/* V17_LOCAL_FONTS_START */
@font-face { font-family:"PretendardVariable"; src:url("assets/fonts/PretendardVariable.woff2") format("woff2"); font-style:normal; font-weight:100 900; font-display:swap; }
@font-face { font-family:"KoPubBatang"; src:url("assets/fonts/KoPubBatang-Light.otf") format("opentype"), url("assets/fonts/KoPubBatang-Light.ttf") format("truetype"); font-style:normal; font-weight:300; font-display:swap; }
@font-face { font-family:"KoPubBatang"; src:url("assets/fonts/KoPubBatang-Medium.otf") format("opentype"), url("assets/fonts/KoPubBatang-Medium.ttf") format("truetype"); font-style:normal; font-weight:500; font-display:swap; }
@font-face { font-family:"KoPubBatang"; src:url("assets/fonts/KoPubBatang-Bold.otf") format("opentype"), url("assets/fonts/KoPubBatang-Bold.ttf") format("truetype"); font-style:normal; font-weight:700; font-display:swap; }
@font-face { font-family:"KoPubDotum"; src:url("assets/fonts/KoPubDotum-Light.otf") format("opentype"), url("assets/fonts/KoPubDotum-Light.ttf") format("truetype"); font-style:normal; font-weight:300; font-display:swap; }
@font-face { font-family:"KoPubDotum"; src:url("assets/fonts/KoPubDotum-Medium.otf") format("opentype"), url("assets/fonts/KoPubDotum-Medium.ttf") format("truetype"); font-style:normal; font-weight:500; font-display:swap; }
@font-face { font-family:"KoPubDotum"; src:url("assets/fonts/KoPubDotum-Bold.otf") format("opentype"), url("assets/fonts/KoPubDotum-Bold.ttf") format("truetype"); font-style:normal; font-weight:700; font-display:swap; }
@font-face { font-family:"ChosunSm"; src:url("assets/fonts/ChosunSm.ttf") format("truetype"), url("assets/fonts/ChosunSm.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunKm"; src:url("assets/fonts/ChosunKm.ttf") format("truetype"), url("assets/fonts/ChosunKm.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunKg"; src:url("assets/fonts/ChosunKg.ttf") format("truetype"), url("assets/fonts/ChosunKg.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunSg"; src:url("assets/fonts/ChosunSg.ttf") format("truetype"), url("assets/fonts/ChosunSg.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunBg"; src:url("assets/fonts/ChosunBg.ttf") format("truetype"), url("assets/fonts/ChosunBg.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunGu"; src:url("assets/fonts/ChosunGu.ttf") format("truetype"), url("assets/fonts/ChosunGu.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunLo"; src:url("assets/fonts/ChosunLo.ttf") format("truetype"), url("assets/fonts/ChosunLo.otf") format("opentype"); font-display:swap; }
@font-face { font-family:"ChosunGs"; src:url("assets/fonts/ChosunGs.ttf") format("truetype"), url("assets/fonts/ChosunGs.otf") format("opentype"); font-display:swap; }
/* V17_LOCAL_FONTS_END */

:root {
  color-scheme: dark;
  --bg: #0b0c0f;
  --panel: #14161b;
  --panel-2: #1a1d23;
  --panel-3: #22262e;
  --line: #30353e;
  --line-strong: #515965;
  --text: #f6f7f9;
  --muted: #a1a8b3;
  --accent: #ffe000;
  --accent-ink: #151515;
  --danger: #ff5b72;
  --success: #80e8ad;
  --radius: 14px;
  --shadow: 0 18px 52px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "KoPubDotum", "Malgun Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 12, 15, .94);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border: 2px solid #111;
  border-radius: 9px;
  background: var(--accent);
  color: #111;
  box-shadow: 3px 3px 0 #fff;
  font-family: "KoPubBatang", serif;
  font-size: 24px;
  font-weight: 700;
}
.eyebrow { margin: 0 0 3px; color: #d8cf00; font-size: 9px; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(18px, 3vw, 24px); line-height: 1; }
h2 { margin: 0; font-size: 17px; }
.top-actions { display: flex; align-items: center; gap: 7px; flex: none; }
.history-actions { display: flex; gap: 5px; }
.history-button { min-width: 0; padding-inline: 10px; }
.button:disabled,
.button[disabled] {
  opacity: .42;
  cursor: not-allowed;
  transform: none !important;
}
.button:disabled:hover,
.button[disabled]:hover {
  border-color: var(--line);
  background: transparent;
}

.button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-3);
  color: var(--text);
  padding: 9px 12px;
  cursor: pointer;
  transition: transform .14s ease, border-color .14s ease, background .14s ease;
}
.button:hover { border-color: var(--line-strong); background: #292e37; transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 800; }
.button-accent:hover { background: #ffeb3b; border-color: #ffeb3b; }
.button-ghost { background: transparent; }
.button-danger { border-color: #73313e; background: #31181e; color: #ffb9c4; }
.button-wide { width: 100%; }
.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel-3);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(360px, 430px) minmax(0, 1fr);
  grid-template-areas:
    "sentences workspace"
    "sentences toolbox";
  align-items: start;
  gap: 14px;
  width: min(1880px, 100%);
  margin: 0 auto;
  padding: 14px;
}
.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.sentence-panel {
  grid-area: sentences;
  position: sticky;
  top: 82px;
  max-height: calc(100vh - 96px);
  overflow: auto;
  padding: 14px;
}
.workspace { grid-area: workspace; overflow: hidden; }
.toolbox { grid-area: toolbox; overflow: visible; }
.panel-heading, .section-heading, .selected-element-head, .workspace-bar, .dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-heading { margin-bottom: 6px; }
.panel-kicker { display: block; margin-bottom: 4px; color: #d9d000; font-size: 9px; letter-spacing: .17em; }
.panel-note, .section-heading p, .microcopy, .canvas-help, .dialog-hint {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}
.split-heading { align-items: flex-start; }

.workspace-bar {
  min-height: 64px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: #111319;
}
.workspace-bar strong { display: block; font-size: 16px; }
.workspace-bar small { color: var(--muted); }
.workspace-actions { display: flex; align-items: center; gap: 9px; }
.switch-label, .check-row { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.status {
  padding: 6px 9px;
  border: 1px solid #36523f;
  border-radius: 999px;
  background: #16251c;
  color: #9ef0b5;
  font-size: 10px;
}
.canvas-stage {
  display: grid;
  place-items: center;
  min-height: 300px;
  max-height: min(68vh, 780px);
  padding: 18px;
  overflow: auto;
  background:
    linear-gradient(45deg, #1b1e24 25%, transparent 25%, transparent 75%, #1b1e24 75%),
    linear-gradient(45deg, #1b1e24 25%, #111318 25%, #111318 75%, #1b1e24 75%);
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
}
#posterCanvas {
  display: block;
  max-width: 100%;
  max-height: calc(68vh - 36px);
  width: auto;
  height: auto;
  background: #fff;
  box-shadow: 0 20px 58px rgba(0, 0, 0, .55);
  touch-action: none;
  cursor: default;
}
.canvas-help { margin: 0; padding: 9px 13px 12px; border-top: 1px solid var(--line); }

.tool-tabs {
  display: flex;
  gap: 5px;
  padding: 8px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: #101217;
}
.tool-tab {
  flex: 1 0 auto;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  cursor: pointer;
}
.tool-tab.active { border-color: #4d5562; background: #232730; color: #fff; font-weight: 800; }
.tool-pane { display: none; padding: 14px; }
.tool-pane.active { display: block; }
.section-heading { margin-bottom: 12px; }

.template-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.template-card {
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 12px;
  background: #0e1014;
  color: #fff;
  padding: 0;
  cursor: pointer;
  text-align: left;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.template-card:hover { border-color: #5a626f; transform: translateY(-2px); }
.template-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(255, 224, 0, .12); }
.template-thumb {
  position: static;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.template-meta {
  display: grid;
  gap: 3px;
  padding: 9px 10px 10px;
}
.template-meta strong { font-size: 12px; line-height: 1.25; }
.template-meta small { color: var(--muted); font-size: 9px; line-height: 1.3; }

.text-list { display: grid; gap: 9px; margin-top: 12px; }
.text-card {
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0f1116;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.text-card.active { border-color: #717a88; box-shadow: 0 0 0 2px rgba(255,255,255,.035); }
.text-card-head { display: grid; grid-template-columns: 30px minmax(0,1fr) auto; gap: 8px; align-items: start; padding: 9px; }
.drag-grip {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #7d8592;
  cursor: grab;
  user-select: none;
}
.text-input { min-height: 58px; resize: vertical; line-height: 1.45; }
.text-card-actions { display: flex; flex-direction: column; gap: 5px; }
.small-button {
  min-width: 34px;
  min-height: 29px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #22262e;
  color: #dce0e8;
  cursor: pointer;
  font-size: 11px;
}
.inline-text-controls { display: none; padding: 11px; border-top: 1px solid var(--line); background: #171a20; border-radius: 0 0 12px 12px; }
.text-card.active .inline-text-controls { display: block; }
.control-title { margin: 0 0 9px; color: #fff; font-size: 12px; font-weight: 800; }
.toggle-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.toggle-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f1116;
}
.unicode-row { display: grid; grid-template-columns: 1fr auto; gap: 6px; }
.range-color-box { margin-top: 10px; padding: 9px; border: 1px dashed #4a5260; border-radius: 10px; background: rgba(255,255,255,.018); }
.range-color-box p { margin: 0 0 7px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.inline-controls { display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 7px; border: 1px solid var(--line); border-radius: 999px; background: #0c0e12; font-size: 9px; }
.chip button { border: 0; background: transparent; color: #ff9bac; cursor: pointer; padding: 0; }

label, .field-label { color: #c5cad2; font-size: 11px; }
label { display: grid; gap: 6px; }
.field-label { display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0d11;
  color: var(--text);
  padding: 8px 9px;
  outline: none;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: #7b8493; box-shadow: 0 0 0 2px rgba(255,224,0,.08); }
input[type="range"] { padding: 0; accent-color: var(--accent); }
input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.field-grid { display: grid; gap: 9px; margin-top: 10px; }
.field-grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.field-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.field-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.field-grid.picker-expanded { grid-template-columns: minmax(0, 1fr) !important; }
.element-buttons { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 7px; }
.editor-card { margin-top: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: #0f1116; }
.editor-card.is-disabled { opacity: .42; pointer-events: none; }
.selected-element-head { padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.selected-element-head strong { display: block; }
.selected-element-head > span { padding: 5px 7px; border-radius: 7px; background: #252a32; color: var(--muted); font-size: 9px; }
.region-list { display: flex; flex-wrap: wrap; gap: 7px; }
.region-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #191c22;
  color: #d8dce4;
  cursor: pointer;
}
.region-chip.active { border-color: var(--accent); color: var(--accent); }
.region-dot { width: 10px; height: 10px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; }
.divider { height: 1px; margin: 14px 0; background: var(--line); }
.export-buttons { margin-top: 14px; }

