/* ── T-Shirt Customizer Pro CSS v4.0 ─── */

/* ── Overlay ─── */
.tsc-overlay {
  position: fixed; inset: 0;
  background: rgba(10,10,20,0.82);
  z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  /* NO backdrop-filter — it breaks preserve-3d */
}

/* ── Modal ─── */
.tsc-modal {
  background: #fff; border-radius: 20px;
  width: 100%; max-width: 900px; max-height: 92vh; overflow-y: auto;
  display: grid; grid-template-columns: 440px 1fr;
  grid-template-rows: auto 1fr; gap: 0;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.35);
}
.tsc-modal-title {
  grid-column: 1 / -1; margin: 0;
  padding: 22px 28px 18px; font-size: 19px; font-weight: 700;
  border-bottom: 1px solid #e5e7eb; color: #0f172a;
  display: flex; align-items: center; gap: 10px;
}
.tsc-modal-title-icon { color: #6366f1; font-size: 22px; }

.tsc-close {
  position: absolute; top: 16px; right: 20px;
  background: #f1f5f9; border: none; font-size: 20px; cursor: pointer;
  color: #64748b; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s; line-height: 1;
}
.tsc-close:hover { background: #e2e8f0; color: #0f172a; }

/* ── Preview wrap ─── */
.tsc-preview-wrap {
  padding: 24px 20px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  background: linear-gradient(160deg, #f8faff, #f0f4ff);
  border-right: 1px solid #e5e7eb; border-radius: 20px 0 0 20px;
}

/* ── 3D scene (configurator) ─── */
.tsc-scene {
  perspective: 900px; perspective-origin: 50% 40%;
  width: 280px; height: 340px; position: relative;
}
.tsc-card {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.4,0,.2,1);
  filter: drop-shadow(0 18px 36px rgba(0,0,0,.20));
}
.tsc-card.tsc-flipped { transform: rotateY(180deg) !important; }
.tsc-card-face {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: 10px; overflow: hidden;
}
.tsc-card-front { transform: rotateY(0deg); }
.tsc-card-back  { transform: rotateY(180deg); }
.tsc-card-face canvas { width: 100%; height: 100%; display: block; border-radius: 10px; }

/* ── Color swatches ─── */
.tsc-color-bar { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.tsc-color-bar-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: #94a3b8; }
.tsc-color-swatches { display: flex; gap: 7px; flex-wrap: wrap; }
.tsc-swatch {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2.5px solid transparent; cursor: pointer;
  transition: transform .15s, border-color .15s;
  position: relative; outline: none; flex-shrink: 0;
}
.tsc-swatch:hover { transform: scale(1.18); }
.tsc-swatch.active { border-color: #6366f1; box-shadow: 0 0 0 2px #fff, 0 0 0 4px #6366f1; }
.tsc-swatch-custom {
  background: conic-gradient(red,yellow,lime,cyan,blue,magenta,red);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.4); cursor: pointer;
}

/* ── View toggle ─── */
.tsc-view-toggle { display: flex; gap: 6px; background: #e2e8f0; border-radius: 10px; padding: 3px; }
.tsc-view-btn {
  flex: 1; padding: 6px 16px; border: none; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  color: #64748b; background: transparent; transition: background .15s, color .15s;
}
.tsc-view-btn.active { background: #fff; color: #0f172a; box-shadow: 0 1px 4px rgba(0,0,0,.12); }

/* ── Controls ─── */
.tsc-controls { padding: 22px 26px; display: flex; flex-direction: column; gap: 18px; overflow-y: auto; }

.tsc-tabs { display: flex; gap: 4px; background: #f1f5f9; border-radius: 12px; padding: 3px; }
.tsc-tab {
  flex: 1; padding: 9px 14px; border: none; background: none; cursor: pointer;
  font-size: 13px; font-weight: 600; color: #64748b; border-radius: 9px; transition: background .15s;
}
.tsc-tab.active { background: #fff; color: #0f172a; box-shadow: 0 1px 4px rgba(0,0,0,.1); }

.tsc-panel { display: flex; flex-direction: column; gap: 13px; }
.tsc-label { font-size: 12px; font-weight: 600; color: #475569; display: block; margin-bottom: 4px; }
.tsc-row { display: flex; align-items: center; gap: 10px; }
.tsc-row .tsc-label { margin-bottom: 0; min-width: 60px; font-size: 13px; }

.tsc-upload-zone {
  border: 2px dashed #cbd5e1; border-radius: 12px; padding: 16px;
  cursor: pointer; text-align: center; min-height: 72px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, background .15s;
}
.tsc-upload-zone:hover, .tsc-upload-zone.tsc-drag-over { border-color: #6366f1; background: #f0f0ff; }
.tsc-upload-placeholder { display: flex; flex-direction: column; align-items: center; gap: 6px; color: #94a3b8; font-size: 13px; pointer-events: none; }
.tsc-upload-icon { font-size: 22px; }
.tsc-file-input { display: none; }
.tsc-upload-preview img { max-height: 50px; border-radius: 6px; }
.tsc-hint-drag { font-size: 12px; color: #94a3b8; background: #f8fafc; padding: 6px 10px; border-radius: 7px; }

