/* ─── Reset & Root ──────────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:        #0f0f0f;
  --panel:     #161616;
  --panel2:    #1c1c1c;
  --panel3:    #222222;
  --border:    rgba(255,255,255,0.08);
  --border2:   rgba(255,255,255,0.14);
  --text:      #e8e8e8;
  --text2:     #888;
  --text3:     #555;
  --accent:    #4D5DFA;
  --accent2:   #AE4DFA;
  --accent3:   #744DFA;
  --accent-bg: rgba(77,93,250,0.10);
  --accent-glow: rgba(77,93,250,0.55);
  --danger:    rgba(220,50,50,0.15);
  --danger-border: rgba(220,50,50,0.3);
  --danger-text: #f77;
  --sidebar:   280px;
  --toolbar:   52px;
  --radius:    6px;
  --dot:       rgba(255,255,255,0.06);
  --hover-bg:  rgba(255,255,255,0.07);
  --hover-border: rgba(255,255,255,0.22);
  --canvas-area-bg: #1e1e1e;
  --canvas-outline: rgba(255,255,255,0.12);
}

[data-skin="modern"][data-theme="light"] {
  --bg:        #ebebeb;
  --panel:     #f5f5f5;
  --panel2:    #ebebeb;
  --panel3:    #e0e0e0;
  --border:    rgba(0,0,0,0.07);
  --border2:   rgba(0,0,0,0.25);
  --text:      #1a1a1a;
  --text2:     #666;
  --text3:     #aaa;
  --accent:    #2a3bd4;
  --accent2:   #8a2ad4;
  --accent3:   #5a2ad4;
  --accent-bg: rgba(42,59,212,0.10);
  --accent-glow: rgba(42,59,212,0.45);
  --danger:    rgba(180,30,30,0.1);
  --danger-border: rgba(180,30,30,0.25);
  --danger-text: #c00;
  --dot:       rgba(0,0,0,0.07);
  --hover-bg:  rgba(0,0,0,0.05);
  --hover-border: rgba(0,0,0,0.28);
  --canvas-area-bg: #ebebeb;
  --canvas-outline: rgba(0,0,0,0.12);
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ─── Scrollbars ────────────────────────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border2) transparent; }
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ─── Loading Screen ────────────────────────────────────────────────────────── */
#loading-screen {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; z-index: 9999;
}
#loading-screen h1 {
  font-size: 20px; font-weight: 700; letter-spacing: -0.02em; color: var(--accent);
}
#loading-screen p { font-size: 12px; color: var(--text2); }
.loading-dots { display: flex; gap: 6px; }
.loading-dots span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: dot-pulse 1.2s ease-in-out infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dot-pulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ─── Toolbar ───────────────────────────────────────────────────────────────── */
#toolbar {
  height: var(--toolbar);
  min-height: var(--toolbar);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  flex-shrink: 0;
  overflow: hidden;
}

#toolbar h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-right: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.tb-sep {
  width: 1px;
  height: 22px;
  background: var(--border2);
  margin: 0 2px;
  flex-shrink: 0;
}

.tb-btn {
  height: 30px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}
.tb-btn:hover { background: var(--hover-bg); border-color: var(--hover-border); }
.tb-btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.tb-btn.primary:hover { background: #6b79fb; }
.tb-btn.danger { background: var(--danger); border-color: var(--danger-border); color: var(--danger-text); }
.tb-btn.purple { border-color: rgba(174,77,250,0.4); color: var(--accent2); }
.tb-btn.purple:hover { background: rgba(174,77,250,0.1); border-color: var(--accent2); }

#slide-count {
  font-size: 11px;
  color: var(--text3);
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─── Main Layout ───────────────────────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ─── Left Panel — Slides ───────────────────────────────────────────────────── */
#slides-panel {
  width: var(--sidebar);
  min-width: var(--sidebar);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

#slides-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
#slides-header span {
  font-size: 10px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.add-slide-btn {
  width: 22px; height: 22px;
  border-radius: 5px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
  transition: all 0.15s;
}
.add-slide-btn:hover { background: rgba(77,93,250,0.1); border-color: var(--accent); color: var(--accent); }

#slides-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slide-thumb {
  border-radius: 7px;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.15s;
  flex-shrink: 0;
  aspect-ratio: 1 / 1;
  background: #111;
}
.slide-thumb:hover { border-color: var(--hover-border); }
.slide-thumb.active { border-color: var(--accent); }
/* Multi-select (bulk delete) highlight — strong, theme-aware, clearly visible */
.slide-thumb.selected {
  border-color: var(--accent);
  background: var(--accent-bg);
  box-shadow: 0 0 0 2px var(--accent-glow), 0 2px 10px var(--accent-glow);
}
/* Checkmark badge in the corner of a selected thumb */
.slide-thumb.selected::after {
  content: '✓';
  position: absolute; top: 4px; left: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 700; line-height: 16px; text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
  pointer-events: none;
}
.slide-thumb.drag-over { border-color: var(--accent); border-style: dashed; opacity: 0.7; }
.slide-thumb.dragging-src { opacity: 0.35; }
.slide-thumb canvas { width: 100%; height: 100%; display: block; border-radius: 5px; }

