:root {
  --bg-0: #0a0c10;
  --bg-1: #11141b;
  --bg-2: #161a23;
  --bg-3: #1d2230;
  --line: #262d3d;
  --line-2: #313a4f;
  --fg: #e7ecf5;
  --fg-dim: #9aa6bd;
  --fg-mute: #5d6781;
  --accent: #7c5cff;
  --accent-2: #2ec4b6;
  --warn: #ffb454;
  --err: #ff5c7c;
  --ok: #48c48a;
  --shadow: 0 18px 50px -20px rgba(124, 92, 255, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--fg);
  font: 13px/1.5 "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  overflow: hidden;
}

body {
  display: grid;
  grid-template-rows: 52px 1fr 30px;
}

/* ===== Top bar ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border-bottom: 1px solid var(--line);
  z-index: 5;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.brand .logo {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--accent));
  box-shadow: 0 0 18px rgba(124, 92, 255, 0.6);
}
.brand .name { font-size: 14px; }
.brand .tag { color: var(--fg-mute); font-weight: 500; font-size: 11px; }

/* Mode selector: 3 mutually exclusive modes as connected buttons */
.mode-selector {
  display: inline-flex;
  align-items: stretch;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  overflow: hidden;
}
.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  color: var(--fg-dim);
  border: none;
  border-right: 1px solid var(--line-2);
  font-weight: 500;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.mode-btn:last-child { border-right: none; }
.mode-btn:hover:not(.active) { color: var(--fg); background: var(--bg-2); }
.mode-btn.active {
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
}
.mode-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.mode-icon { display: none; } /* Icons hidden, using text labels */
.mode-label { display: inline; }

/* More options dropdown */
.more-menu {
  position: relative;
  display: inline-flex;
}
.more-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: var(--bg-3);
  color: var(--fg-dim);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.more-trigger:hover { color: var(--fg); border-color: var(--accent); background: var(--bg-2); }
.more-trigger[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); background: var(--bg-2); }
.more-icon { font-weight: 300; }
.more-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 6px;
  z-index: 50;
  flex-direction: column;
  gap: 4px;
}
.more-dropdown.open { display: flex; }
.more-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  color: var(--fg);
  border: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.more-item:hover { background: var(--bg-3); color: var(--accent); }
.more-item.file-btn { padding: 8px 12px; background: var(--accent); color: white; font-size: 12px; }
.more-item.file-btn:hover { filter: brightness(1.1); background: var(--accent); }
.more-item.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.topbar .spacer { flex: 1; }

.file-btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: var(--accent);
  color: white;
  border: none; border-radius: 9px;
  font-weight: 600; cursor: pointer;
  box-shadow: 0 6px 18px -6px rgba(124, 92, 255, 0.8);
  transition: transform 0.08s, filter 0.15s;
}
.file-btn:hover { filter: brightness(1.1); }
.file-btn:active { transform: translateY(1px); }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.file-btn-alt {
  background: var(--bg-3);
  color: var(--fg);
  border: 1px solid var(--accent-2);
  box-shadow: 0 6px 18px -8px rgba(78, 224, 208, 0.6);
}
.file-btn-alt:hover { filter: brightness(1.08); }

.ghost-btn {
  padding: 7px 12px;
  background: var(--bg-3);
  color: var(--fg-dim);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  font-weight: 500; cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.ghost-btn:hover:not(:disabled) { color: var(--fg); border-color: var(--accent); background: var(--bg-2); }
.ghost-btn.active { color: #fff; border-color: var(--accent); background: var(--accent); }
.ghost-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== Merge / Refine / Refined Export — выделенная группа ===== */
#btnFindMerge,
#btnRefineMerge,
#btnRefinedToExport {
  border-color: #ff9800;
  color: #ffb74d;
  background: rgba(255, 152, 0, 0.10);
  box-shadow: 0 0 0 1px rgba(255, 152, 0, 0.15),
              0 0 12px rgba(255, 152, 0, 0.08);
}

#btnFindMerge:hover:not(:disabled),
#btnRefineMerge:hover:not(:disabled),
#btnRefinedToExport:hover:not(:disabled) {
  border-color: #ffb300;
  color: #ffd180;
  background: rgba(255, 152, 0, 0.18);
  box-shadow: 0 0 0 1px rgba(255, 152, 0, 0.25),
              0 0 18px rgba(255, 152, 0, 0.15);
}

#btnFindMerge.active,
#btnRefineMerge.active,
#btnRefinedToExport.active {
  background: #ff9800;
  border-color: #ff9800;
  color: #17120a;
  box-shadow: 0 0 16px rgba(255, 152, 0, 0.28);
}


/* ===== Main layout ===== */
.main {
  display: grid;
  grid-template-columns: 320px 1fr;
  overflow: hidden;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar section {
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
}
.sidebar h3 {
  margin: 0 0 8px 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--fg-mute);
  font-weight: 700;
}

.colors-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.colors-head h3 { margin: 0; }
.palette-status {
  font-size: 10px;
  color: var(--accent-2);
  background: rgba(78, 224, 208, 0.12);
  border: 1px solid rgba(78, 224, 208, 0.35);
  border-radius: 6px;
  padding: 3px 7px;
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.2px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.stat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
}
.stat .label { font-size: 10px; color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.6px; }
.stat .value { font-size: 18px; font-weight: 700; color: var(--fg); margin-top: 2px; }
.stat.full { grid-column: 1 / -1; }
.stat.full .value { font-size: 22px; color: var(--accent-2); }

