: 0 9px 9px 0;
  font: 13px/1.6 var(--font-mono);
  white-space: pre;
}

.script-assist {
  position: absolute;
  z-index: 15;
  width: min(520px, calc(100% - 32px));
  max-height: 300px;
  overflow: hidden;
  border: 1px solid #515a67;
  border-radius: 7px;
  background: #20242b;
  box-shadow: 0 16px 36px rgba(0, 0, 0, .32);
}

.script-assist-heading,
.script-assist-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  color: var(--muted-2);
  font-size: 11px;
}

.script-assist-heading {
  border-bottom: 1px solid var(--border-soft);
}

.script-assist-heading strong {
  color: var(--text);
  font-size: 12px;
}

.script-assist-heading small,
.script-assist-footer {
  font-family: var(--font-mono);
}

.script-assist-list {
  max-height: 222px;
  overflow-y: auto;
  padding: 4px;
}

.script-assist-option {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 8px 9px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.script-assist-option:hover,
.script-assist-option.active {
  border-color: rgba(120, 199, 183, .3);
  background: rgba(120, 199, 183, .09);
}

.script-assist-option code {
  overflow: hidden;
  color: var(--accent);
  font: 12px/1.35 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.script-assist-option span {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.script-assist-footer {
  border-top: 1px solid var(--border-soft);
}

.preview-column { position: sticky; top: 86px; min-width: 0; }
.preview-panel { overflow: hidden; }

.preview-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.preview-heading h2 { margin-top: 5px; font-family: var(--font-mono); }

.valid-badge {
  padding: 5px 8px;
  border: 1px solid rgba(98, 231, 197, .26);
  border-radius: 99px;
  background: rgba(98, 231, 197, .07);
  color: var(--accent);
  font-size: 12px;
}
.valid-badge.invalid { border-color: rgba(255, 113, 133, .3); background: rgba(255, 113, 133, .08); color: var(--danger); }

.validation {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 197, 110, .17);
  background: rgba(255, 197, 110, .06);
  color: var(--warning);
  font-size: 12px;
  line-height: 1.7;
}

#yamlOutput, #mobYamlOutput {
  min-height: 620px;
  max-height: calc(100vh - 250px);
  margin: 0;
  overflow: auto;
  padding: 20px;
  background: #191c21;
  color: #cdd3d7;
  font: 13px/1.65 var(--font-mono);
  tab-size: 2;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-actions { padding: 13px; border-top: 1px solid var(--border); }

dialog {
  width: min(520px, calc(100vw - 28px));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, .55);
}
dialog::backdrop { background: rgba(2, 4, 9, .75); backdrop-filter: blur(5px); }
.dialog-card { display: grid; gap: 16px; padding: 23px; }
.dialog-heading { display: flex; justify-content: space-between; align-items: center; }
.dialog-heading h2 { margin-top: 5px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  max-width: 320px;
  padding: 11px 15px;
  border: 1px solid rgba(98, 231, 197, .25);
  border-radius: 10px;
  background: #182139;
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: .2s;
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .editor-grid { grid-template-columns: 1fr; }
  .preview-column { position: static; }
  #yamlOutput, #mobYamlOutput { min-height: 380px; max-height: 650px; }
}

@media (max-width: 820px) {
  .app-shell { grid-template: 62px auto minmax(0, 1fr) / 1fr; }
  .topbar { grid-template-columns: 1fr auto; height: 62px; }
  .brand { height: 62px; border-right: 0; }
  .topbar-status { display: none; }
  .topbar-actions { gap: 5px; padding-right: 9px; }
.topbar-actions .button { padding: 0 10px; font-size: 12px; }
  .sidebar {
    position: static;
    top: auto;
    grid-row: 2;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .workspace-heading { padding: 12px 15px 8px; }
  .workspace-heading .eyebrow { display: none; }
  .item-list { display: flex; gap: 6px; overflow-x: auto; padding: 0 10px 10px; }
  .item-card { flex: 0 0 190px; margin: 0; }
  .search-box, .sidebar-footer { display: none; }
  .editor { padding: 24px 13px 60px; }
  .hero { align-items: flex-start; }
  .hero-actions { display: none; }
  .panel { padding: 17px; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .split-choices { grid-template-columns: 1fr; }
  .builder-footer { align-items: flex-start; flex-wrap: wrap; }
  .formula-fields { order: 3; width: 100%; flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .brand { padding-left: 12px; }
  .brand small { display: none; }
  .topbar-actions #importButton, .topbar-actions #copyButton,
  .topbar-actions #mobImportButton, .topbar-actions #mobCopyButton { display: none; }
  .form-grid.cols-3, .form-grid.cols-4 { grid-template-columns: 1fr 1fr; }
  .span-3 { grid-column: span 2; }
  .panel-heading.with-action { align-items: flex-start; }
  .heading-group { align-items: flex-start; }
}

