/* ==========================================================================
   Merlin Embroidery — Mockup Studio
   Loaded only on /mockup-studio/. Uses the tokens from styles.css.
   ========================================================================== */

.studio-intro{padding-bottom:0}
.studio-head{max-width:760px}
.studio-head h1{margin:6px 0 14px}
.studio-head p{font-size:1.1rem}

.studio{padding:34px 0 80px}
.studio-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media(min-width:1024px){.studio-grid{grid-template-columns:1.12fr .88fr;gap:38px}}

/* ---------- Stage ---------- */
@media(min-width:1024px){.studio-stage{position:sticky;top:calc(var(--header-total) + 18px)}}
.stage-frame{position:relative;background:linear-gradient(180deg,#fff,#eef1f7);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:1}
.stage-frame canvas{display:block;width:100%;height:100%;touch-action:none}
.stage-frame canvas.dragging{cursor:grabbing}

.stage-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:32px;pointer-events:none;background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.stage-empty[hidden]{display:none}
.stage-empty .se-ico{width:64px;height:64px;border-radius:50%;background:var(--secondary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.stage-empty .se-ico svg{width:28px;height:28px}
.stage-empty strong{font-size:1.12rem;color:var(--text)}
.stage-empty span:last-child{font-size:.92rem;color:var(--text-muted);max-width:320px}

.stage-badge{position:absolute;left:14px;bottom:14px;z-index:3;background:rgba(13,24,41,.86);color:#fff;
  font-size:.8rem;font-weight:600;letter-spacing:.01em;padding:8px 14px;border-radius:var(--radius-pill);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.stage-badge[hidden]{display:none}

.stage-tip{display:flex;gap:11px;align-items:flex-start;margin-top:16px;padding:14px 16px;
  background:#FFF6EC;border:1px solid #F4D4B4;border-radius:var(--radius-md);font-size:.9rem;color:#7A4A17;line-height:1.55}
.stage-tip[hidden]{display:none}
.stage-tip b{color:#5C3510}
.stage-tip .st-ico{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.82rem;line-height:1}

.stage-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.stage-actions .btn:disabled{opacity:.45;pointer-events:none}
.stage-note{margin-top:14px;font-size:.82rem;color:var(--text-muted);line-height:1.6}

/* ---------- Control panel ---------- */
.studio-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:8px 24px 24px}
.sp-block{padding:22px 0;border-bottom:1px solid var(--surface-2)}
.sp-block:last-child{border-bottom:none;padding-bottom:6px}
.sp-title{display:flex;align-items:center;gap:11px;font-size:1.02rem;font-weight:800;margin-bottom:14px;color:var(--text)}
.sp-num{width:26px;height:26px;border-radius:50%;background:var(--primary);color:#fff;font-size:.82rem;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* upload */
.sp-upload{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  padding:26px 18px;border:2px dashed var(--border);border-radius:var(--radius-md);background:var(--surface);
  transition:border-color .18s,background .18s;cursor:pointer}
.sp-upload:hover,.sp-upload.drag-over{border-color:var(--primary);background:var(--secondary)}
.sp-upload input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.sp-upload .spu-ico{width:42px;height:42px;border-radius:50%;background:#fff;color:var(--primary);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.sp-upload .spu-ico svg{width:20px;height:20px}
.sp-upload .spu-txt{font-size:.94rem;color:var(--text-secondary)}
.sp-upload .spu-txt strong{color:var(--primary)}
.studio.drag-over .stage-frame{outline:3px dashed var(--primary);outline-offset:4px}

.sp-logo-row{display:flex;align-items:center;gap:12px;margin-top:12px;padding:10px 12px;
  background:var(--surface);border-radius:var(--radius-md)}
.sp-logo-row[hidden]{display:none}
.sp-logo-thumb{width:46px;height:46px;flex-shrink:0;border-radius:8px;background:
  repeating-conic-gradient(#e6e8ee 0% 25%,#fff 0% 50%) 50%/12px 12px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--border)}
.sp-logo-thumb img{max-width:100%;max-height:100%;object-fit:contain}
.sp-logo-name{flex:1;min-width:0;font-size:.88rem;font-weight:600;color:var(--text);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.sp-logo-clear{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:#fff;border:1px solid var(--border);
  color:var(--text-muted);font-size:1.3rem;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s}
.sp-logo-clear:hover{background:var(--accent);color:#fff;border-color:transparent}
.sp-check{margin-top:12px;font-size:.9rem}
.sp-check[hidden]{display:none}
.sp-check small{color:var(--text-muted)}

/* chips */
.sp-chips{display:flex;flex-wrap:wrap;gap:8px}
.sp-chips-sm{margin-top:10px}
.sp-chip{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:var(--radius-pill);
  border:1.5px solid var(--border);background:#fff;font-size:.9rem;font-weight:600;color:var(--text-secondary);
  transition:border-color .15s,background .15s,color .15s}
.sp-chip:hover{border-color:var(--primary);color:var(--text)}
.sp-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.sp-chip-sm{padding:7px 13px;font-size:.84rem}

/* swatches */
.sp-swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:9px}
.sp-swatch{aspect-ratio:1;border-radius:50%;border:2px solid transparent;box-shadow:0 0 0 1px rgba(0,0,0,.12) inset;
  transition:transform .15s,box-shadow .15s;position:relative}
.sp-swatch.is-light{box-shadow:0 0 0 1px var(--border) inset}
.sp-swatch:hover{transform:scale(1.1)}
.sp-swatch.active{border-color:var(--primary);box-shadow:0 0 0 2px #fff inset,0 0 0 1px rgba(0,0,0,.18)}
.sp-value{display:inline-block;margin-top:11px;font-size:.86rem;font-weight:700;color:var(--text)}

/* sliders */
.sp-slider{display:block;margin-bottom:14px}
.sps-label{display:flex;justify-content:space-between;align-items:baseline;font-size:.86rem;font-weight:600;
  color:var(--text-secondary);margin-bottom:8px}
.sps-label b{font-size:.95rem;color:var(--primary)}
.sp-slider input[type=range]{width:100%;height:26px;background:transparent;-webkit-appearance:none;appearance:none;cursor:pointer}
.sp-slider input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:6px;background:var(--surface-2)}
.sp-slider input[type=range]::-moz-range-track{height:6px;border-radius:6px;background:var(--surface-2)}
.sp-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;
  margin-top:-8px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:var(--shadow-sm)}
.sp-slider input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--primary);
  border:3px solid #fff;box-shadow:var(--shadow-sm)}
.sp-slider input[type=range]:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.sp-nudge{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:479px){.sp-nudge{grid-template-columns:1fr;gap:0}}
.sp-hint{font-size:.82rem;color:var(--text-muted);margin:2px 0 0}

/* estimate */
.sp-estimate{margin-top:16px;padding:14px 16px;background:var(--surface);border-radius:var(--radius-md);
  border-left:3px solid var(--accent)}
.sp-estimate[hidden]{display:none}
.spe-label{display:block;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.spe-val{display:block;font-size:1.12rem;font-weight:800;color:var(--text);margin:4px 0 6px}
.spe-note{display:block;font-size:.78rem;color:var(--text-muted);line-height:1.55}

/* mobile: stage first, panel below */
@media(max-width:1023px){
  .studio{padding-top:20px}
  .studio-panel{padding:8px 18px 20px}
}