.colors {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
/* Плитки цветов: grid чтобы до 32 цветов влезало на одном экране без
   скролла. Инфо пишется ВНУТРИ плитки контрастным цветом (авто-выбор
   чёрный/белый по яркости фона) — экономит место, не нужны отдельные
   swatch/bar/value. */
.colors-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  align-content: start;
}
.color-tile {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  overflow: hidden;
  cursor: default;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px 5px;
  transition: transform 0.12s, box-shadow 0.12s;
}
.color-tile:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,0.25); }
/* Кликабельны только когда есть палитра (app.js ставит .clickable).
   Без палитры — обычные плитки, не вводят в заблуждение курсором. */
.color-tile.clickable { cursor: pointer; }
.color-tile.clickable:hover { box-shadow: 0 3px 12px rgba(0,0,0,0.35), 0 0 0 1px var(--accent-2); }
.color-tile.clickable:active { transform: translateY(0); }
.color-tile .ct-name {
  font-size: 11px;
  font-weight: 700;
  font-family: "JetBrains Mono", "Consolas", monospace;
  line-height: 1.05;
  letter-spacing: 0.2px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.color-focus {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 2;
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent-2);
  cursor: pointer;
}
.color-tile .ct-blobs {
  font-size: 10px;
  font-weight: 600;
  opacity: 0.85;
  align-self: flex-end;
  text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.color-tile.is-dark .ct-name,
.color-tile.is-dark .ct-blobs { color: #ffffff; }
.color-tile.is-light .ct-name,
.color-tile.is-light .ct-blobs { color: #1a1a1a; text-shadow: 0 1px 1px rgba(255,255,255,0.35); }

/* Метка ручного подбора (manualAssign): ✦ в нижнем-левом углу плитки, акцентным
   цветом. app.js ставит класс .manual (renderStats) для плиток, чьё назначение
   отложено в manualAssign. Без этого правила юзер не видит, какие цвета он
   переназначил вручную — только .title-подсказка при наведении. */
.color-tile.manual::after {
  content: '✦';
  position: absolute;
  left: 5px;
  bottom: 3px;
  color: var(--accent-2);
  font-size: 12px;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,0.55);
  pointer-events: none;
}

/* ===== Viewer ===== */
.workspace {
  display: grid;
  grid-template-rows: auto auto 1fr; /* toolbar, raster-panel, viewer */
  overflow: hidden;
  background: var(--bg-0);
}
.workspace:not(.raster-mode) {
  grid-template-rows: auto 1fr; /* toolbar, viewer (when raster panel hidden) */
}
.toolbar {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}
.stage-tabs { display: flex; gap: 4px; background: var(--bg-2); padding: 3px; border-radius: 9px; border: 1px solid var(--line); }
.stage-tab {
  padding: 5px 13px;
  background: transparent;
  color: var(--fg-dim);
  border: none; border-radius: 6px;
  font-weight: 600; font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.stage-tab:hover { color: var(--fg); }
.stage-tab.active { background: var(--accent); color: white; box-shadow: 0 4px 12px -4px var(--accent); }
.stage-tab:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }
/* Гарантия, что [hidden] действительно скрывает элемент, даже если в CSS задан
   явный display (например display:flex у .numbering-controls / .stroke-control).
   Браузерный дефолт [hidden] => display:none побеждается любым display:… в CSS,
   поэтому дублируем !important — одно место, покрывает все будущие случаи. */
[hidden] { display: none !important; }

.toolbar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }

.toolbar .spacer { flex: 1; }

.export-controls { display: flex; align-items: center; gap: 6px; }
.export-preview.active { color: white; border-color: var(--accent); background: var(--accent); }
.export-download { padding: 7px 12px; border-radius: 9px; }
.export-folder-status { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--accent-2); font-size: 11px; }

/* Export folder button states */
#btnChooseExportFolder.folder-missing {
  color: #fff;
  background: var(--err);
  border-color: var(--err);
  box-shadow: 0 0 0 1px var(--err), 0 0 12px -4px var(--err);
}
#btnChooseExportFolder.folder-missing:hover {
  filter: brightness(1.1);
}
#btnChooseExportFolder.folder-selected {
  color: #fff;
  background: var(--ok);
  border-color: var(--ok);
  box-shadow: 0 0 0 1px var(--ok), 0 0 12px -4px var(--ok);
}
#btnChooseExportFolder.folder-selected:hover {
  filter: brightness(1.1);
}

/* Export action buttons - muted state (no folder selected) */
.export-controls .file-btn.export-muted,
.export-controls .ghost-btn.export-muted {
  opacity: 0.45;
  cursor: not-allowed;
}
.export-controls .file-btn.export-muted:hover,
.export-controls .ghost-btn.export-muted:hover {
  filter: none;
  transform: none;
}

/* Export action buttons - ready state (cyan/blue) when folder selected */
.export-controls .file-btn.export-ready,
.export-controls .ghost-btn.export-ready {
  color: #fff !important;
  background: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  box-shadow: 0 0 0 1px var(--accent-2), 0 0 12px -4px var(--accent-2) !important;
}
.export-controls .file-btn.export-ready:hover,
.export-controls .ghost-btn.export-ready:hover {
  filter: brightness(1.1);
}

/* Export download buttons - saved state (pale cyan) */
.export-controls .file-btn.saved,
.export-controls .ghost-btn.saved {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.15) !important;
  box-shadow: none !important;
}
.export-controls .file-btn.saved:hover,
.export-controls .ghost-btn.saved:hover {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.25) !important;
}

/* Saved state takes precedence over ready state */
.export-controls .file-btn.saved.export-ready,
.export-controls .ghost-btn.saved.export-ready {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.15) !important;
  box-shadow: none !important;
}
.export-controls .file-btn.saved.export-ready:hover,
.export-controls .ghost-btn.saved.export-ready:hover {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.25) !important;
}

