/* Превью обечайки: сложенный рукав + плоская развёртка с 4 бигами */

.calc-client-layout--sleeve {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 991.98px) {
  .calc-client-layout--sleeve {
    grid-template-columns: 1fr;
  }
  .sv-preview {
    order: -1;
  }
}

.sv-preview {
  --sv-w: 110px;
  --sv-h: 150px;
  --sv-d: 48px;
  --sv-paper: #f8fafc;
  --sv-paper-grain: rgba(15, 23, 42, 0.02);
  --sv-glue-frac: 0.05;
  --sv-d-frac: 0.12;
  --sv-h-frac: 0.355;
  --sv-w-frac: 0.355; /* = h-frac, лицо по высоте в развёртке */
}

@media (min-width: 992px) {
  .sv-preview {
    position: sticky;
    top: calc(var(--cmykos-topbar-h, 56px) + 12px);
    align-self: start;
    max-height: calc(100vh - var(--cmykos-topbar-h, 56px) - 24px);
    overflow-y: auto;
    z-index: 2;
  }
}

.sv-preview[data-paper="coated"] {
  --sv-paper: #f8fafc;
  --sv-paper-grain: rgba(15, 23, 42, 0.02);
}
.sv-preview[data-paper="offset"] {
  --sv-paper: #f7f4ef;
  --sv-paper-grain: rgba(0, 0, 0, 0.04);
}
.sv-preview[data-paper="design"] {
  --sv-paper: #efe6d8;
  --sv-paper-grain: rgba(120, 80, 40, 0.06);
}

.sv-preview-card-wrap {
  border: 1px solid var(--ds-separator, #e5e7eb);
  border-radius: 16px;
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, rgba(255, 255, 255, 0.9), transparent 60%),
    linear-gradient(165deg, #f4f7fb 0%, #e8eef6 45%, #dde5f0 100%);
  padding: 14px 14px 16px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.sv-preview-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ds-text-muted, #6b7280);
  margin: 0 0 10px;
}

.sv-mode-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.sv-mode-btn {
  flex: 1;
  border: 1px solid var(--ds-separator, #d1d5db);
  background: #fff;
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ds-text-muted, #6b7280);
  cursor: pointer;
}

.sv-mode-btn.is-active {
  background: var(--ds-primary, #2563eb);
  border-color: var(--ds-primary, #2563eb);
  color: #fff;
}

.sv-preview-stage {
  perspective: 1100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 280px;
  padding: 16px 10px 20px;
  position: relative;
}

.sv-preview[data-has-dims="0"] .sv-folded,
.sv-preview[data-has-dims="0"] .sv-flat,
.sv-preview[data-has-dims="0"] .sv-orbit-bar {
  display: none !important;
}

.sv-preview[data-has-dims="1"] .sv-preview-placeholder {
  display: none;
}

.sv-preview-placeholder {
  color: var(--ds-text-muted, #6b7280);
  font-size: 0.9rem;
}

/* --- Folded 3D sleeve --- */
.sv-folded {
  position: relative;
  width: 100%;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sv-sleeve-3d {
  position: relative;
  width: var(--sv-w);
  height: var(--sv-h);
  transform-style: preserve-3d;
  transform: rotateY(-28deg) rotateX(10deg);
  transition: transform 0.55s ease;
}

.sv-face {
  position: absolute;
  left: 0;
  top: 0;
  backface-visibility: hidden;
  background: var(--sv-paper);
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    var(--sv-paper-grain) 3px,
    var(--sv-paper-grain) 4px
  );
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.sv-face--front {
  width: var(--sv-w);
  height: var(--sv-h);
  transform: translateZ(calc(var(--sv-d) / 2));
}

.sv-face--back {
  width: var(--sv-w);
  height: var(--sv-h);
  transform: rotateY(180deg) translateZ(calc(var(--sv-d) / 2));
  background: color-mix(in srgb, var(--sv-paper) 88%, #94a3b8);
}

