:root {
  color-scheme: dark;
  --app-height: 100vh;
  --bg: #060708;
  --surface: #0b0d11;
  --surface-2: #10141b;
  --border: #20242d;
  --border-strong: #343a46;
  --text: #eceff4;
  --muted: #8c94a3;
  --accent: #ffffff;
  --accent-soft: #dfe8ff;
  --accent-alt: #c5cfdd;
  --danger: #f5f5f5;
  --ok: #d4d4d4;
  --shadow: none;
  --preview-border-color: #8ea3ff;
  --preview-accent-color: #7dd3fc;
  --control-height: 28px;
  --control-height-tight: 26px;
  --control-radius: 2px;
  --control-padding-x: 10px;
  --control-font-size: 11px;
  --column-padding: 16px;
  --column-header-height: 60px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  min-height: var(--app-height);
  height: var(--app-height);
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  overflow: hidden;
}
body {
  padding: 0;
  min-height: var(--app-height);
}
button, input, textarea { font: inherit; }

.shell {
  width: 100%;
  min-height: var(--app-height);
  height: var(--app-height);
  margin: 0;
  padding-bottom: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0) 16%);
}
.topbar {
  display: none;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-alt);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1 { margin: 0; font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1; letter-spacing: -0.05em; }
.lede { margin: 14px 0 0; max-width: 860px; color: var(--muted); line-height: 1.7; }
.topbar-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }

.button, .mini-button {
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}
.button:hover, .mini-button:hover { border-color: #566070; background: #151b23; }
.button,
.mini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  line-height: 1;
  font-size: var(--control-font-size);
  font-weight: 500;
  cursor: pointer;
}
.button { min-height: var(--control-height); padding: 0 12px; border-radius: var(--control-radius); }
.button-primary,
.button-accent {
  background: #f5f5f5;
  color: #050505;
  border-color: #f5f5f5;
}
.button-primary:hover,
.button-accent:hover {
  background: #e7e7e7;
  border-color: #e7e7e7;
}
.mini-button { min-height: var(--control-height-tight); padding: 0 var(--control-padding-x); border-radius: var(--control-radius); }
.mini-button.danger { color: var(--text); border-color: var(--border-strong); }

.layout {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr) 448px;
  gap: 0;
  align-items: stretch;
  height: var(--app-height);
  min-height: 0;
}
.panel {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  box-shadow: var(--shadow);
  overflow: hidden;
  min-width: 0;
}
.layout > .panel:first-child {
  border-left: 0;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 0;
}
.panel-subtle, .helper { color: var(--muted); font-size: 12px; }
.sticky-head { padding-bottom: 14px; }
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pane-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: none;
}
.library-panel > .panel-head,
.preview-topbar,
.inspector-topbar {
  min-height: var(--column-header-height);
  padding: 14px var(--column-padding) 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(14, 17, 22, 0.96), rgba(8, 10, 13, 0.92));
}
.library-brand {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--control-height-tight);
}
.library-brand-icon {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: #ffffff;
}
.library-brand-label {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-height-tight);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
}
.library-panel,
.preview-panel,
.inspector-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}
.library-head,
.inspector-head {
  padding-bottom: 0;
}
.library-head {
  align-items: center;
}
.library-create-button {
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  border-color: #f5f5f5;
  background: #f5f5f5;
  color: #050505;
}
.library-create-button:hover {
  border-color: #e7e7e7;
  background: #e7e7e7;
}
.library-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 10px var(--column-padding);
  border-bottom: 1px solid var(--border);
}
.library-meta div {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
}
.library-meta span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.library-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 10px 0 16px;
}
.library-section-row {
  margin-bottom: 0;
  padding: 0 var(--column-padding) 8px;
}
.library-section-row h3 {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.library-skin-list {
  gap: 0;
}
.empty-state-block,
.preview-empty-state,
.inspector-empty-state {
  color: var(--muted);
}
.empty-state-block {
  display: grid;
  gap: 4px;
  margin: 0 var(--column-padding);
  padding: 12px 0 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
}
.empty-state-block p,
.preview-empty-title,
.inspector-empty-title {
  margin: 0;
  color: var(--text);
}
.preview-empty-state,
.inspector-empty-state {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}
.preview-empty-state > div,
.inspector-empty-state > div {
  display: grid;
  gap: 8px;
  max-width: 280px;
}
.preview-empty-title,
.inspector-empty-title {
  font-size: 13px;
  font-weight: 500;
}
.sidebar-panel { display: flex; flex-direction: column; align-self: start; }
.meta-box {
  margin: 12px 0 0;
  padding: 12px 0 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 10px;
}
.meta-box div {
  display: grid;
  grid-template-columns: 106px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}
.meta-box span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.meta-box code { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-section { padding: 18px 22px 0; }
.section-head { margin-bottom: 10px; }
.skin-list { display: grid; gap: 0; }
.skin-card {
  width: 100%;
  text-align: left;
  padding: 12px var(--column-padding);
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}
.skin-card:hover {
  background: rgba(255,255,255,0.03);
}
.skin-card.active {
  background: linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02) 72%, transparent);
  box-shadow: inset 2px 0 0 #f5f5f5;
}
.skin-card-title { display:block; font-weight: 600; margin-bottom: 6px; font-size: 12px; letter-spacing: 0.02em; }
.skin-card-desc { display: none; }
.skin-card-meta { display:block; color: var(--muted); font-size: 11px; margin-top: 4px; }