/* Saved state takes precedence over ready state */
.export-controls .file-btn.saved.export-ready,
.export-controls .ghost-btn.saved.export-ready {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.12) !important;
  box-shadow: none !important;
}
.export-controls .file-btn.saved.export-ready:hover,
.export-controls .ghost-btn.saved.export-ready:hover {
  color: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
  background: rgba(78, 224, 208, 0.2) !important;
}

/* Плавающая панель зума внутри вьюера */
.zoom-panel {
  position: absolute;
  left: 12px; bottom: 12px;
  display: flex; align-items: center; gap: 4px;
  background: rgba(17, 20, 27, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 11px;
  padding: 5px;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.6);
  z-index: 10;
  opacity: 0.5;
  transition: opacity 0.18s;
}
.zoom-panel:hover { opacity: 1; }
.zoom-panel button {
  width: 30px; height: 30px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-dim);
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}
.zoom-panel button:hover { color: var(--fg); background: var(--bg-3); border-color: var(--accent); }
#zoomLabel {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--fg-dim);
  min-width: 44px;
  text-align: center;
  user-select: none;
}

.stroke-control {
  display: flex; align-items: center; gap: 8px;
  color: var(--fg-dim); font-size: 12px;
}
.stroke-control input[type=range] { width: 90px; accent-color: var(--accent); }
.stroke-control .val { font-variant-numeric: tabular-nums; min-width: 34px; color: var(--fg); }

/* Панель настройки нумерации: кегль + количество цифр в пятнах */
.numbering-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  padding: 6px 10px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  max-width: 720px;
}
/* display:flex выше перебивает браузерное поведение [hidden] (по умолчанию
   hidden => display:none, но любой явный display не даёт ему сработать).
   Поэтому явно: в скрытом состоянии блока нет. */
.numbering-controls[hidden] { display: none !important; }
.num-control {
  display: flex; align-items: center; gap: 8px;
  color: var(--fg-dim); font-size: 12px;
}
.num-control input[type=range] { width: 100px; accent-color: var(--accent-2); }
.num-control .val { font-variant-numeric: tabular-nums; min-width: 34px; color: var(--fg); }

/* Панель чекбоксов показа диагностических слоёв (вкладка «Диагностика»).
   Те же отступы/фон/радиус, что у .numbering-controls — лежит с ней в одном
   тулбаре. Каждый слой диагностики живёт и показывается независимо. */
.diag-toggles {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px;
  padding: 6px 10px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  font-size: 12px;
  color: var(--fg-dim);
  max-width: 720px;
}
/* display:flex перебивает [hidden] — явно гасим, как у .numbering-controls. */
.diag-toggles[hidden] { display: none !important; }
.diag-toggles-label {
  text-transform: uppercase; letter-spacing: 1px; font-size: 10px;
  color: var(--fg-mute); font-weight: 700;
}
.diag-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.diag-toggle input[type=checkbox] { accent-color: var(--accent-2); width: 14px; height: 14px; cursor: pointer; }

.viewer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(124, 92, 255, 0.08), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(78, 224, 208, 0.06), transparent 55%),
    var(--bg-0);
}
.viewer-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.stage-wrap {
  position: absolute; inset: 0;
  overflow: hidden;
  touch-action: none;
  user-select: none;
}
.stage-wrap.dragging { cursor: grabbing; }
.stage-wrap:not(.dragging) { cursor: grab; }
.stage-wrap svg {
  display: block;
  width: 100%;
  height: 100%;
  /* Никаких transform/will-change — SVG рендерится векторно через viewBox. */
}

.viewer-hint {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg-mute);
  font-size: 14px;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.25s;
}
.viewer.has-content .viewer-hint { opacity: 0; }

/* ===== Status bar ===== */
.statusbar {
  display: flex; align-items: center; gap: 14px;
  padding: 0 14px;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--fg-dim);
}
.progress-wrap { display: flex; align-items: center; gap: 8px; }
.progress-track { width: 180px; height: 5px; background: var(--bg-3); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.2s; border-radius: 3px; }
#progressLabel { font-variant-numeric: tabular-nums; }

/* ===== Log (floating) ===== */
.log-panel {
  position: fixed;
  right: 16px; bottom: 46px;
  width: 360px; max-height: 38vh;
  background: rgba(17, 20, 27, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  z-index: 20;
  transition: max-height 0.25s ease, min-height 0.25s ease;
}
.log-panel.collapsed {
  max-height: 40px;
  min-height: 40px;
}
.log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--fg-mute);
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.log-toggle {
  background: none;
  border: none;
  color: var(--fg-mute);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
.log-toggle:hover {
  background: var(--bg-3);
  color: var(--fg);
}
.log-box { padding: 6px 12px 10px; overflow-y: auto; max-height: 32vh; font-family: "JetBrains Mono", "Consolas", monospace; font-size: 11px; }
.log-panel.collapsed .log-box { display: none; }
.log-line { display: flex; gap: 8px; padding: 2px 0; }
.log-time { color: var(--fg-mute); flex-shrink: 0; }
.log-msg { color: var(--fg-dim); }
.log-info .log-msg { color: var(--fg-dim); }
.log-ok .log-msg { color: var(--ok); }
.log-warn .log-msg { color: var(--warn); }
.log-err .log-msg { color: var(--err); }

/* ===== Drop overlay ===== */
.drop-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
  pointer-events: none;
}
.drop-overlay.active { display: flex; }
.drop-overlay .card {
  padding: 40px 60px;
  border: 2px dashed var(--accent);
  border-radius: 16px;
  font-size: 18px;
  color: var(--fg);
  background: var(--bg-1);
  box-shadow: var(--shadow);
}

