/* ============================================
   Calculadora Precios — Grupo Textil PRO v2
   Silicon Valley Edition — All 15 Features
   ============================================ */

/* === 1. Design Tokens === */
.gtc {
  --P: #164E6F; --P-light: #e8f4fa; --P-dark: #0d3d56;
  --A: #745031; --A-light: #faf3ed; --A-dark: #5e3d24;
  --BG: #f4f6fa; --R: 35px;
  --glass: rgba(255,255,255,.72); --glass-border: rgba(255,255,255,.25);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06); --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12); --shadow-xl: 0 16px 48px rgba(0,0,0,.14);
  --ease: cubic-bezier(.4,0,.2,1); --ease-bounce: cubic-bezier(.34,1.56,.64,1);
  --speed: .3s;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --text: #222; --text-muted: #888; --border: #e2e5ea; --border-light: #f0f1f4;
  --card-bg: #fff; --success: #10b981; --error: #ef4444; --warning: #f59e0b;
  font-family: var(--font); max-width: 960px; margin: 0 auto 40px;
  background: var(--card-bg); border-radius: 20px; box-shadow: var(--shadow-xl);
  overflow: visible; position: relative;
}

/* === 2. Toast Notifications === */
.gtc-toast-wrap {
  position: fixed; bottom: 80px; right: 20px; z-index: 10001;
  display: flex; flex-direction: column-reverse; gap: 8px; pointer-events: none;
}
.gtc-toast {
  padding: 12px 20px; border-radius: 12px; font-size: .85rem; font-weight: 600;
  font-family: var(--font); color: #fff; box-shadow: var(--shadow-lg);
  pointer-events: auto; display: flex; align-items: center; gap: 8px;
  animation: toastIn .35s var(--ease-bounce) both;
  max-width: 360px; backdrop-filter: blur(8px);
}
.gtc-toast.out { animation: toastOut .3s var(--ease) both; }
.gtc-toast.success { background: linear-gradient(135deg, #10b981, #059669); }
.gtc-toast.error { background: linear-gradient(135deg, #ef4444, #dc2626); }
.gtc-toast.warning { background: linear-gradient(135deg, #f59e0b, #d97706); }
.gtc-toast.info { background: linear-gradient(135deg, var(--P), var(--P-dark)); }
@keyframes toastIn { 0% { opacity:0; transform: translateX(60px) scale(.9); } 100% { opacity:1; transform: none; } }
@keyframes toastOut { 0% { opacity:1; transform: none; } 100% { opacity:0; transform: translateX(60px) scale(.9); } }

/* === 3. Animated Progress Bar === */
.gtc-progress { padding: 24px 32px 20px; background: var(--BG); position: relative; }
.gtc-progress-track { position: absolute; top: 37px; left: 64px; right: 64px; height: 3px; background: var(--border); border-radius: 2px; z-index: 1; }
.gtc-progress-fill { height: 100%; background: linear-gradient(90deg, var(--P), var(--A)); border-radius: 2px; transition: width .5s var(--ease); width: 0%; }
.gtc-progress-steps { display: flex; justify-content: space-between; position: relative; z-index: 2; }
.gtc-step { display: flex; flex-direction: column; align-items: center; gap: 6px; cursor: default; min-width: 60px; }
.gtc-step-dot {
  width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: .8rem; font-weight: 700; background: var(--card-bg);
  color: #bbb; border: 2.5px solid var(--border); transition: all .4s var(--ease); position: relative;
}
.gtc-step.active .gtc-step-dot { background: var(--P); color: #fff; border-color: var(--P); box-shadow: 0 0 0 4px rgba(22,78,111,.2); animation: stepPulse 2s ease infinite; }
.gtc-step.done .gtc-step-dot { background: var(--A); color: #fff; border-color: var(--A); }
.gtc-step.done .gtc-step-dot::after { content: '\2713'; position: absolute; font-size: .7rem; }
.gtc-step-label { font-size: .72rem; font-weight: 600; color: var(--text-muted); transition: color .3s; white-space: nowrap; }
.gtc-step.active .gtc-step-label { color: var(--P); font-weight: 700; }
.gtc-step.done .gtc-step-label { color: var(--A); }
.gtc-step.done { cursor: pointer; }
.gtc-step.done:hover .gtc-step-dot { transform: scale(1.1); box-shadow: 0 0 0 4px rgba(116,80,49,.15); }
@keyframes stepPulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(22,78,111,.15); } 50% { box-shadow: 0 0 0 8px rgba(22,78,111,.08); } }

/* === 4. Panel Container + Slide Transitions === */
.gtc-panels { position: relative; overflow: hidden; }
.gtc-panel { padding: 32px 32px 28px; min-height: 280px; display: none; will-change: transform, opacity; }
.gtc-panel.active { display: block; animation: panelIn .4s var(--ease) both; }
.gtc-panel.slide-out-left { animation: panelOutLeft .3s var(--ease) both; }
.gtc-panel.slide-out-right { animation: panelOutRight .3s var(--ease) both; }
.gtc-panel.slide-in-left { animation: panelInLeft .4s var(--ease) both; }
.gtc-panel.slide-in-right { animation: panelInRight .4s var(--ease) both; }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes panelOutLeft { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateX(-40px); } }
@keyframes panelOutRight { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateX(40px); } }
@keyframes panelInLeft { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: none; } }
@keyframes panelInRight { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: none; } }