/* "N selected" indicator in the slides header */
#sel-count {
  display: none;
  font-size: 10px !important; font-weight: 700;
  color: var(--accent) !important;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  padding: 1px 7px; border-radius: 10px;
  white-space: nowrap; line-height: 1.5;
  margin-left: auto;
  text-transform: none; letter-spacing: normal;
}

.slide-num {
  position: absolute; bottom: 4px; left: 5px;
  font-size: 9px; font-weight: 600; color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.55); padding: 1px 4px; border-radius: 3px;
  pointer-events: none;
}

.slide-del {
  position: absolute; top: 4px; right: 4px;
  width: 16px; height: 16px; border-radius: 3px;
  background: rgba(0,0,0,0.65); border: none;
  color: var(--danger-text); font-size: 10px; cursor: pointer;
  display: none; align-items: center; justify-content: center;
  transition: background 0.12s;
}
.slide-del:hover { background: rgba(220,50,50,0.5); }
.slide-thumb:hover .slide-del { display: flex; }

/* ─── Center — Canvas Area ──────────────────────────────────────────────────── */
#canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--canvas-area-bg);
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1px);
  background-size: 20px 20px;
  overflow: hidden;
  position: relative;
  padding: 16px 24px 12px;
  gap: 0;
}

/* Size switcher bar */
#size-bar {
  display: flex;
  gap: 5px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.size-btn {
  display: flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 10px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--panel);
  color: var(--text);
  font-family: inherit;
  font-size: 11px; font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.size-btn:hover { border-color: var(--border2); color: var(--text); }
.size-btn.active { border-color: var(--accent); color: #fff; background: var(--accent); }

.sz-icon {
  display: inline-block;
  width: 12px;
  background: currentColor;
  border-radius: 2px;
  opacity: 0.5;
  flex-shrink: 0;
}
.size-btn.active .sz-icon { opacity: 1; }
.sz-dim { font-size: 9px; opacity: 0.55; margin-left: 1px; }

/* Canvas wrapper */
#canvas-wrap {
  position: relative;
  box-shadow: 0 20px 70px rgba(0,0,0,0.65);
  border-radius: 3px;
  outline: 1px solid var(--canvas-outline);
  flex-shrink: 0;
}
#main-canvas { display: block; overflow: hidden; border-radius: 3px; }
#canvas-overlay {
  position: absolute; inset: 0;
  cursor: default;
  border-radius: 3px;
}
/* Background image selection box + corner handles */
#bg-selection-box {
  display: none;
  position: absolute;
  border: 1.5px solid var(--accent);
  pointer-events: none;
  z-index: 9;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.3);
}
.bg-corner-handle {
  position: absolute;
  width: 12px; height: 12px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 2px;
  z-index: 10;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  pointer-events: all;
}
.bg-corner-handle[data-corner="tl"] { cursor: nwse-resize; top: 0; left: 0; }
.bg-corner-handle[data-corner="tr"] { cursor: nesw-resize; top: 0; left: 100%; }
.bg-corner-handle[data-corner="bl"] { cursor: nesw-resize; top: 100%; left: 0; }
.bg-corner-handle[data-corner="br"] { cursor: nwse-resize; top: 100%; left: 100%; }

/* Selected text-block box + width resize handle */
#text-selection-box {
  display: none;
  position: absolute;
  border: 1.5px dashed var(--accent);
  pointer-events: none;
  z-index: 9;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.15);
}
#text-width-handle {
  position: absolute;
  top: 50%;
  left: 100%;
  width: 14px; height: 28px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 4px;
  z-index: 10;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  cursor: ew-resize;
  pointer-events: all;
}

#canvas-size-label {
  margin-top: 8px;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.04em;
  text-align: center;
  flex-shrink: 0;
}

/* ─── Right Panel — Controls ────────────────────────────────────────────────── */
#controls-panel {
  width: var(--sidebar);
  min-width: var(--sidebar);
  background: var(--panel);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.ctrl-section {
  border-bottom: 1px solid var(--border);
  padding: 12px;
}

.ctrl-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
}
.ctrl-row:last-child { margin-bottom: 0; }

.small-label {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Background-image layer list */
#bg-image-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.bg-img-item {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border2);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: var(--panel2);
}
.bg-img-item:hover { border-color: var(--hover-border); }
.bg-img-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.bg-img-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.bg-img-item-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 10px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s;
}
.bg-img-item-del:hover { background: #e63946; }
.bg-img-item-move {
  position: absolute;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: none;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 8px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, opacity 0.15s;
}
.bg-img-item-up { top: 2px; }
.bg-img-item-down { top: 20px; }
.bg-img-item-move:hover:not(:disabled) { background: var(--accent); }
.bg-img-item-move:disabled { opacity: 0.3; cursor: default; }

/* Inputs */
input[type=text], input[type=number], textarea, select {
  background: var(--panel2);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 12px;
  padding: 6px 8px;
  outline: none;
  transition: border 0.15s;
  width: 100%;
}
input[type=text]:focus, input[type=number]:focus, textarea:focus, select:focus {
  border-color: rgba(77,93,250,0.5);
}
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
select option { background: var(--panel2); }
input[type=number] { width: 64px; }

input[type=range] {
  -webkit-appearance: none;
  width: 100%; height: 3px;
  background: var(--border2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

input[type=color] {
  width: 30px; height: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: none;
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}