/* ===== Scrollbars ===== */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== Palette settings (floating) ===== */
/* По образцу .log-panel, но top:80px — чтобы не накладывался на журнал
   (журнал снизу-справа). Слайдеры переиспользуют .num-control. */
.palette-settings-panel {
  position: fixed;
  right: 16px; top: 80px;
  width: 320px;
  background: rgba(17, 20, 27, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 21;
  display: flex;
  flex-direction: column;
}
.palette-settings-panel[hidden] { display: none; }
.psp-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px;
  font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--fg-mute); font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.psp-close {
  width: 22px; height: 22px;
  background: transparent; border: 1px solid transparent;
  color: var(--fg-dim); border-radius: 6px;
  font-size: 16px; line-height: 1; cursor: pointer;
  padding: 0;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.psp-close:hover { color: var(--fg); border-color: var(--line-2); background: var(--bg-3); }
.psp-body {
  display: flex; flex-direction: column; gap: 10px;
  padding: 12px;
}
.psp-body .num-control { font-size: 12px; }
.psp-body .num-control input[type=range] { flex: 1; width: auto; }
/* Кнопки −/+ по бокам слайдеров: мини-квадраты, не дают слайдеру
   растягиваться под них (слайдер берёт flex:1). bold + monospace,
   чтобы минус/плюс читались. Соседние → строчная навигация (Tab/Shift-Tab). */
.pal-step {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px; font-weight: 600; line-height: 1;
  color: var(--fg-dim);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}
.pal-step:hover { color: var(--fg); border-color: var(--line-2); background: var(--bg-3); }
.pal-step:active { transform: translateY(1px); }
.psp-reset { align-self: flex-start; margin-top: 4px; }

/* ===== Palette dropdown (manual assign) ===== */
/* Position: fixed, app.js выставляет left/top под плиткой. Сетка цветных
   плиток — все цвета палитры сразу, без листания. Имя внутри плитки
   контрастным цветом (как .color-tile в sidebar, но компактнее). */
.palette-dropdown {
  position: fixed;
  z-index: 22;
  display: grid;
  grid-template-columns: repeat(8, 56px);
  grid-auto-rows: 46px;
  gap: 4px;
  background: rgba(17, 20, 27, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 8px;
  max-height: 70vh;
  overflow-y: auto;
}
.palette-dropdown[hidden] { display: none; }
.pd-tile {
  position: relative;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  overflow: hidden;
  transition: transform 0.1s, box-shadow 0.1s;
}
.pd-tile:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.pd-tile .ct-name {
  font-size: 10px;
  font-weight: 700;
  font-family: "JetBrains Mono", "Consolas", monospace;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  line-height: 1.05;
}
.pd-tile.is-dark .ct-name { color: #fff; }
.pd-tile.is-light .ct-name { color: #1a1a1a; text-shadow: 0 1px 1px rgba(255,255,255,0.35); }
.pd-tile.active { box-shadow: 0 0 0 2px var(--accent-2), 0 2px 8px rgba(0,0,0,0.3); }
/* «Авто» — нейтральная плитка (сброс ручного подбора). */
.pd-auto {
  background: var(--bg-3);
  border: 1px dashed var(--line-2);
}
.pd-auto .ct-name { color: var(--fg-dim); text-shadow: none; }
.pd-auto.active { box-shadow: 0 0 0 2px var(--accent-2); }
.pd-auto:hover .ct-name { color: var(--fg); }

/* ===== Commit badge (dirty indicator на кнопке «Применить») ===== */
.commit-badge {
  display: inline-block;
  margin-left: 5px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 6px rgba(255, 180, 84, 0.7);
  vertical-align: middle;
}
.commit-badge[hidden] { display: none; }
#btnPaletteCommit:not(:disabled) { transition: color 0.15s, border-color 0.15s; }
/* Когда есть незакоммиченные правки — подсвечиваем кнопку. */
#btnPaletteCommit:not(:disabled):has(.commit-badge:not([hidden])) {
  color: var(--warn);
  border-color: var(--warn);
}

/* ===== Вкладка «Логи» (read-only публичный беклог серверных операций) ===== */
.logs-scene {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  background: var(--bg-0);
  overflow: hidden;
  z-index: 2; /* поверх пустого stage-wrap после viewer.setSVG(null) */
}
.logs-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.logs-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-mute);
}
.logs-body {
  flex: 1;
  overflow: auto;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 11px;
}
.logs-empty {
  color: var(--fg-mute);
  padding: 24px 4px;
  text-align: center;
}
.logs-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto;
}
.logs-table th, .logs-table td {
  padding: 5px 8px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  white-space: nowrap;
}
.logs-table th {
  position: sticky;
  top: 0;
  background: var(--bg-1);
  color: var(--fg-dim);
  font-weight: 600;
  text-transform: none;
  z-index: 1;
}
.logs-table tbody tr:nth-child(even) { background: var(--bg-1); }
.logs-table tr.ok { color: var(--fg-dim); }
.logs-table tr.error { color: var(--warn); }
.logs-table tr.error .c-status { color: var(--warn); }
.logs-table tr.ok .c-status { color: var(--ok); }
.logs-table .c-t { color: var(--fg-mute); }
.logs-table .c-ms { color: var(--fg-mute); }
.logs-table .c-file { max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.logs-table .c-status { font-weight: 700; }
.logs-err {
  color: var(--warn);
  font-size: 10.5px;
  max-width: 360px;
  white-space: normal;
  word-break: break-word;
  margin-top: 2px;
}

/* ===== Queue Panel ===== */
.queue-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  background: var(--bg-0);
  overflow: hidden;
  z-index: 2;
}
.queue-panel[hidden] { display: none !important; }

.queue-upload {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.queue-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.queue-empty {
  color: var(--fg-mute);
  padding: 24px 4px;
  text-align: center;
  font-size: 13px;
}

