/* Fábrica DTF – Configurador de T-shirts
   Brand-aligned with fabricadtf.pt (navy + purple accent, rounded UI) */

:root{
  --fdtf-navy:#0b1a5b;
  --fdtf-navy-2:#14237a;
  --fdtf-blue:#2f6bff;
  --fdtf-purple:#8b3df2;
  --fdtf-ink:#1c2440;
  --fdtf-muted:#6b7392;
  --fdtf-line:#e6e9f2;
  --fdtf-bg:#f5f7fc;
  --fdtf-card:#ffffff;
  --fdtf-ok:#16a34a;
  --fdtf-radius:16px;
  --fdtf-shadow:0 10px 30px rgba(16,26,74,.08);
  --fdtf-font:"Poppins","Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}

.fdtf-config *{box-sizing:border-box}
.fdtf-config{
  font-family:var(--fdtf-font);
  color:var(--fdtf-ink);
  background:var(--fdtf-bg);
  padding:28px 18px 60px;
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
.fdtf-wrap{max-width:1180px;margin:0 auto}

/* ---------- Stepper ---------- */
.fdtf-steps{
  display:flex;align-items:center;justify-content:center;
  gap:6px;margin:4px auto 30px;flex-wrap:wrap;max-width:900px;
}
.fdtf-step{display:flex;align-items:center;gap:12px}
.fdtf-step .dot{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:15px;background:#e2e6f3;color:var(--fdtf-muted);
  transition:.25s;flex:0 0 auto;
}
.fdtf-step .lbl{font-weight:600;color:var(--fdtf-muted);font-size:15px;white-space:nowrap}
.fdtf-step.active .dot{background:var(--fdtf-navy);color:#fff;box-shadow:0 6px 16px rgba(11,26,91,.35)}
.fdtf-step.active .lbl{color:var(--fdtf-navy)}
.fdtf-step.done .dot{background:var(--fdtf-purple);color:#fff}
.fdtf-step.done .lbl{color:var(--fdtf-ink)}
.fdtf-step .bar{width:52px;height:2px;background:var(--fdtf-line);margin:0 4px}

/* ---------- Layout ---------- */
.fdtf-grid{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.fdtf-main{background:transparent}
.fdtf-panel{
  background:var(--fdtf-card);border:1px solid var(--fdtf-line);
  border-radius:var(--fdtf-radius);padding:26px;box-shadow:var(--fdtf-shadow);
  margin-bottom:22px;
}
.fdtf-h2{font-size:26px;font-weight:700;color:var(--fdtf-navy);margin:0 0 4px}
.fdtf-sub{color:var(--fdtf-muted);margin:0 0 22px;font-size:15px}
.fdtf-label{font-weight:600;font-size:14px;margin:18px 0 10px;color:var(--fdtf-ink)}

/* ---------- Product cards ---------- */
.fdtf-products{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fdtf-prod{
  border:2px solid var(--fdtf-line);border-radius:14px;padding:18px;cursor:pointer;
  background:#fff;position:relative;transition:.2s;text-align:left;
}
.fdtf-prod:hover{border-color:#c3ccf0;transform:translateY(-2px)}
.fdtf-prod.sel{border-color:var(--fdtf-navy);box-shadow:0 8px 22px rgba(11,26,91,.14)}
.fdtf-prod h3{margin:0 0 6px;font-size:17px;color:var(--fdtf-navy);line-height:1.2}
.fdtf-desc{margin:0 0 8px;font-size:12.5px;color:var(--fdtf-muted);line-height:1.35}
.fdtf-feat{list-style:none;margin:0 0 10px;padding:0}
.fdtf-feat li{font-size:12px;color:var(--fdtf-ink);padding:2px 0 2px 18px;position:relative}
.fdtf-feat li:before{content:"✓";position:absolute;left:0;color:var(--fdtf-ok);font-weight:700}
.fdtf-badge{
  display:inline-block;font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px;
  background:#eef1fd;color:var(--fdtf-blue);margin-bottom:12px;
}
.fdtf-badge.hot{background:#f0e8ff;color:var(--fdtf-purple)}
.fdtf-prod .thumb{
  height:120px;border-radius:10px;background:#f3f5fb;display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.fdtf-prod .thumb svg{height:104px;width:auto}
.fdtf-prod .thumb .fdtf-tee-img{height:118px;width:auto;max-width:100%;object-fit:contain;border-radius:8px;mix-blend-mode:multiply}
.fdtf-prod .price{font-size:14px;color:var(--fdtf-muted)}
.fdtf-prod .price b{font-size:22px;color:var(--fdtf-ink);font-weight:700}
.fdtf-prod .tick{
  position:absolute;top:12px;right:12px;width:24px;height:24px;border-radius:50%;
  background:var(--fdtf-navy);color:#fff;display:none;align-items:center;justify-content:center;font-size:14px;
}
.fdtf-prod.sel .tick{display:flex}

