:root {
  /* Font stack — Pretendard Variable as primary */
  --font: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;

  /* Surface */
  --bg: #FAF9F6;
  --surface: #FFFFFF;
  --surface-soft: #F4F2EC;

  /* Borders — kept very subtle */
  --border: #EDEBE4;
  --border-strong: #DBD8CF;
  --border-input: #E2DFD7;

  /* Text */
  --text: #161618;
  --text-2: #5A5A57;
  --text-3: #91908A;
  --text-4: #B5B3AC;

  /* Brand — deeper, more confident blue */
  --accent: #1F4D8F;
  --accent-hover: #163970;
  --accent-soft: #EAF0F8;

  /* Success */
  --success: #1E7A52;
  --success-soft: #E3F0E8;
  --success-border: #C3DDD0;

  /* Warning (subtle) */
  --warn-soft: #F8F1DC;
  --warn-text: #8E6B17;

  /* Tag design tokens (unchanged for compatibility) */
  --tag-bg-top: #FFF6D0;
  --tag-bg-bottom: #FFF6D0;
  --tag-border: #24406b;
  --tag-text: #111111;
  --tag-price: #111111;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;

  /* Shadows — minimal, only when needed */
  --shadow-1: 0 1px 2px rgba(20,20,20,0.04);
  --shadow-2: 0 6px 20px rgba(20,20,20,0.06);
  --shadow-3: 0 16px 40px rgba(20,20,20,0.12);
  --shadow-pop: 0 6px 24px rgba(20,20,20,0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-feature-settings: 'ss05', 'ss02', 'tnum';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}

button, input, textarea, select { font-family: inherit; font-feature-settings: inherit; }

/* ============================================
   HUB VIEW
   ============================================ */
.hub-view {
  min-height: 100vh;
  background: var(--bg);
  padding: 64px 28px 80px;
  overflow-y: auto;
}
.hub-container {
  max-width: 1080px;
  margin: 0 auto;
}
.hub-header {
  margin-bottom: 44px;
}
.hub-eyebrow {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0;
  margin-bottom: 8px;
}
.hub-header h1 {
  font-size: 30px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.035em;
  line-height: 1.2;
}
.hub-header p {
  font-size: 15px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.55;
  letter-spacing: -0.015em;
}

.hub-section { margin-bottom: 32px; }
.hub-section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.hub-section-title .sub {
  font-weight: 400;
  font-size: 12px;
  color: var(--text-3);
}

.hub-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.hub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 20px 18px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-feature-settings: inherit;
  letter-spacing: inherit;
  transition: transform 0.18s cubic-bezier(0.2, 0, 0.2, 1),
              box-shadow 0.18s cubic-bezier(0.2, 0, 0.2, 1),
              border-color 0.18s;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 178px;
}
.hub-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--border-strong);
}
.hub-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hub-card.active:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-2);
}
.hub-card-icon {
  font-size: 26px;
  margin-bottom: 12px;
  line-height: 1;
}
.hub-card-title {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.hub-card-desc {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 10px;
  flex: 1;
  letter-spacing: -0.005em;
}
.hub-card-spec {
  font-size: 11.5px;
  color: var(--text-3);
  margin-bottom: 12px;
  letter-spacing: -0.005em;
  font-variant-numeric: tabular-nums;
}
.hub-card-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 100px;
  font-weight: 500;
  background: var(--surface-soft);
  color: var(--text-3);
  align-self: flex-start;
  letter-spacing: -0.005em;
}
.hub-card-badge.ready {
  background: var(--accent-soft);
  color: var(--accent);
}

.hub-footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hub-footer .version {
  font-variant-numeric: tabular-nums;
}

/* ============================================
   TOOL VIEW
   ============================================ */
.app {
  display: grid;
  grid-template-columns: 480px 1fr;
  height: 100vh;
}

.panel {
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 22px 26px 160px;
}

.back-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 11px 6px 9px;
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  letter-spacing: -0.01em;
}
.back-btn:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.panel-header h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.03em;
  color: var(--text);
}
.panel-header p {
  font-size: 13px;
  color: var(--text-2);
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}

.section-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  margin: 22px 0 10px;
  letter-spacing: -0.005em;
}

/* Cards inside panel */
.card-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
}

.settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.settings .field label,
.color-grid .field label {
  display: block;
  font-size: 11.5px;
  color: var(--text-2);
  margin-bottom: 4px;
  letter-spacing: -0.005em;
}
.settings .field input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-input);
  border-radius: var(--r-sm);
  font-size: 13px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.12s, box-shadow 0.12s;
  font-variant-numeric: tabular-nums;
}
.settings .field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Design panel internal labels */
.design-panel { padding: 14px; }
.theme-row-label {
  font-size: 11.5px;
  color: var(--text-2);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.theme-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}
.theme-btn {
  aspect-ratio: 1;
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 9.5px;
  font-weight: 600;
  padding: 0;
  font-family: inherit;
  transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.01em;
}
.theme-btn:hover { transform: scale(1.06); }
.theme-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--surface) inset;
}
.theme-btn span {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.9);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text);
}
.theme-btn.dark span { background: rgba(0,0,0,0.7); color: #fff; }

.color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.swatch-btn {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border-input);
  border-radius: var(--r-sm);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 3px 8px 3px 3px;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-2);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.swatch-btn:hover { border-color: var(--border-strong); }
.swatch-btn.open {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.swatch-color {
  width: 36px;
  height: 28px;
  border-radius: 5px;
  border: 1px solid rgba(0,0,0,0.08);
  flex-shrink: 0;
}
.swatch-hex {
  flex: 1;
  text-align: left;
  font-family: 'SF Mono', ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: 0.2px;
  font-size: 11.5px;
  color: var(--text);
}
.swatch-caret {
  font-size: 9px;
  color: var(--text-3);
  flex-shrink: 0;
}

/* Color popover */
.color-popover {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-pop);
  padding: 12px 13px;
  z-index: 1000;
  display: none;
  width: 280px;
}
.color-popover.show { display: block; }
.cp-section-title {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-2);
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.cp-section-title:not(:first-child) { margin-top: 12px; }
.cp-grid { display: grid; gap: 1px; }
.cp-grid.theme { grid-template-columns: repeat(10, 1fr); }
.cp-grid.standard { grid-template-columns: repeat(10, 1fr); }
.cp-swatch {
  aspect-ratio: 1;
  border: 1px solid rgba(0,0,0,0.07);
  cursor: pointer;
  border-radius: 2px;
  padding: 0;
  transition: transform 0.08s, box-shadow 0.08s;
  position: relative;
}
.cp-swatch:hover {
  transform: scale(1.4);
  box-shadow: 0 2px 6px rgba(0,0,0,0.22);
  z-index: 2;
  border-color: var(--accent);
}
.cp-swatch.selected::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: white;
  text-shadow: 0 0 2px rgba(0,0,0,0.6);
  pointer-events: none;
}
.cp-swatch.selected.is-light::after {
  color: #111;
  text-shadow: 0 0 2px rgba(255,255,255,0.7);
}
.cp-custom {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.cp-custom input[type="color"] {
  width: 36px;
  height: 30px;
  border: 1px solid var(--border-input);
  border-radius: 5px;
  padding: 1px;
  cursor: pointer;
  background: var(--surface);
}
.cp-custom input[type="text"] {
  flex: 1;
  height: 30px;
  border: 1px solid var(--border-input);
  border-radius: 5px;
  padding: 0 10px;
  font-family: 'SF Mono', ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text);
  letter-spacing: 0.3px;
}
.cp-custom input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.style-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-input);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  letter-spacing: -0.005em;
}
.style-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.bg-section-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0 10px;
}

.dual-hint {
  font-size: 11.5px;
  color: var(--text-3);
  margin: -4px 0 10px;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

/* Input area (template/upload/paste) */
.input-area { padding: 14px; }
.template-btn {
  width: 100%;
  padding: 11px;
  border: 1px solid var(--success-border);
  background: var(--success-soft);
  color: var(--success);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: background 0.12s, border-color 0.12s;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.template-btn:hover {
  background: #D7E8DD;
  border-color: var(--success);
}

.drop-zone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-md);
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  background: var(--surface);
  transition: all 0.15s;
  margin-bottom: 10px;
}
.drop-zone:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.drop-zone.hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  border-style: solid;
}
.dz-icon { font-size: 22px; margin-bottom: 6px; opacity: 0.7; }
.dz-title {
  font-size: 12.5px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.dz-hint {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 4px;
  letter-spacing: -0.005em;
}
.dz-loaded {
  font-size: 11.5px;
  color: var(--success);
  margin-top: 8px;
  font-weight: 500;
}