/* === 5. Typography === */
.gtc-title { font-size: 1.4rem; font-weight: 800; color: var(--P); margin: 0 0 4px; letter-spacing: -.02em; }
.gtc-subtitle { font-size: .9rem; color: var(--text-muted); margin: 0 0 22px; font-weight: 400; }

/* === 6. Search === */
.gtc-search-wrap { position: relative; max-width: 580px; }
.gtc-search-input {
  width: 100%; padding: 14px 18px 14px 46px; border: 2px solid var(--border); border-radius: var(--R);
  font-size: .95rem; font-family: var(--font); outline: none; transition: all .25s var(--ease);
  box-sizing: border-box; background: var(--card-bg); color: var(--text);
}
.gtc-search-input:focus { border-color: var(--P); box-shadow: 0 0 0 4px rgba(22,78,111,.1); }
.gtc-search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: #bbb; pointer-events: none; font-size: 1.1rem; }
.gtc-search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 16px; max-height: 400px; overflow-y: auto;
  z-index: 100; box-shadow: var(--shadow-lg); display: none; backdrop-filter: blur(12px);
}
.gtc-search-results.open { display: block; }
.gtc-sr-item { display: flex; align-items: center; gap: 14px; padding: 12px 16px; cursor: pointer; transition: background .15s; border-bottom: 1px solid var(--border-light); }
.gtc-sr-item:last-child { border-bottom: none; }
.gtc-sr-item:hover { background: var(--BG); }
.gtc-sr-item img { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; background: #eee; flex-shrink: 0; }
.gtc-sr-name { font-size: .88rem; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gtc-sr-sku { font-size: .72rem; color: var(--text-muted); margin-top: 1px; }
.gtc-sr-price { font-size: .95rem; font-weight: 700; color: var(--A); white-space: nowrap; }
.gtc-sr-empty { padding: 24px; text-align: center; color: var(--text-muted); font-size: .88rem; }

/* Skeleton Loaders */
.gtc-skel { background: linear-gradient(90deg, #f0f0f3 25%, #e8e8ec 37%, #f0f0f3 63%); background-size: 400% 100%; animation: shimmer 1.6s ease infinite; border-radius: 8px; }
.gtc-skel-item { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--border-light); pointer-events: none; }
.gtc-skel-thumb { width: 48px; height: 48px; border-radius: 10px; }
.gtc-skel-lines { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.gtc-skel-line { height: 12px; border-radius: 6px; }
.gtc-skel-line.w70 { width: 70%; } .gtc-skel-line.w40 { width: 40%; }
.gtc-skel-price { width: 60px; height: 16px; border-radius: 6px; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* === 7. Filter Chips === */
.gtc-filter-chips {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; max-width: 580px;
}
.gtc-chip {
  padding: 7px 14px; border-radius: 20px; border: 1.5px solid var(--border);
  background: var(--card-bg); font-size: .78rem; font-weight: 600; font-family: var(--font);
  cursor: pointer; transition: all .2s var(--ease); color: var(--text-muted);
  display: inline-flex; align-items: center; gap: 4px;
}
.gtc-chip:hover { border-color: var(--P); color: var(--P); transform: translateY(-1px); }
.gtc-chip.active { background: var(--P); color: #fff; border-color: var(--P); }

/* === 8. Product Card === */
.gtc-prod-card {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, var(--P-light), var(--card-bg));
  border: 2px solid var(--P); border-radius: 16px; padding: 16px; margin-top: 18px;
  transition: all .3s var(--ease);
}
.gtc-prod-card img { width: 60px; height: 60px; border-radius: 12px; object-fit: cover; background: #eee; flex-shrink: 0; }
.gtc-pc-name { font-size: .95rem; font-weight: 700; color: var(--P); }
.gtc-pc-sku { font-size: .75rem; color: var(--text-muted); margin-top: 1px; }
.gtc-pc-price { font-size: 1.05rem; font-weight: 800; color: var(--A); margin-top: 2px; }
.gtc-pc-change { font-size: .78rem; color: var(--A); cursor: pointer; text-decoration: underline; margin-top: 3px; display: inline-block; transition: color .2s; }
.gtc-pc-change:hover { color: var(--A-dark); }
.gtc-skip-link { display: inline-block; margin-top: 16px; font-size: .82rem; color: var(--text-muted); cursor: pointer; text-decoration: none; transition: color .2s; border-bottom: 1px dashed #ccc; }
.gtc-skip-link:hover { color: var(--A); border-color: var(--A); }