/* Inline, immediately visible color picker */
.color-field-host { position: relative; min-width: 0; }
.color-field { position: relative; min-width: 0; }
.color-trigger {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0b0d11;
  color: #e8eaf0;
  padding: 6px 9px;
  cursor: pointer;
  text-align: left;
}
.color-trigger:hover { border-color: #5d6571; }
.color-swatch {
  width: 34px;
  height: 34px;
  flex: none;
  border: 2px solid rgba(255,255,255,.72);
  border-radius: 8px;
  background: repeating-conic-gradient(#aaa 0 25%, #555 0 50%) 50%/8px 8px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.55);
}
.color-trigger-copy { display: grid; gap: 2px; min-width: 0; }
.color-trigger-copy small { color: #858d99; font-size: 9px; }
.color-trigger-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.color-chevron { color: #87909d; transition: transform .15s ease; }
.color-field.open .color-chevron { transform: rotate(180deg); }
.color-popover {
  display: none;
  position: relative;
  z-index: 20;
  width: 100%;
  margin-top: 7px;
  padding: 14px;
  border: 1px solid #d4d6db;
  border-radius: 13px;
  background: #f7f7f8;
  color: #16171a;
  box-shadow: 0 18px 44px rgba(0,0,0,.35);
}
.color-field.open .color-popover { display: block; }
.color-picker-top {
  display: grid;
  grid-template-columns: 48px minmax(0,1fr) auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.color-preview {
  width: 48px;
  height: 48px;
  border: 1px solid #a8abb2;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.55);
}
.color-picker-top > div { display: grid; gap: 3px; min-width: 0; }
.color-picker-title { font-size: 13px; }
.color-picker-value { color: #666b74; font-size: 10px; }
.color-none-button {
  min-height: 34px;
  border: 1px solid #c6c9cf;
  border-radius: 8px;
  background: #fff;
  color: #202226;
  padding: 7px 10px;
  cursor: pointer;
}
.sv-plane {
  position: relative;
  width: 100%;
  height: clamp(150px, 24vw, 230px);
  overflow: hidden;
  border: 1px solid #b8bbc2;
  border-radius: 11px;
  cursor: crosshair;
  touch-action: none;
}
.sv-cursor {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 3px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 5px rgba(0,0,0,.72), inset 0 0 0 1px rgba(0,0,0,.35);
  pointer-events: none;
}
.hue-strip {
  position: relative;
  height: 25px;
  margin-top: 12px;
  border: 1px solid #babdc4;
  border-radius: 999px;
  background: linear-gradient(90deg, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
  cursor: ew-resize;
  touch-action: none;
}
.hue-cursor {
  position: absolute;
  top: 50%;
  width: 20px;
  height: 34px;
  border: 3px solid #fff;
  border-radius: 8px;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 6px rgba(0,0,0,.65), inset 0 0 0 1px rgba(0,0,0,.3);
  pointer-events: none;
}
.color-value-grid {
  display: grid;
  grid-template-columns: minmax(0,1.25fr) minmax(0,1fr) minmax(0,1fr);
  gap: 8px;
  margin-top: 12px;
}
.color-value-grid label { color: #666b74; font-size: 9px; }
.color-value-grid input {
  border-color: #c9ccd2;
  background: #fff;
  color: #15171a;
  font-weight: 700;
  text-transform: uppercase;
}
.color-readout {
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 54px;
  border: 1px solid #c9ccd2;
  border-radius: 8px;
  background: #fff;
  padding: 7px 9px;
}
.color-readout small { color: #777c85; font-size: 9px; }
.color-readout strong { color: #202226; font-size: 11px; word-break: break-word; }
.quick-swatches { display: grid; grid-template-columns: repeat(8, minmax(0,1fr)); gap: 5px; margin-top: 11px; }
.quick-swatch { aspect-ratio: 1; min-height: 24px; border: 1px solid rgba(0,0,0,.28); border-radius: 6px; cursor: pointer; }
.quick-swatch:hover { outline: 2px solid #111; outline-offset: 1px; }

.unicode-dialog {
  width: min(760px, calc(100% - 24px));
  max-height: min(760px, calc(100vh - 30px));
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: #11141a;
  color: #fff;
  box-shadow: 0 30px 100px rgba(0,0,0,.65);
  padding: 14px;
}
.unicode-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.unicode-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.codepoint-entry { display: grid; grid-template-columns: 1fr auto; gap: 6px; }
.unicode-categories { display: flex; flex-wrap: wrap; gap: 5px; margin: 11px 0; }
.category-button { border: 1px solid var(--line); border-radius: 999px; background: #20242d; color: #d9dde5; padding: 6px 9px; cursor: pointer; font-size: 10px; }
.category-button.active { border-color: var(--accent); color: var(--accent); }
.unicode-grid { display: grid; grid-template-columns: repeat(10, minmax(0,1fr)); gap: 5px; }
.unicode-button { aspect-ratio: 1; min-height: 45px; border: 1px solid var(--line); border-radius: 8px; background: #0c0e12; color: #fff; font-size: 21px; cursor: pointer; }
.unicode-button:hover { border-color: var(--accent); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 200;
  max-width: calc(100% - 30px);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  padding: 10px 14px;
  border: 1px solid #5b6370;
  border-radius: 999px;
  background: rgba(18,21,27,.96);
  color: #fff;
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  transition: opacity .2s ease, transform .2s ease;
  font-size: 12px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.hidden { display: none !important; }

@media (max-width: 1260px) {
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .element-buttons { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .field-grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .topbar { padding: 10px 12px; }
  .brand-mark { width: 37px; height: 37px; font-size: 21px; box-shadow: 3px 3px 0 #fff; }
  .eyebrow { display: none; }
  .top-actions .button-ghost:not(.history-button) { display: none; }
  .history-button span { display: none; }
  .history-button { width: 38px; padding-inline: 0; }
  .button { min-height: 36px; padding: 8px 10px; }
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "workspace"
      "sentences"
      "toolbox";
    gap: 10px;
    padding: 10px;
  }
  .sentence-panel { position: static; max-height: none; }
  .canvas-stage { min-height: 230px; max-height: 62vh; padding: 10px; }
  #posterCanvas { max-height: calc(62vh - 20px); }
  .workspace-bar { min-height: 58px; }
  .workspace-actions .status { display: none; }
  .tool-tabs { position: sticky; top: 68px; z-index: 30; }
  .template-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .unicode-grid { grid-template-columns: repeat(7, minmax(0,1fr)); }
  .sv-plane { height: 210px; }
}

@media (max-width: 600px) {
  .top-actions #exportPngBtn { display: none; }
  .panel, .text-card, .editor-card { border-radius: 11px; }
  .tool-pane { padding: 11px; }
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .field-grid.two, .field-grid.three, .field-grid.four { grid-template-columns: 1fr; }
  .element-buttons { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .unicode-tools { grid-template-columns: 1fr; }
  .unicode-grid { grid-template-columns: repeat(5, minmax(0,1fr)); }
  .text-card-head { grid-template-columns: 27px minmax(0,1fr) auto; padding: 7px; }
  .quick-swatches { grid-template-columns: repeat(6, minmax(0,1fr)); }
  .color-value-grid { grid-template-columns: 1fr 1fr; }
  .color-value-grid label { grid-column: 1 / -1; }
  .color-picker-top { grid-template-columns: 42px minmax(0,1fr); }
  .color-preview { width: 42px; height: 42px; }
  .color-none-button { grid-column: 1 / -1; }
  .sv-plane { height: 190px; }
}

/* v5 visual polish: larger template previews and an inline system-style picker */
.template-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.template-card {
  border-width: 1px;
  border-color: #343b46;
  border-radius: 14px;
  background: #0b0e13;
  box-shadow: 0 8px 22px rgba(0,0,0,.16);
}
.template-card:hover {
  border-color: #6b7481;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.22);
}
.template-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255,229,0,.18), 0 12px 28px rgba(0,0,0,.22);
}
.template-thumb {
  border-bottom: 1px solid #2e3540;
}
.template-card > .template-meta {
  display: grid;
  gap: 4px;
  padding: 10px 11px 11px;
  background: #11151c;
  text-align: left;
}
.template-meta strong {
  display: block;
  color: #f7f8fa;
  font-size: 12px;
  line-height: 1.25;
}
.template-meta small {
  display: block;
  overflow: hidden;
  color: #99a2af;
  font-size: 9.5px;
  font-weight: 500;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.field-grid.picker-expanded {
  grid-template-columns: minmax(0, 1fr) !important;
}
.color-field.open {
  z-index: 70;
}
.color-popover {
  color-scheme: light;
  padding: 16px;
  border: 1px solid #d8d9d4;
  border-radius: 16px;
  background: #f8f8f4;
  color: #171817;
  box-shadow: 0 22px 56px rgba(0,0,0,.38);
}
.color-picker-top {
  grid-template-columns: 58px minmax(0,1fr) auto;
  gap: 12px;
  margin-bottom: 14px;
}
.color-preview {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(0,0,0,.22);
  border-radius: 13px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.45);
}
.color-picker-title {
  color: #151615;
  font-size: 14px;
}
.color-picker-value {
  color: #6e716e;
  font-size: 11px;
  letter-spacing: .02em;
}
.color-none-button,
.color-copy-button {
  min-height: 38px;
  border: 1px solid #cbccc7;
  border-radius: 9px;
  background: #ffffff;
  color: #232523;
  padding: 8px 11px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.color-none-button:hover,
.color-copy-button:hover {
  border-color: #9b9d98;
  background: #f0f0ec;
}
.sv-plane {
  height: 220px;
  border-color: rgba(0,0,0,.22);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.hue-strip {
  height: 22px;
  margin-top: 12px;
  border-color: rgba(0,0,0,.20);
}
.color-value-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 13px;
}
.color-value-grid .color-hex-field {
  grid-column: 1 / -1;
  display: grid;
  gap: 6px;
  color: #4d504d;
  font-size: 10px;
}
.color-hex-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px;
}
.color-popover .color-hex {
  min-height: 42px;
  border: 1px solid #d0d1cc;
  border-radius: 9px;
  background: #ffffff;
  color: #171817;
  padding: 9px 11px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  outline: none;
}
.color-popover .color-hex:focus {
  border-color: #171817;
  box-shadow: 0 0 0 2px rgba(0,0,0,.08);
}
.color-readout {
  min-height: 56px;
  border-color: #d5d6d1;
  border-radius: 10px;
  background: #ffffff;
  color: #171817;
  padding: 9px 11px;
}
.color-readout small {
  color: #777a77;
  font-size: 9px;
}
.color-readout strong {
  color: #222422;
  font-size: 11px;
  white-space: normal;
}
.quick-swatches {
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 7px;
  margin-top: 12px;
}
.quick-swatch {
  min-height: 40px;
  border-color: rgba(0,0,0,.22);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.quick-swatch:hover {
  outline: 2px solid #171817;
  outline-offset: 1px;
}

@media (max-width: 1260px) {
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sv-plane { height: 190px; }
}
@media (max-width: 600px) {
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
  .template-card > .template-meta { padding: 8px 8px 9px; }
  .template-meta strong { font-size: 10.5px; }
  .template-meta small { font-size: 8.5px; }
  .color-popover { padding: 12px; border-radius: 13px; }
  .color-picker-top { grid-template-columns: 46px minmax(0,1fr) auto; gap: 9px; }
  .color-preview { width: 46px; height: 46px; border-radius: 10px; }
  .sv-plane { height: 170px; }
  .color-value-grid { grid-template-columns: 1fr; }
  .color-value-grid .color-hex-field { grid-column: auto; }
  .quick-swatches { grid-template-columns: repeat(4, minmax(0,1fr)); }
}