/* Compact generator layout: dense and functional by design. */
:root {
  --radius: 7px;
  --shadow: none;
}

body { background: var(--bg); }
.topbar { background: var(--bg); backdrop-filter: none; box-shadow: none; }
.panel, .preview-panel { background: var(--surface); box-shadow: none; }
.editor { padding: 16px 18px 48px; }
.hero { max-width: none; margin-bottom: 12px; }
.hero h1 { margin-top: 4px; font-size: 23px; }
.hero p { font-size: 13px; }
.editor-grid { max-width: none; gap: 9px; }
.form-column { gap: 9px; }
.panel { padding: 14px; }
.panel-heading { margin-bottom: 12px; }
.step { flex-basis: 28px; height: 28px; border-radius: 4px; background: transparent; }
.form-grid { gap: 8px; }
.field { gap: 4px; }
input, select { height: 36px; }
.toggle-field { height: 36px; border-radius: 5px; }
.choice-block { margin-top: 14px; }
.check-chip span { padding: 5px 7px; border-radius: 4px; }
.chip-grid.grouped-chips {
  display: grid;
  gap: 13px;
}

.chip-section {
  min-width: 0;
}

.chip-section-title {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .045em;
}

.chip-section-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bonus-search-meta {
  display: flex;
  align-items: center;
  min-height: 34px;
  color: var(--muted-2);
  font: 12px/1.4 var(--font-mono);
  white-space: nowrap;
}

.tool-nav {
  display: grid;
  gap: 6px;
  padding: 0 12px;
}

.tool-nav a {
  display: grid;
  gap: 2px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
}

.tool-nav a:hover { background: var(--surface-2); color: var(--text); }
.tool-nav a.active {
  border-color: rgba(120, 199, 183, .34);
  background: rgba(120, 199, 183, .08);
  color: var(--accent);
}
.tool-nav span { font: 600 12px/1.2 var(--font-mono); }
.tool-nav small { color: var(--muted-2); font-size: 12px; }

.sidebar-reference {
  margin: 18px 14px;
  padding: 12px;
  border-top: 1px solid var(--border-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}
.sidebar-reference strong { color: var(--text); }
.sidebar-reference p { margin: 7px 0 0; }

.home-shell {
  min-height: 100vh;
  background: var(--bg);
}

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 max(20px, calc((100vw - 1040px) / 2));
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.home-header .brand {
  width: auto;
  padding: 0;
  border-right: 0;
}

.home-local-label {
  color: var(--muted-2);
  font: 12px/1 var(--font-mono);
  letter-spacing: .12em;
}

.home-main {
  width: min(1040px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(60px, 10vh, 110px) 0 32px;
}

.home-intro {
  max-width: 680px;
}

.home-intro h1 {
  margin: 12px 0 10px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: -.035em;
}

.home-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.home-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
}

.home-tool-card {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 14px;
  align-items: start;
  min-height: 178px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color .15s, background .15s;
}

.home-tool-card:hover,
.home-tool-card:focus-visible {
  border-color: var(--accent-strong);
  background: var(--surface-2);
  outline: none;
}

.home-tool-index,
.home-tool-code {
  color: var(--accent);
  font: 600 12px/1.2 var(--font-mono);
  letter-spacing: .08em;
}

.home-tool-content {
  display: grid;
  gap: 8px;
}

.home-tool-content strong {
  font-size: 20px;
}

.home-tool-content small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.home-tool-enter {
  align-self: end;
  color: var(--muted-2);
  font-size: 12px;
  white-space: nowrap;
}

.home-tool-card:hover .home-tool-enter,
.home-tool-card:focus-visible .home-tool-enter {
  color: var(--accent);
}

.home-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
  color: var(--muted-2);
  font-size: 12px;
}

.home-footer strong { color: var(--violet); }

.choice-details {
  margin-top: 14px;
  border-top: 1px solid var(--border-soft);
}

.choice-details summary {
  padding: 11px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.choice-details[open] summary { color: var(--text); }

.drop-section + .drop-section {
  margin-top: 20px;
  padding-top: 17px;
  border-top: 1px solid var(--border-soft);
}

.drop-list { display: grid; gap: 7px; }

.drop-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.4fr) 76px 94px minmax(150px, 1fr) auto auto 31px;
  gap: 7px;
  align-items: end;
  padding: 9px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--bg);
}

.drop-row.mvp {
  grid-template-columns: minmax(180px, 1.6fr) 76px 94px minmax(160px, 1fr) 31px;
}

.drop-check {
  display: flex;
  gap: 5px;
  align-items: center;
  min-height: 34px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.drop-check input { height: auto; }
.drop-remove { margin-bottom: 1px; }
.drop-empty {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--muted-2);
  font-size: 12px;
  text-align: center;
}

.bonus-builder { padding: 10px; border-radius: 5px; }
.preview-column { top: 77px; }
#yamlOutput, #mobYamlOutput { min-height: 560px; }