.tsc-text-input, .tsc-select {
  width: 100%; padding: 9px 13px;
  border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-size: 14px; color: #0f172a; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.tsc-text-input:focus, .tsc-select:focus { outline: none; border-color: #6366f1; box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.tsc-range { flex: 1; accent-color: #6366f1; cursor: pointer; }
.tsc-range-val { font-size: 12px; font-weight: 600; color: #6366f1; min-width: 36px; text-align: right; }
.tsc-color { width: 44px; height: 38px; padding: 2px; border: 1.5px solid #e2e8f0; border-radius: 8px; cursor: pointer; background: none; flex-shrink: 0; }

/* ── Buttons ─── */
.tsc-open-btn {
  margin-top: 10px !important; width: 100%;
  background: linear-gradient(135deg,#6366f1,#8b5cf6) !important;
  color: #fff !important; border: none !important;
  font-weight: 700 !important; border-radius: 12px !important;
  padding: 12px 20px !important;
  box-shadow: 0 4px 14px rgba(99,102,241,.35) !important;
  transition: opacity .15s, transform .1s !important;
}
.tsc-open-btn:hover { opacity: .92; transform: translateY(-1px); }

.tsc-actions { display: flex; gap: 10px; margin-top: 4px; }
.tsc-btn-cart {
  flex: 1;
  background: linear-gradient(135deg,#059669,#10b981) !important;
  color: #fff !important; border: none !important;
  font-weight: 700 !important; border-radius: 12px !important;
  padding: 13px 16px !important; font-size: 14px !important;
  box-shadow: 0 4px 14px rgba(16,185,129,.30) !important;
  display: flex; align-items: center; gap: 6px; justify-content: center;
  cursor: pointer; transition: opacity .15s, transform .1s !important;
}
.tsc-btn-cart:hover { opacity: .92; transform: translateY(-1px); }
.tsc-btn-redo {
  background: #f1f5f9 !important; color: #475569 !important;
  border: none !important; border-radius: 12px !important;
  padding: 12px 16px !important; font-weight: 600 !important;
  font-size: 13px !important; transition: background .15s !important;
  cursor: pointer;
}
.tsc-btn-redo:hover { background: #e2e8f0 !important; }
.tsc-btn-icon { font-size: 16px; line-height: 1; }

/* ── Notice ─── */
.tsc-notice {
  position: fixed !important; top: 20px !important; left: 50% !important;
  transform: translateX(-50%) !important; z-index: 999999 !important;
  background: #0f172a !important; color: #fff !important;
  padding: 14px 24px !important; border-radius: 12px !important;
  font-size: 14px !important; box-shadow: 0 8px 30px rgba(0,0,0,.25) !important;
  border: none !important;
}
.tsc-notice a { color: #a5b4fc !important; text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════
   3D ROTATION PREVIEW
   CRITICAL: no filter, no backdrop-filter, no overflow:hidden
   on any ancestor — they all break preserve-3d
═══════════════════════════════════════════════════════════ */
.tsc-3d-preview {
  display: flex; align-items: center; justify-content: center;
  width: 100%; max-width: 600px; margin: 0 auto;
}
.tsc-3d-preview-inner {
  background: #fff; border-radius: 24px;
  padding: 32px 28px 28px; width: 100%;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  box-shadow: 0 32px 80px rgba(0,0,0,.35); position: relative;
}
.tsc-3d-back-btn {
  position: absolute; top: 16px; left: 20px;
  background: #f1f5f9; border: none; padding: 8px 16px;
  border-radius: 10px; font-size: 13px; font-weight: 600;
  color: #475569; cursor: pointer; transition: background .15s;
}
.tsc-3d-back-btn:hover { background: #e2e8f0; }
.tsc-3d-title { font-size: 18px; font-weight: 700; color: #0f172a; margin: 0; text-align: center; }

.tsc-3d-stage {
  perspective: 1000px !important;
  perspective-origin: 50% 50%;
  width: 320px; height: 400px;
  display: flex; align-items: center; justify-content: center;
}
.tsc-3d-product {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d !important;
  -webkit-transform-style: preserve-3d !important;
}
.tsc-3d-face {
  position: absolute; inset: 0;
  backface-visibility: hidden !important;
  -webkit-backface-visibility: hidden !important;
  border-radius: 12px; overflow: hidden;
  background: #eee;
}
.tsc-3d-face canvas { width: 100%; height: 100%; display: block; border-radius: 12px; }
.tsc-3d-face-front { transform: rotateY(0deg); }
.tsc-3d-face-back  { transform: rotateY(180deg); }