.queue-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto auto;
  grid-template-areas: "name info edit status settings remove";
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.queue-item:hover {
  border-color: var(--line-2);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.queue-item.processing {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 16px -4px var(--accent);
}
.queue-item.done {
  border-color: var(--ok);
}
.queue-item.error {
  border-color: var(--err);
}
.queue-item.editing {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2), 0 4px 16px -4px var(--accent-2);
}
.queue-item.manual-palette,
.queue-item.manual-numbering,
.queue-item.manual-diagnose {
  border-color: var(--warn);
}

.qi-name {
  grid-area: name;
  font-weight: 600;
  font-size: 13px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.qi-info {
  grid-area: info;
  font-size: 11px;
  color: var(--fg-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.qi-status {
  grid-area: status;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
}
.qi-status.pending { color: var(--fg-dim); background: var(--bg-2); }
.qi-status.processing { color: var(--accent); background: rgba(124, 92, 255, 0.15); }
.qi-status.done { color: var(--ok); background: rgba(95, 225, 164, 0.15); }
.qi-status.error { color: var(--err); background: rgba(255, 92, 124, 0.15); }
.qi-status.editing { color: var(--accent-2); background: rgba(78, 224, 208, 0.15); }
.qi-status.manual-palette,
.qi-status.manual-numbering,
.qi-status.manual-diagnose { color: var(--warn); background: rgba(255, 196, 92, 0.15); }

.qi-edit,
.qi-settings,
.qi-remove {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--fg-dim);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.qi-edit {
  grid-area: edit;
  width: auto;
  padding: 0 9px;
  font-size: 11px;
  white-space: nowrap;
}
.qi-settings:hover,
.qi-remove:hover {
  color: var(--fg);
  border-color: var(--accent);
  background: var(--bg-3);
}
.qi-edit:hover {
  color: var(--fg);
  border-color: var(--accent);
  background: var(--bg-3);
}
.qi-remove:hover {
  color: var(--err);
  border-color: var(--err);
}
.qi-remove:active {
  transform: translateY(1px);
}

.qi-settings-panel {
  grid-column: 1 / -1;
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  margin-top: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  border-top: none;
}
.qi-settings-panel.open {
  display: flex;
}

.qi-settings-panel .num-control {
  flex: 1;
}
.qi-settings-panel .num-control input[type=range] {
  flex: 1;
  width: auto;
}
.qi-settings-panel .pal-step {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px; font-weight: 600; line-height: 1;
  color: var(--fg-dim);
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}
.qi-settings-panel .pal-step:hover {
  color: var(--fg); border-color: var(--line-2); background: var(--bg-2);
}
.qi-settings-panel .pal-step:active { transform: translateY(1px); }

.qi-export-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
.qi-export-flags label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-dim);
  cursor: pointer;
  user-select: none;
}
.qi-export-flags input[type=checkbox] {
  accent-color: var(--accent-2);
  width: 14px; height: 14px;
}

.queue-actions {
  display: flex;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  justify-content: flex-end;
}
.queue-actions .ghost-btn.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 4px 14px -4px var(--accent);
}

/* ===== Raster Panel ===== */
.raster-panel {
  /* Controls bar below toolbar - not full-screen overlay */
  display: flex;
  flex-direction: column;
  padding: 8px 14px;
  background: var(--bg-0);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}
.raster-panel[hidden] { display: none !important; }

/* ===== Raster Controls ===== */
.raster-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.raster-controls[hidden] { display: none !important; }

.raster-info {
  font-size: 11px;
  color: var(--accent-2);
  background: rgba(78, 224, 208, 0.12);
  border: 1px solid rgba(78, 224, 208, 0.35);
  border-radius: 6px;
  padding: 4px 8px;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.raster-controls select {
  padding: 5px 10px;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-size: 12px;
  min-width: 200px;
}
.raster-controls select:disabled { opacity: 0.5; cursor: not-allowed; }

.raster-compare {
  display: flex;
  align-items: center;
  gap: 8px;
}
.raster-compare[hidden] { display: none !important; }
.raster-compare input[type=range] {
  width: 200px;
  accent-color: var(--accent-2);
}
.swipe-label {
  font-size: 11px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.raster-sliders {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 6px 10px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  max-width: 720px;
}
.raster-sliders[hidden] { display: none !important; }
.raster-sliders .num-control {
  display: flex; align-items: center; gap: 8px;
  color: var(--fg-dim); font-size: 12px;
}
.raster-sliders .num-control input[type=range] {
  width: 100px;
  accent-color: var(--accent-2);
}
.raster-sliders .num-control .val {
  font-variant-numeric: tabular-nums;
  min-width: 34px;
  color: var(--fg);
}

/* ===== Aspect Ratio Crop Controls ===== */
.raster-aspect-crop {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.raster-aspect-crop[hidden] { display: none !important; }

.aspect-crop-inputs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 4px 8px;
}

.aspect-input {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--fg-dim);
  font-size: 12px;
}

.aspect-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-mute);
}

.aspect-input input[type=number] {
  width: 50px;
  padding: 4px 8px;
  background: var(--bg-3);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.aspect-input input[type=number]:focus {
  outline: none;
  border-color: var(--accent-2);
}

.aspect-swap {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 16px;
  line-height: 1;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  color: var(--fg-dim);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.aspect-swap:hover:not(:disabled) {
  color: var(--fg);
  border-color: var(--accent);
  background: var(--bg-3);
}
.aspect-swap:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.aspect-crop-maxdim {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 4px 8px;
}

.aspect-crop-maxdim .aspect-input {
  color: var(--fg-dim);
  font-size: 12px;
}

.aspect-crop-maxdim .aspect-input input[type=number] {
  width: 70px;
}

/* Max colors control */
.raster-max-colors {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 8px 12px;
  flex-wrap: wrap;
}

.max-colors-label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--fg-dim);
  font-size: 12px;
}