/* ---------- Colors ---------- */
.fdtf-colors{display:flex;flex-wrap:wrap;gap:12px}
.fdtf-color{
  width:46px;height:46px;border-radius:50%;border:2px solid var(--fdtf-line);
  cursor:pointer;position:relative;transition:.15s;display:flex;align-items:center;justify-content:center;
}
.fdtf-color:hover{transform:scale(1.06)}
.fdtf-color.sel{border-color:var(--fdtf-navy);box-shadow:0 0 0 3px rgba(11,26,91,.15)}
.fdtf-color .swatch{width:34px;height:34px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}

/* ---------- Sizes ---------- */
.fdtf-sizes{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.fdtf-size{
  border:2px solid var(--fdtf-line);border-radius:12px;padding:12px 14px;display:flex;
  flex-direction:column;align-items:center;gap:10px;background:#fff;
}
.fdtf-size .sz{font-weight:700;font-size:16px;color:var(--fdtf-navy);line-height:1}
.fdtf-qty{display:flex;align-items:center;gap:0;border:1px solid var(--fdtf-line);border-radius:10px;overflow:hidden;background:#fff}
.fdtf-qty button{
  width:36px;height:36px;border:none;background:#f6f8fd;flex:0 0 auto;
  cursor:pointer;font-size:18px;font-weight:700;color:var(--fdtf-navy);line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.fdtf-qty button:hover{background:#e6ecfb}
.fdtf-config .fdtf-qty input{
  width:48px;min-width:0;text-align:center;border:none;border-left:1px solid var(--fdtf-line);border-right:1px solid var(--fdtf-line);
  height:36px;min-height:0;line-height:36px;margin:0;padding:0 4px !important;
  font-weight:700;font-size:15px;color:var(--fdtf-ink);background:#fff;border-radius:0;
  -moz-appearance:textfield;appearance:textfield;box-shadow:none;
}
.fdtf-config .fdtf-qty input:focus{outline:none;box-shadow:none}
.fdtf-qty input::-webkit-outer-spin-button,.fdtf-qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* Measurements table (collapsible) */
.fdtf-measures{margin-top:18px;border:1px solid var(--fdtf-line);border-radius:12px;background:#fbfcff;overflow:hidden}
.fdtf-measures summary{cursor:pointer;padding:12px 16px;font-weight:600;font-size:14px;color:var(--fdtf-navy);list-style:none}
.fdtf-measures summary::-webkit-details-marker{display:none}
.fdtf-measures summary:after{content:"▾";float:right;color:var(--fdtf-muted)}
.fdtf-measures[open] summary:after{content:"▴"}
.fdtf-measures table{width:100%;border-collapse:collapse;font-size:13.5px}
.fdtf-measures th,.fdtf-measures td{text-align:left;padding:9px 16px;border-top:1px solid var(--fdtf-line)}
.fdtf-measures th{color:var(--fdtf-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.fdtf-measures td:first-child{font-weight:700;color:var(--fdtf-navy)}
.fdtf-measures tbody tr:nth-child(even){background:#f5f7fc}