/* Color presets */
.color-presets { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.color-preset {
  width: 24px; height: 24px;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.12s;
  flex-shrink: 0;
}
.color-preset:hover, .color-preset.active {
  border-color: var(--hover-border);
  transform: scale(1.1);
}

/* BG type tabs */
.bg-tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.bg-tab {
  flex: 1; height: 26px;
  border-radius: 5px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.bg-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Gradient presets */
.grad-presets { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 6px; }
.grad-preset {
  height: 24px; border-radius: 4px;
  cursor: pointer; border: 2px solid transparent;
  transition: all 0.12s; flex: 1; min-width: 48px;
}
.grad-preset:hover, .grad-preset.active { border-color: var(--hover-border); }

/* Apply-to-all button */
.apply-all-btn {
  width: 100%; height: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: rgba(174,77,250,0.08);
  color: var(--accent2);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 6px;
}
.apply-all-btn:hover { background: rgba(174,77,250,0.18); border-color: var(--accent2); }

/* Text blocks list */
#text-blocks-list { display: flex; flex-direction: column; gap: 5px; }
.text-block-item {
  background: var(--panel2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 7px 9px;
  cursor: pointer;
  transition: all 0.12s;
  position: relative;
}
.text-block-item.active { border-color: var(--accent); background: var(--accent-bg); }
.text-block-item:hover { border-color: var(--hover-border); }
.tbi-label { font-size: 10px; color: var(--text2); margin-bottom: 2px; }
.tbi-preview {
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 210px;
  color: var(--text);
}
.tbi-del {
  position: absolute; top: 5px; right: 7px;
  background: none; border: none;
  color: var(--text3); font-size: 13px; cursor: pointer;
  line-height: 1;
}
.tbi-del:hover { color: var(--danger-text); }

.add-text-btn {
  width: 100%; height: 30px;
  border-radius: var(--radius);
  border: 1px dashed var(--border2);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 5px;
}
.add-text-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(77,93,250,0.06); }

/* Alignment buttons */
.align-btns { display: flex; gap: 4px; flex: 1; }
.align-btn {
  flex: 1; height: 26px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.align-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.align-btn:hover {
  background: rgba(77,93,250,0.12);
  border-color: var(--accent);
  color: var(--accent);
}

/* Position grid */
.pos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.pos-field label { font-size: 10px; color: var(--text2); display: block; margin-bottom: 2px; }
.pos-field input { width: 100%; }

.snap-btns { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 7px; }
.snap-btn {
  height: 24px; padding: 0 7px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}
.snap-btn:hover { background: var(--hover-bg); border-color: var(--hover-border); color: var(--text); }

/* Font controls */
.font-weight-row { display: flex; gap: 5px; }
.font-weight-row select { flex: 1; }

/* Toggle switch */
.toggle-row { display: flex; align-items: center; justify-content: space-between; }
.toggle-label { font-size: 11px; color: var(--text2); }
.toggle {
  position: relative; width: 32px; height: 18px; flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: var(--panel3); border-radius: 9px;
  border: 1px solid var(--border2);
  cursor: pointer; transition: background 0.2s;
}
.toggle input:checked + .toggle-track { background: var(--accent); border-color: var(--accent); }
.toggle-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--text2); transition: transform 0.2s, background 0.2s;
  pointer-events: none;
}
.toggle input:checked ~ .toggle-thumb { transform: translateX(14px); background: #000; }

/* Keyboard shortcut hint */
#kb-hint {
  position: fixed; bottom: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.7); border: 1px solid var(--border2);
  border-radius: 20px; padding: 4px 12px;
  font-size: 10px; color: var(--text3);
  pointer-events: none; white-space: nowrap;
  opacity: 0; transition: opacity 0.3s;
}
#kb-hint.show { opacity: 1; }

/* ─── Animation Preview Overlay ─────────────────────────────────────────────── */
#anim-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 100;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 18px;
}
#anim-overlay.show { display: flex; }
#anim-canvas { border-radius: 3px; box-shadow: 0 20px 60px rgba(0,0,0,0.8); }
#anim-controls { display: flex; gap: 8px; }
#anim-controls .tb-btn {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  color: #e8e8e8;
}
#anim-controls .tb-btn:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.45);
  color: #fff;
}
#anim-controls .tb-btn.danger {
  background: rgba(220,50,50,0.2);
  border-color: rgba(220,50,50,0.4);
  color: #f77;
}
#anim-controls .tb-btn.danger:hover {
  background: rgba(220,50,50,0.35);
  border-color: rgba(220,50,50,0.6);
}
#anim-info { color: rgba(255,255,255,0.5); font-size: 12px; }

/* ─── Export Modal ───────────────────────────────────────────────────────────── */
#export-modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 99;
  align-items: center; justify-content: center;
}
#export-modal.show { display: flex; }
#export-box {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 22px;
  width: 360px;
  display: flex; flex-direction: column; gap: 14px;
}
#export-box h3 { font-size: 15px; font-weight: 700; }
#export-box p { font-size: 12px; color: var(--text2); line-height: 1.6; }