.max-colors-label .aspect-label {
  margin-right: 4px;
}

.max-colors-label .pal-step {
  width: 24px;
  height: 24px;
  font-size: 14px;
  line-height: 1;
}

.max-colors-label input[type=number] {
  width: 60px;
  text-align: center;
}

.max-colors-unlimited {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg);
  cursor: pointer;
  padding: 4px 8px;
  background: var(--bg-1);
  border-radius: 6px;
  border: 1px solid var(--line-2);
}

.max-colors-unlimited input[type=checkbox] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

/* Raster canvas styling */
.raster-canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.raster-source {
  opacity: 1;
}
.raster-result {
  /* clipped by swipe */
}

/* Swipe handle canvas */
.raster-swipe-handle {
  pointer-events: none;
}

/* Make sure viewer doesn't show grid/hint for raster mode */
.viewer:has(.raster-canvas) .viewer-grid,
.viewer:has(.raster-canvas) .viewer-hint {
  display: none;
}

/* ===== Responsive Layout ===== */

/* Tablet and small desktop: sidebar shrinks */
@media (max-width: 1200px) {
  .main {
    grid-template-columns: 280px 1fr;
  }
  .sidebar section {
    padding: 10px 12px;
  }
  .stat-grid { gap: 6px; }
  .stat { padding: 7px 9px; }
  .stat .value { font-size: 16px; }
  .stat.full .value { font-size: 20px; }
  .colors-list { grid-template-columns: repeat(3, 1fr); }
  .toolbar { gap: 4px; padding: 6px 10px; }
  .stage-tab { padding: 4px 10px; font-size: 11px; }
  .numbering-controls { gap: 6px 10px; padding: 4px 8px; }
  .diag-toggles { gap: 4px 10px; padding: 4px 8px; }
  .log-panel { width: 320px; right: 12px; }
  .palette-settings-panel { width: 280px; right: 12px; }
}

/* Small tablet: sidebar becomes overlay */
@media (max-width: 1000px) {
  .main {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    top: 52px; /* topbar height */
    left: 0;
    bottom: 30px; /* statusbar height */
    width: 280px;
    max-height: calc(100vh - 82px);
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow);
    border-right: 1px solid var(--line);
    overflow-y: auto;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .workspace {
    grid-template-rows: auto 1fr;
  }
  
  /* Mode selector on tablet: slightly more compact */
  .mode-btn { padding: 6px 10px; font-size: 11px; }
  
  /* More menu */
  .more-trigger { width: 32px; height: 32px; font-size: 18px; }
  .more-dropdown { min-width: 140px; }
  .more-item { padding: 7px 10px; font-size: 12px; }
  .more-item.file-btn { padding: 7px 10px; font-size: 11px; }

  /* Sidebar toggle button in toolbar */
  .sidebar-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-3);
    border: 1px solid var(--line-2);
    border-radius: 8px;
    color: var(--fg-dim);
    cursor: pointer;
    font-size: 16px;
    margin-right: 4px;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
  }
  .sidebar-toggle:hover {
    color: var(--fg);
    border-color: var(--accent);
    background: var(--bg-2);
  }
  
  /* Backdrop for sidebar */
  .sidebar-backdrop {
    display: none;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    bottom: 30px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 25;
  }
  .sidebar-backdrop.visible { display: block; }
}

/* Mobile and narrow screens: stacked layout */
@media (max-width: 800px) {
  body { overflow: auto; }
  body > header.topbar { position: sticky; top: 0; z-index: 10; }
  
  /* Topbar: wrap items, smaller padding */
  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 10px;
    height: auto;
    min-height: 52px;
  }
  .brand .name { font-size: 13px; }
  .brand .tag { font-size: 10px; }
  .topbar .file-btn { flex: 1; min-width: 120px; justify-content: center; padding: 6px 10px; }
  .topbar .ghost-btn { flex: 1; min-width: 80px; justify-content: center; padding: 6px 10px; }
  .topbar .spacer { display: none; }
  
  /* Toolbar: wrap controls, hide less critical ones */
  .toolbar {
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 8px;
  }
  .stage-tabs { order: 0; flex-basis: 100%; margin-bottom: 4px; }
  .stage-tab { padding: 4px 8px; font-size: 11px; }
  .stroke-control { display: none; } /* Hidden on mobile */
  .numbering-controls { order: 2; flex-basis: 100%; max-width: none; gap: 6px 10px; }
  .diag-toggles { order: 3; flex-basis: 100%; max-width: none; gap: 4px 8px; font-size: 11px; }
  .diag-toggle { font-size: 11px; }
  .export-controls { order: 4; flex-basis: 100%; flex-wrap: wrap; gap: 6px; justify-content: flex-start; }
  .export-controls .ghost-btn { flex: 1; min-width: 100px; text-align: center; }
  .export-folder-status { max-width: 100%; order: 5; flex-basis: 100%; margin-top: 4px; font-size: 10px; }
  
  /* Hide some advanced buttons on mobile to save space */
  .toolbar #btnShake,
  .toolbar #btnRedistribute,
  .toolbar #btnDiagnoseRun,
  .toolbar #btnFindDangling,
  .toolbar #btnFindHairs,
  .toolbar #btnFindMerge,
  .toolbar #btnDownloadMergeShared,
  .toolbar #btnDownloadMergeVerify,
  .toolbar #btnDebugMergeShared,
  .toolbar #btnApplyMergeToExport,
  .toolbar #btnCoverage,
  .toolbar #btnSaveToQueue {
    display: none;
  }
  
  /* Status bar: wrap */
  .statusbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 10px;
    font-size: 10px;
  }
  .progress-track { width: 120px; }
  .statusbar > span:last-child { order: 3; flex-basis: 100%; font-size: 9px; color: var(--fg-mute); }
  