.sv-face--side {
  width: var(--sv-d);
  height: var(--sv-h);
  left: calc(50% - var(--sv-d) / 2);
  transform: rotateY(90deg) translateZ(calc(var(--sv-w) / 2));
  background: color-mix(in srgb, var(--sv-paper) 92%, #64748b);
}

.sv-face--side2 {
  width: var(--sv-d);
  height: var(--sv-h);
  left: calc(50% - var(--sv-d) / 2);
  transform: rotateY(-90deg) translateZ(calc(var(--sv-w) / 2));
  background: color-mix(in srgb, var(--sv-paper) 90%, #64748b);
}

.sv-ghost {
  position: absolute;
  inset: 8% 10%;
  border: 1px dashed rgba(100, 116, 139, 0.45);
  border-radius: 2px;
  transform: translateZ(calc(var(--sv-d) / 2 - 2px));
  pointer-events: none;
}

.sv-preview-paper {
  position: absolute;
  inset: 0;
}

.sv-preview-print {
  position: absolute;
  inset: 10%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0.85;
}

.sv-preview[data-front="0"] .sv-face--front .sv-preview-print {
  display: none;
}

.sv-preview[data-front="0"] .sv-face--front .sv-preview-blank {
  display: flex;
}

.sv-preview-blank {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 600;
}

.sv-preview-print-hero {
  flex: 1;
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 6px;
}

.sv-preview-print-mark {
  display: block;
  width: 28%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
}

.sv-preview-print-panel {
  display: block;
  height: 42%;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(16, 185, 129, 0.25));
}

.sv-preview-print-bars {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: repeating-linear-gradient(
    90deg,
    #94a3b8 0 8px,
    transparent 8px 14px
  );
}

.sv-preview-print-cmyk {
  display: flex;
  gap: 4px;
  height: 8px;
}

.sv-preview-print-cmyk i {
  flex: 1;
  border-radius: 2px;
}
.sv-preview-print-cmyk .c { background: #22d3ee; }
.sv-preview-print-cmyk .m { background: #ec4899; }
.sv-preview-print-cmyk .y { background: #facc15; }
.sv-preview-print-cmyk .k { background: #1e293b; }

.sv-preview-lam,
.sv-preview-uv,
.sv-preview-foil,
.sv-preview-emboss {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sv-preview[data-lam="gloss"] .sv-preview-lam,
.sv-preview[data-lam="matte"] .sv-preview-lam,
.sv-preview[data-lam="soft_touch"] .sv-preview-lam {
  opacity: 1;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.45), transparent 55%);
}

.sv-preview[data-lam="matte"] .sv-preview-lam {
  background: linear-gradient(135deg, rgba(148, 163, 184, 0.18), transparent 60%);
}

.sv-preview[data-lam="soft_touch"] .sv-preview-lam {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.2), transparent 60%);
}

.sv-preview[data-uv="1+0"] .sv-preview-uv,
.sv-preview[data-uv="1+1"] .sv-preview-uv {
  opacity: 1;
  background: radial-gradient(circle at 30% 25%, rgba(56, 189, 248, 0.35), transparent 55%);
}

.sv-preview[data-foil="1"] .sv-preview-foil,
.sv-preview[data-foil="silver"] .sv-preview-foil {
  opacity: 1;
  background: linear-gradient(120deg, transparent 20%, rgba(251, 191, 36, 0.55) 45%, transparent 70%);
}

.sv-preview[data-foil="silver"] .sv-preview-foil {
  background: linear-gradient(120deg, transparent 20%, rgba(226, 232, 240, 0.7) 45%, transparent 70%);
}

.sv-preview[data-emboss="1"] .sv-preview-emboss {
  opacity: 1;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08), inset 8px 10px 18px rgba(15, 23, 42, 0.08);
}