/* v7 interaction and control cleanup */
.button-compact { min-height: 32px; padding: 6px 10px; font-size: 10px; }
.editor-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 11px;
  padding: 9px;
  border: 1px solid #353b45;
  border-radius: 10px;
  background: #141820;
}
.gesture-hint { color: #969eaa; font-size: 9px; line-height: 1.4; text-align: right; }
.advanced-details {
  margin-top: 10px;
  border: 1px solid #303640;
  border-radius: 10px;
  background: #0c0f14;
  overflow: hidden;
}
.advanced-details summary {
  padding: 9px 11px;
  color: #c9ced7;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}
.advanced-details[open] summary { border-bottom: 1px solid #303640; }
.advanced-details > .field-grid { padding: 0 10px 10px; }
.segmented-field { display: grid; align-content: start; gap: 6px; min-width: 0; }
.segmented-control {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 3px;
  border: 1px solid #343a44;
  border-radius: 10px;
  background: #0a0c10;
}
.segmented-control button {
  min-width: 0;
  min-height: 34px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #9199a6;
  padding: 7px 8px;
  cursor: pointer;
  font-size: 10px;
  line-height: 1.2;
}
.segmented-control button:hover { color: #eef0f4; background: #1b2028; }
.segmented-control button.active {
  background: #eceff3;
  color: #111318;
  box-shadow: 0 1px 0 rgba(255,255,255,.2), 0 4px 12px rgba(0,0,0,.24);
  font-weight: 800;
}
.segmented-control.compact { width: min(340px, 100%); }
.band-add-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 9px;
  padding: 9px;
  border: 1px solid #333944;
  border-radius: 10px;
  background: #11151c;
}
.band-add-row .field-label { margin: 0; white-space: nowrap; }
.band-scope-editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, .8fr);
  gap: 9px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #424956;
  border-radius: 10px;
  background: #181d25;
}
.auto-compose-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: end;
  gap: 9px;
  margin-bottom: 10px;
  padding: 9px;
  border: 1px solid #3b424d;
  border-radius: 10px;
  background: #11151b;
}
.auto-compose-copy { color: #969eaa; font-size: 9px; line-height: 1.45; }
.text-card[data-auto="true"] .drag-grip::after {
  content: "AUTO";
  display: block;
  margin-top: 3px;
  color: #d9d000;
  font-size: 6px;
  letter-spacing: .08em;
}
.text-card[data-auto="false"] .drag-grip::after {
  content: "EDIT";
  display: block;
  margin-top: 3px;
  color: #8e96a3;
  font-size: 6px;
  letter-spacing: .08em;
}
.transform-active { border-color: #ffe000 !important; }

@media (max-width: 900px) {
  .workspace-actions { gap: 5px; }
  .workspace-actions .button-compact { display: inline-flex; }
  .band-scope-editor { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .editor-action-row, .band-add-row { align-items: stretch; flex-direction: column; }
  .gesture-hint { text-align: left; }
  .segmented-control button { min-height: 38px; font-size: 10px; }
  .workspace-bar { align-items: flex-start; }
  .workspace-actions { flex-wrap: wrap; justify-content: flex-end; }
}

/* v7.1 layout, band and transform refinements */
.panel-heading-actions,
.selected-head-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  min-width: 0;
}
.selected-head-actions > span {
  padding: 5px 7px;
  border-radius: 7px;
  background: #252a32;
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}
.text-style-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
}
.text-style-heading .control-title { margin: 0; }
.text-style-heading .segmented-control { flex: 0 1 240px; }
.band-controls {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #3b424d;
  border-radius: 10px;
  background: #141920;
}
.band-controls .microcopy { margin-top: 8px; }
.gesture-hint {
  margin: 8px 0 0;
  padding: 7px 9px;
  border-left: 3px solid #535b67;
  background: #11151b;
  color: #99a1ad;
  font-size: 9px;
  line-height: 1.45;
  text-align: left;
}
#posterCanvas { cursor: crosshair; }
.editor-card.transform-active {
  border-color: #ffe000;
  box-shadow: 0 0 0 2px rgba(255,224,0,.12);
}
.editor-card.transform-active .gesture-hint {
  border-left-color: #ffe000;
  color: #e9e2a0;
}
input:disabled,
select:disabled {
  opacity: .52;
  cursor: not-allowed;
}

.numeric-stepper {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.numeric-stepper-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #c5cad2;
  font-size: 11px;
}
.numeric-stepper-body {
  display: grid;
  grid-template-columns: 34px minmax(62px, .75fr) 34px;
  gap: 6px;
  align-items: center;
}
.numeric-stepper-body .numeric-direct-input {
  text-align: center;
  font-weight: 800;
}
.numeric-stepper .step-button {
  min-height: 34px;
  border: 1px solid #3a414c;
  border-radius: 8px;
  background: #11151b;
  color: #f1f3f7;
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}
.numeric-stepper .step-button:hover { border-color: #ffe000; color: #ffe000; }
.numeric-stepper input[type="range"] { margin-top: 2px; }

@media (max-width: 900px) {
  .panel-heading-actions { flex-wrap: wrap; }
  .text-style-heading { align-items: stretch; flex-direction: column; }
  .text-style-heading .segmented-control { flex-basis: auto; width: 100%; }
  .selected-head-actions { flex-direction: column; align-items: flex-end; gap: 5px; }
}

@media (max-width: 600px) {
  .panel-heading { align-items: flex-start; }
  .panel-heading-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .panel-heading-actions .button { min-width: 0; padding-inline: 7px; }
  .selected-element-head { align-items: flex-start; }
  .selected-head-actions { align-items: stretch; }
  .selected-head-actions > span { text-align: center; }
}

/* v7.2 compact per-sentence editor */
.text-settings-details {
  margin-top: 9px;
  border: 1px solid #343a44;
  border-radius: 10px;
  background: #10141a;
  overflow: visible;
}
.text-settings-details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  padding: 9px 11px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  color: #e5e8ed;
  font-size: 10px;
  font-weight: 800;
}
.text-settings-details > summary::-webkit-details-marker { display: none; }
.text-settings-details > summary::after {
  content: "+";
  flex: 0 0 auto;
  color: #ffe000;
  font-size: 15px;
  line-height: 1;
}
.text-settings-details[open] > summary::after { content: "−"; }
.text-settings-details > summary small {
  min-width: 0;
  overflow: hidden;
  color: #8f98a5;
  font-size: 8px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-settings-details[open] > summary {
  border-bottom: 1px solid #303640;
  background: #151a21;
}
.text-settings-body { padding: 10px; }
.text-settings-body > :first-child { margin-top: 0; }
.text-settings-body > :last-child { margin-bottom: 0; }

@media (max-width: 600px) {
  .text-settings-details > summary {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .text-settings-details > summary small {
    order: 3;
    flex-basis: calc(100% - 22px);
    white-space: normal;
  }
  .text-settings-body { padding: 8px; }
}


/* v8 history and font-size controls */
@media (max-width: 420px) {
  .topbar { padding-inline: 10px; gap: 8px; }
  .history-actions { gap: 3px; }
  .top-actions { gap: 4px; }
  .top-actions #exportPngBtn { display: none; }
  .numeric-stepper-body { grid-template-columns: 36px minmax(72px, 1fr) 36px; }
}


/* v9 unified numeric controls */
.numeric-usage-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 9px 0 13px;
  padding: 8px 10px;
  border: 1px solid #303640;
  border-radius: 10px;
  background: #11151b;
  color: #9da5b1;
  font-size: 9px;
  line-height: 1.35;
}
.numeric-usage-note strong { color: #f2f4f7; margin-right: 2px; }
.numeric-usage-note span {
  padding: 3px 6px;
  border: 1px solid #3a414b;
  border-radius: 999px;
  background: #181d24;
}
.numeric-bridge-input { display: none !important; }
.numeric-field,
.static-numeric-field {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.static-numeric-field { margin-top: 1px; }
.numeric-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #c5cad2;
  font-size: 11px;
}
.numeric-field-head-right {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}
.numeric-field-head-right b {
  overflow: hidden;
  color: #f0f2f6;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.numeric-control-row,
.numeric-stepper-body {
  display: grid;
  grid-template-columns: 36px minmax(64px, 1fr) 36px;
  gap: 6px;
  align-items: center;
}
.static-numeric-row { grid-template-columns: 36px minmax(64px, 1fr) 36px 78px; }
.numeric-direct-input {
  min-width: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}
.numeric-field .step-button,
.static-numeric-field .step-button,
.numeric-reset-button {
  min-height: 36px;
  border: 1px solid #3a414c;
  border-radius: 8px;
  background: #11151b;
  color: #f1f3f7;
  cursor: pointer;
  line-height: 1;
}
.numeric-field .step-button,
.static-numeric-field .step-button {
  padding: 0;
  font-size: 18px;
  font-weight: 900;
}
.numeric-reset-button {
  min-width: 74px;
  padding: 0 8px;
  color: #cbd1da;
  font-size: 9px;
  font-weight: 850;
}
.numeric-reset-button:hover:not(:disabled),
.numeric-field .step-button:hover:not(:disabled),
.static-numeric-field .step-button:hover:not(:disabled) {
  border-color: #ffe000;
  color: #ffe000;
}
.numeric-reset-button:disabled,
.numeric-field button:disabled,
.static-numeric-field button:disabled {
  opacity: .34;
  cursor: default;
}
.numeric-range-input {
  --range-progress: 50%;
  width: 100%;
  min-height: 28px;
  margin: 0;
  direction: ltr;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
}
.numeric-range-input::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, #ffe000 0 var(--range-progress), #353b45 var(--range-progress) 100%);
}
.numeric-range-input::-webkit-slider-thumb {
  width: 20px;
  height: 20px;
  margin-top: -7px;
  border: 2px solid #111318;
  border-radius: 50%;
  background: #ffe000;
  box-shadow: 0 0 0 2px rgba(255, 224, 0, .22);
  appearance: none;
  -webkit-appearance: none;
}
.numeric-range-input::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: #353b45;
}
.numeric-range-input::-moz-range-progress {
  height: 6px;
  border-radius: 999px;
  background: #ffe000;
}
.numeric-range-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 2px solid #111318;
  border-radius: 50%;
  background: #ffe000;
}
.numeric-range-input:disabled { cursor: not-allowed; opacity: .42; }

@media (max-width: 600px) {
  .numeric-control-row,
  .numeric-stepper-body { grid-template-columns: 42px minmax(68px, 1fr) 42px; }
  .static-numeric-row { grid-template-columns: 42px minmax(68px, 1fr) 42px 82px; }
  .numeric-field .step-button,
  .static-numeric-field .step-button,
  .numeric-reset-button { min-height: 42px; }
  .numeric-usage-note { margin-top: 7px; }
}


/* v9 numeric pairing and reversible region layout */
.region-layout-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  margin: 10px 0 12px;
  padding: 11px;
  border: 1px solid #353c47;
  border-radius: 12px;
  background: #11161d;
}
.region-layout-control { min-width: 0; }
.region-layout-control > label { margin: 0; }
.region-layout-toolbar > .button { min-height: 38px; white-space: nowrap; }
.region-chip.detached { border-style: dashed; }
.region-chip-state {
  margin-left: 2px;
  padding: 2px 5px;
  border-radius: 999px;
  background: #303640;
  color: #aeb5c0;
  font-size: 7px;
  letter-spacing: .04em;
}