  /* Floating panels: adapt to viewport */
  .log-panel {
    width: calc(100vw - 24px);
    max-width: 100%;
    right: 12px;
    left: 12px;
    bottom: 12px;
    max-height: 40vh;
    border-radius: 12px 12px 0 0;
  }
  .log-panel.collapsed { max-height: 44px; min-height: 44px; }
  .log-box { max-height: 35vh; }
  
  .palette-settings-panel {
    width: calc(100vw - 24px);
    max-width: 100%;
    right: 12px;
    left: 12px;
    top: auto;
    bottom: 52px; /* above statusbar */
    max-height: 50vh;
    border-radius: 12px 12px 0 0;
  }
  
  /* Palette dropdown: fewer columns on mobile */
  .palette-dropdown {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 50px;
    left: 12px !important;
    right: 12px !important;
    max-width: calc(100vw - 24px);
  }
  .pd-tile { padding: 4px; }
  .pd-tile .ct-name { font-size: 9px; }
  
  /* Colors list: 2 columns on mobile */
  .colors-list { grid-template-columns: repeat(2, 1fr); }
  .color-tile { aspect-ratio: 1 / 1; }
  .color-tile .ct-name { font-size: 10px; }
  .color-tile .ct-blobs { font-size: 9px; }

  /* Mode selector: show labels on tablet, icons only on mobile */
  .mode-btn { padding: 6px 8px; }
  .mode-label { display: inline; font-size: 11px; }

  /* More menu */
  .more-trigger { width: 32px; height: 32px; font-size: 18px; }
  .more-dropdown { min-width: 140px; }
  .more-item { padding: 7px 10px; font-size: 12px; }
  .more-item.file-btn { padding: 7px 10px; font-size: 11px; }
  
  /* Queue panel adjustments */
  .queue-item {
    grid-template-columns: 1fr;
    grid-template-areas:
      "name"
      "info"
      "edit"
      "status"
      "settings"
      "remove";
    gap: 6px;
    padding: 10px;
  }
  .qi-name { max-width: none; white-space: normal; text-overflow: clip; }
  .qi-info { white-space: normal; text-overflow: clip; }
  .qi-edit { justify-self: start; }
  .qi-settings, .qi-remove { justify-self: end; }
  .qi-settings-panel { padding: 10px; }
  
  /* Raster controls: stack vertically */
  .raster-controls { gap: 8px; }
  .raster-controls select { min-width: 0; width: 100%; }
  .raster-info { max-width: 100%; white-space: normal; }
  .aspect-crop-inputs { width: 100%; justify-content: space-between; }
  .aspect-input input[type=number] { width: 60px; }
  .aspect-crop-maxdim { width: 100%; justify-content: space-between; }
  .aspect-crop-maxdim .aspect-input input[type=number] { width: 80px; }
  .raster-max-colors { width: 100%; justify-content: space-between; }
  .raster-sliders { max-width: none; gap: 6px 8px; }
  .raster-sliders .num-control { flex: 1; min-width: 140px; }
  .raster-sliders .num-control input[type=range] { flex: 1; width: auto; }
  .raster-compare input[type=range] { width: 100%; max-width: 100%; }
}

/* Very narrow screens (phones in portrait) */
@media (max-width: 480px) {
  .topbar { padding: 6px 8px; gap: 6px; }
  .brand .logo { width: 22px; height: 22px; border-radius: 5px; }
  .brand .name { font-size: 12px; }
  .brand .tag { display: none; }
  .file-btn, .ghost-btn { padding: 5px 8px; font-size: 12px; }
  .file-btn { min-width: 100px; }
  .ghost-btn { min-width: 70px; }

  /* Mode selector: shorter labels on very small screens */
  .mode-selector { gap: 0; }
  .mode-btn { padding: 5px 8px; font-size: 11px; }
  
  /* More menu */
  .more-trigger { width: 28px; height: 28px; font-size: 16px; }
  .more-dropdown { min-width: 130px; right: -4px; }
  .more-item { padding: 6px 8px; font-size: 11px; }
  .more-item.file-btn { padding: 6px 8px; font-size: 10px; }
  
  .toolbar { padding: 4px 6px; gap: 4px; }
  .stage-tab { padding: 3px 6px; font-size: 10px; }
  .numbering-controls { gap: 4px 6px; padding: 3px 6px; }
  .num-control { font-size: 11px; gap: 4px; }
  .num-control input[type=range] { width: 70px; }
  .num-control .val { min-width: 28px; font-size: 11px; }
  .diag-toggles { gap: 3px 6px; padding: 3px 6px; font-size: 10px; }
  .diag-toggle { font-size: 10px; gap: 4px; }
  .diag-toggle input[type=checkbox] { width: 12px; height: 12px; }
  
  .export-controls .ghost-btn { min-width: 80px; padding: 5px 6px; font-size: 11px; }
  .export-folder-status { font-size: 9px; }
  
  .statusbar { padding: 4px 8px; gap: 6px; }
  .progress-track { width: 80px; }
  
  .log-panel { width: calc(100vw - 16px); right: 8px; left: 8px; bottom: 8px; }
  .palette-settings-panel { width: calc(100vw - 16px); right: 8px; left: 8px; bottom: 48px; }
  
  .sidebar { width: calc(100vw - 16px); max-width: 280px; }
  
  .colors-list { grid-template-columns: repeat(2, 1fr); gap: 3px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat { padding: 6px 8px; }
  .stat .value { font-size: 18px; }
  .stat.full .value { font-size: 24px; }
  
  .raster-controls { gap: 6px; }
  .raster-sliders { gap: 4px 6px; padding: 4px 6px; }
  .raster-sliders .num-control { min-width: 120px; font-size: 11px; }
  .raster-max-colors { padding: 6px 8px; gap: 8px; }
  .max-colors-label { font-size: 11px; }
  .max-colors-label input[type=number] { width: 50px; }
  .max-colors-unlimited { font-size: 11px; padding: 3px 6px; }
  