/* === 9. Color Swatches === */
.gtc-section-label { font-size: .82rem; font-weight: 700; color: var(--P); margin: 18px 0 10px; }
.gtc-colors { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.gtc-color-swatch { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; transition: transform .2s var(--ease-bounce); }
.gtc-color-swatch:hover { transform: scale(1.08); }
.gtc-color-dot { width: 36px; height: 36px; border-radius: 50%; border: 3px solid transparent; transition: all .25s var(--ease); background-size: cover; background-position: center; position: relative; }
.gtc-color-swatch.sel .gtc-color-dot { border-color: var(--P); box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--P); }
.gtc-color-name { font-size: .62rem; color: var(--text-muted); max-width: 50px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; transition: color .2s; }
.gtc-color-swatch.sel .gtc-color-name { color: var(--P); font-weight: 600; }

/* === 10. Size Table === */
.gtc-sizes-table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 14px 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.gtc-sizes-table th { background: var(--BG); padding: 10px 12px; font-size: .78rem; font-weight: 700; color: var(--P); text-align: center; }
.gtc-sizes-table td { padding: 8px 10px; text-align: center; font-size: .82rem; border-top: 1px solid var(--border-light); color: var(--text); }
.gtc-sizes-table .price-cell { color: var(--A); font-weight: 600; font-size: .78rem; }
.gtc-sizes-table .subtotal-cell { color: var(--P); font-weight: 700; font-size: .78rem; transition: all .2s; }
.gtc-sizes-table input[type=number] {
  width: 64px; padding: 8px 6px; border: 1.5px solid var(--border); border-radius: 10px;
  text-align: center; font-size: .88rem; font-family: var(--font); outline: none;
  transition: all .2s var(--ease); -moz-appearance: textfield;
  background: var(--card-bg); color: var(--text);
}
.gtc-sizes-table input[type=number]::-webkit-inner-spin-button,
.gtc-sizes-table input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; }
.gtc-sizes-table input:focus { border-color: var(--P); box-shadow: 0 0 0 3px rgba(22,78,111,.1); }
.gtc-sizes-table input:not(:placeholder-shown):valid { border-color: var(--P); background: var(--P-light); }
.gtc-qty-summary { margin-top: 12px; font-size: .88rem; color: var(--text-muted); }
.gtc-qty-summary strong { color: var(--P); }

/* Size cards (mobile) */
.gtc-size-cards { display: none; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 8px; margin: 14px 0; }
.gtc-size-card { background: var(--BG); border: 2px solid transparent; border-radius: 14px; padding: 12px 8px; text-align: center; transition: all .2s var(--ease); }
.gtc-size-card.has-qty { border-color: var(--P); background: var(--P-light); }
.gtc-size-card-name { font-size: .82rem; font-weight: 700; color: var(--P); }
.gtc-size-card-price { font-size: .68rem; color: var(--A); margin: 4px 0; }
.gtc-size-card input {
  width: 48px; padding: 6px 4px; border: 1.5px solid var(--border); border-radius: 8px;
  text-align: center; font-size: .85rem; font-family: var(--font); outline: none;
  -moz-appearance: textfield; background: var(--card-bg); color: var(--text);
}
.gtc-size-card input::-webkit-inner-spin-button,
.gtc-size-card input::-webkit-outer-spin-button { -webkit-appearance: none; }

/* === 11. Smart Presets === */
.gtc-presets {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; align-items: center;
  padding: 10px 14px; background: var(--BG); border-radius: 12px;
}
.gtc-presets-label { font-size: .75rem; font-weight: 700; color: var(--P); margin-right: 4px; }
.gtc-preset-btn {
  padding: 5px 12px; border-radius: 16px; border: 1.5px solid var(--border);
  background: var(--card-bg); font-size: .75rem; font-weight: 600; font-family: var(--font);
  cursor: pointer; transition: all .2s var(--ease); color: var(--text-muted);
}
.gtc-preset-btn:hover { border-color: var(--P); color: var(--P); transform: scale(1.05); }
.gtc-preset-btn.active { background: var(--P); color: #fff; border-color: var(--P); }
.gtc-preset-clear { color: var(--error); border-color: transparent; }
.gtc-preset-clear:hover { color: #fff; background: var(--error); border-color: var(--error); }

/* === 12. Technique Cards === */
.gtc-tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.gtc-tech-card {
  background: var(--card-bg); border: 2px solid var(--border); border-radius: 16px;
  padding: 22px 14px; text-align: center; cursor: pointer; transition: all .25s var(--ease);
  position: relative; overflow: hidden; transform-style: preserve-3d; perspective: 600px;
}
.gtc-tech-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--P-light), transparent);
  opacity: 0; transition: opacity .3s;
}
.gtc-tech-card:hover { border-color: var(--P); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.gtc-tech-card:hover::before { opacity: 1; }
.gtc-tech-card:active { transform: translateY(-1px) scale(.98); }
.gtc-tech-card.sel { border-color: var(--P); background: var(--P-light); }
.gtc-tech-card.sel::before { opacity: 1; }
.gtc-tech-card.dis { opacity: .4; pointer-events: none; filter: grayscale(.6); }
.gtc-tech-icon { font-size: 2rem; margin-bottom: 8px; display: block; position: relative; z-index: 1; }
.gtc-tech-label { font-size: .84rem; font-weight: 700; color: var(--text); position: relative; z-index: 1; }
.gtc-tech-min { display: block; font-size: .68rem; color: var(--text-muted); margin-top: 5px; position: relative; z-index: 1; }
.gtc-tech-min.warn { color: var(--error); font-weight: 600; }