/* ─── Help / Guide Modal ─────────────────────────────────────────────────────── */
#help-modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 99;
  align-items: center; justify-content: center;
}
#help-modal.show { display: flex; }
#help-box {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 22px;
  width: 480px;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 16px;
}
#help-box h3 { font-size: 15px; font-weight: 700; }
#help-box p { font-size: 12px; color: var(--text2); line-height: 1.6; }
.help-section { display: flex; flex-direction: column; gap: 6px; }
.help-heading {
  font-size: 10px; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.07em;
}
.help-list { margin: 0; padding-left: 18px; font-size: 12px; color: var(--text2); line-height: 1.65; }
.help-list li { margin-bottom: 3px; }
.help-list b { color: var(--text); font-weight: 600; }
.help-keys { display: flex; flex-direction: column; gap: 6px; }
.help-keys > div { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text2); }
.help-keys span { margin-left: 4px; }
.help-keys kbd {
  background: var(--panel2);
  border: 1px solid var(--border2);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  font-family: inherit;
  color: var(--text);
}

.export-fmt-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 7px; }
.export-fmt {
  border: 1.5px solid var(--border2);
  border-radius: 7px;
  padding: 9px 7px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  background: var(--panel2);
}
.export-fmt:hover { border-color: var(--hover-border); }
.export-fmt.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.fmt-icon {
  width: 100%; max-width: 48px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
}
.fmt-icon span { font-size: 9px; color: var(--text2); font-weight: 600; padding: 3px 0; }
.export-fmt.active .fmt-icon { background: rgba(255,255,255,0.18); }
.export-fmt.active .fmt-icon span { color: #fff; }
.fmt-name { font-size: 11px; font-weight: 600; color: var(--text); }
.fmt-dim { font-size: 9px; color: var(--text3); }

.progress-bar-wrap { height: 3px; background: var(--border2); border-radius: 2px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.2s; width: 0%; }

/* ─── Bulk Import Modal ──────────────────────────────────────────────────────── */
#bulk-modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 99;
  align-items: center; justify-content: center;
}
#bulk-modal.show { display: flex; }
#bulk-box {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 14px;
  width: 660px; max-width: 95vw; max-height: 90vh;
  display: flex; flex-direction: column;
  overflow: hidden;
}
#bulk-box h3 { font-size: 16px; font-weight: 700; color: var(--accent); }
.bulk-hint {
  background: rgba(77,93,250,0.06);
  border: 1px solid rgba(77,93,250,0.18);
  border-radius: 7px;
  padding: 10px 12px;
  font-size: 11px; line-height: 1.9;
  color: var(--text2);
  font-family: 'IBM Plex Mono', monospace;
  white-space: pre;
}
#bulk-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.bulk-chip {
  background: var(--panel2);
  border: 1px solid var(--border2);
  border-radius: 5px;
  padding: 4px 9px;
  font-size: 11px; color: var(--text2);
  display: flex; align-items: center; gap: 5px;
  max-width: 190px;
}
.bulk-chip-num {
  background: rgba(77,93,250,0.18);
  color: var(--accent);
  font-size: 9px; font-weight: 700;
  padding: 1px 4px; border-radius: 3px;
  flex-shrink: 0;
}
.bulk-chip-text {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ─── Empty State ────────────────────────────────────────────────────────────── */
#empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text3); pointer-events: none;
}
#empty-state p { font-size: 13px; }

/* ═══════════════════════════════════════════════════════════════════════════
   SKIN: DOS / BIOS BLUE TERMINAL   [data-skin="dos"]
   Override layer on top of the Modern base. Fixed single look (no light/dark).
   ═══════════════════════════════════════════════════════════════════════════ */

[data-skin="dos"] {
  --bg:        #0000a8;
  --panel:     #0000a8;
  --panel2:    #00008c;
  --panel3:    #000070;
  --border:    #00a8a8;
  --border2:   #00ffff;
  --text:      #ffffff;
  --text2:     #00ffff;
  --text3:     #008c8c;
  --accent:    #ffff00;
  --accent2:   #00ffff;
  --accent3:   #ff00ff;
  --accent-bg: rgba(255,255,0,0.14);
  --accent-glow: rgba(255,255,0,0.35);
  --danger:    rgba(255,0,0,0.22);
  --danger-border: #ff5555;
  --danger-text: #ff5555;
  --radius:    0px;
  --dot:       rgba(0,255,255,0.10);
  --hover-bg:  rgba(0,255,255,0.14);
  --hover-border: #ffff00;
  --canvas-area-bg: #000070;
  --canvas-outline: #00ffff;
  --bevel-light: #00ffff;
  --bevel-dark:  #000044;
}

