:root{--blue:#1800ff;}

html,body{
  height:100%;
  margin:0;
  background:#fff;
  font-family:"nexa",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  font-weight:700;
  color:var(--blue);
}

#draw{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  display:block;
  touch-action:none;
}

/* Logo */
.mark{
  position:fixed;
  top:32px;
  left:32px;
  z-index:10;
  font-size:120px;
  line-height:.95;
  letter-spacing:-2px;
  user-select:none;
}
.mark div:last-child{margin-top:-6px;}

/* Dock: allow drawing pass-through except on actual controls */
.dock{
  position:fixed;
  left:24px;
  right:24px;
  bottom:24px;
  z-index:20;

  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:12px;

  pointer-events:none;
}
.controls,.contact{pointer-events:auto;}

/* Auto-hide for CONTROLS only (contact always visible) */
.controls{
  transition: opacity 220ms ease, transform 220ms ease;
}
.controls.controls--hidden{
  opacity:0;
  transform: translateY(10px);
  pointer-events:none;
}
.controls.controls--dim{
  opacity:.18;
}

.controls{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}

.control{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border:1px solid rgba(24,0,255,.25);
  border-radius:999px;
  background:rgba(255,255,255,.9);
  font-size:12px;
  font-weight:700;
  color:var(--blue);
}
.label{font-weight:700;}

.btn{
  border:1px solid rgba(24,0,255,.25);
  border-radius:999px;
  padding:10px 14px;
  background:rgba(255,255,255,.9);
  font-size:12px;
  font-weight:700;
  color:var(--blue);
  cursor:pointer;
}

.contact{
  border:1px solid var(--blue);
  border-radius:999px;
  padding:10px 14px;
  background:var(--blue);
  font-size:12px;
  font-weight:700;
  color:#fff;
  text-decoration:none;
  white-space:nowrap;
}

/* Mobile: left-aligned, constrained widths */
@media (max-width: 640px){
  .mark{
    font-size:72px;
    letter-spacing:-1.5px;
    top:20px;
    left:20px;
  }

  .dock{
    left:16px;
    right:16px;
    bottom:calc(12px + env(safe-area-inset-bottom));
    align-items:flex-end;
  }

  /* Keep contact on the right, but not full width */
  .contact{
    padding:11px 14px;
    font-size:13px;
  }

  /* Controls become a left-aligned stack with max width */
  .controls{
    position:fixed;
    left:16px;
    bottom:calc(62px + env(safe-area-inset-bottom)); /* sits above contact */
    width:min(320px, calc(100% - 32px));
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
  }

  .control{
    width:100%;
    padding:8px 12px;
    font-size:11px;
    justify-content:space-between;
  }

  /* Make inputs not force full-screen stretching */
  .control input[type="range"]{
    flex:1;
    min-width:120px;
  }

  .btn{
    width:max-content;
    padding:8px 12px;
    font-size:11px;
  }
}