/* Recommended badge */
.gtc-tech-badge {
  position: absolute; top: 8px; right: 8px; z-index: 3;
  padding: 3px 8px; border-radius: 8px; font-size: .6rem; font-weight: 800;
  background: linear-gradient(135deg, var(--success), #059669); color: #fff;
  text-transform: uppercase; letter-spacing: .04em;
  animation: badgePop .4s var(--ease-bounce);
}
@keyframes badgePop { 0% { transform: scale(0); } 100% { transform: scale(1); } }

/* Tech price hint */
.gtc-tech-price {
  display: block; font-size: .68rem; font-weight: 700; color: var(--A);
  margin-top: 4px; position: relative; z-index: 1;
}

.gtc-compare-link { display: inline-block; margin-top: 18px; font-size: .82rem; color: var(--P); cursor: pointer; font-weight: 600; border-bottom: 1px dashed var(--P); transition: color .2s; }
.gtc-compare-link:hover { color: var(--A); border-color: var(--A); }

/* === 13. Option Cards === */
.gtc-opts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.gtc-opt-card { background: var(--card-bg); border: 2px solid var(--border); border-radius: 14px; padding: 16px; text-align: center; cursor: pointer; transition: all .25s var(--ease); }
.gtc-opt-card:hover { border-color: var(--A); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.gtc-opt-card:active { transform: scale(.97); }
.gtc-opt-card.sel { border-color: var(--A); background: var(--A-light); }
.gtc-opt-name { font-weight: 700; font-size: .9rem; color: var(--text); }
.gtc-opt-desc { font-size: .75rem; color: var(--text-muted); margin-top: 4px; }

/* Discount table */
.gtc-discount-wrap { margin-top: 18px; }
.gtc-discount-label { font-size: .78rem; font-weight: 700; color: var(--P); margin: 0 0 6px; }
.gtc-discount-tbl { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); font-size: .78rem; }
.gtc-discount-tbl th { background: var(--BG); padding: 8px 10px; font-weight: 600; color: var(--P); text-align: center; }
.gtc-discount-tbl td { padding: 8px 10px; text-align: center; color: var(--text-muted); border-top: 1px solid var(--border-light); }
.gtc-discount-tbl td.cur { background: var(--P-light); font-weight: 700; color: var(--P); position: relative; }
.gtc-discount-tbl td.cur::after { content: ''; position: absolute; bottom: -1px; left: 20%; right: 20%; height: 2px; background: var(--P); border-radius: 1px; }
.gtc-discount-hint { font-size: .78rem; color: var(--A); margin: 8px 0 0; }
.gtc-discount-hint strong { font-weight: 700; }

/* === 14. Buttons === */
.gtc-actions { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; align-items: center; }
.gtc-btn {
  padding: 12px 26px; border: none; border-radius: var(--R); font-size: .88rem; font-weight: 700;
  font-family: var(--font); cursor: pointer; transition: all .25s var(--ease);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  position: relative; overflow: hidden;
}
.gtc-btn::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,.15); opacity: 0; transition: opacity .2s; }
.gtc-btn:hover::after { opacity: 1; }
.gtc-btn:active { transform: scale(.97); }
.gtc-btn-sm { padding: 8px 16px; font-size: .78rem; }
.gtc-btn-primary { background: var(--P); color: #fff; }
.gtc-btn-primary:hover { background: var(--P-dark); box-shadow: 0 4px 12px rgba(22,78,111,.25); }
.gtc-btn-accent { background: var(--A); color: #fff; }
.gtc-btn-accent:hover { background: var(--A-dark); box-shadow: 0 4px 12px rgba(116,80,49,.25); }
.gtc-btn-ghost { background: transparent; color: var(--text-muted); border: 1.5px solid var(--border); }
.gtc-btn-ghost:hover { border-color: var(--P); color: var(--P); }
.gtc-btn-wa { background: #25D366; color: #fff; }
.gtc-btn-wa:hover { background: #1da851; }
.gtc-btn-cart { background: var(--P); color: #fff; font-size: 1rem; padding: 14px 30px; animation: cartPulse 2s ease-in-out infinite; }
.gtc-btn-cart:hover { background: var(--P-dark); box-shadow: var(--shadow-md); animation: none; }
.gtc-btn-cart:disabled { opacity: .5; cursor: wait; animation: none; }
.gtc-btn-cart:disabled::after { content: ''; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; display: inline-block; margin-left: 8px; }
@keyframes cartPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(22,78,111,.3); } 50% { box-shadow: 0 0 0 8px rgba(22,78,111,0); } }
.gtc-btn-dl { background: #3498db; color: #fff; }
.gtc-btn-dl:hover { background: #2980b9; }
.gtc-btn-pdf { background: #e74c3c; color: #fff; }
.gtc-btn-pdf:hover { background: #c0392b; }
.gtc-btn-share { background: linear-gradient(135deg, #8b5cf6, #6366f1); color: #fff; }
.gtc-btn-share:hover { box-shadow: 0 4px 12px rgba(99,102,241,.3); }
.gtc-btn-multi { background: var(--A); color: #fff; }
.gtc-btn-multi:hover { background: var(--A-dark); }