  .queue-upload { gap: 6px; }
  .queue-upload .file-btn, .queue-upload .ghost-btn { flex: 1; min-width: 0; padding: 5px 8px; font-size: 11px; }
}

/* Landscape phones: sidebar overlay adjustments */
@media (max-height: 500px) and (orientation: landscape) {
  .sidebar { top: 48px; bottom: 28px; max-height: calc(100vh - 76px); }
  .sidebar-backdrop { top: 48px; bottom: 28px; }
  .log-panel { max-height: 50vh; }
  .log-box { max-height: 45vh; }
  .palette-settings-panel { max-height: 60vh; bottom: 28px; }
}

/* Print styles - hide UI chrome */
@media print {
  .topbar, .sidebar, .toolbar, .statusbar, .log-panel, .palette-settings-panel,
  .palette-dropdown, .drop-overlay, .queue-panel, .raster-panel,
  .sidebar-toggle, .sidebar-backdrop {
    display: none !important;
  }
  .main { display: block; }
  .workspace { display: block; }
  .viewer { position: static; height: auto; min-height: 100vh; }
  .stage-wrap { position: static; height: auto; }
  .stage-wrap svg { width: 100%; height: auto; }
}


/* ===== Independent Renaming mode ===== */
body.renaming-mode .main { grid-template-columns: minmax(0, 1fr); }
body.renaming-mode .sidebar,
body.renaming-mode .toolbar,
body.renaming-mode #viewer,
body.renaming-mode .log-panel,
body.renaming-mode .palette-settings-panel,
body.renaming-mode .palette-dropdown,
body.renaming-mode .drop-overlay,
body.renaming-mode .sidebar-backdrop,
body.renaming-mode #fileInputLabel,
body.renaming-mode #moreMenu { display: none !important; }

body.renaming-mode .workspace {
  min-width: 0;
  width: 100%;
  overflow: hidden;
}

.renaming-panel {
  height: 100%;
  overflow: auto;
  padding: 24px;
  background: var(--bg-0);
}

.renaming-title {
  max-width: 1180px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.renaming-title h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: .2px;
}

.renaming-subtitle {
  color: var(--fg-dim);
  margin-top: 4px;
  font-size: 12px;
}

.renaming-layout {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 18px;
}

.renaming-form,
.renaming-preview-wrap {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 12px 35px -25px rgba(0,0,0,.65);
}

.renaming-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.renaming-file {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 11px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
}

.renaming-label {
  color: var(--fg);
  font-weight: 600;
  font-size: 12px;
}

.renaming-file input[type="file"] {
  grid-column: 1 / -1;
  width: 100%;
  color: var(--fg-dim);
  font-size: 11px;
}

.renaming-file-status {
  grid-column: 1 / -1;
  min-height: 18px;
  color: var(--fg-dim);
  font-size: 11px;
  word-break: break-word;
}

.renaming-file-status[data-kind="selected"],
.renaming-file-status[data-kind="ok"] { color: var(--ok); }
.renaming-file-status[data-kind="error"] { color: var(--err); }

.renaming-article {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 11px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.renaming-article input {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--bg-0);
  color: var(--fg);
  font: 600 14px/1.2 Consolas, monospace;
  text-transform: uppercase;
}

.renaming-article input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.renaming-run {
  width: 100%;
  justify-content: center;
  margin-top: 2px;
  /* Незначительно отличаем кнопку ренейминга от основной accent-кнопки. */
  background: #7057e8;
}
.renaming-run:hover {
  background: #7057e8;
  filter: brightness(1.1);
}

.renaming-status {
  min-height: 20px;
  padding: 8px 10px;
  border-radius: 7px;
  background: var(--bg-2);
  color: var(--fg-dim);
  font-size: 11px;
}

.renaming-status[data-kind="ok"] { color: var(--ok); }
.renaming-status[data-kind="error"] { color: var(--err); }

.renaming-output-names {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  color: var(--fg-mute);
  font-size: 11px;
}

.renaming-output-names code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg-3);
  color: var(--fg-dim);
}

.renaming-preview-wrap {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.renaming-preview-title {
  color: var(--fg-dim);
  font-size: 11px;
  font-weight: 600;
}

#renamingPreview {
  width: min(100%, 560px);
  max-height: calc(100vh - 150px);
  object-fit: contain;
  align-self: center;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 10px 35px -18px #000;
}

@media (max-width: 900px) {
  .renaming-layout { grid-template-columns: 1fr; }
  #renamingPreview { max-width: 100%; }
}

.renaming-dropzone {
  border: 1px dashed var(--line-2);
  border-radius: 10px;
  padding: 16px 14px;
  text-align: center;
  background: var(--bg-2);
  color: var(--fg-dim);
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s, box-shadow .15s;
  user-select: none;
}
.renaming-dropzone:hover,
.renaming-dropzone:focus-visible,
.renaming-dropzone.dragover {
  border-color: var(--accent);
  background: rgba(124,92,255,.08);
  color: var(--fg);
  box-shadow: 0 0 0 1px rgba(124,92,255,.15);
  outline: none;
}
.renaming-dropzone.busy { opacity: .65; cursor: progress; }
.renaming-dropzone input[type=file] { display: none; }
.renaming-dropzone-title { font-weight: 700; font-size: 13px; }
.renaming-dropzone-sub,
.renaming-dropzone-hint { margin-top: 4px; font-size: 11px; color: var(--fg-dim); }
.renaming-dropzone-hint { color: var(--fg-mute); }

.renaming-single-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
}
.renaming-single-actions .ghost-btn {
  width: 100%;
  justify-content: center;
}