/* DOS-86 LIGHT — classic gray dialog / "paper" mode */
[data-skin="dos"][data-theme="light"] {
  --bg:        #a8a8a8;
  --panel:     #c0c0c0;
  --panel2:    #a8a8a8;
  --panel3:    #909090;
  --border:    #545454;
  --border2:   #000000;
  --text:      #000000;
  --text2:     #0000a8;
  --text3:     #545454;
  --accent:    #0000a8;
  --accent2:   #008c8c;
  --accent3:   #8c008c;
  --accent-bg: rgba(0,0,168,0.14);
  --accent-glow: rgba(0,0,168,0.30);
  --danger:    rgba(168,0,0,0.16);
  --danger-border: #a80000;
  --danger-text: #a80000;
  --dot:       rgba(0,0,0,0.10);
  --hover-bg:  rgba(0,0,168,0.12);
  --hover-border: #0000a8;
  --canvas-area-bg: #909090;
  --canvas-outline: #000000;
  --bevel-light: #ffffff;
  --bevel-dark:  #545454;
}
/* Light-mode flips for elements that sit ON the accent color */
[data-skin="dos"][data-theme="light"] .tb-btn.primary,
[data-skin="dos"][data-theme="light"] .size-btn.active,
[data-skin="dos"][data-theme="light"] .bg-tab.active,
[data-skin="dos"][data-theme="light"] .align-btn.active,
[data-skin="dos"][data-theme="light"] .export-fmt.active,
[data-skin="dos"][data-theme="light"] .add-slide-btn:hover,
[data-skin="dos"][data-theme="light"] .bg-img-item-move:hover:not(:disabled) {
  color: #ffffff;
}
[data-skin="dos"][data-theme="light"] .slide-thumb.selected::after { color: #ffffff; border-color: #000; }
[data-skin="dos"][data-theme="light"] #sel-count { color: #ffffff !important; background: var(--accent); }
[data-skin="dos"][data-theme="light"] .bulk-chip-num { color: #ffffff; }
[data-skin="dos"][data-theme="light"] .toggle input:checked ~ .toggle-thumb { background: #ffffff; }
[data-skin="dos"][data-theme="light"] .slide-num { color: #ffff00; background: rgba(0,0,0,0.7); border-color: rgba(255,255,255,0.4); }
[data-skin="dos"][data-theme="light"] .slide-del,
[data-skin="dos"][data-theme="light"] .bg-img-item-del,
[data-skin="dos"][data-theme="light"] .bg-img-item-move { background: rgba(255,255,255,0.85); }
[data-skin="dos"][data-theme="light"] .slide-thumb { background: #707070; }
[data-skin="dos"][data-theme="light"] #anim-overlay,
[data-skin="dos"][data-theme="light"] #export-modal,
[data-skin="dos"][data-theme="light"] #help-modal,
[data-skin="dos"][data-theme="light"] #bulk-modal { background: rgba(0,0,0,0.55); }

[data-skin="dos"] body {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

/* bevel helpers */
[data-skin="dos"] #toolbar,
[data-skin="dos"] #slides-panel,
[data-skin="dos"] #controls-panel,
[data-skin="dos"] #export-box,
[data-skin="dos"] #help-box,
[data-skin="dos"] #bulk-box {
  box-shadow: inset -2px -2px 0 var(--bevel-dark), inset 2px 2px 0 var(--bevel-light);
}
[data-skin="dos"] input[type=text],
[data-skin="dos"] input[type=number],
[data-skin="dos"] textarea,
[data-skin="dos"] select {
  box-shadow: inset 2px 2px 0 var(--bevel-dark), inset -2px -2px 0 var(--bevel-light);
}

/* scrollbars — blocky */
[data-skin="dos"] * { scrollbar-width: thin; scrollbar-color: var(--border2) var(--panel3); }
[data-skin="dos"] ::-webkit-scrollbar { width: 12px; height: 12px; }
[data-skin="dos"] ::-webkit-scrollbar-track { background: var(--panel3); border: 1px solid var(--border); }
[data-skin="dos"] ::-webkit-scrollbar-thumb { background: var(--border2); border: 1px solid var(--border); border-radius: 0; }
[data-skin="dos"] ::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* loading screen — boot sequence */
[data-skin="dos"] #loading-screen h1 {
  font-size: 22px; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase;
}
[data-skin="dos"] #loading-screen h1::before { content: 'C:\\> '; color: var(--text2); }
[data-skin="dos"] #loading-screen h1::after {
  content: '█'; color: var(--text); animation: dos-cursor-blink 1s steps(1) infinite;
}
[data-skin="dos"] #loading-screen p { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; }
[data-skin="dos"] .loading-dots span { width: 10px; height: 10px; border-radius: 0; background: var(--accent); }
@keyframes dos-cursor-blink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }

/* toolbar */
[data-skin="dos"] #toolbar { border-bottom: 2px solid var(--border2); }
[data-skin="dos"] #toolbar h1 {
  font-size: 15px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--accent);
}
[data-skin="dos"] #toolbar h1::before { content: '■ '; color: var(--accent2); }
[data-skin="dos"] .tb-sep { width: 2px; height: 24px; background: var(--border); margin: 0 4px; }
[data-skin="dos"] .tb-btn {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2);
  text-transform: uppercase; letter-spacing: 0.04em; transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .tb-btn:hover { background: var(--hover-bg); border-color: var(--hover-border); color: var(--accent); }
[data-skin="dos"] .tb-btn:active { box-shadow: inset 1px 1px 0 var(--bevel-dark), inset -1px -1px 0 var(--bevel-light); }
[data-skin="dos"] .tb-btn.primary { background: var(--accent); color: #0000a8; border-color: var(--accent); font-weight: 700; }
[data-skin="dos"] .tb-btn.primary:hover { background: var(--accent); color: #000; filter: brightness(1.1); }
[data-skin="dos"] .tb-btn.danger { background: var(--danger); border-color: var(--danger-border); color: var(--danger-text); }
[data-skin="dos"] .tb-btn.purple { border-color: var(--accent2); color: var(--accent2); }
[data-skin="dos"] .tb-btn.purple:hover { background: var(--hover-bg); border-color: var(--accent); color: var(--accent); }
[data-skin="dos"] #slide-count { color: var(--text2); text-transform: uppercase; letter-spacing: 0.06em; }
[data-skin="dos"] #slide-count::before { content: '[ '; color: var(--text3); }
[data-skin="dos"] #slide-count::after { content: ' ]'; color: var(--text3); }

/* slides panel */
[data-skin="dos"] #slides-panel { border-right: 2px solid var(--border2); }
[data-skin="dos"] #slides-header { border-bottom: 2px solid var(--border2); background: var(--panel2); }
[data-skin="dos"] #slides-header span { font-size: 11px; font-weight: 700; color: var(--accent); letter-spacing: 0.10em; }
[data-skin="dos"] #slides-header span::before { content: '▼ '; color: var(--text2); }
[data-skin="dos"] .add-slide-btn {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2); transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .add-slide-btn:hover { background: var(--accent); border-color: var(--accent); color: #0000a8; }
[data-skin="dos"] .slide-thumb { border-radius: 0; border: 2px solid var(--border); background: #000044; transition: none; }
[data-skin="dos"] .slide-thumb:hover { border-color: var(--text2); }
[data-skin="dos"] .slide-thumb.active { border-color: var(--accent); }
[data-skin="dos"] .slide-thumb.selected { border-color: var(--accent); background: var(--accent-bg); box-shadow: 0 0 0 2px var(--accent); }
[data-skin="dos"] .slide-thumb.selected::after {
  content: 'X'; border-radius: 0; background: var(--accent); color: #0000a8; border: 1px solid #000; box-shadow: none;
}
[data-skin="dos"] .slide-thumb canvas { border-radius: 0; }
[data-skin="dos"] #sel-count {
  color: #0000a8 !important; background: var(--accent); border: 1px solid #000; border-radius: 0;
  text-transform: uppercase; letter-spacing: 0.05em;
}
[data-skin="dos"] .slide-num {
  font-weight: 700; color: #ffff00; background: rgba(0,0,68,0.85); border-radius: 0; border: 1px solid rgba(0,255,255,0.4);
}
[data-skin="dos"] .slide-del {
  border-radius: 0; background: rgba(0,0,68,0.85); border: 1px solid var(--danger-border); transition: none;
}
[data-skin="dos"] .slide-del:hover { background: #a80000; color: #fff; }

/* canvas area */
[data-skin="dos"] .size-btn {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2);
  text-transform: uppercase; letter-spacing: 0.04em; transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .size-btn:hover { border-color: var(--hover-border); color: var(--accent); }
[data-skin="dos"] .size-btn.active { border-color: var(--accent); color: #0000a8; background: var(--accent); font-weight: 700; }
[data-skin="dos"] .sz-icon { border-radius: 0; }
[data-skin="dos"] #canvas-wrap {
  box-shadow: 0 0 0 2px var(--bevel-dark), 0 0 0 4px var(--bevel-light), 0 12px 40px rgba(0,0,0,0.6);
  border-radius: 0; outline: 1px solid var(--canvas-outline);
}
[data-skin="dos"] #main-canvas, [data-skin="dos"] #canvas-overlay { border-radius: 0; }
[data-skin="dos"] .bg-corner-handle { background: var(--accent); border: 2px solid #000; border-radius: 0; box-shadow: none; }
[data-skin="dos"] #text-width-handle { background: var(--accent); border: 2px solid #000; border-radius: 0; box-shadow: none; }
[data-skin="dos"] #canvas-size-label { color: var(--text2); letter-spacing: 0.10em; text-transform: uppercase; }
[data-skin="dos"] #canvas-size-label::before { content: '[ '; color: var(--text3); }
[data-skin="dos"] #canvas-size-label::after { content: ' ]'; color: var(--text3); }

/* controls panel */
[data-skin="dos"] #controls-panel { border-left: 2px solid var(--border2); }
[data-skin="dos"] .ctrl-section { border-bottom: 2px solid var(--border); }
[data-skin="dos"] .ctrl-label { font-size: 10px; font-weight: 700; color: var(--accent); letter-spacing: 0.10em; }
[data-skin="dos"] .ctrl-label::before { content: '■ '; color: var(--text2); }
[data-skin="dos"] .small-label { color: var(--text2); text-transform: uppercase; letter-spacing: 0.03em; }
[data-skin="dos"] .bg-img-item { border-radius: 0; border: 2px solid var(--border2); transition: none; }
[data-skin="dos"] .bg-img-item.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
[data-skin="dos"] .bg-img-item-del { border-radius: 0; border: 1px solid var(--danger-border); background: rgba(0,0,68,0.85); color: var(--danger-text); transition: none; }
[data-skin="dos"] .bg-img-item-del:hover { background: #a80000; color: #fff; }
[data-skin="dos"] .bg-img-item-move { border-radius: 0; border: 1px solid var(--border2); background: rgba(0,0,68,0.85); transition: none; }
[data-skin="dos"] .bg-img-item-move:hover:not(:disabled) { background: var(--accent); color: #0000a8; }