.cols-2 { grid-template-columns: repeat(2, 1fr); }

.inline-select {
  margin-top: 11px;
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.advanced-card {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
}

.advanced-card.wide { grid-column: 1 / -1; }

.advanced-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 9px;
}

.advanced-heading strong { font-size: 13px; }
.advanced-heading small { color: var(--muted-2); font: 11px/1.3 var(--font-mono); }

.micro-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 9px;
}

.micro-checks label {
  display: flex;
  gap: 4px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.micro-checks input { height: auto; }

.signature {
  color: var(--muted-2);
  font-size: 11px;
  text-align: center;
}

.signature strong {
  margin-left: 3px;
  color: var(--violet);
  letter-spacing: .08em;
}

@media (min-width: 1700px) {
  .app-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .topbar { grid-template-columns: 210px 1fr auto; }
  .editor-grid { grid-template-columns: minmax(0, 4fr) minmax(340px, 1.1fr); }
  .form-column {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .form-column > .panel:nth-child(4) { grid-column: 2 / 4; }
  .mob-form-column > .panel:nth-child(4) { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .advanced-grid { grid-template-columns: 1fr; }
  .advanced-card.wide { grid-column: auto; }
  .drop-row, .drop-row.mvp { grid-template-columns: 1fr 1fr; }
  .drop-item, .drop-option { grid-column: 1 / -1; }
  .drop-remove { justify-self: end; }
  .home-tools { grid-template-columns: 1fr; }
  .home-main { padding-top: 48px; }
  .home-tool-card { min-height: 150px; }
  .home-footer { flex-direction: column; }
}

@media (max-width: 820px) {
  .tool-nav { display: flex; padding: 0 10px 10px; }
  .tool-nav a { min-width: 150px; }
  .sidebar-reference { display: none; }
}

@media (max-width: 520px) {
  .topbar-actions .sibling-link { display: none; }
  .home-header { height: 62px; padding: 0 14px; }
  .home-local-label { display: none; }
  .home-main { width: min(100% - 26px, 1040px); }
  .home-tool-card {
    grid-template-columns: 30px 1fr;
    padding: 18px;
  }
  .home-tool-enter { grid-column: 2; }
}

/* Item editor: keep one focused section open at a time. */
.item-workbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
}

.item-section-tabs {
  display: flex;
  gap: 4px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.item-section-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font: 600 13px/1 var(--font-ui);
  white-space: nowrap;
  cursor: pointer;
}

.item-section-tab > span {
  color: var(--muted-2);
  font: 700 11px/1 var(--font-mono);
}

.item-section-tab:hover,
.item-section-tab:focus-visible {
  background: var(--surface-2);
  color: var(--text);
}

.item-section-tab.active {
  border-color: rgba(74, 188, 255, .35);
  background: rgba(74, 188, 255, .09);
  color: var(--accent);
}

.item-section-tab.active > span { color: var(--accent); }

.item-toolbar-actions {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  flex: 0 0 auto;
}

.item-toolbar-actions .field.compact {
  width: 190px;
  min-width: 0;
}

.form-column.item-form-column {
  display: block;
}

.form-column.item-form-column > .panel {
  grid-column: auto;
  width: 100%;
  padding: 20px;
}

.item-form-column > .panel[hidden] { display: none; }
.item-form-column .form-grid { gap: 13px; }
.item-form-column .field { gap: 6px; }
.item-form-column input,
.item-form-column select { height: 39px; }
.item-form-column .choice-block { margin-top: 20px; }
.item-form-column .chip-section { padding: 12px; }
.item-form-column .chip-section-grid { gap: 7px; }
.item-form-column .check-chip span { min-height: 34px; }

@media (min-width: 1181px) {
  .editor-grid.item-editor-grid {
    grid-template-columns: minmax(0, 960px) minmax(360px, 420px);
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (min-width: 1700px) {
  .form-column.item-form-column { display: block; }
  .form-column.item-form-column > .panel { grid-column: auto; }
}

@media (max-width: 900px) {
  .item-workbar {
    flex-direction: column;
    align-items: stretch;
  }

  .item-toolbar-actions { justify-content: flex-end; }
  .item-toolbar-actions .field.compact { flex: 1; }
}

@media (max-width: 520px) {
  .item-workbar { padding: 8px; }
  .item-toolbar-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .item-toolbar-actions .field.compact { width: auto; }
  .form-column.item-form-column > .panel { padding: 15px; }
  .item-form-column .form-grid.cols-2,
  .item-form-column .form-grid.cols-3,
  .item-form-column .form-grid.cols-4,
  .item-form-column .split-choices {
    grid-template-columns: 1fr;
  }
  .item-form-column .span-2,
  .item-form-column .span-3 {
    grid-column: auto;
  }
  .script-handwrite-hint {
    display: grid;
    gap: 3px;
  }
  .script-handwrite-hint small { white-space: normal; }
  .script-assist {
    left: 32px !important;
    width: calc(100% - 32px);
  }
}