.editor-panel, .preview-panel, .inspector-panel { display: flex; flex-direction: column; align-self: start; }
.preview-panel,
.inspector-panel {
  height: 100%;
  min-height: 0;
}
.preview-panel { position: relative; top: auto; }
.editor-scroll { padding: 18px 22px 22px; min-width: 0; }
.section-block + .section-block {
  margin-top: 0;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.section-title-row {
  display:flex;
  justify-content:space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.section-title-row .helper,
.art-card-head .helper,
.field > .helper,
.inspector-title-group .panel-subtle,
.preview-empty-state .helper,
.inspector-empty-state .helper,
.modal-head .panel-subtle,
.create-mode-card span {
  display: none;
}
.field-grid { display: grid; gap: 10px; }
.two-col { grid-template-columns: repeat(2, minmax(0,1fr)); }
.three-col { grid-template-columns: repeat(3, minmax(0,1fr)); }
.one-col { grid-template-columns: 1fr; }
.field { display:flex; flex-direction:column; gap:8px; min-width: 0; }
.field span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.field-note {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}
.field input, .field textarea, #yamlOutput {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--border);
  background: #0d1015;
  color: var(--text);
  padding: 8px 10px;
  outline: none;
}
.field select {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--border);
  background: #0d1015;
  color: var(--text);
  padding: 8px 10px;
  outline: none;
  color-scheme: dark;
}
.field select option,
.field select optgroup {
  color: var(--text);
  background: #111111;
}
.field textarea, #yamlOutput {
  resize: none;
  overflow: hidden;
  font-family: "IBM Plex Mono", monospace;
}
.field textarea { min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus, #yamlOutput:focus {
  border-color: #6a7383;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}
.compact-grid { align-items: end; }
.generator-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 14px;
}
.generator-grid > .field {
  flex: 1 1 220px;
}
.hero-generator-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 14px;
  margin-bottom: 14px;
}
.hero-upload-block {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}
.hero-file-field {
  flex-basis: 320px;
}
.hero-upload-block > .field:not(.hero-file-field) {
  max-width: 260px;
}
.art-composer-grid { gap: 18px; }
.art-card {
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 14px 0 0;
  background: transparent;
  min-width: 0;
}
.art-card:first-child {
  border-top: 0;
  padding-top: 0;
}
.art-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}
.art-card h4 { margin: 0; font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text); }
.inspector-topbar {
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 4;
  padding-bottom: 12px;
}
.inspector-head {
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}
.inspector-toolbar {
  display: grid;
  gap: 0;
  width: 100%;
}
.inspector-section-nav {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
}
.inspector-nav-chip,
.inspector-danger-button {
  min-height: var(--control-height-tight);
  font-size: var(--control-font-size);
  white-space: nowrap;
}
.inspector-nav-chip {
  width: 100%;
  padding: 0 9px;
  border-radius: 0;
  border: 0;
  border-right: 1px solid var(--border);
  background: transparent;
  color: var(--accent-alt);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
}
.inspector-nav-chip:last-child {
  border-right: 0;
}
.inspector-nav-chip:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}
.inspector-nav-chip.active {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}
.section-inline-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 8px;
}
.inspector-danger-button {
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: #d9b2b2;
}
.inspector-danger-button:hover {
  border-color: var(--border);
  background: #131313;
}
.inspector-scroll {
  flex: 1;
  padding: 0 var(--column-padding) var(--column-padding);
  min-height: 0;
  min-width: 0;
  overflow: auto;
}
.inspector-section {
  scroll-margin-top: 112px;
  padding: 16px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.inspector-section.is-active {
  border-color: transparent;
  background: transparent;
}
.inspector-meta {
  margin: 16px 0 0;
}
.inspector-scroll .two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.inspector-scroll .three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.inspector-scroll .color-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.inspector-scroll .compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.inspector-scroll .generator-grid,
.inspector-scroll .hero-upload-block {
  display: grid;
  gap: 12px;
}
.inspector-scroll .generator-grid > .field {
  flex: none;
  max-width: none;
}
.inspector-scroll .hero-upload-block > .field:not(.hero-file-field) {
  max-width: none;
}
.disclosure-panel {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-2);
  overflow: hidden;
}
.disclosure-panel summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  font-weight: 600;
}
.disclosure-panel summary::-webkit-details-marker {
  display: none;
}
.disclosure-body {
  padding: 0 14px 14px;
}
.disclosure-helper {
  margin: 0 0 12px;
}
.file-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: auto;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: #0d1015;
  flex-wrap: wrap;
}
.file-picker-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  border: 1px solid var(--border-strong);
  background: #11151c;
  color: var(--text);
  cursor: pointer;
  transition: 160ms ease;
  font-size: var(--control-font-size);
  font-weight: 500;
}
.file-picker-button:hover {
  border-color: #5a5a5a;
  background: #191919;
}
.file-picker-name {
  min-width: 0;
  flex: 1 1 180px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.checkbox-field input {
  width: 20px;
  height: 20px;
  accent-color: #ffffff;
  align-self: flex-start;
}
.color-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.color-field input { min-height: 40px; padding: 2px; }