.or-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 10px;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
}
.or-divider::before, .or-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.paste-area {
  width: 100%;
  min-height: 64px;
  padding: 10px 11px;
  border: 1px solid var(--border-input);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 12px;
  resize: vertical;
  background: var(--surface);
  color: var(--text);
  letter-spacing: -0.005em;
  line-height: 1.5;
}
.paste-area:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Product rows */
.row {
  display: grid;
  grid-template-columns: 20px 1fr 28px;
  gap: 8px;
  align-items: start;
  margin-bottom: 8px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.12s;
}
.row:hover { border-color: var(--border-strong); }
.row-idx {
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  padding-top: 7px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.fields { display: grid; gap: 5px; }
.fields input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-input);
  border-radius: 5px;
  font-size: 12.5px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.12s, box-shadow 0.12s;
  letter-spacing: -0.005em;
}
.fields input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.fields input::placeholder { color: var(--text-4); font-size: 11.5px; }

.del-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-3);
  padding: 0;
  margin-top: 1px;
  transition: all 0.12s;
}
.del-btn:hover {
  background: #FEEBEB;
  color: #C42E2E;
  border-color: #F4C8C8;
}

/* Buttons */
.btn {
  padding: 9px 14px;
  border: 1px solid transparent;
  background: var(--accent);
  color: white;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-weight: 500;
  font-size: 12.5px;
  font-family: inherit;
  letter-spacing: -0.005em;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-input);
}
.btn.secondary:hover { background: var(--surface-soft); border-color: var(--border-strong); }
.btn.ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border-input);
}
.btn.ghost:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-strong);
}
.btn-row { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }

.add-row-btn {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--text-2);
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  transition: all 0.12s;
  letter-spacing: -0.005em;
}
.add-row-btn:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent);
  border-style: solid;
}

.fab-container {
  position: fixed;
  left: 22px;
  bottom: 22px;
  width: 436px;
  display: grid;
  gap: 8px;
  z-index: 10;
}
.fab {
  width: 100%;
  padding: 13px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  box-shadow: var(--shadow-2);
  transition: background 0.15s, transform 0.08s;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.fab:active { transform: scale(0.99); }
.fab:disabled { opacity: 0.6; cursor: wait; }
.fab-primary {
  background: var(--accent);
  color: white;
}
.fab-primary:hover:not(:disabled) { background: var(--accent-hover); }
.fab-save {
  background: var(--success);
  color: white;
}
.fab-save:hover:not(:disabled) { background: #186742; }

.count-badge {
  display: inline-block;
  color: var(--text-3);
  font-weight: 400;
  font-size: 12px;
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}

.toast {
  position: fixed;
  bottom: 110px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: white;
  padding: 11px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 10000;
  letter-spacing: -0.01em;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   PREVIEW AREA
   ============================================ */
.preview-area {
  padding: 24px;
  overflow: auto;
  height: 100vh;
  background: var(--bg);
}
.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 11px 16px;
  background: var(--surface);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
}
.preview-toolbar .label {
  font-weight: 500;
  letter-spacing: -0.01em;
}
.preview-toolbar .sheet-info {
  color: var(--text-3);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
}
.preview-toolbar .zoom-control {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.preview-toolbar input[type="range"] {
  width: 130px;
  accent-color: var(--accent);
}
.preview-toolbar .zoom-label {
  font-size: 12px;
  color: var(--text-2);
  min-width: 38px;
  font-variant-numeric: tabular-nums;
}

.sheet-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
}
.sheet {
  background: white;
  padding: 10mm;
  display: grid;
  gap: 2mm;
  box-shadow: var(--shadow-2);
  border-radius: 2px;
  transform-origin: top center;
}
.sheet-a4-landscape {
  width: 297mm;
  min-height: 210mm;
}