/* Progress */
.tsc-3d-progress-bar { width: 100%; max-width: 300px; height: 4px; background: #e2e8f0; border-radius: 4px; overflow: hidden; }
.tsc-3d-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg,#6366f1,#8b5cf6); border-radius: 4px; transition: width .1s linear; }
.tsc-3d-hint { font-size: 14px; color: #64748b; margin: 0; font-weight: 500; text-align: center; }

/* Actions after rotation */
.tsc-3d-actions { width: 100%; max-width: 400px; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.tsc-btn-order {
  width: 100%;
  background: linear-gradient(135deg,#059669,#10b981) !important;
  color: #fff !important; border: none !important;
  font-weight: 700 !important; border-radius: 14px !important;
  padding: 16px 24px !important; font-size: 16px !important;
  box-shadow: 0 6px 20px rgba(16,185,129,.35) !important;
  display: flex; align-items: center; gap: 8px; justify-content: center;
  cursor: pointer; transition: opacity .15s, transform .1s !important;
}
.tsc-btn-order:hover { opacity: .92; transform: translateY(-2px); }

.tsc-download-row { display: flex; gap: 10px; width: 100%; }
.tsc-btn-download {
  flex: 1;
  background: linear-gradient(135deg,#6366f1,#8b5cf6) !important; color: #fff !important;
  border: none !important;
  font-weight: 600 !important; border-radius: 12px !important;
  padding: 12px 14px !important; font-size: 13px !important;
  display: flex; align-items: center; gap: 6px; justify-content: center;
  cursor: pointer; transition: opacity .15s, transform .1s !important;
}
.tsc-btn-download:hover { opacity: .9 !important; transform: translateY(-1px); }

/* ── Fabric grid ── */
.tsc-fabric-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.tsc-fabric-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 11px 13px; border-radius: 12px;
  border: 2px solid #e2e8f0; background: #fff;
  cursor: pointer; text-align: left;
  transition: border-color .15s, background .15s, transform .1s;
}
.tsc-fabric-card:hover { border-color: #a5b4fc; background: #f5f3ff; transform: translateY(-1px); }
.tsc-fabric-card.active { border-color: #6366f1; background: #eef2ff; }
.tsc-fabric-icon { font-size: 18px; line-height: 1; }
.tsc-fabric-name { font-size: 13px; font-weight: 700; color: #0f172a; }
.tsc-fabric-desc { font-size: 11px; color: #94a3b8; }
.tsc-fabric-selected { margin-top: 4px; }
.tsc-fabric-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: 20px;
  background: #eef2ff; color: #4338ca;
  font-size: 12px; font-weight: 700; border: 1.5px solid #c7d2fe;
}

/* ── Quantity bar ── */
.tsc-quantity-bar {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 16px; border-radius: 12px;
  background: #f8fafc; border: 1.5px solid #e2e8f0;
}
.tsc-qty-control { display: flex; align-items: center; gap: 0; width: fit-content; }
.tsc-qty-btn {
  width: 36px; height: 36px; border: 1.5px solid #e2e8f0;
  background: #fff; color: #475569; font-size: 18px; font-weight: 700;
  cursor: pointer; transition: background .15s, border-color .15s;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.tsc-qty-btn:first-child { border-radius: 9px 0 0 9px; }
.tsc-qty-btn:last-child  { border-radius: 0 9px 9px 0; }
.tsc-qty-btn:hover { background: #f1f5f9; border-color: #6366f1; color: #6366f1; }
.tsc-qty-input {
  width: 64px; height: 36px; border: 1.5px solid #e2e8f0;
  border-left: none; border-right: none;
  text-align: center; font-size: 15px; font-weight: 700;
  color: #0f172a; background: #fff; padding: 0;
  -moz-appearance: textfield;
}
.tsc-qty-input::-webkit-inner-spin-button,
.tsc-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.tsc-qty-input:focus { outline: none; border-color: #6366f1; z-index: 1; }
.tsc-qty-hint { font-size: 11px; color: #94a3b8; font-style: italic; }

/* ── Responsive ─── */
@media (max-width: 720px) {
  .tsc-modal { grid-template-columns: 1fr; max-height: 96vh; border-radius: 16px; }
  .tsc-preview-wrap { border-right: none; border-bottom: 1px solid #e5e7eb; border-radius: 16px 16px 0 0; padding: 18px 16px 12px; }
  .tsc-scene { width: 200px; height: 240px; }
  .tsc-controls { padding: 16px 18px; }
  .tsc-actions { flex-direction: column; }
  .tsc-3d-stage { width: 240px; height: 300px; }
  .tsc-3d-preview-inner { padding: 24px 16px 20px; border-radius: 16px; }
  .tsc-btn-order { font-size: 14px !important; padding: 14px 18px !important; }
  .tsc-download-row { flex-direction: column; }
  .tsc-fabric-grid { grid-template-columns: 1fr; }
}