:root{
  --bg: #fbf1f0; --panel: #ffffff; --panel-2: #f8ebe9; --line: #f0d8d5;
  --accent: #9c2b2b; --accent-soft: #f6dcd9; --accent-dim: #fbf0ee;
  --text: #241816; --muted: #7a6260; --muted-2: #a68d8b; --good: #2e7d4f; --bad: #b3402f;
}

.section-box{ background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.label{ display: block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; color: var(--muted); }
.dropzone{ border: 2px dashed var(--line); border-radius: 10px; padding: 30px 20px; text-align: center; cursor: pointer; transition: border-color .15s ease, background .15s ease; }
.dropzone:hover, .dropzone.dragover{ border-color: var(--accent); background: var(--accent-dim); }
.dropzone .icon{ font-size: 28px; margin-bottom: 8px; }
.dropzone .main{ font-size: 14px; font-weight: 600; }
.dropzone .sub{ font-size: 12px; color: var(--muted); margin-top: 4px; }
input[type=file]{ display: none; }
.file-info{ margin-top: 10px; font-size: 12.5px; color: var(--muted); }
.file-info b{ color: var(--text); }

input[type=text]{ width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); font-size: 13.5px; font-family: 'Inter', sans-serif; background: #fff; color: var(--text); }
input[type=color]{ width: 100%; height: 34px; border: 1px solid var(--line); border-radius: 6px; padding: 2px; background: #fff; cursor: pointer; }

.mode-picker{ display: flex; gap: 8px; margin-top: 14px; }
.mode-chip{ padding: 8px 14px; border-radius: 20px; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 12.5px; font-weight: 600; cursor: pointer; flex: 1; text-align: center; }
.mode-chip.active{ background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

.pos-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; max-width: 150px; margin: 14px auto 0; }
.pos-cell{ aspect-ratio: 1; border-radius: 6px; border: 1px solid var(--line); background: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.pos-cell::after{ content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted-2); }
.pos-cell.active{ border-color: var(--accent); background: var(--accent-soft); }
.pos-cell.active::after{ background: var(--accent); }

.settings-grid{ display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-top: 16px; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field .rowss{ display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; }
.field .val{ font-family: 'JetBrains Mono', monospace; color: var(--accent); font-size: 11.5px; }
input[type=range]{ width: 100%; accent-color: var(--accent); }

.btns{ display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.app{ padding: 11px 22px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 13.5px; font-family: 'Inter', sans-serif; color: #fff; background: linear-gradient(135deg, var(--accent), #c85a5a); transition: filter .15s ease; }
.app:hover{ filter: brightness(1.08); }
.app:disabled{ opacity: 0.5; cursor: not-allowed; }
.gray{ background: var(--line); color: var(--text); }
.empty-state{ text-align: center; color: var(--muted-2); padding: 26px 10px; font-size: 13.5px; }
.loading{ text-align: center; padding: 26px 10px; color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 13px; }

.result-box{ display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
.result-box .rinfo{ font-size: 13px; }
.result-box .rinfo b{ color: var(--accent); }

.note{ margin-top: 14px; font-size: 12px; color: var(--muted); line-height: 1.6; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }

.canvas-wrap{
  position: relative; display: inline-block; max-width: 100%;
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff;
}
.canvas-wrap canvas{ display: block; max-width: 100%; }
#previewOverlay{
  position: absolute;
  white-space: nowrap;
  font-family: 'Helvetica', 'Arial', sans-serif;
  font-weight: 700;
  pointer-events: none;
  line-height: 1;
}
.preview-wrap{ text-align: center; }