/* ---------- Quantity tiers (escalões) ---------- */
.fdtf-tiers{margin-top:14px;border:1px solid var(--fdtf-line);border-radius:12px;background:#fbfcff;overflow:hidden}
.fdtf-tiers summary{cursor:pointer;padding:12px 16px;font-weight:600;font-size:14px;color:var(--fdtf-navy);list-style:none}
.fdtf-tiers summary::-webkit-details-marker{display:none}
.fdtf-tiers summary:after{content:"▾";float:right;color:var(--fdtf-muted)}
.fdtf-tiers[open] summary:after{content:"▴"}
.fdtf-tiers table{width:100%;border-collapse:collapse;font-size:13.5px}
.fdtf-tiers th,.fdtf-tiers td{text-align:left;padding:9px 16px;border-top:1px solid var(--fdtf-line)}
.fdtf-tiers th{color:var(--fdtf-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.fdtf-tiers td:last-child{text-align:right;font-weight:700;color:var(--fdtf-navy)}
.fdtf-tiers tbody tr.on{background:#eef0ff}
.fdtf-tiers tbody tr.on td{color:var(--fdtf-purple);font-weight:700}

/* ---------- Preview + upload ---------- */
.fdtf-perso{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.fdtf-stages{display:flex;gap:14px;flex-wrap:wrap}
.fdtf-stage{
  flex:1 1 240px;
  background:linear-gradient(180deg,#fbfcff,#eef1f9);border:1px solid var(--fdtf-line);
  border-radius:14px;padding:16px 16px 12px;display:flex;align-items:center;justify-content:center;position:relative;
  min-height:340px;overflow:hidden;
}
.fdtf-view-tag{
  position:absolute;top:10px;left:12px;font-size:11px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--fdtf-muted);background:#fff;border:1px solid var(--fdtf-line);
  border-radius:20px;padding:3px 10px;z-index:3;box-shadow:0 1px 4px rgba(11,26,91,.12);white-space:nowrap;
}
.fdtf-mock{z-index:1}
.fdtf-mock{position:relative;width:100%;max-width:290px}
.fdtf-mock .tee{width:100%;display:block}
.fdtf-mock .fdtf-tee-img{width:100%;display:block;border-radius:10px}
.fdtf-print{
  position:absolute;border:1.5px dashed rgba(11,26,91,.35);border-radius:5px;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  /* positioned via JS as % of mock */
}
.fdtf-print img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}
.fdtf-print .hint{color:#0b1a5b;font-size:10px;font-weight:600;text-align:center;line-height:1.15;
  background:rgba(255,255,255,.85);border-radius:6px;padding:2px 7px;white-space:nowrap;max-width:96%;overflow:hidden;text-overflow:ellipsis}
.fdtf-print.empty{background:rgba(255,255,255,.35)}

/* Download mockup */
.fdtf-dl{margin-top:16px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.fdtf-dl-btn{display:inline-flex;align-items:center;gap:8px}
.fdtf-dl-btn[disabled]{opacity:.6;cursor:progress}
.fdtf-dl-note{color:var(--fdtf-muted);font-size:12px}

/* ---------- Position cards (personalisation) ---------- */
.fdtf-pos-list{display:flex;flex-direction:column;gap:14px}
.fdtf-pos{border:2px solid var(--fdtf-line);border-radius:12px;padding:14px;background:#fff;transition:.2s}
.fdtf-pos.on{border-color:var(--fdtf-purple);box-shadow:0 6px 16px rgba(139,61,242,.12)}
.fdtf-pos-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.fdtf-pos-head b{color:var(--fdtf-navy);font-size:15px}
.fdtf-pos-head .fdtf-chip{margin-left:auto}
.fdtf-pos-size-lbl{font-size:12px;font-weight:600;color:var(--fdtf-muted);margin-bottom:8px}
.fdtf-size-opts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.fdtf-size-opt{
  flex:1 1 0;min-width:48px;display:flex;flex-direction:column;align-items:center;gap:1px;
  padding:8px 4px;border:2px solid var(--fdtf-line);border-radius:10px;background:#fff;cursor:pointer;
  font-family:inherit;transition:.15s;
}
.fdtf-size-opt:hover{border-color:#c3ccf0;background:#f8faff}
.fdtf-size-opt .sz{font-weight:700;font-size:15px;color:var(--fdtf-navy);line-height:1.1}
.fdtf-size-opt .pr{font-size:12px;color:var(--fdtf-muted);font-weight:600}
.fdtf-size-opt.sel{border-color:var(--fdtf-purple);background:#f4eeff;box-shadow:0 4px 12px rgba(139,61,242,.15)}
.fdtf-size-opt.sel .sz{color:var(--fdtf-purple)}
.fdtf-size-opt.sel .pr{color:var(--fdtf-purple)}
.fdtf-pos .fdtf-drop{padding:16px}
.fdtf-pos .fdtf-drop .ic{font-size:22px}
.fdtf-pos .fdtf-drop b{font-size:13px}
.fdtf-row.sub{padding:3px 0;font-size:13px}
.fdtf-row.sub span{color:var(--fdtf-purple)}
.fdtf-row.sub b{color:var(--fdtf-ink);font-weight:600}
.fdtf-mini-lbl{font-weight:700;font-size:13px;color:var(--fdtf-navy);margin:14px 0 6px}