/* === 15. Results === */
.gtc-results-box { background: linear-gradient(135deg, var(--BG), var(--card-bg)); border-radius: 16px; padding: 26px 22px; border: 1px solid var(--border); }
.gtc-result-row {
  display: flex; justify-content: space-between; align-items: center; padding: 10px 8px;
  border-bottom: 1px solid var(--border-light); border-radius: 6px;
  margin-left: -8px; margin-right: -8px; transition: background .15s;
}
.gtc-result-row:last-of-type { border-bottom: none; }
.gtc-result-row:hover { background: rgba(22,78,111,.03); }
.gtc-result-label { font-size: .88rem; color: var(--text-muted); }
.gtc-result-value { font-size: .92rem; font-weight: 600; color: var(--text); }
.gtc-result-total { font-size: 1.5rem; font-weight: 800; color: var(--P); letter-spacing: -.02em; display: inline-block; transition: transform .2s var(--ease); }
.gtc-result-note { margin-top: 16px; padding: 14px 16px; background: var(--card-bg); border-radius: 12px; font-size: .8rem; color: var(--text-muted); line-height: 1.6; border: 1px solid var(--border-light); }
.gtc-result-extra { margin-top: 10px; padding: 10px 14px; background: var(--A-light); border-left: 3px solid var(--A); border-radius: 0 8px 8px 0; font-size: .8rem; color: var(--A-dark); }
.gtc-result-sizes-tbl { width: 100%; border-collapse: separate; border-spacing: 0; margin: 10px 0; font-size: .8rem; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.gtc-result-sizes-tbl th { background: var(--BG); padding: 7px 10px; font-weight: 700; color: var(--P); text-align: center; }
.gtc-result-sizes-tbl td { padding: 7px 10px; text-align: center; border-top: 1px solid var(--border-light); color: var(--text); }
.gtc-cart-msg { display: none; margin-top: 18px; padding: 18px; border-radius: 14px; background: linear-gradient(135deg, #e8f8f0, #f0fdf6); color: var(--P); font-weight: 600; text-align: center; border: 1px solid #c3e9d4; }

/* === 16. Personalization Note === */
.gtc-note-wrap { margin: 18px 0; }
.gtc-note-label { font-size: .82rem; font-weight: 700; color: var(--P); display: block; margin-bottom: 6px; }
.gtc-note-label small { color: var(--text-muted); font-weight: 400; }
.gtc-note-input {
  width: 100%; box-sizing: border-box; padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: 12px; font-size: .85rem; font-family: var(--font); outline: none;
  transition: border-color .2s; resize: vertical; min-height: 60px; max-height: 200px;
  background: var(--card-bg); color: var(--text);
}
.gtc-note-input:focus { border-color: var(--P); box-shadow: 0 0 0 3px rgba(22,78,111,.08); }

/* === 17. Mockup Editor === */
.gtc-mk { margin-top: 20px; display: none; }
.gtc-mk-title { font-size: .85rem; font-weight: 700; color: var(--P); margin: 0 0 10px; }
.gtc-mk-row { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.gtc-mk-canvas {
  position: relative; width: 400px; max-width: 100%; background: var(--BG);
  border: 2px dashed var(--border); border-radius: 16px; overflow: hidden;
  flex-shrink: 0; transition: border-color .3s;
}
.gtc-mk-canvas.has-img { border-style: solid; border-color: var(--border); }
.gtc-mk-canvas img.gtc-mk-prod { width: 100%; display: block; pointer-events: none; user-select: none; }

/* View toggle pills */
.gtc-mk-view-toggle {
  display: flex; gap: 3px; position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-radius: 22px; padding: 3px; box-shadow: var(--shadow-sm);
}
.gtc-mk-vbtn {
  border: none; background: transparent; padding: 5px 12px; border-radius: 18px;
  font-size: .72rem; font-family: var(--font); cursor: pointer; color: #777;
  font-weight: 600; transition: all .2s var(--ease);
}
.gtc-mk-vbtn:hover { color: var(--P); }
.gtc-mk-vbtn.sel { background: var(--P); color: #fff; }