.numeric-pair-field,
.numeric-control {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.numeric-pair-row,
.numeric-entry-row {
  display: grid;
  grid-template-columns: minmax(72px, 1fr) auto;
  align-items: center;
  gap: 6px;
}
.numeric-entry-row.with-stepper {
  grid-template-columns: 34px minmax(72px, 1fr) 34px auto;
}
.numeric-pair-row input[type="number"],
.numeric-entry-row input[type="text"],
.numeric-entry-row input[type="number"] {
  min-width: 0;
  text-align: center;
  font-weight: 800;
}
.numeric-reset-button {
  min-width: 46px;
  min-height: 34px;
  border: 1px solid #3a414c;
  border-radius: 8px;
  background: #11151b;
  color: #b9c0ca;
  padding: 0 8px;
  cursor: pointer;
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}
.numeric-reset-button:hover { border-color: #ffe000; color: #ffe000; }
.numeric-reset-button:disabled { opacity: .42; cursor: not-allowed; }
.numeric-control-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #c5cad2;
  font-size: 11px;
}
.numeric-control-head > div {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.numeric-control-head b { color: #f1f3f7; }
.numeric-control > input[type="range"],
.numeric-pair-field > input[type="range"] {
  --range-progress: 50%;
  width: 100%;
  min-height: 20px;
  direction: ltr;
  background: linear-gradient(to right, #ffe000 0 var(--range-progress), #353b45 var(--range-progress) 100%);
  border: 0;
  border-radius: 999px;
  accent-color: #ffe000;
}
.numeric-control > input[type="range"]::-webkit-slider-runnable-track,
.numeric-pair-field > input[type="range"]::-webkit-slider-runnable-track {
  height: 5px;
  background: transparent;
  border-radius: 999px;
}
.numeric-control > input[type="range"]::-moz-range-track,
.numeric-pair-field > input[type="range"]::-moz-range-track {
  height: 5px;
  background: transparent;
  border-radius: 999px;
}
.numeric-grid { align-items: start; }

@media (max-width: 700px) {
  .region-layout-toolbar { grid-template-columns: 1fr; align-items: stretch; }
  .region-layout-toolbar > .button { width: 100%; }
  .numeric-entry-row.with-stepper { grid-template-columns: 36px minmax(68px, 1fr) 36px auto; }
}


/* v10: explicit flat-effect rules and fully reversible numeric controls */
.effect-rule-note {
  margin: 7px 0 0;
  padding: 7px 9px;
  border-left: 3px solid #ffe000;
  background: #11151b;
  color: #aeb5c0;
  font-size: 9px;
  line-height: 1.45;
}
.effect-rule-note b { color: #f2f4f7; }
.effect-rule-note.compact { margin: 0 0 8px; }
.numeric-direct-input { font-family: inherit; }
.region-chip-state { flex: none; }
@media (max-width: 600px) {
  .effect-rule-note { font-size: 8px; }
}


/* v12: denser tabloid-layout presentation */
.template-card { border-radius: 8px; }
.template-thumb { border-radius: 3px; }
.template-meta strong { letter-spacing: -.02em; }
.canvas-stage { background-color: #0a0b0e; }
.text-card { border-radius: 9px; }
.text-input { line-height: 1.38; }
.region-chip, .element-chip { border-radius: 7px; }
@media (min-width: 1100px) {
  .template-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* v16 reference-led editor refresh */


:root {
  --surface-input: #0b0d11;
  --surface-soft: #11151b;
  --surface-raised: #181c23;
  --range-rest: #353b45;
  --range-active: #ffe000;
}
body[data-theme="light"] {
  color-scheme: light;
  --bg: #eef0f3;
  --panel: #ffffff;
  --panel-2: #f5f6f8;
  --panel-3: #e8ebef;
  --line: #d4d8df;
  --line-strong: #aab1bc;
  --text: #17191d;
  --muted: #66707d;
  --accent: #ffd800;
  --accent-ink: #111111;
  --danger: #cf2946;
  --success: #177b4a;
  --surface-input: #ffffff;
  --surface-soft: #f5f6f8;
  --surface-raised: #eceff3;
  --range-rest: #cdd2da;
  --range-active: #e6b900;
  --shadow: 0 16px 45px rgba(35, 42, 52, .12);
}
body[data-theme="light"] .topbar { background: rgba(248,249,251,.94); }
body[data-theme="light"] .workspace-bar,
body[data-theme="light"] .tool-tabs,
body[data-theme="light"] .template-card > .template-meta,
body[data-theme="light"] .text-card,
body[data-theme="light"] .inline-text-controls,
body[data-theme="light"] .text-settings-details,
body[data-theme="light"] .text-settings-details[open] > summary,
body[data-theme="light"] .editor-card,
body[data-theme="light"] .advanced-details,
body[data-theme="light"] .region-layout-toolbar,
body[data-theme="light"] .effect-rule-note,
body[data-theme="light"] .range-color-box,
body[data-theme="light"] .palette-primary-card,
body[data-theme="light"] .optional-palette-card,
body[data-theme="light"] .artboard-card,
body[data-theme="light"] .effect-editor,
body[data-theme="light"] .clip-editor { background: var(--surface-soft); }
body[data-theme="light"] input,
body[data-theme="light"] select,
body[data-theme="light"] textarea,
body[data-theme="light"] .color-trigger,
body[data-theme="light"] .segmented-control,
body[data-theme="light"] .toggle-row label,
body[data-theme="light"] .numeric-field .step-button,
body[data-theme="light"] .static-numeric-field .step-button,
body[data-theme="light"] .numeric-reset-button,
body[data-theme="light"] .numeric-direct-input { background: var(--surface-input); color: var(--text); }
body[data-theme="light"] .template-meta strong,
body[data-theme="light"] .control-title,
body[data-theme="light"] .text-settings-details > summary,
body[data-theme="light"] .selected-element-head strong { color: var(--text); }
body[data-theme="light"] .template-card { background: #fff; }
body[data-theme="light"] .tool-tab.active { background: #fff; color: #111; }
body[data-theme="light"] .canvas-stage { background-color: #1b1f25; }

.theme-toggle { display: inline-flex; align-items: center; gap: 6px; }
.preview-zoom {
  display: grid;
  grid-template-columns: 32px minmax(54px, auto) 32px;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-input);
}
.preview-zoom button {
  min-height: 32px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.preview-zoom button:hover { background: var(--panel-3); }
.zoom-readout { padding: 0 8px; border-inline: 1px solid var(--line) !important; font-size: 10px; font-weight: 800; }
.icon-text-button { font-size: 18px; font-weight: 900; }

.palette-editor {
  display: grid;
  grid-template-columns: minmax(260px, 1.15fr) repeat(2, minmax(210px, .85fr));
  gap: 10px;
  align-items: start;
  margin-top: 12px;
}
.palette-primary-card,
.optional-palette-card,
.artboard-card,
.effect-editor,
.clip-editor {
  min-width: 0;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}
.optional-palette-card.is-disabled { opacity: .58; }
.optional-palette-card.is-disabled > .color-field-host { pointer-events: none; }
.option-card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.option-card-head .field-label { margin: 0; }
.option-card-head .segmented-control { width: 126px; flex: none; }
.neutral-options { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 8px 0; }
.neutral-options label { display: flex; align-items: center; gap: 6px; min-height: 32px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-input); }
.neutral-options input { flex: none; }

.region-layout-toolbar {
  grid-template-columns: minmax(0,1fr) auto;
  align-items: end;
  gap: 10px;
}
.layout-spacing-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 9px; }
.region-layout-actions { display: grid; grid-template-columns: 1fr; gap: 7px; min-width: 150px; }
.region-layout-toolbar > .microcopy { grid-column: 1 / -1; margin: 0; }

.effect-editor { margin-top: 10px; }
.multi-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 6px;
}
.multi-toggle button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  color: var(--muted);
  cursor: pointer;
  padding: 7px 8px;
}
.multi-toggle button.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-input));
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
  font-weight: 800;
}
.conditional-section.is-hidden { display: none !important; }
.clip-editor { display: grid; grid-template-columns: minmax(0,1fr) minmax(190px,.7fr); gap: 9px; align-items: end; margin-top: 10px; }
.artboard-card { margin-bottom: 10px; }

/* Denser, clearer sentence editor */
.inline-text-controls {
  padding: 10px;
  background: var(--surface-raised);
}
.text-style-heading {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(210px,.8fr);
  align-items: center;
  gap: 10px;
}
.text-style-heading .control-title { margin: 0; }
.text-settings-details { border-radius: 12px; background: var(--surface-soft); }
.text-settings-body { display: grid; gap: 10px; padding: 10px; }
.text-settings-body > .field-grid { margin: 0; }
.text-settings-body .field-grid.three { grid-template-columns: repeat(3, minmax(150px,1fr)); }
.text-settings-body .field-grid.two { grid-template-columns: repeat(2, minmax(180px,1fr)); }
.text-settings-body .toggle-row { margin: 0; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-input); }
.text-settings-body .range-color-box { margin: 0; }
.text-settings-section {
  display: grid;
  gap: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface-input) 78%, transparent);
}
.text-settings-section > .section-mini-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.section-mini-head strong { font-size: 11px; }
.section-mini-head small { color: var(--muted); font-size: 8px; }
.text-effect-stack { margin-top: 0; }
.text-range-background-box { border-style: solid; }
.text-bg-options { display: grid; gap: 9px; }

/* Numeric controls: visible progress, compact reset icon, no overflow */
.numeric-field,
.static-numeric-field { min-width: 0; overflow: visible; }
.numeric-control-row,
.numeric-stepper-body,
.static-numeric-row { min-width: 0; }
.numeric-reset-button {
  width: 36px;
  min-width: 36px;
  padding: 0;
  font-size: 15px;
  overflow: hidden;
  white-space: nowrap;
}
.static-numeric-row { grid-template-columns: 36px minmax(54px,1fr) 36px 36px; }
.numeric-range-input::-webkit-slider-runnable-track {
  background: linear-gradient(to right, var(--range-active) 0 var(--range-progress), var(--range-rest) var(--range-progress) 100%);
}
.numeric-range-input::-moz-range-track { background: var(--range-rest); }
.numeric-range-input::-moz-range-progress { background: var(--range-active); }

/* Region guide toggle is visually obvious */
.region-view-toggle {
  min-height: 34px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  white-space: nowrap;
}
.region-view-toggle:has(input:checked) { border-color: var(--accent); color: var(--accent); }

.element-buttons { grid-template-columns: repeat(5, minmax(0,1fr)); }
.canvas-stage { overscroll-behavior: contain; }
#posterCanvas { transform-origin: top left; max-width: none; max-height: none; }

@media (max-width: 1260px) {
  .palette-editor { grid-template-columns: 1fr 1fr; }
  .palette-primary-card { grid-row: span 2; }
  .element-buttons { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .text-settings-body .field-grid.three { grid-template-columns: repeat(2, minmax(160px,1fr)); }
}
@media (max-width: 980px) {
  .workspace-actions { flex-wrap: wrap; justify-content: flex-end; }
  .palette-editor { grid-template-columns: 1fr; }
  .palette-primary-card { grid-row: auto; }
  .layout-spacing-grid { grid-template-columns: 1fr; }
  .region-layout-toolbar { grid-template-columns: 1fr; align-items: stretch; }
  .region-layout-actions { grid-template-columns: 1fr 1fr; }
  .clip-editor { grid-template-columns: 1fr; }
  .text-settings-body .field-grid.three,
  .text-settings-body .field-grid.two { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .topbar { align-items: flex-start; }
  .top-actions { flex-wrap: wrap; justify-content: flex-end; }
  .theme-toggle span:last-child { display: none; }
  .workspace-bar { display: grid; grid-template-columns: 1fr; }
  .workspace-actions { justify-content: flex-start; width: 100%; }
  .preview-zoom { flex: 0 0 auto; }
  .text-style-heading { grid-template-columns: 1fr; }
  .text-settings-body { padding: 8px; }
  .layout-spacing-grid { grid-template-columns: 1fr; }
  .region-layout-actions { grid-template-columns: 1fr; }
  .multi-toggle { grid-template-columns: 1fr 1fr 1fr; }
  .element-buttons { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .neutral-options { grid-template-columns: 1fr; }
  .static-numeric-row { grid-template-columns: 42px minmax(54px,1fr) 42px 42px; }
}
@media (max-width: 420px) {
  .workspace-actions { gap: 5px; }
  .region-view-toggle { font-size: 9px; }
  .zoom-readout { min-width: 48px; }
  .text-card-head { grid-template-columns: 24px minmax(0,1fr) 32px; gap: 6px; }
  .text-card-actions .small-button { min-width: 30px; }
  .option-card-head { align-items: stretch; flex-direction: column; }
  .option-card-head .segmented-control { width: 100%; }
}