.preview-stack {
  padding: 18px var(--column-padding) var(--column-padding);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  min-height: 0;
  flex: 1;
  overflow: hidden;
}
.preview-mode-header {
  display: none;
}
.terminal {
  border-radius: 0;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #050607, #020304);
  padding: 18px;
  font-family: "IBM Plex Mono", monospace;
  min-height: 0;
  height: auto;
}
.startup-terminal {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: auto;
}
.preview-scale-frame {
  position: relative;
  flex: 0 0 auto;
  overflow: visible;
  min-width: 0;
  min-height: 0;
}
.startup-screen {
  display: grid;
  gap: 14px;
  align-content: start;
  width: max-content;
  min-width: 0;
  transform-origin: top left;
  will-change: transform;
}
.startup-logo-wrap {
  padding: 0;
}
.startup-logo {
  margin: 0;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  color: #e4ecff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  line-height: 1.16;
  letter-spacing: 0;
}
.startup-meta-card {
  border: 1px solid var(--preview-border-color);
  border-radius: 0;
  padding: 14px;
  background: rgba(8, 9, 12, 0.95);
}
.startup-meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 14px;
  align-items: start;
}
.startup-meta-copy {
  min-width: 0;
}
.startup-hero-wrap {
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}
.startup-hero {
  width: auto;
  max-width: 100%;
  margin: 0;
  text-align: left;
}
.startup-spinner-line {
  margin-top: 2px;
}
.banner { border:1px solid var(--preview-border-color); border-radius:0; padding: 14px; margin-bottom: 14px; }
.banner-title-row { display:flex; align-items:center; gap:12px; margin-bottom:10px; }
.banner-chip { color: var(--preview-border-color); font-weight:700; }
.banner-rule { flex:1; height:1px; background: linear-gradient(90deg, rgba(255,255,255,0.18), transparent); }
.banner-body p { margin: 0 0 8px; color: #dbdbdb; }
.accent { color: var(--preview-accent-color); }
.banner-art, .hero-art {
  margin: 0 0 12px;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  color: #dce6ff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.16;
}
.hero-art { margin-top: 12px; color: #bfd9ff; }
.preview-focus-target {
  cursor: pointer;
}
.inline-focus-target {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
}
.block-focus-target {
  border-radius: 12px;
}
.inline-focus-target:hover,
.inline-focus-target:focus-visible,
.block-focus-target:hover,
.block-focus-target:focus-visible {
  outline: 1px dashed rgba(255,255,255,0.28);
  outline-offset: 4px;
}
.startup-meta-card.preview-focus-target:hover,
.response-box.preview-focus-target:hover,
.startup-meta-card.preview-focus-target:focus-visible,
.response-box.preview-focus-target:focus-visible {
  box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}
.startup-logo.preview-focus-target:hover,
.startup-logo.preview-focus-target:focus-visible,
.startup-hero.preview-focus-target:hover,
.startup-hero.preview-focus-target:focus-visible,
.prompt-line.preview-focus-target:hover,
.prompt-line.preview-focus-target:focus-visible {
  outline: 1px dashed rgba(255,255,255,0.28);
  outline-offset: 8px;
  border-radius: 12px;
}
.terminal-line, .prompt-line { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.tool-prefix, .prompt-symbol, .spinner-face, .spinner-wings, .spinner-verb { color: var(--preview-accent-color); }
.response-box { position: relative; border:1px solid var(--preview-border-color); border-radius:0; padding: 22px 14px 14px; margin-bottom:12px; }
.response-label { position:absolute; top:-1px; left:12px; padding: 1px 8px; border-radius:0; background:#050607; border:1px solid #2b2b2b; font-size:12px; }
.response-box p { margin:0; color:#d8d8d8; line-height:1.6; }