/* Logo overlays */
.gtc-mk-logo {
  position: absolute; cursor: move; border: 2px dashed var(--A); border-radius: 6px;
  display: none; align-items: center; justify-content: center; touch-action: none;
  user-select: none; min-width: 30px; min-height: 30px; transition: border-color .2s;
}
.gtc-mk-logo.active { border-color: var(--P); z-index: 5; box-shadow: 0 0 0 2px rgba(22,78,111,.15); }
.gtc-mk-logo img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; user-select: none; }
.gtc-mk-logo .gtc-mk-rz { position: absolute; bottom: -7px; right: -7px; width: 16px; height: 16px; background: var(--A); border-radius: 50%; cursor: nwse-resize; border: 2px solid #fff; z-index: 2; transition: transform .15s; }
.gtc-mk-logo .gtc-mk-rz:hover { transform: scale(1.2); }
.gtc-mk-logo .gtc-mk-rm { position: absolute; top: -9px; right: -9px; width: 20px; height: 20px; background: var(--error); border-radius: 50%; cursor: pointer; color: #fff; font-size: 12px; line-height: 20px; text-align: center; z-index: 2; border: 2px solid #fff; transition: transform .15s; }
.gtc-mk-logo .gtc-mk-rm:hover { transform: scale(1.15); }
/* Duplicate button */
.gtc-mk-logo .gtc-mk-dup { position: absolute; top: -9px; left: -9px; width: 20px; height: 20px; background: var(--P); border-radius: 50%; cursor: pointer; color: #fff; font-size: 11px; line-height: 20px; text-align: center; z-index: 2; border: 2px solid #fff; transition: transform .15s; }
.gtc-mk-logo .gtc-mk-dup:hover { transform: scale(1.15); }

/* Alignment guides */
.gtc-mk-guide { position: absolute; background: rgba(22,78,111,.4); z-index: 8; pointer-events: none; opacity: 0; transition: opacity .15s; }
.gtc-mk-guide.visible { opacity: 1; }
.gtc-mk-guide-h { left: 0; right: 0; height: 1px; }
.gtc-mk-guide-v { top: 0; bottom: 0; width: 1px; }
/* Third guides */
.gtc-mk-guide-t { position: absolute; z-index: 7; pointer-events: none; opacity: 0; transition: opacity .15s; }
.gtc-mk-guide-t.visible { opacity: .6; }

/* Mockup controls */
.gtc-mk-controls { display: flex; gap: 12px; margin-top: 10px; padding: 8px 12px; background: var(--BG); border-radius: 12px; align-items: center; flex-wrap: wrap; }
.gtc-mk-ctrl { display: flex; align-items: center; gap: 6px; font-size: .72rem; color: var(--text-muted); }
.gtc-mk-ctrl input[type=range] { width: 80px; accent-color: var(--P); cursor: pointer; }
.gtc-mk-undo-btns { display: flex; gap: 4px; margin-left: auto; }
.gtc-mk-undo-btn {
  width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card-bg); cursor: pointer; font-size: .8rem; display: flex;
  align-items: center; justify-content: center; transition: all .15s; color: var(--text-muted);
}
.gtc-mk-undo-btn:hover { border-color: var(--P); color: var(--P); }
.gtc-mk-undo-btn:disabled { opacity: .3; cursor: default; }

/* Sidebar */
.gtc-mk-side { flex: 1; min-width: 200px; }
.gtc-mk-drop {
  border: 2px dashed #ccc; border-radius: 16px; padding: 30px 18px; text-align: center;
  cursor: pointer; transition: all .25s var(--ease); background: var(--BG);
}
.gtc-mk-drop:hover, .gtc-mk-drop.over { border-color: var(--A); background: var(--A-light); transform: scale(1.01); }
.gtc-mk-drop-icon { font-size: 2.2rem; display: block; margin-bottom: 8px; }
.gtc-mk-drop-text { font-size: .84rem; color: var(--text-muted); }
.gtc-mk-drop-hint { font-size: .72rem; color: #bbb; margin-top: 5px; }

/* Logo list */
.gtc-mk-logos-list { margin-top: 12px; }
.gtc-mk-ll { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--BG); border-radius: 10px; margin-bottom: 6px; font-size: .78rem; cursor: pointer; border: 2px solid transparent; transition: all .2s; }
.gtc-mk-ll:hover { background: var(--P-light); }
.gtc-mk-ll.active { border-color: var(--P); background: var(--P-light); }
.gtc-mk-ll.other-view { opacity: .5; border-style: dashed; }
.gtc-mk-ll img { width: 30px; height: 30px; object-fit: contain; border-radius: 6px; background: var(--card-bg); }
.gtc-mk-ll-info { flex: 1; color: var(--text); }
.gtc-mk-ll-rm { color: var(--error); cursor: pointer; font-weight: 700; font-size: .95rem; transition: transform .15s; }
.gtc-mk-ll-rm:hover { transform: scale(1.2); }
.gtc-mk-add { display: inline-block; margin-top: 8px; font-size: .78rem; color: var(--A); cursor: pointer; font-weight: 600; transition: color .2s; }
.gtc-mk-add:hover { color: var(--A-dark); text-decoration: underline; }