/* v16 compact contextual sentence controls */
.collapsible-settings { padding: 0; overflow: hidden; }
.collapsible-settings > summary {
  min-height: 42px;
  padding: 9px 10px;
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 8px;
}
.collapsible-settings > summary::-webkit-details-marker { display: none; }
.collapsible-settings > summary::after { content: "＋"; color: var(--muted); font-size: 15px; font-weight: 800; }
.collapsible-settings[open] > summary::after { content: "−"; }
.collapsible-settings > summary small { grid-column: 1; line-height: 1.35; }
.collapsible-settings[open] > summary { border-bottom: 1px solid var(--line); }
.collapsible-settings > :not(summary) { margin: 9px 10px; }
.text-settings-section-head strong { font-size: 11px; letter-spacing: -.01em; }
.text-settings-section-head small { color: var(--muted); font-size: 8px; }


/* v17 stable text layout */
.text-mode-tools {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto;
  gap: 7px;
  align-items: center;
  min-width: 0;
}
.text-manual-reset {
  min-height: 38px;
  padding: 7px 10px;
  white-space: nowrap;
  font-size: 10px;
}
.text-manual-reset:disabled { display: none; }
.text-card[data-auto="false"] { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.text-card[data-auto="false"] .text-style-heading::after {
  content: "수동 고정됨";
  justify-self: start;
  padding: 3px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  font-size: 8px;
  font-weight: 800;
}
@media (max-width: 760px) {
  .text-mode-tools { grid-template-columns: 1fr; }
  .text-manual-reset { width: 100%; }
}


/* v21: Notion-like readability and white light-mode controls */
body{font-family:"PretendardVariable","KoPubDotum",sans-serif;font-size:14px;line-height:1.5;letter-spacing:-.01em}
.panel{box-shadow:0 1px 2px rgba(0,0,0,.08),0 10px 30px rgba(0,0,0,.08)}
.panel-note,.section-heading p,.microcopy,.canvas-help,.dialog-hint{font-size:12px;line-height:1.6}
label,.field-label{font-size:12px;line-height:1.35}
.button,.small-button,.tool-tab,.segmented-control button,.multi-toggle button{font-weight:650}
body[data-theme="light"]{--bg:#f7f7f5;--panel:#fff;--panel-2:#fbfbfa;--panel-3:#fff;--surface-input:#fff;--surface-soft:#f7f7f5;--surface-raised:#fbfbfa;--line:#e3e3df;--line-strong:#c7c7c2;--text:#2f3437;--muted:#6f767d;--shadow:0 1px 2px rgba(15,15,15,.05),0 8px 24px rgba(15,15,15,.06)}
body[data-theme="light"] .topbar{background:rgba(255,255,255,.95)}
body[data-theme="light"] .workspace-bar,body[data-theme="light"] .tool-tabs,body[data-theme="light"] .text-card,body[data-theme="light"] .inline-text-controls,body[data-theme="light"] .editor-card,body[data-theme="light"] .advanced-details,body[data-theme="light"] .region-layout-toolbar,body[data-theme="light"] .effect-rule-note,body[data-theme="light"] .range-color-box,body[data-theme="light"] .palette-primary-card,body[data-theme="light"] .optional-palette-card,body[data-theme="light"] .artboard-card,body[data-theme="light"] .effect-editor,body[data-theme="light"] .clip-editor{background:#fff}
body[data-theme="light"] .button,body[data-theme="light"] .small-button,body[data-theme="light"] .icon-button,body[data-theme="light"] .icon-text-button,body[data-theme="light"] .zoom-readout,body[data-theme="light"] .step-button,body[data-theme="light"] .numeric-reset-button,body[data-theme="light"] .tool-tab,body[data-theme="light"] .segmented-control button,body[data-theme="light"] .multi-toggle button,body[data-theme="light"] .element-buttons .button,body[data-theme="light"] .region-layout-actions .button,body[data-theme="light"] .selected-head-actions button,body[data-theme="light"] .text-card-actions button{background:#fff!important;color:#2f3437!important;border-color:#deded9!important;box-shadow:none!important}
body[data-theme="light"] .button:hover,body[data-theme="light"] .small-button:hover,body[data-theme="light"] .tool-tab:hover,body[data-theme="light"] .segmented-control button:hover,body[data-theme="light"] .multi-toggle button:hover{background:#f4f4f2!important;border-color:#c9c9c4!important}
body[data-theme="light"] .button-accent,body[data-theme="light"] .segmented-control button.active,body[data-theme="light"] .multi-toggle button.active,body[data-theme="light"] .tool-tab.active{background:#f1f1ef!important;color:#1f2326!important;border-color:#bdbdb7!important}
body[data-theme="light"] .button-danger{color:#b4233c!important;border-color:#e5b6bf!important}
body[data-theme="light"] .drag-grip{background:#fff;color:#8b8f94}
body[data-theme="light"] .template-card{border-color:#e2e2de}
body[data-theme="light"] .template-card.active{border-color:#8f8f89;box-shadow:0 0 0 2px rgba(47,52,55,.08)}
body[data-theme="light"] .panel-kicker,body[data-theme="light"] .eyebrow{color:#8a7600}
@media(max-width:700px){.button,.small-button,.tool-tab,.segmented-control button,.multi-toggle button{min-height:40px}.text-card-actions{gap:7px}.text-card-actions .small-button{min-width:38px;min-height:36px}}


/* v24: 터치 장치에서 슬라이더 손잡이 드래그를 안정적으로 유지 */
input[type="range"] { touch-action: none; }


/* v25: compact two-column editors and thumb-only touch sliders */
.numeric-legacy-readout{display:none!important}
.numeric-enhanced-label{display:block!important;min-width:0}
.numeric-field,.static-numeric-field{display:grid;gap:3px;min-width:0;width:100%}
.numeric-inline-row{display:grid;grid-template-columns:minmax(72px,1fr) 32px minmax(54px,72px) 32px 32px;align-items:center;gap:5px;min-width:0}
.numeric-inline-label{min-width:0;overflow:hidden;color:var(--muted);font-size:10px;font-weight:700;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}
.numeric-inline-row .step-button,.numeric-inline-row .numeric-reset-button{width:32px;min-width:32px;min-height:30px;height:30px;padding:0;border-radius:7px;font-size:15px}
.numeric-inline-row .numeric-direct-input{height:30px;min-height:30px;padding:4px 5px;font-size:11px;line-height:1;text-align:center}
.numeric-range-input{width:min(100%,320px);min-height:20px;height:20px;margin:0;justify-self:stretch}
.numeric-range-input::-webkit-slider-runnable-track{height:4px}
.numeric-range-input::-webkit-slider-thumb{width:18px;height:18px;margin-top:-7px}
.numeric-range-input::-moz-range-track,.numeric-range-input::-moz-range-progress{height:4px}
.numeric-range-input::-moz-range-thumb{width:16px;height:16px}
.editor-card>.field-grid.two,.editor-card>.field-grid.three,.effect-editor .field-grid.two,.clip-editor,.text-settings-body .field-grid.two,.text-settings-body .field-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}
.editor-card{padding:10px}
.field-grid{gap:8px;margin-top:8px}
.tool-pane{padding:12px}
label,.field-label{font-size:10.5px;line-height:1.3}
.panel-note,.section-heading p,.microcopy,.canvas-help,.dialog-hint{font-size:10.5px;line-height:1.5}
.button,.small-button,.tool-tab,.segmented-control button,.multi-toggle button{min-height:34px;padding:6px 9px;font-size:10.5px;line-height:1.2}
input,select,textarea{padding:7px 8px;font-size:11px}
h2{font-size:16px}.control-title{font-size:11px}.selected-element-head strong{font-size:13px}
.effect-editor,.clip-editor,.advanced-details,.range-color-box{padding:9px}
@media(max-width:760px){
  .editor-card>.field-grid.two,.editor-card>.field-grid.three,.effect-editor .field-grid.two,.clip-editor,.text-settings-body .field-grid.two,.text-settings-body .field-grid.three{grid-template-columns:1fr}
  .numeric-inline-row{grid-template-columns:minmax(66px,1fr) 34px minmax(52px,68px) 34px 34px;gap:4px}
  .numeric-inline-row .step-button,.numeric-inline-row .numeric-reset-button{width:34px;min-width:34px;min-height:34px;height:34px}
  .numeric-inline-row .numeric-direct-input{height:34px;min-height:34px}
  .numeric-range-input{width:100%;max-width:280px}
  .button,.small-button,.tool-tab,.segmented-control button,.multi-toggle button{min-height:38px;font-size:10px}
}
@media(max-width:390px){
  .tool-pane,.editor-card{padding:8px}
  .numeric-inline-row{grid-template-columns:minmax(58px,1fr) 32px 50px 32px 32px}
  .numeric-inline-label{font-size:9.5px}
}


/* v26: responsive, collision-free toolbox and aligned tabs */
.toolbox,
.tool-pane,
.editor-card,
.inline-text-controls,
.text-settings-body,
.advanced-details,
.artboard-card,
.region-layout-toolbar,
.palette-editor,
.effect-editor,
.clip-editor {
  min-width: 0;
  max-width: 100%;
}
.toolbox,
.tool-pane,
.editor-card,
.inline-text-controls,
.advanced-details {
  overflow-x: clip;
}

.tool-tabs {
  display: grid !important;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  gap: 5px;
  width: 100%;
  padding: 7px;
  overflow: visible;
}
.tool-tab {
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  min-height: 40px;
  margin: 0;
  padding: 7px 6px;
  line-height: 1.15;
  text-align: center;
  white-space: normal;
}

.tool-pane > *,
.field-grid > *,
.layout-spacing-grid > *,
.palette-editor > *,
.text-settings-body > * {
  min-width: 0;
  max-width: 100%;
}

.tool-pane .field-grid.two,
.tool-pane .field-grid.three,
.tool-pane .field-grid.four,
.editor-card > .field-grid.two,
.editor-card > .field-grid.three,
.editor-card > .field-grid.four,
.effect-editor .field-grid.two,
.text-settings-body .field-grid.two,
.text-settings-body .field-grid.three,
.artboard-card .field-grid.two,
.artboard-card .field-grid.three,
.artboard-card .field-grid.four {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
}
.layout-spacing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
}
.layout-spacing-grid > :last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.numeric-enhanced-label,
.numeric-field,
.static-numeric-field {
  display: grid !important;
  grid-template-rows: auto auto;
  gap: 4px;
  min-width: 0;
  width: 100%;
  overflow: hidden;
}
.numeric-inline-row {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 30px minmax(48px, 62px) 30px 30px !important;
  align-items: center;
  gap: 4px !important;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}
.numeric-inline-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.numeric-inline-row .step-button,
.numeric-inline-row .numeric-reset-button {
  width: 30px !important;
  min-width: 30px !important;
  max-width: 30px;
  height: 30px !important;
  min-height: 30px !important;
  padding: 0 !important;
}
.numeric-inline-row .numeric-direct-input {
  width: 100%;
  min-width: 0;
  height: 30px !important;
  min-height: 30px !important;
  padding: 3px 4px !important;
}
.numeric-range-input {
  display: block;
  width: 100% !important;
  max-width: none !important;
  min-width: 0;
  height: 18px !important;
  min-height: 18px !important;
  margin: 0 !important;
}