/* inputs */
[data-skin="dos"] input[type=text], [data-skin="dos"] input[type=number],
[data-skin="dos"] textarea, [data-skin="dos"] select {
  background: var(--panel3); border: 1px solid var(--border2); border-radius: 0; transition: none;
}
[data-skin="dos"] input[type=text]:focus, [data-skin="dos"] input[type=number]:focus,
[data-skin="dos"] textarea:focus, [data-skin="dos"] select:focus {
  border-color: var(--accent); background: var(--panel2);
}
[data-skin="dos"] select option { background: var(--panel2); color: var(--text); }
[data-skin="dos"] input[type=range] {
  height: 6px; background: var(--panel3); border: 1px solid var(--border2); border-radius: 0;
}
[data-skin="dos"] input[type=range]::-webkit-slider-thumb {
  width: 14px; height: 16px; border-radius: 0; background: var(--accent); border: 1px solid #000;
}
[data-skin="dos"] input[type=range]::-moz-range-thumb {
  width: 14px; height: 16px; border-radius: 0; background: var(--accent); border: 1px solid #000;
}
[data-skin="dos"] input[type=color] { border-radius: 0; border: 1px solid var(--border2); }
[data-skin="dos"] .color-preset { border-radius: 0; border: 2px solid var(--border); transition: none; }
[data-skin="dos"] .color-preset:hover, [data-skin="dos"] .color-preset.active { border-color: var(--accent); transform: none; }
[data-skin="dos"] .bg-tab {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2);
  text-transform: uppercase; transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .bg-tab.active { background: var(--accent); border-color: var(--accent); color: #0000a8; font-weight: 700; }
[data-skin="dos"] .grad-preset { border-radius: 0; border: 2px solid var(--border); transition: none; }
[data-skin="dos"] .grad-preset:hover, [data-skin="dos"] .grad-preset.active { border-color: var(--accent); }
[data-skin="dos"] .apply-all-btn {
  border-radius: 0; border: 1px solid var(--accent2); background: var(--panel2); color: var(--accent2);
  text-transform: uppercase; letter-spacing: 0.04em; transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .apply-all-btn:hover { background: var(--hover-bg); border-color: var(--accent); color: var(--accent); }
[data-skin="dos"] .text-block-item { background: var(--panel2); border: 1px solid var(--border2); border-radius: 0; transition: none; }
[data-skin="dos"] .text-block-item.active { border-color: var(--accent); background: var(--accent-bg); }
[data-skin="dos"] .tbi-label { color: var(--text2); text-transform: uppercase; }
[data-skin="dos"] .add-text-btn { border-radius: 0; border: 1px dashed var(--border2); text-transform: uppercase; transition: none; }
[data-skin="dos"] .add-text-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }
[data-skin="dos"] .align-btn {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2); transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .align-btn.active { background: var(--accent); border-color: var(--accent); color: #0000a8; font-weight: 700; }
[data-skin="dos"] .align-btn:hover { background: var(--hover-bg); border-color: var(--accent); color: var(--accent); }
[data-skin="dos"] .pos-field label { color: var(--text2); text-transform: uppercase; }
[data-skin="dos"] .snap-btn {
  border-radius: 0; border: 1px solid var(--border2); background: var(--panel2);
  text-transform: uppercase; transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .snap-btn:hover { background: var(--hover-bg); border-color: var(--hover-border); color: var(--accent); }

/* toggle */
[data-skin="dos"] .toggle-label { text-transform: uppercase; }
[data-skin="dos"] .toggle { width: 36px; }
[data-skin="dos"] .toggle-track { background: var(--panel3); border-radius: 0; border: 1px solid var(--border2); transition: none; }
[data-skin="dos"] .toggle input:checked + .toggle-track { background: var(--accent); border-color: var(--accent); }
[data-skin="dos"] .toggle-thumb { border-radius: 0; background: var(--text2); transition: none; }
[data-skin="dos"] .toggle input:checked ~ .toggle-thumb { transform: translateX(18px); background: #0000a8; }

/* kb hint */
[data-skin="dos"] #kb-hint {
  background: var(--panel3); border: 1px solid var(--border2); border-radius: 0;
  color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em;
}