/* Position presets */
.gtc-mk-pos { margin-top: 14px; }
.gtc-mk-pos-title { font-size: .78rem; font-weight: 700; color: var(--P); margin-bottom: 8px; }
.gtc-mk-pos-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.gtc-mk-pos-btn {
  padding: 6px 12px; font-size: .75rem; border: 1.5px solid var(--border); border-radius: 18px;
  cursor: pointer; background: var(--card-bg); transition: all .2s var(--ease);
  color: var(--text-muted); font-family: var(--font);
}
.gtc-mk-pos-btn:hover { border-color: var(--A); color: var(--A); }
.gtc-mk-pos-btn.sel { background: var(--A); color: #fff; border-color: var(--A); }
.gtc-mk-size-info { margin-top: 8px; font-size: .78rem; color: var(--A); font-weight: 600; }
.gtc-mk-info-box { margin-top: 10px; padding: 10px 12px; background: var(--P-light); border-radius: 10px; font-size: .75rem; color: var(--text-muted); line-height: 1.5; }
.gtc-mk-info-box strong { color: var(--P); }

/* === 18. Mockup Preview in Results === */
.gtc-rmk { margin: 16px 0; text-align: center; }
.gtc-rmk canvas { max-width: 340px; border-radius: 14px; border: 1px solid var(--border); box-shadow: var(--shadow-md); }

/* === 19. Step 5 — Confirmation === */
.gtc-confirm { text-align: center; padding: 48px 24px; position: relative; overflow: hidden; }
.gtc-confirm-icon {
  width: 80px; height: 80px; margin: 0 auto 20px;
  background: linear-gradient(135deg, #e8f8f0, #c3f0d8); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 2.5rem;
  animation: confirmBounce .6s var(--ease-bounce);
}
@keyframes confirmBounce { 0% { transform: scale(0); } 60% { transform: scale(1.15); } 100% { transform: scale(1); } }
.gtc-confirm-title { font-size: 1.4rem; font-weight: 800; color: var(--P); margin: 0 0 6px; }
.gtc-confirm-sub { font-size: .92rem; color: var(--text-muted); margin: 0 0 28px; }

/* === 20. Sticky Bottom Bar === */
.gtc-sticky {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9990;
  background: var(--glass); backdrop-filter: blur(16px); border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px rgba(0,0,0,.08); padding: 12px 20px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
  transform: translateY(100%); transition: transform .35s var(--ease); max-width: 100%;
}
.gtc-sticky.visible { transform: translateY(0); }
.gtc-sticky-info { display: flex; align-items: center; gap: 12px; font-size: .85rem; color: var(--text-muted); flex-wrap: wrap; }
.gtc-sticky-product { font-weight: 700; color: var(--P); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gtc-sticky-qty { color: var(--text-muted); }
.gtc-sticky-sep { color: var(--border); }
.gtc-sticky-total { font-size: 1.15rem; font-weight: 800; color: var(--P); }

/* === 21. Comparison Modal === */
.gtc-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  z-index: 10000; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease);
}
.gtc-modal-overlay.open { opacity: 1; pointer-events: auto; }
.gtc-modal {
  background: var(--card-bg); border-radius: 20px; max-width: 780px; width: 92%;
  max-height: 85vh; overflow-y: auto; box-shadow: var(--shadow-xl); padding: 28px;
  transform: scale(.92) translateY(20px); transition: transform .35s var(--ease);
}
.gtc-modal-overlay.open .gtc-modal { transform: none; }
.gtc-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.gtc-modal-title { font-size: 1.2rem; font-weight: 800; color: var(--P); }
.gtc-modal-close {
  width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card-bg); cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; transition: all .15s; color: var(--text-muted);
}
.gtc-modal-close:hover { background: var(--BG); color: var(--P); }
.gtc-compare-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .78rem; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.gtc-compare-table th { background: var(--BG); padding: 10px 12px; font-weight: 700; color: var(--P); text-align: left; }
.gtc-compare-table td { padding: 10px 12px; border-top: 1px solid var(--border-light); color: var(--text-muted); }
.gtc-compare-table tr:hover td { background: var(--P-light); }

/* Comparison Graph */
.gtc-compare-graph {
  width: 100%; max-width: 700px; height: 300px; margin: 20px auto; display: block;
  border: 1px solid var(--border); border-radius: 12px;
}

/* === 22. History Panel === */
.gtc-history { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-light); }
.gtc-history-title { font-size: .85rem; font-weight: 700; color: var(--P); margin: 0 0 12px; display: inline-block; }
.gtc-history-clear { font-size: .72rem; color: #ccc; cursor: pointer; float: right; margin-top: 2px; }
.gtc-history-clear:hover { color: var(--error); }
.gtc-history-list { display: flex; flex-wrap: wrap; gap: 10px; }
.gtc-history-card {
  background: var(--BG); border-radius: 12px; padding: 12px 14px; cursor: pointer;
  transition: all .2s; border: 1.5px solid transparent; min-width: 180px; flex: 1; max-width: 250px;
}
.gtc-history-card:hover { border-color: var(--P); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.gtc-history-card-title { font-size: .8rem; font-weight: 700; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gtc-history-card-detail { font-size: .7rem; color: var(--text-muted); margin-top: 3px; }
.gtc-history-card-total { font-size: .88rem; font-weight: 700; color: var(--A); margin-top: 4px; }