.button,
.small-button,
.tool-tab,
.segmented-control button,
.multi-toggle button,
.element-buttons .button {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}
.segmented-control,
.multi-toggle,
.color-role-chips,
.region-layout-actions,
.selected-head-actions,
.text-mode-tools {
  min-width: 0;
  max-width: 100%;
}
.segmented-control button,
.multi-toggle button {
  min-width: 0;
}
.selected-element-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}
.selected-head-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.selected-head-actions > * {
  min-width: 0;
  max-width: 100%;
}
.text-mode-tools {
  grid-template-columns: minmax(0, 1fr) minmax(120px, 160px) !important;
}
.text-manual-reset {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.artboard-card,
.region-layout-toolbar,
.palette-primary-card,
.optional-palette-card {
  overflow: hidden;
}
.artboard-card .field-grid,
.region-layout-toolbar .field-grid {
  align-items: start;
}

@media (max-width: 1080px) {
  .tool-pane .field-grid.two,
  .tool-pane .field-grid.three,
  .tool-pane .field-grid.four,
  .editor-card > .field-grid.two,
  .editor-card > .field-grid.three,
  .editor-card > .field-grid.four,
  .effect-editor .field-grid.two,
  .text-settings-body .field-grid.two,
  .text-settings-body .field-grid.three,
  .artboard-card .field-grid.two,
  .artboard-card .field-grid.three,
  .artboard-card .field-grid.four,
  .layout-spacing-grid {
    grid-template-columns: 1fr !important;
  }
  .layout-spacing-grid > :last-child:nth-child(odd) { grid-column: auto; }
  .text-mode-tools { grid-template-columns: 1fr !important; }
}

@media (max-width: 720px) {
  .tool-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: static;
  }
  .tool-tab { min-height: 38px; }
  .selected-element-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .selected-head-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }
  .selected-head-actions > span { grid-column: 1 / -1; text-align: center; }
  .selected-head-actions button { width: 100%; }
  .numeric-inline-row {
    grid-template-columns: minmax(0, 1fr) 32px minmax(46px, 58px) 32px 32px !important;
  }
  .numeric-inline-row .step-button,
  .numeric-inline-row .numeric-reset-button {
    width: 32px !important;
    min-width: 32px !important;
    max-width: 32px;
    height: 32px !important;
    min-height: 32px !important;
  }
  .numeric-inline-row .numeric-direct-input {
    height: 32px !important;
    min-height: 32px !important;
  }
}

@media (max-width: 430px) {
  .tool-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-tab:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .tool-pane, .editor-card { padding: 8px; }
  .numeric-inline-row {
    grid-template-columns: minmax(0, 1fr) 30px 48px 30px 30px !important;
    gap: 3px !important;
  }
  .numeric-inline-label { font-size: 9px; }
  .selected-head-actions { grid-template-columns: 1fr; }
  .selected-head-actions > span { grid-column: auto; }
}

/* v26.2: compact palette controls above templates */
.compact-palette-editor {
  position: relative;
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
  padding: 10px;
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}
.compact-palette-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: center;
}
.compact-palette-color {
  position: static;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  align-items: center;
  gap: 7px;
  min-width: 0;
  min-height: 42px;
  padding: 4px 6px 4px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-input);
}
.compact-palette-label {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 10.5px;
  font-weight: 800;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.compact-color-chip,
.compact-color-chip .color-field { position: static; }
.compact-color-chip .color-trigger {
  display: block;
  width: 36px;
  min-width: 36px;
  max-width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 2px;
  border-radius: 9px;
}
.compact-color-chip .color-swatch {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 7px;
}
.compact-color-chip .color-trigger-copy,
.compact-color-chip .color-chevron { display: none; }
.compact-color-chip .color-popover {
  position: absolute;
  z-index: 120;
  top: 57px;
  left: 10px;
  width: min(520px, calc(100% - 20px));
  margin: 0;
}
.compact-palette-color.is-disabled { opacity: .48; }
.compact-palette-color.is-disabled .color-field-host { pointer-events: none; }
.compact-palette-options {
  display: grid;
  grid-template-columns: minmax(220px, 1.6fr) auto auto auto;
  gap: 7px;
  align-items: center;
  min-width: 0;
}
.palette-paper-inline,
.palette-neutral-inline,
.palette-enable-inline {
  min-width: 0;
  margin: 0;
}
.palette-paper-inline.numeric-enhanced-label {
  display: block;
}
.palette-paper-inline .numeric-legacy-readout { display: none; }
.palette-paper-inline .static-numeric-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(76px, .72fr);
  align-items: center;
  gap: 7px;
}
.palette-paper-inline .numeric-inline-row {
  grid-template-columns: minmax(64px, 1fr) 28px 44px 28px 28px !important;
  gap: 3px !important;
}
.palette-paper-inline .numeric-inline-label {
  font-size: 9.5px;
  white-space: nowrap;
}
.palette-paper-inline .numeric-range-input {
  width: 100%;
  min-width: 72px;
  margin: 0;
}
.palette-paper-inline .step-button,
.palette-paper-inline .numeric-reset-button {
  width: 28px !important;
  min-width: 28px !important;
  height: 28px !important;
  min-height: 28px !important;
  padding: 0 !important;
}
.palette-paper-inline .numeric-direct-input {
  height: 28px !important;
  min-height: 28px !important;
  padding-inline: 4px !important;
  font-size: 10px !important;
}
.palette-neutral-inline {
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.palette-neutral-inline label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 30px;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  font-size: 9.5px;
  font-weight: 700;
}
.palette-neutral-inline input { margin: 0; }
.palette-enable-inline {
  display: grid;
  grid-template-columns: auto 104px;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 800;
  white-space: nowrap;
}
.palette-enable-inline .segmented-control {
  width: 104px;
  min-width: 104px;
}
.palette-enable-inline .segmented-control button {
  min-height: 30px;
  padding: 4px 6px;
  font-size: 9px;
}
.compact-palette-note {
  margin: 0;
  color: var(--muted);
  font-size: 9.5px;
  line-height: 1.35;
}
.template-section-heading { margin-top: 2px; }
.template-card-custom .template-thumb {
  background: var(--surface-input);
}
.template-card-custom .template-meta strong::before {
  content: "+ ";
  color: var(--accent);
}
body[data-theme="light"] .compact-palette-editor,
body[data-theme="light"] .compact-palette-color,
body[data-theme="light"] .palette-neutral-inline label {
  background: #fff;
}

@media (max-width: 1120px) {
  .compact-palette-options {
    grid-template-columns: minmax(220px, 1fr) auto auto;
  }
  .palette-neutral-inline { grid-column: 2 / 4; justify-content: flex-end; }
}
@media (max-width: 760px) {
  .compact-palette-editor { padding: 8px; }
  .compact-palette-color {
    grid-template-columns: minmax(0, 1fr) 34px;
    padding-left: 7px;
  }
  .compact-color-chip .color-trigger {
    width: 32px;
    min-width: 32px;
    max-width: 32px;
    height: 32px;
    min-height: 32px;
  }
  .compact-color-chip .color-swatch { width: 26px; height: 26px; }
  .compact-palette-options {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .palette-paper-inline { grid-column: 1 / -1; }
  .palette-neutral-inline { grid-column: 1 / -1; justify-content: flex-start; }
  .palette-enable-inline { grid-template-columns: auto minmax(0, 1fr); }
  .palette-enable-inline .segmented-control { width: 100%; min-width: 0; }
  .palette-paper-inline .static-numeric-field {
    grid-template-columns: minmax(0, 1fr) minmax(70px, .65fr);
  }
}
@media (max-width: 430px) {
  .compact-palette-strip { gap: 5px; }
  .compact-palette-color {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 3px;
    padding: 5px 3px;
  }
  .compact-palette-label { font-size: 9px; }
  .compact-palette-options { grid-template-columns: 1fr; }
  .palette-paper-inline,
  .palette-neutral-inline,
  .palette-enable-inline { grid-column: auto; }
  .palette-neutral-inline { flex-wrap: wrap; }
  .palette-paper-inline .static-numeric-field {
    grid-template-columns: 1fr;
  }
  .compact-color-chip .color-popover {
    top: 73px;
    left: 6px;
    width: calc(100% - 12px);
  }
}

/* v26.3: default white mode, adjacent theme toggle, and fully white light-mode buttons */
html[data-theme="light"] {
  color-scheme: light;
  background: #f7f7f5;
}
html[data-theme="dark"] {
  color-scheme: dark;
  background: #0b0c0f;
}
.history-actions {
  align-items: center;
}
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 9px;
}
.theme-toggle .theme-icon {
  display: block;
  font-size: 19px;
  line-height: 1;
}

/* In white mode every action button uses a white surface. State is shown by border/ring, never black fill. */
body[data-theme="light"] button,
body[data-theme="light"] button.button,
body[data-theme="light"] button.small-button,
body[data-theme="light"] button.icon-button,
body[data-theme="light"] button.icon-text-button,
body[data-theme="light"] button.zoom-readout,
body[data-theme="light"] button.step-button,
body[data-theme="light"] button.numeric-reset-button,
body[data-theme="light"] button.tool-tab,
body[data-theme="light"] .segmented-control button,
body[data-theme="light"] .multi-toggle button,
body[data-theme="light"] .text-card-actions button,
body[data-theme="light"] .selected-head-actions button,
body[data-theme="light"] .region-layout-actions button,
body[data-theme="light"] .element-buttons button,
body[data-theme="light"] .template-card,
body[data-theme="light"] .color-copy-button,
body[data-theme="light"] .color-none-button {
  background-color: #ffffff !important;
  color: #2f3437 !important;
  border-color: #deded9 !important;
  box-shadow: none !important;
}
body[data-theme="light"] button:hover:not(:disabled),
body[data-theme="light"] .segmented-control button:hover:not(:disabled),
body[data-theme="light"] .multi-toggle button:hover:not(:disabled) {
  background-color: #f7f7f5 !important;
  border-color: #bdbdb7 !important;
}
body[data-theme="light"] button:disabled,
body[data-theme="light"] button[disabled] {
  background-color: #ffffff !important;
  color: #9b9b96 !important;
  border-color: #e7e7e3 !important;
}
body[data-theme="light"] button.active,
body[data-theme="light"] .tool-tab.active,
body[data-theme="light"] .template-card.active,
body[data-theme="light"] .segmented-control button.active,
body[data-theme="light"] .multi-toggle button.active,
body[data-theme="light"] button[aria-pressed="true"] {
  background-color: #ffffff !important;
  color: #1f2326 !important;
  border-color: #8f8f89 !important;
  box-shadow: inset 0 0 0 1px #8f8f89 !important;
}
body[data-theme="light"] .button-danger,
body[data-theme="light"] .danger-reset-button {
  background-color: #ffffff !important;
  color: #b4233c !important;
  border-color: #e5b6bf !important;
}
body[data-theme="light"] .button-accent {
  background-color: #ffffff !important;
  color: #2f3437 !important;
  border-color: #bdbdb7 !important;
  font-weight: 800;
}
/* Color controls retain the actual swatch inside, while the clickable button shell stays white. */
body[data-theme="light"] .color-trigger {
  background-color: #ffffff !important;
  color: #2f3437 !important;
  border-color: #deded9 !important;
}

@media (max-width: 700px) {
  .theme-toggle {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
  }
}


