:root{
  --ink:#151515;
  --paper:#faf8f5;
  --gold:#b8925a;
  --line:#e4ddd1;
  --muted:#8a8378;
}

*{box-sizing:border-box;}

body{
  margin:0;
  font-family:'Montserrat', sans-serif;
  background:var(--paper);
  color:var(--ink);
}

.topbar{
  padding:20px 32px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:baseline;
  gap:16px;
  flex-wrap:wrap;
}

.brand{
  font-weight:600;
  letter-spacing:0.14em;
  font-size:14px;
}

.topbar-sub{
  color:var(--muted);
  font-size:13px;
}

.layout{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  max-width:1100px;
  margin:0 auto;
  padding:40px 24px 80px;
}

@media (max-width: 860px){
  .layout{grid-template-columns:1fr;}
}

.preview-pane{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}

.watch-stage{
  width:100%;
  max-width:440px;
  aspect-ratio:1/1;
}

#watchCanvas{
  width:100%;
  height:100%;
  border-radius:50%;
  box-shadow:0 20px 50px rgba(0,0,0,0.18);
}

.hint{
  font-size:12px;
  color:var(--muted);
  text-align:center;
  max-width:340px;
  line-height:1.5;
}

.controls-pane form{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.field{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  font-weight:500;
}

input[type="text"], input[type="file"], select{
  font-family:inherit;
  font-size:14px;
  padding:11px 13px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
}

input[type="text"]:focus, select:focus{
  outline:none;
  border-color:var(--gold);
}

.option-row{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.opt{
  padding:9px 14px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  cursor:pointer;
  font-size:14px;
  transition:border-color .15s;
}

.opt.active, .opt:hover{
  border-color:var(--gold);
}

.swatch{
  width:34px;
  height:34px;
  border-radius:50%;
  border:2px solid transparent;
  cursor:pointer;
  box-shadow:0 0 0 1px var(--line);
}

.swatch.active{
  border-color:var(--gold);
}

hr{
  border:none;
  border-top:1px solid var(--line);
  margin:4px 0;
}

.submit-btn{
  background:var(--ink);
  color:#fff;
  border:none;
  border-radius:8px;
  padding:14px 18px;
  font-size:14px;
  font-weight:600;
  letter-spacing:0.03em;
  cursor:pointer;
  transition:background .15s;
}

.submit-btn:hover{
  background:var(--gold);
}

.disclaimer{
  font-size:11px;
  color:var(--muted);
  margin:0;
}