/* ---------- Extras / production / notes (step 4) ---------- */
.fdtf-extras{display:flex;flex-direction:column;gap:10px}
.fdtf-extra{display:flex;align-items:center;gap:12px;border:2px solid var(--fdtf-line);border-radius:12px;padding:12px 14px;cursor:pointer;background:#fff;transition:.15s}
.fdtf-extra:hover{border-color:#c3ccf0}
.fdtf-extra.on{border-color:var(--fdtf-purple);background:#f7f2ff}
.fdtf-extra input{width:20px;height:20px;accent-color:var(--fdtf-purple);flex:0 0 auto;cursor:pointer}
.fdtf-extra-info{display:flex;flex-direction:column}
.fdtf-extra-info b{color:var(--fdtf-navy);font-size:14px}
.fdtf-extra-info small{color:var(--fdtf-muted);font-size:12px}
.fdtf-extra-price{margin-left:auto;font-weight:700;color:var(--fdtf-ink);font-size:14px;white-space:nowrap}

.fdtf-prod-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fdtf-prod-opt{display:flex;align-items:flex-start;gap:10px;border:2px solid var(--fdtf-line);border-radius:12px;padding:14px;cursor:pointer;background:#fff;transition:.15s}
.fdtf-prod-opt:hover{border-color:#c3ccf0}
.fdtf-prod-opt.on{border-color:var(--fdtf-navy);box-shadow:0 6px 16px rgba(11,26,91,.12)}
.fdtf-prod-opt input{margin-top:2px;width:18px;height:18px;accent-color:var(--fdtf-navy);flex:0 0 auto;cursor:pointer}
.fdtf-prod-info{display:flex;flex-direction:column}
.fdtf-prod-info b{color:var(--fdtf-navy);font-size:14px}
.fdtf-prod-info small{color:var(--fdtf-muted);font-size:12px;margin-top:2px}
.fdtf-ship{display:flex;align-items:baseline;gap:8px;margin-top:12px;padding:12px 14px;background:#eef6ef;border:1px solid #cfe6d2;border-radius:12px;font-size:14px}
.fdtf-ship span{color:var(--fdtf-muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.04em}
.fdtf-ship b{color:var(--fdtf-ok);font-size:17px}
.fdtf-ship small{color:var(--fdtf-muted);font-size:12px}
.fdtf-notes{width:100%;border:1.5px solid var(--fdtf-line);border-radius:12px;padding:12px 14px;font-family:inherit;font-size:14px;color:var(--fdtf-ink);resize:vertical}
.fdtf-notes:focus{outline:none;border-color:var(--fdtf-blue)}

.fdtf-drop{
  border:2px dashed #c3ccf0;border-radius:12px;background:#f8faff;padding:22px;text-align:center;
  cursor:pointer;transition:.2s;
}
.fdtf-drop:hover,.fdtf-drop.drag{border-color:var(--fdtf-blue);background:#eef3ff}
.fdtf-drop .ic{font-size:30px}
.fdtf-drop b{color:var(--fdtf-navy)}
.fdtf-drop small{color:var(--fdtf-muted);display:block;margin-top:6px}
.fdtf-file-row{
  display:flex;align-items:center;gap:10px;background:#f3f6fd;border:1px solid var(--fdtf-line);
  border-radius:10px;padding:10px 12px;margin-top:12px;font-size:13px;
}
.fdtf-file-row .rm{margin-left:auto;color:#c0392b;cursor:pointer;font-weight:600;background:none;border:none;font-size:13px}