.tag {
  border: 1.5px solid var(--tag-border);
  color: var(--tag-text);
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  overflow: hidden;
  position: relative;
  background: var(--tag-bg-bottom);
}
.tag-zone-top {
  background: var(--tag-bg-top);
  padding: 2.5mm 3mm 1.5mm;
  position: relative;
}
.tag-zone-top .name {
  font-size: 14pt;
  font-weight: 700;
  line-height: 1.1;
  color: var(--tag-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tag-zone-top .name-sub {
  font-size: 11pt;
  font-style: italic;
  color: var(--tag-text);
  opacity: 0.7;
  line-height: 1.15;
  margin-top: 0.5mm;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tag-zone-bottom {
  background: var(--tag-bg-bottom);
  padding: 1.8mm 3mm 2.2mm;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}
.tag-mid {
  flex: 1;
  font-size: 11pt;
  line-height: 1.3;
  color: var(--tag-text);
  opacity: 0.92;
}
.tag-mid .line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tag-price {
  font-size: 20pt;
  font-weight: 700;
  text-align: right;
  line-height: 1;
  color: var(--tag-price);
  letter-spacing: -0.5px;
  margin-top: 1mm;
}
.tag-price .won {
  font-weight: 600;
  margin-right: 2px;
  font-size: 18pt;
}
.tag.style-top .tag-zone-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2mm;
  background: var(--tag-border);
}
.tag.style-top .tag-zone-top { padding-top: 4mm; }
.tag.style-left .tag-zone-top::before,
.tag.style-left .tag-zone-bottom::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 2mm;
  background: var(--tag-border);
}
.tag.style-left .tag-zone-top { padding-left: 3.5mm; }
.tag.style-left .tag-zone-bottom { padding-left: 3.5mm; }
.tag.empty {
  background: repeating-linear-gradient(45deg, #f7f7f2, #f7f7f2 4px, #efeee8 4px, #efeee8 8px);
  border: 1.5px dashed #d0cfc5;
}
.tag.empty .tag-zone-top,
.tag.empty .tag-zone-bottom { background: transparent; }
.tag.empty .tag-zone-top::before,
.tag.empty .tag-zone-bottom::before { display: none !important; }

.empty-preview {
  padding: 70px 30px;
  text-align: center;
  color: var(--text-3);
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px dashed var(--border-strong);
}
.empty-preview .icon { font-size: 36px; margin-bottom: 12px; opacity: 0.7; }
.empty-preview h3 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.empty-preview p {
  margin: 0;
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: -0.005em;
}

.preview-toolbar .pulse {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  opacity: 0;
  transition: opacity 0.2s;
}
.preview-toolbar .pulse.show { opacity: 1; animation: pulse 0.6s ease-out; }
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.pdf-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.88);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  z-index: 9999;
  font-size: 14px;
  color: var(--text);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.pdf-overlay.show { display: flex; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--success);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 26, 0.42);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: 20px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }
.modal-content {
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 32px 32px 26px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-3);
  animation: modalIn 0.22s cubic-bezier(0.2, 0, 0.2, 1);
}
@keyframes modalIn {
  from { transform: translateY(14px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-icon {
  font-size: 38px;
  margin-bottom: 12px;
  line-height: 1;
}
.modal-content h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.modal-content .modal-spec {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
}
.modal-content p {
  margin: 0 0 20px;
  color: var(--text-2);
  line-height: 1.6;
  font-size: 13.5px;
  letter-spacing: -0.01em;
}
.modal-content .modal-note {
  font-size: 12px;
  color: var(--text-2);
  background: var(--surface-soft);
  padding: 11px 14px;
  border-radius: var(--r-md);
  margin-bottom: 22px;
  line-height: 1.55;
  letter-spacing: -0.005em;
}
.modal-content .modal-note strong { color: var(--text); font-weight: 600; }
.modal-content button {
  padding: 10px 28px;
  border: none;
  background: var(--accent);
  color: white;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background 0.12s;
}
.modal-content button:hover { background: var(--accent-hover); }

@media print {
  body { background: white; }
  .hub-view, .panel, .preview-toolbar, .fab-container, .pdf-overlay, .color-popover, .toast, .modal-overlay {
    display: none !important;
  }
  .app { display: block; }
  .preview-area { padding: 0; overflow: visible; height: auto; background: white; }

  /* 시트 래퍼: 높이 자동, 블록으로 변경 (flex 중앙정렬 해제) */
  .sheet-wrap {
    margin: 0;
    height: auto !important;
    display: block;
  }

  /* 시트: 너비 100%로 인쇄 영역에 맞춤, 변환 제거 */
  .sheet {
    box-shadow: none;
    padding: 10mm;
    margin: 0;
    width: 100% !important;
    transform: none !important;
    page-break-after: always;
    break-after: page;
    border-radius: 0;
    overflow: visible !important;
  }
  .sheet:last-child {
    page-break-after: auto;
    break-after: auto;
  }

  /* A4 가로 고정 너비 해제 → 실제 인쇄 영역에 맞춤 */
  .sheet-a4-landscape {
    width: 100% !important;
    min-height: 0;
  }

  /* 태그가 페이지 경계에서 잘리지 않도록 */
  .tag {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* 배경색·테두리를 인쇄 설정과 관계없이 항상 출력 */
  .tag, .tag-zone-top, .tag-zone-bottom {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  @page { size: A4 landscape; margin: 0; }
}