.sv-dims {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sv-dim {
  position: absolute;
  font-size: 0.68rem;
  font-weight: 600;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sv-dim i {
  display: block;
  background: #94a3b8;
}

.sv-dim-w {
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  flex-direction: column;
}

.sv-dim-w i {
  width: var(--sv-w);
  height: 1px;
}

.sv-dim-h {
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  flex-direction: row;
  writing-mode: vertical-rl;
}

.sv-dim-h i {
  width: 1px;
  height: var(--sv-h);
}

.sv-dim-d {
  left: 8px;
  top: 8px;
}

/* --- Flat blank --- */
.sv-flat {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.sv-blank {
  position: relative;
  width: min(100%, 300px);
  height: 140px;
  display: grid;
  grid-template-columns:
    minmax(18px, calc(var(--sv-glue-frac) * 100%))
    minmax(40px, calc(var(--sv-h-frac) * 100%))
    minmax(28px, calc(var(--sv-d-frac) * 100%))
    minmax(40px, calc(var(--sv-h-frac) * 100%))
    minmax(28px, calc(var(--sv-d-frac) * 100%));
  border: 1px solid #94a3b8;
  border-radius: 4px;
  overflow: hidden;
  background: var(--sv-paper);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.sv-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #64748b;
  border-right: 1px solid transparent;
  position: relative;
}

.sv-panel:last-child {
  border-right: 0;
}

.sv-panel--glue {
  background: rgba(251, 191, 36, 0.22);
  color: #92400e;
}

.sv-panel--h,
.sv-panel--h2,
.sv-panel--w,
.sv-panel--w2 {
  background: color-mix(in srgb, var(--sv-paper) 92%, #3b82f6);
}

.sv-crease {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0;
  border-left: 1.5px dashed #ef4444;
  pointer-events: none;
  z-index: 2;
}

/* клей | В | Г | В | Г */
.sv-crease[style*="--i:1"] {
  left: calc(var(--sv-glue-frac) * 100%);
}
.sv-crease[style*="--i:2"] {
  left: calc((var(--sv-glue-frac) + var(--sv-h-frac)) * 100%);
}
.sv-crease[style*="--i:3"] {
  left: calc((var(--sv-glue-frac) + var(--sv-h-frac) + var(--sv-d-frac)) * 100%);
}
.sv-crease[style*="--i:4"] {
  left: calc((var(--sv-glue-frac) + 2 * var(--sv-h-frac) + var(--sv-d-frac)) * 100%);
}

.sv-flat-legend {
  display: flex;
  gap: 12px;
  font-size: 0.72rem;
  color: #64748b;
}

.sv-leg {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.sv-leg i {
  width: 12px;
  height: 2px;
  display: inline-block;
}

.sv-leg-crease i {
  border-top: 2px dashed #ef4444;
  height: 0;
}

.sv-leg-glue i {
  background: rgba(251, 191, 36, 0.7);
  height: 10px;
  width: 10px;
  border-radius: 2px;
}

.sv-orbit-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.sv-orbit-btn {
  width: 32px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
}

.sv-orbit-label {
  min-width: 36px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
}

.sv-preview-meta {
  margin-top: 10px;
  font-size: 0.82rem;
  color: #334155;
  display: grid;
  gap: 2px;
}

.sv-preview-size {
  font-weight: 700;
}

.sv-preview-blank-meta,
.sv-preview-paper-meta {
  color: #64748b;
  font-size: 0.78rem;
}

.sv-preview-colors {
  font-weight: 600;
  color: #0f172a;
}

.sv-preview-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.sv-preview-chip {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e0e7ff;
  color: #3730a3;
}

.sv-preview-chip.is-off {
  background: #f1f5f9;
  color: #94a3b8;
}

.sv-preview[data-mode="flat"] .sv-folded,
.sv-preview[data-mode="flat"] .sv-orbit-bar {
  display: none !important;
}

.sv-preview[data-mode="folded"] .sv-flat {
  display: none !important;
}