/* anim overlay */
[data-skin="dos"] #anim-overlay { background: rgba(0,0,40,0.92); }
[data-skin="dos"] #anim-canvas { border-radius: 0; outline: 2px solid var(--border2); }
[data-skin="dos"] #anim-controls .tb-btn { background: var(--panel2); border-color: var(--border2); color: var(--text); }
[data-skin="dos"] #anim-controls .tb-btn:hover { background: var(--hover-bg); border-color: var(--accent); color: var(--accent); }
[data-skin="dos"] #anim-controls .tb-btn.danger { background: var(--danger); border-color: var(--danger-border); color: var(--danger-text); }
[data-skin="dos"] #anim-controls .tb-btn.danger:hover { background: #a80000; color: #fff; }
[data-skin="dos"] #anim-info { color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }

/* modals */
[data-skin="dos"] #export-modal, [data-skin="dos"] #help-modal { background: rgba(0,0,40,0.85); }
[data-skin="dos"] #bulk-modal { background: rgba(0,0,40,0.88); }
[data-skin="dos"] #export-box, [data-skin="dos"] #help-box, [data-skin="dos"] #bulk-box {
  border: 2px solid var(--border2); border-radius: 0;
}
[data-skin="dos"] #export-box h3, [data-skin="dos"] #help-box h3, [data-skin="dos"] #bulk-box h3 {
  font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent);
  border-bottom: 1px solid var(--border); padding-bottom: 8px;
}
[data-skin="dos"] #export-box h3::before, [data-skin="dos"] #help-box h3::before, [data-skin="dos"] #bulk-box h3::before {
  content: '■ '; color: var(--text2);
}
[data-skin="dos"] .help-heading { color: var(--accent2); letter-spacing: 0.10em; }
[data-skin="dos"] .help-keys kbd {
  background: var(--panel3); border: 1px solid var(--border2); border-bottom-width: 2px; border-radius: 0; color: var(--accent);
}
[data-skin="dos"] .export-fmt {
  border: 1px solid var(--border2); border-radius: 0; background: var(--panel2); transition: none;
  box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light);
}
[data-skin="dos"] .export-fmt.active { border-color: var(--accent); background: var(--accent); color: #0000a8; }
[data-skin="dos"] .fmt-icon { background: var(--panel3); border: 1px solid var(--border); border-radius: 0; }
[data-skin="dos"] .fmt-icon span { color: var(--text2); font-weight: 700; }
[data-skin="dos"] .export-fmt.active .fmt-icon { background: rgba(0,0,0,0.2); border-color: rgba(0,0,0,0.4); }
[data-skin="dos"] .export-fmt.active .fmt-icon span, [data-skin="dos"] .export-fmt.active .fmt-name,
[data-skin="dos"] .export-fmt.active .fmt-dim { color: inherit; }
[data-skin="dos"] .fmt-name { font-weight: 700; text-transform: uppercase; }
[data-skin="dos"] .progress-bar-wrap { height: 12px; background: var(--panel3); border: 1px solid var(--border2); border-radius: 0; }
[data-skin="dos"] .progress-bar { background: var(--accent); border-radius: 0; }
[data-skin="dos"] .bulk-hint { background: var(--panel3); border: 1px solid var(--border2); border-radius: 0; color: var(--text2); }
[data-skin="dos"] .bulk-chip { background: var(--panel2); border: 1px solid var(--border2); border-radius: 0; }
[data-skin="dos"] .bulk-chip-num { background: var(--accent); color: #0000a8; border-radius: 0; }
[data-skin="dos"] #empty-state p { text-transform: uppercase; letter-spacing: 0.08em; }
[data-skin="dos"] #empty-state p::before { content: '> '; color: var(--text2); }

/* ─── Skin picker modal (shared, skin-aware via vars) ─────────────────────── */
#skin-modal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.78); z-index: 120;
  align-items: center; justify-content: center;
}
#skin-modal.show { display: flex; }
#skin-box {
  background: var(--panel); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 22px; width: 420px;
  max-width: calc(100vw - 40px);
  display: flex; flex-direction: column; gap: 14px;
}
#skin-box h3 { font-size: 15px; font-weight: 700; }
#skin-box p { font-size: 12px; color: var(--text2); line-height: 1.6; }
.skin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.skin-card {
  border: 2px solid var(--border2); border-radius: var(--radius);
  background: var(--panel2); cursor: pointer; padding: 10px;
  display: flex; flex-direction: column; gap: 8px; transition: all 0.15s;
  font-family: inherit; text-align: left;
}
.skin-card:hover { border-color: var(--hover-border); }
.skin-card.active { border-color: var(--accent); background: var(--accent-bg); }
.skin-swatch { display: flex; height: 44px; border-radius: 3px; overflow: hidden; border: 1px solid var(--border); }
.skin-swatch i { flex: 1; display: block; }
.skin-name { font-size: 12px; font-weight: 700; color: var(--text); }
.skin-desc { font-size: 10px; color: var(--text3); line-height: 1.4; }
[data-skin="dos"] #skin-box { border: 2px solid var(--border2); border-radius: 0; box-shadow: inset -2px -2px 0 var(--bevel-dark), inset 2px 2px 0 var(--bevel-light); }
[data-skin="dos"] #skin-box h3 { color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
[data-skin="dos"] .skin-card { border-radius: 0; transition: none; box-shadow: inset -1px -1px 0 var(--bevel-dark), inset 1px 1px 0 var(--bevel-light); }
[data-skin="dos"] .skin-swatch { border-radius: 0; }