/* v26.4 · custom Unicode placement */
.custom-unicode-block {
  display: grid;
  grid-template-columns: minmax(160px, .8fr) minmax(0, 1.2fr);
  gap: 10px;
  align-items: end;
  min-width: 0;
}
.custom-unicode-block > * { min-width: 0; }
.custom-unicode-block .unicode-row input { min-width: 0; width: 100%; }
@media (max-width: 720px) {
  .custom-unicode-block { grid-template-columns: 1fr; }
}

/* v26.6: compact tabbed sentence styling and editable selected ranges */
.text-settings-tabs {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  overflow: hidden;
}
.text-settings-tablist {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  padding: 7px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
}
.text-settings-tab {
  min-width: 0;
  min-height: 34px;
  padding: 6px 7px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 10px;
  font-weight: 750;
  line-height: 1.15;
  cursor: pointer;
}
.text-settings-tab:hover {
  background: color-mix(in srgb, var(--surface-input) 72%, transparent);
  color: var(--text);
}
.text-settings-tab.active {
  border-color: var(--line-strong);
  background: var(--surface-input);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}
.text-settings-tab-help {
  min-height: 34px;
  margin: 0;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-input);
  font-size: 10px;
  line-height: 1.45;
}
.text-settings-tab-panels { min-width: 0; }
.text-settings-tab-panel {
  display: grid;
  gap: 9px;
  min-width: 0;
  padding: 10px;
}
.text-settings-tab-panel[hidden] { display: none !important; }
.range-apply-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, auto);
  gap: 8px;
  align-items: end;
  min-width: 0;
}
.range-apply-button {
  min-width: 0;
  min-height: 38px;
  padding-inline: 12px;
  font-weight: 800;
}
.editable-range-list {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.editable-range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px;
  align-items: center;
  min-width: 0;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-input);
}
.range-preview-button {
  min-width: 0;
  min-height: 32px;
  padding: 6px 8px;
  overflow: hidden;
  border: 0;
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.25;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.range-preview-button:hover { outline: 1px solid var(--line-strong); }
.range-index-editor {
  display: grid;
  grid-template-columns: 50px auto 50px 32px;
  gap: 4px;
  align-items: center;
}
.range-index-editor input {
  width: 50px;
  min-width: 0;
  min-height: 32px;
  padding: 4px;
  text-align: center;
}
.range-index-dash { color: var(--muted); font-size: 10px; }
.range-remove-button {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--danger) 38%, var(--line));
  border-radius: 7px;
  background: var(--surface-input);
  color: var(--danger);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}
.range-empty-note {
  margin: 0;
  padding: 9px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 9.5px;
  text-align: center;
}

/* Selected-range action buttons must remain legible in both themes. */
body[data-theme="dark"] .text-settings-tab-panel .button-accent,
body:not([data-theme="light"]) .text-settings-tab-panel .button-accent {
  border-color: #f2cc00 !important;
  background: #ffd800 !important;
  color: #151515 !important;
  box-shadow: none !important;
}
body[data-theme="dark"] .text-settings-tab-panel .button-accent:hover,
body:not([data-theme="light"]) .text-settings-tab-panel .button-accent:hover {
  background: #ffe34d !important;
  color: #111 !important;
}
body[data-theme="light"] .text-settings-tabs,
body[data-theme="light"] .text-settings-tablist,
body[data-theme="light"] .text-settings-tab-help,
body[data-theme="light"] .text-settings-tab-panel,
body[data-theme="light"] .editable-range-row,
body[data-theme="light"] .range-preview-button,
body[data-theme="light"] .range-remove-button {
  background: #fff;
  color: #2f3437;
}
body[data-theme="light"] .text-settings-tablist { background: #f7f7f5; }
body[data-theme="light"] .text-settings-tab.active {
  background: #fff !important;
  color: #202428 !important;
  border-color: #c9c9c4 !important;
}
body[data-theme="light"] .text-settings-tab-panel .button-accent {
  border-color: #c9c9c4 !important;
  background: #fff !important;
  color: #202428 !important;
  box-shadow: 0 1px 2px rgba(15,15,15,.06) !important;
}
body[data-theme="light"] .text-settings-tab-panel .button-accent:hover {
  background: #f4f4f2 !important;
  color: #17191d !important;
}

@media (max-width: 900px) {
  .text-settings-tablist { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .text-settings-tablist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .range-apply-row { grid-template-columns: 1fr; }
  .editable-range-row { grid-template-columns: 1fr; }
  .range-index-editor { grid-template-columns: minmax(52px, 1fr) auto minmax(52px, 1fr) 36px; }
  .range-index-editor input { width: 100%; }
  .range-remove-button { width: 36px; min-width: 36px; min-height: 36px; }
}


/* v27 compact sentence list, safe controls, preview surface and readable auto layout */
.text-card-head{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:6px;
  padding:8px;
}
.text-card-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  min-width:0;
}
.drag-grip{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  min-height:28px;
  padding:3px 7px;
  border-radius:7px;
  white-space:nowrap;
}
.drag-grip b{font-size:12px;line-height:1}
.drag-grip small{font-size:8px;line-height:1;letter-spacing:.05em}
.text-input{
  min-height:42px;
  max-height:150px;
  padding:8px 10px;
  resize:vertical;
  line-height:1.42;
}
.text-card-actions{
  display:grid;
  grid-template-columns:repeat(3,30px);
  align-items:end;
  gap:5px;
}
.text-card-action{
  display:grid;
  justify-items:center;
  gap:2px;
  min-width:0;
}
.text-card-action-label{
  color:var(--muted);
  font-size:8px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
}
.text-card-actions .small-button{
  width:30px;
  min-width:30px;
  height:28px;
  min-height:28px;
  padding:0;
  border-radius:7px;
  font-size:13px;
}
.delete-confirm-popover{
  position:fixed;
  z-index:10000;
  width:min(210px,calc(100vw - 16px));
  padding:10px;
  border:1px solid var(--line-strong);
  border-radius:10px;
  background:var(--panel-3);
  color:var(--text);
  box-shadow:0 12px 32px rgba(0,0,0,.22);
}
.delete-confirm-popover strong{display:block;margin-bottom:8px;font-size:12px}
.delete-confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.delete-confirm-actions .small-button{width:100%;min-height:32px}
.preview-background-control{
  display:grid;
  grid-template-columns:auto 28px;
  align-items:center;
  gap:6px;
  padding:4px 6px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--panel-2);
  color:var(--muted);
  font-size:9px;
  font-weight:700;
  white-space:nowrap;
}
.preview-background-control input[type="color"]{
  width:28px;
  height:24px;
  min-height:24px;
  padding:2px;
  border-radius:6px;
  cursor:pointer;
}
.status{
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel-2);
  color:var(--muted)!important;
  padding:5px 9px;
  font-size:9px;
  line-height:1.25;
}
.status[data-state="warning"]{border-color:#d39b50;color:#9b5b14!important;background:#fff7e8}
body[data-theme="dark"] .status[data-state="warning"]{background:#2a2116;color:#ffd49a!important}
.text-mode-tools .segmented-control button{min-height:34px}
body[data-theme="light"] .text-mode-tools .segmented-control,
body[data-theme="light"] .text-mode-tools .segmented-control button,
body[data-theme="light"] .text-manual-reset{background:#fff!important;color:#2f3437!important}
body[data-theme="light"] .text-mode-tools .segmented-control button.active{background:#f1f1ef!important;color:#1f2326!important}
@media(max-width:700px){
  .text-card-head{padding:7px}
  .text-card-toolbar{align-items:flex-start}
  .text-card-actions{grid-template-columns:repeat(3,28px);gap:4px}
  .text-card-actions .small-button{width:28px;min-width:28px;height:27px;min-height:27px}
  .text-card-action-label{font-size:7px}
  .text-input{min-height:40px;padding:7px 9px}
  .preview-background-control{grid-template-columns:auto 26px}
}
@media(max-width:380px){
  .workspace-actions{display:grid;grid-template-columns:1fr auto;align-items:center}
  .preview-background-control{grid-column:1/-1;justify-self:start}
  .status{grid-column:1/-1;white-space:normal}
}

/* v27.1: preview surface presets and palette-role shuffle */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.workspace-bar {
  position: relative;
  z-index: 35;
  overflow: visible;
}
.workspace-actions { overflow: visible; }
.preview-background-menu {
  position: relative;
  display: inline-grid;
  grid-template-columns: auto 32px;
  align-items: center;
  gap: 6px;
  flex: none;
  min-height: 34px;
  padding: 3px 4px 3px 8px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-2);
  color: var(--muted);
}
.preview-background-label {
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}
.preview-background-button {
  display: grid;
  place-items: center;
  width: 30px;
  min-width: 30px;
  height: 28px;
  min-height: 28px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface-input);
  color: var(--text);
  cursor: pointer;
}
.preview-background-button:hover,
.preview-background-menu.open .preview-background-button {
  border-color: var(--accent);
}
.preview-mode-icon {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
  border: 1px solid rgba(17,17,17,.38);
  border-radius: 5px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.26);
}
.preview-mode-icon[data-mode="white"] { background: #fff; }
.preview-mode-icon[data-mode="black"] { background: #111; border-color: rgba(255,255,255,.45); }
.preview-mode-icon[data-mode="black-transparent"] {
  background-color: #111;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.20) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.20) 75%),
    linear-gradient(45deg, rgba(255,255,255,.20) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.20) 75%);
  background-position: 0 0, 4px 4px;
  background-size: 8px 8px;
  border-color: rgba(255,255,255,.45);
}
.preview-mode-icon[data-mode="white-transparent"] {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, rgba(17,17,17,.18) 25%, transparent 25%, transparent 75%, rgba(17,17,17,.18) 75%),
    linear-gradient(45deg, rgba(17,17,17,.18) 25%, transparent 25%, transparent 75%, rgba(17,17,17,.18) 75%);
  background-position: 0 0, 4px 4px;
  background-size: 8px 8px;
}
.preview-mode-icon[data-mode="transparent"] {
  background-color: #eef0f2;
  background-image:
    linear-gradient(45deg, #bfc4ca 25%, transparent 25%, transparent 75%, #bfc4ca 75%),
    linear-gradient(45deg, #bfc4ca 25%, transparent 25%, transparent 75%, #bfc4ca 75%);
  background-position: 0 0, 4px 4px;
  background-size: 8px 8px;
}
.preview-background-options {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 180;
  display: grid;
  width: max-content;
  min-width: 168px;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--panel-3);
  color: var(--text);
  box-shadow: 0 14px 34px rgba(0,0,0,.24);
}
.preview-background-options[hidden] { display: none !important; }
.preview-background-options button {
  display: grid;
  grid-template-columns: 22px minmax(0,1fr);
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 34px;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 10px;
  font-weight: 750;
  text-align: left;
  cursor: pointer;
}
.preview-background-options button:hover { background: var(--panel-2); }
.preview-background-options button.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-3));
}
.preview-background-options .preview-mode-icon { width: 20px; height: 20px; }