/* === 23. Logo info in step 3 === */
.gtc-logo-info {
  margin-bottom: 16px; padding: 12px 16px; background: var(--P-light); border-radius: 12px;
  font-size: .82rem; color: var(--text); display: none; border: 1px solid rgba(22,78,111,.15);
}
.gtc-logo-info.show { display: block; }

/* === 24. Confetti Canvas === */
.gtc-confetti {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none; z-index: 10002;
}

/* === 25. Multi-product Summary === */
.gtc-multi {
  position: fixed; top: 50%; right: 20px; transform: translateY(-50%);
  z-index: 9980; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--shadow-lg); width: 280px;
  max-height: 400px; overflow-y: auto; padding: 16px;
  animation: slideInRight .3s var(--ease);
}
@keyframes slideInRight { from { opacity: 0; transform: translateY(-50%) translateX(30px); } to { opacity: 1; transform: translateY(-50%); } }
.gtc-multi-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.gtc-multi-title { font-size: .85rem; font-weight: 800; color: var(--P); }
.gtc-multi-count { font-size: .72rem; background: var(--P); color: #fff; padding: 2px 8px; border-radius: 10px; font-weight: 700; }
.gtc-multi-list { max-height: 200px; overflow-y: auto; }
.gtc-multi-item {
  display: flex; justify-content: space-between; align-items: center; padding: 8px 0;
  border-bottom: 1px solid var(--border-light); font-size: .78rem;
}
.gtc-multi-item:last-child { border-bottom: none; }
.gtc-multi-item-name { font-weight: 600; color: var(--text); max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gtc-multi-item-detail { font-size: .68rem; color: var(--text-muted); }
.gtc-multi-item-price { font-weight: 700; color: var(--A); white-space: nowrap; }
.gtc-multi-item-rm { color: var(--error); cursor: pointer; font-size: .9rem; margin-left: 4px; }
.gtc-multi-item-rm:hover { transform: scale(1.2); }
.gtc-multi-footer { margin-top: 12px; padding-top: 12px; border-top: 2px solid var(--P); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.gtc-multi-total { font-size: 1rem; font-weight: 800; color: var(--P); width: 100%; margin-bottom: 6px; }

/* === 26. Responsive === */
@media (max-width: 768px) {
  .gtc-progress { padding: 18px 16px 14px; }
  .gtc-progress-track { left: 40px; right: 40px; top: 31px; }
  .gtc-step-dot { width: 26px; height: 26px; font-size: .72rem; }
  .gtc-step-label { display: none; }
  .gtc-panel { padding: 24px 18px 22px; }
  .gtc-title { font-size: 1.2rem; }
  .gtc-tech-grid { grid-template-columns: repeat(2, 1fr); }
  .gtc-opts-grid { grid-template-columns: repeat(2, 1fr); }
  .gtc-mk-canvas { width: 100%; }
  .gtc-mk-row { flex-direction: column; }
  .gtc-sizes-table { display: none; }
  .gtc-size-cards { display: grid; }
  .gtc-sticky { padding: 10px 14px; gap: 10px; flex-wrap: wrap; justify-content: space-between; }
  .gtc-sticky-info { font-size: .78rem; }
  .gtc-sticky-total { font-size: 1rem; }
  .gtc-multi { position: relative; right: auto; top: auto; transform: none; width: 100%; margin-top: 16px; animation: none; }
  .gtc-modal { padding: 18px; max-height: 90vh; }
  .gtc-compare-table { font-size: .7rem; }
  .gtc-compare-table th, .gtc-compare-table td { padding: 6px 8px; }
  .gtc-toast-wrap { bottom: 70px; right: 10px; left: 10px; }
  .gtc-toast { max-width: 100%; }
}
@media (max-width: 480px) {
  .gtc { border-radius: 0; margin: 0; box-shadow: none; }
  .gtc-progress { padding: 14px 12px 10px; }
  .gtc-progress-track { left: 28px; right: 28px; top: 27px; }
  .gtc-step { min-width: 40px; }
  .gtc-step-dot { width: 22px; height: 22px; font-size: .65rem; }
  .gtc-panel { padding: 18px 14px 16px; }
  .gtc-actions { gap: 8px; }
  .gtc-btn { padding: 10px 18px; font-size: .82rem; }
  .gtc-size-cards { grid-template-columns: repeat(3, 1fr); }
  .gtc-filter-chips { gap: 6px; }
  .gtc-chip { padding: 5px 10px; font-size: .72rem; }
}

/* === 27. Print === */
@media print {
  .gtc-sticky, .gtc-progress, .gtc-actions, .gtc-multi, .gtc-confetti, .gtc-toast-wrap { display: none !important; }
  .gtc { box-shadow: none; border: 1px solid #ddd; }
  .gtc-panel { break-inside: avoid; }
}

/* === 28. Accessibility === */
.gtc-btn:focus-visible, .gtc-tech-card:focus-visible, .gtc-opt-card:focus-visible, .gtc-chip:focus-visible {
  outline: 2px solid var(--P); outline-offset: 2px;
}
.gtc-search-input:focus-visible { outline: 2px solid var(--P); outline-offset: -2px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

@keyframes spin { to { transform: rotate(360deg); } }