.yaml-panel {
  flex: 0 0 auto;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  overflow: hidden;
}
.yaml-summary {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  padding: 14px 0 8px;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  font-size: 12px;
}
.yaml-summary::-webkit-details-marker {
  display: none;
}
.yaml-body {
  padding: 0 0 10px;
}
.yaml-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}
#yamlOutput { min-height: 220px; }
code { font-family: "IBM Plex Mono", monospace; background: rgba(255,255,255,0.04); padding: 2px 6px; border-radius: 0; }

.preview-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.preview-topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}
.preview-header-spacer {
  flex: 1 1 auto;
  min-width: 0;
}
.preview-status {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.preview-primary-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  flex-wrap: wrap;
}
.preview-action-button {
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
}
.preview-action-button:hover {
  border-color: #5a5a5a;
  background: #131313;
}
.preview-action-button-accent {
  border-color: #f5f5f5;
  background: #f5f5f5;
  color: #050505;
}
.preview-action-button-accent:hover {
  border-color: #e7e7e7;
  background: #e7e7e7;
}
.preview-panel .preview-stack {
  flex: 1;
  justify-content: center;
  padding: 18px var(--column-padding) var(--column-padding);
  gap: 0;
}
.preview-panel .terminal {
  width: 100%;
  height: 100%;
}
.preview-panel .startup-terminal {
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.inspector-yaml-panel {
  margin-top: 18px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(10px);
}
.modal-card {
  width: min(560px, 100%);
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.modal-head h2 {
  margin: 0;
  font-size: 0.95rem;
}
.modal-close-button {
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  font-size: var(--control-font-size);
}
.modal-body {
  display: grid;
  gap: 14px;
  padding: 14px;
}
.create-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.create-mode-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 9px;
  text-align: center;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}
.create-mode-card strong {
  font-size: 11px;
  letter-spacing: 0.03em;
}
.create-mode-card.active {
  border-color: #f5f5f5;
  background: #151515;
}
.create-mode-card:disabled {
  opacity: 0.4;
}
.modal-form-grid {
  gap: 12px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 0 12px 12px;
}
.modal-actions .mini-button,
.modal-actions .button,
.yaml-actions .mini-button {
  min-height: var(--control-height-tight);
  padding: 0 var(--control-padding-x);
  border-radius: var(--control-radius);
  font-size: var(--control-font-size);
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 1400px) {
  .layout { grid-template-columns: 244px minmax(0, 1fr) 420px; }
}
@media (max-width: 1080px) {
  html, body {
    height: auto;
    min-height: auto;
    overflow: auto;
  }
  body { padding: 0; }
  .shell {
    min-height: 100%;
    height: auto;
  }
  .layout {
    grid-template-columns: 1fr;
    height: auto;
    min-height: auto;
  }
  .panel {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .layout > .panel:first-child {
    border-top: 0;
  }
  .library-panel,
  .preview-panel,
  .inspector-panel { height: auto; }
  .preview-panel { position: static; }
  .library-panel > .panel-head,
  .preview-topbar,
  .inspector-topbar {
    padding: 12px;
  }
  .library-meta {
    padding: 10px 12px;
  }
  .library-section-row {
    padding: 0 12px 8px;
  }
  .skin-card {
    padding-inline: 12px;
  }
  .preview-stack,
  .inspector-scroll {
    padding-inline: 12px;
  }
  .inspector-topbar { position: static; }
  .two-col, .three-col, .color-grid { grid-template-columns: 1fr; }
  .startup-meta-grid { grid-template-columns: 1fr; }
  .startup-hero-wrap { justify-content: flex-start; }
  .inspector-section-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .inspector-section-nav,
  .preview-primary-row {
    width: 100%;
  }
  .preview-topbar,
  .modal-head,
  .create-mode-grid {
    grid-template-columns: 1fr;
  }
  .preview-topbar,
  .modal-head {
    display: grid;
  }
  .preview-header-spacer {
    display: none;
  }
  .preview-primary-row {
    justify-content: stretch;
  }
  .preview-action-button {
    flex: 1 1 0;
    width: auto;
  }
  .preview-empty-state,
  .inspector-empty-state {
    min-height: 220px;
  }
  .inspector-scroll { overflow: visible; }
  .preview-stack { min-height: auto; overflow: visible; }
  .inspector-scroll .two-col,
  .inspector-scroll .three-col,
  .inspector-scroll .color-grid,
  .inspector-scroll .compact-grid { grid-template-columns: 1fr; }
  .file-picker-name { white-space: normal; }
}