:root {
  --cream: #f3f2ed;
  --charcoal: #171717;
  --orange: #c76315;
  --olive: #6a802e;
  --border: rgba(23, 23, 23, 0.16);
  --surface: rgba(255, 255, 255, 0.42);
}

* { box-sizing: border-box; }

html { background: var(--cream); }

body {
  min-width: 320px;
  margin: 0;
  background: var(--cream);
  color: var(--charcoal);
  font-family: Arial, Helvetica, sans-serif;
}

button, input, select, textarea { font: inherit; }

.topbar {
  min-height: 72px;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.topbar strong, .back-link { font-size: 14px; font-weight: 400; }
.back-link { color: inherit; text-decoration: none; }

.builder {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  padding: 40px 28px 56px;
}

.controls {
  align-self: start;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.control-group { display: grid; gap: 9px; }
.control-group label, .control-label {
  color: rgba(23, 23, 23, 0.72);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

input, textarea, select, button {
  appearance: none;
  border: 1px solid rgba(23, 23, 23, 0.24);
  border-radius: 10px;
  color: inherit;
}

input:not([type="checkbox"]):not([type="range"]), textarea, select {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

textarea { min-height: 86px; resize: vertical; }
select { padding-right: 42px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath d='m1 1 6 6 6-6' fill='none' stroke='%23171717' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-position: right 15px center; background-repeat: no-repeat; }

input:not([type="checkbox"]):not([type="range"]):hover, textarea:hover, select:hover { border-color: rgba(23, 23, 23, 0.32); background-color: rgba(255, 255, 255, 0.62); }
input:not([type="checkbox"]):not([type="range"]):focus, textarea:focus, select:focus { outline: none; border-color: var(--charcoal); box-shadow: 0 0 0 3px rgba(199, 99, 21, 0.2); background-color: #fff; }

.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.color-swatch { min-height: 58px; padding: 8px; display: flex; align-items: flex-end; border-color: transparent; color: var(--charcoal); font-size: 11px; text-align: left; }
.color-swatch span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.swatch-cream { background: var(--cream); border-color: rgba(23, 23, 23, 0.2); }
.swatch-charcoal { background: var(--charcoal); color: var(--cream); }
.swatch-orange { background: var(--orange); color: var(--cream); }
.swatch-olive { background: var(--olive); color: var(--cream); }
.color-swatch[aria-pressed="true"] { outline: 2px solid var(--charcoal); outline-offset: 2px; }

.segmented-control, .monogram-choices, .position-grid { display: grid; gap: 6px; }
.segmented-control { grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 4px; border: 1px solid var(--border); border-radius: 9px; background: rgba(255, 255, 255, 0.24); }
.segmented-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.segmented-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.segmented-control button, .position-grid button, .monogram-choice { padding: 9px 7px; border-color: transparent; background: transparent; font-size: 12px; }
.segmented-control button[aria-pressed="true"], .position-grid button[aria-pressed="true"], .monogram-choice[aria-pressed="true"] { border-color: rgba(23, 23, 23, 0.2); background: var(--charcoal); color: var(--cream); }

.monogram-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.monogram-choice { display: flex; align-items: center; justify-content: center; gap: 8px; }
.monogram-choice span { width: 12px; height: 12px; display: block; border-radius: 50%; }
.choice-orange span { background: var(--orange); }
.choice-charcoal span { background: var(--charcoal); }

.toggle-control { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 14px; cursor: pointer; }
.toggle-switch { position: relative; width: 42px; height: 24px; flex: 0 0 auto; }
.toggle-switch input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.toggle-track { width: 100%; height: 100%; display: block; border: 1px solid rgba(23, 23, 23, 0.26); border-radius: 999px; background: rgba(23, 23, 23, 0.12); transition: background-color 160ms ease, border-color 160ms ease; }
.toggle-thumb { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--cream); box-shadow: 0 1px 2px rgba(23, 23, 23, 0.18); transition: transform 160ms ease; }
.toggle-switch input:checked + .toggle-track { border-color: var(--charcoal); background: var(--charcoal); }
.toggle-switch input:checked + .toggle-track .toggle-thumb { transform: translateX(18px); }
.toggle-switch input:focus-visible + .toggle-track { outline: 2px solid var(--orange); outline-offset: 3px; }

.range-group label { display: flex; justify-content: space-between; gap: 12px; }
.range-group output { color: rgba(23, 23, 23, 0.58); font-size: 11px; font-weight: 400; letter-spacing: 0; text-transform: none; }
input[type="range"] { width: 100%; height: 20px; padding: 0; border: 0; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: rgba(23, 23, 23, 0.18); }
input[type="range"]::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -5px; appearance: none; border: 2px solid var(--cream); border-radius: 50%; background: var(--charcoal); box-shadow: 0 0 0 1px var(--charcoal); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: rgba(23, 23, 23, 0.18); }
input[type="range"]::-moz-range-thumb { width: 11px; height: 11px; border: 2px solid var(--cream); border-radius: 50%; background: var(--charcoal); box-shadow: 0 0 0 1px var(--charcoal); }
input[type="range"]:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

#monogram-color-group[hidden] { display: grid; opacity: 0.45; }
#monogram-color-group[hidden] button { pointer-events: none; }

button { padding: 12px 15px; background: transparent; font-size: 13px; cursor: pointer; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease; }
button:hover { border-color: var(--charcoal); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:focus-visible { outline: none; border-color: var(--charcoal); box-shadow: 0 0 0 3px rgba(199, 99, 21, 0.2); }

.actions { display: flex; gap: 12px; padding-top: 2px; }
#reset { border-color: rgba(23, 23, 23, 0.24); }
#reset:hover { background: rgba(23, 23, 23, 0.06); }
.primary-button { background: var(--charcoal); color: var(--cream); border-color: var(--charcoal); }
.primary-button:hover { background: rgba(23, 23, 23, 0.88); }

.preview-panel { min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.canvas-wrap { width: min(100%, 780px); padding: 18px; background: rgba(23, 23, 23, 0.07); }
canvas { display: block; width: 100%; height: auto; background: var(--cream); cursor: default; touch-action: none; }
canvas.canvas-interactive { cursor: grab; }
canvas.canvas-dragging { cursor: grabbing; }
.canvas-tip, .canvas-size { width: min(100%, 780px); color: rgba(23, 23, 23, 0.58); font-size: 12px; }
.canvas-tip { margin: 12px 0 0; }
.canvas-size { margin: 6px 0 0; }

@media (max-width: 800px) {
  .topbar { padding: 16px 20px; }
  .builder { min-height: 0; grid-template-columns: 1fr; gap: 32px; padding: 28px 20px 40px; }
  .controls { padding: 20px; }
  .preview-panel { order: -1; }
  .canvas-wrap, .canvas-tip, .canvas-size { width: 100%; }
}