.fdtf-slider{margin-top:16px}
.fdtf-slider label{font-size:13px;font-weight:600;color:var(--fdtf-ink);display:flex;justify-content:space-between}
.fdtf-slider input[type=range]{width:100%;accent-color:var(--fdtf-purple)}

/* ---------- Summary ---------- */
.fdtf-summary{
  position:sticky;top:20px;background:var(--fdtf-card);border:1px solid var(--fdtf-line);
  border-radius:var(--fdtf-radius);padding:22px;box-shadow:var(--fdtf-shadow);
}
.fdtf-summary h3{margin:0 0 16px;font-size:20px;color:var(--fdtf-navy);font-weight:700}
.fdtf-sum-prod{display:flex;gap:12px;align-items:center;border:1px solid var(--fdtf-line);border-radius:12px;padding:10px;margin-bottom:16px}
.fdtf-sum-prod .mini{width:52px;height:52px;background:#f3f5fb;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.fdtf-sum-prod .mini svg{height:44px}
.fdtf-sum-prod .mini .fdtf-tee-img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.fdtf-sum-prod .nm{font-weight:700;color:var(--fdtf-navy);font-size:14px;line-height:1.2}
.fdtf-sum-prod .meta{font-size:12px;color:var(--fdtf-muted);margin-top:2px}
.fdtf-row{display:flex;justify-content:space-between;padding:7px 0;font-size:14px;color:var(--fdtf-ink)}
.fdtf-row span:first-child{color:var(--fdtf-muted)}
.fdtf-row.tot{border-top:1px solid var(--fdtf-line);margin-top:8px;padding-top:14px;font-size:18px;font-weight:700;color:var(--fdtf-navy)}
.fdtf-row.tot b{font-size:22px}

/* ---------- Buttons / nav ---------- */
.fdtf-actions{display:flex;justify-content:space-between;gap:12px;margin-top:22px}
.fdtf-btn{
  border:none;border-radius:12px;padding:14px 26px;font-weight:600;font-size:15px;cursor:pointer;
  font-family:inherit;transition:.2s;
}
.fdtf-btn.primary{background:var(--fdtf-navy);color:#fff;box-shadow:0 8px 20px rgba(11,26,91,.28)}
.fdtf-btn.primary:hover{background:var(--fdtf-navy-2)}
.fdtf-btn.ghost{background:#fff;color:var(--fdtf-navy);border:1.5px solid var(--fdtf-line)}
.fdtf-btn.ghost:hover{border-color:#c3ccf0}
.fdtf-btn.cart{width:100%;margin-top:16px;background:linear-gradient(90deg,var(--fdtf-purple),var(--fdtf-blue));color:#fff}
.fdtf-btn.cart:hover{filter:brightness(1.05)}
.fdtf-btn:disabled{opacity:.5;cursor:not-allowed}

/* Steps visibility */
.fdtf-stepview{display:none}
.fdtf-stepview.active{display:block;animation:fdtf-fade .3s ease}
@keyframes fdtf-fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.fdtf-note{font-size:13px;color:var(--fdtf-muted);margin-top:8px}
.fdtf-chip{display:inline-flex;gap:6px;align-items:center;background:#eef1fd;color:var(--fdtf-blue);border-radius:20px;padding:5px 12px;font-size:13px;font-weight:600}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .fdtf-grid{grid-template-columns:1fr}
  .fdtf-summary{position:static}
  .fdtf-perso{grid-template-columns:1fr}
  .fdtf-products{grid-template-columns:1fr}
  .fdtf-prod-opts{grid-template-columns:1fr}
  .fdtf-step .lbl{display:none}
  .fdtf-step .bar{width:26px}
  .fdtf-h2{font-size:22px}
}