/* The canvas itself must stay transparent so the selected preview surface can show through. */
#posterCanvas { background: transparent !important; }
.canvas-stage[data-preview-background-mode="white"] {
  background: #fff !important;
}
.canvas-stage[data-preview-background-mode="black"] {
  background: #111 !important;
}
.canvas-stage[data-preview-background-mode="black-transparent"] {
  background-color: #111 !important;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.10) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.10) 75%),
    linear-gradient(45deg, rgba(255,255,255,.10) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.10) 75%) !important;
  background-position: 0 0, 12px 12px !important;
  background-size: 24px 24px !important;
}
.canvas-stage[data-preview-background-mode="white-transparent"] {
  background-color: #fff !important;
  background-image:
    linear-gradient(45deg, rgba(17,17,17,.08) 25%, transparent 25%, transparent 75%, rgba(17,17,17,.08) 75%),
    linear-gradient(45deg, rgba(17,17,17,.08) 25%, transparent 25%, transparent 75%, rgba(17,17,17,.08) 75%) !important;
  background-position: 0 0, 12px 12px !important;
  background-size: 24px 24px !important;
}
.canvas-stage[data-preview-background-mode="transparent"] {
  background-color: #eef0f2 !important;
  background-image:
    linear-gradient(45deg, #c7cbd0 25%, transparent 25%, transparent 75%, #c7cbd0 75%),
    linear-gradient(45deg, #c7cbd0 25%, transparent 25%, transparent 75%, #c7cbd0 75%) !important;
  background-position: 0 0, 12px 12px !important;
  background-size: 24px 24px !important;
}

.compact-palette-options {
  grid-template-columns: minmax(200px, 1.45fr) auto auto auto auto;
}
.palette-shuffle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 104px;
  min-height: 30px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  color: var(--text);
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}
.palette-shuffle-button:hover { border-color: var(--accent); }
.palette-shuffle-button > span:first-child { font-size: 14px; line-height: 1; }
body[data-theme="light"] .preview-background-menu,
body[data-theme="light"] .preview-background-button,
body[data-theme="light"] .preview-background-options,
body[data-theme="light"] .preview-background-options button,
body[data-theme="light"] .palette-shuffle-button {
  background: #fff;
  color: #2f3437;
}
body[data-theme="light"] .preview-background-options button:hover,
body[data-theme="light"] .preview-background-options button.active {
  background: #f3f3f1;
}

@media (max-width: 1260px) {
  .compact-palette-options {
    grid-template-columns: minmax(200px,1fr) auto auto auto;
  }
  .palette-shuffle-button { grid-column: 4; }
  .palette-neutral-inline { grid-column: 2 / 4; justify-content: flex-end; }
}
@media (max-width: 760px) {
  .preview-background-menu { grid-template-columns: auto 30px; }
  .preview-background-options { right: auto; left: 0; }
  .compact-palette-options { grid-template-columns: 1fr 1fr; }
  .palette-shuffle-button { grid-column: 1 / -1; width: 100%; }
}
@media (max-width: 430px) {
  .preview-background-label { display: none; }
  .preview-background-menu { grid-template-columns: 30px; padding: 3px; }
  .preview-background-options { left: auto; right: 0; }
  .compact-palette-options { grid-template-columns: 1fr; }
  .palette-shuffle-button { grid-column: auto; }
}


/* v27.2: two-row palette switches and contrast-safe palette layout */
.compact-palette-options {
  display: grid;
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 6px;
}
.palette-option-row {
  display: grid;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.palette-option-row-background {
  grid-template-columns: auto minmax(190px, 1fr) auto auto;
}
.palette-option-row-colors {
  grid-template-columns: minmax(170px, auto) minmax(170px, auto) minmax(118px, auto);
  justify-content: end;
}
.palette-check-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  min-height: 30px;
  margin: 0;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  color: var(--text);
  font-size: 9.5px;
  font-weight: 750;
  white-space: nowrap;
}
.palette-check-pill input { margin: 0; }
.palette-option-row .palette-paper-inline { min-width: 0; }
.palette-option-row .palette-paper-inline .static-numeric-field {
  grid-template-columns: minmax(0, 1fr) minmax(76px, .52fr);
}
.palette-option-row .palette-enable-inline {
  grid-template-columns: auto minmax(104px, 112px);
}
.palette-option-row .palette-shuffle-button { width: auto; min-width: 118px; }
body[data-theme="light"] .palette-check-pill { background: #fff; color: #2f3437; }

@media (max-width: 1080px) {
  .palette-option-row-background { grid-template-columns: auto minmax(160px, 1fr) auto auto; }
  .palette-option-row-colors { grid-template-columns: 1fr 1fr auto; justify-content: stretch; }
}
@media (max-width: 760px) {
  .palette-option-row-background { grid-template-columns: 1fr 1fr; }
  .palette-option-row-background .palette-paper-inline { grid-column: 1 / -1; grid-row: 2; }
  .palette-option-row-colors { grid-template-columns: 1fr 1fr; }
  .palette-option-row-colors .palette-shuffle-button { grid-column: 1 / -1; width: 100%; }
}
@media (max-width: 430px) {
  .palette-option-row-background,
  .palette-option-row-colors { grid-template-columns: 1fr; }
  .palette-option-row-background .palette-paper-inline,
  .palette-option-row-colors .palette-shuffle-button { grid-column: auto; grid-row: auto; }
  .palette-check-pill { width: 100%; justify-content: flex-start; }
}
.palette-paper-inline.is-disabled { opacity: .48; }
.palette-paper-inline.is-disabled .static-numeric-field { pointer-events: none; }

/* v27.3: readable numeric controls, light-theme cleanup and compact precision layout */
.editor-card .numeric-inline-row,
.text-settings-section .numeric-inline-row,
.text-settings-tab-panel .numeric-inline-row,
.effect-editor .numeric-inline-row,
.clip-editor .numeric-inline-row {
  grid-template-columns: 32px minmax(58px, 1fr) 32px 32px !important;
  grid-template-rows: auto 32px;
  overflow: visible;
}
.editor-card .numeric-inline-row > .numeric-inline-label,
.text-settings-section .numeric-inline-row > .numeric-inline-label,
.text-settings-tab-panel .numeric-inline-row > .numeric-inline-label,
.effect-editor .numeric-inline-row > .numeric-inline-label,
.clip-editor .numeric-inline-row > .numeric-inline-label {
  grid-column: 1 / -1;
  grid-row: 1;
  width: 100%;
  overflow: visible;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  line-height: 1.25;
  text-overflow: clip;
  white-space: normal;
}
.editor-card .numeric-inline-row > .step-button:first-of-type,
.text-settings-section .numeric-inline-row > .step-button:first-of-type,
.text-settings-tab-panel .numeric-inline-row > .step-button:first-of-type,
.effect-editor .numeric-inline-row > .step-button:first-of-type,
.clip-editor .numeric-inline-row > .step-button:first-of-type { grid-column: 1; grid-row: 2; }
.editor-card .numeric-inline-row > .numeric-direct-input,
.text-settings-section .numeric-inline-row > .numeric-direct-input,
.text-settings-tab-panel .numeric-inline-row > .numeric-direct-input,
.effect-editor .numeric-inline-row > .numeric-direct-input,
.clip-editor .numeric-inline-row > .numeric-direct-input { grid-column: 2; grid-row: 2; }
.editor-card .numeric-inline-row > .step-button:nth-of-type(2),
.text-settings-section .numeric-inline-row > .step-button:nth-of-type(2),
.text-settings-tab-panel .numeric-inline-row > .step-button:nth-of-type(2),
.effect-editor .numeric-inline-row > .step-button:nth-of-type(2),
.clip-editor .numeric-inline-row > .step-button:nth-of-type(2) { grid-column: 3; grid-row: 2; }
.editor-card .numeric-inline-row > .numeric-reset-button,
.text-settings-section .numeric-inline-row > .numeric-reset-button,
.text-settings-tab-panel .numeric-inline-row > .numeric-reset-button,
.effect-editor .numeric-inline-row > .numeric-reset-button,
.clip-editor .numeric-inline-row > .numeric-reset-button { grid-column: 4; grid-row: 2; }

body[data-theme="light"] .gesture-hint,
body[data-theme="light"] .editor-card.transform-active .gesture-hint,
body[data-theme="light"] .selected-head-actions > span,
body[data-theme="light"] #selectedRegionBadge,
body[data-theme="light"] #selectedElementBadge,
body[data-theme="light"] .band-controls,
body[data-theme="light"] .advanced-details,
body[data-theme="light"] .advanced-details > summary {
  background: #fff !important;
  color: #3b4044 !important;
  border-color: #d8d8d3 !important;
  box-shadow: none !important;
}
body[data-theme="light"] .gesture-hint,
body[data-theme="light"] .editor-card.transform-active .gesture-hint {
  border-left-color: #a8a8a1 !important;
}
body[data-theme="light"] .panel-kicker,
body[data-theme="light"] .numeric-inline-label,
body[data-theme="light"] .field-label,
body[data-theme="light"] label {
  color: #555b60;
}
body[data-theme="light"] .editor-card.transform-active {
  border-color: #9b9b94 !important;
  box-shadow: inset 0 0 0 1px #c7c7c1 !important;
}
body[data-theme="light"] .uniform-scale-field,
body[data-theme="light"] .uniform-scale-field .static-numeric-field {
  opacity: 1 !important;
  color: #3b4044 !important;
}

@media (max-width: 560px) {
  .editor-card .numeric-inline-row,
  .text-settings-section .numeric-inline-row,
  .text-settings-tab-panel .numeric-inline-row,
  .effect-editor .numeric-inline-row,
  .clip-editor .numeric-inline-row {
    grid-template-columns: 34px minmax(54px, 1fr) 34px 34px !important;
    grid-template-rows: auto 34px;
  }
}

/* v27.3.2: 선택 영역의 문장을 목록 최상단에 모아 쉽게 편집 */
.text-card.selected-region-priority {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line));
}
.text-card.selected-region-arrived {
  animation: selected-region-arrived-pulse .9s ease;
}
@keyframes selected-region-arrived-pulse {
  0%, 100% { box-shadow: none; }
  35% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
}

/* v27.3.3: 선택한 문장 자체를 목록 최상단에 배치 */
.text-card.selected-text-priority {
  border-color: color-mix(in srgb, var(--accent) 72%, var(--line));
}
.text-card.selected-text-arrived {
  animation: selected-text-arrived-pulse .9s ease;
}
@keyframes selected-text-arrived-pulse {
  0%, 100% { box-shadow: none; }
  35% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent); }
}


/* v27.3.5 sentence-wide, selection-range, and clear unicode actions */
.range-dual-apply-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
}
.range-dual-apply-row .range-apply-button {
  width: 100%;
  min-width: 0;
  padding-inline: 8px;
  white-space: normal;
  line-height: 1.25;
}


/* v27.3.5 compact unicode clear action */
.range-dual-apply-row .range-clear-button {
  border-style: dashed;
}


/* v27.3.8: palette roles occupy the first three recommendation swatches. */
.quick-swatch {
  position: relative;
  background: var(--swatch-color, #ffffff) !important;
  color: var(--swatch-label-color, #111111) !important;
}
body[data-theme="light"] button.quick-swatch,
body[data-theme="light"] button.quick-swatch:hover:not(:disabled),
body[data-theme="light"] button.quick-swatch:focus-visible {
  background: var(--swatch-color, #ffffff) !important;
  color: var(--swatch-label-color, #111111) !important;
  border-color: rgba(0, 0, 0, .26) !important;
}
.quick-swatch.palette-role-swatch {
  display: grid;
  place-items: end center;
  padding: 0 3px 4px;
  font-size: 8.5px;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -.03em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .45);
}
.quick-swatch.palette-role-swatch::after {
  content: "";
  position: absolute;
  inset: auto 3px 3px;
  height: 13px;
  border-radius: 4px;
  background: rgba(0, 0, 0, .18);
  pointer-events: none;
  z-index: 0;
}
.quick-swatch.palette-role-swatch {
  isolation: isolate;
}
.quick-swatch.palette-role-swatch::after { z-index: -1; }