* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; background: #f3f5ef; color: #26352d; padding: 16px; }
.container { max-width: 500px; margin: 0 auto; }
header h1 { color: #806322; margin-bottom: 4px; }
header p { color: #687568; font-size: 14px; margin-top: 0; }
.card { background: #fff; border: 1px solid #eadfe5; border-radius: 14px; padding: 18px; margin-bottom: 16px; }
h3 { margin-top: 10px; color: #806322; font-size: 16px; }
label { display: block; font-weight: 700; font-size: 14px; margin-top: 10px; }
input[type="text"] { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid #cbd7ca; margin-top: 4px; font-size: 15px; }
.color-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 8px; }
.color-grid input[type="color"] { width: 100%; height: 40px; border: none; border-radius: 6px; cursor: pointer; }
.canvas-wrapper { width: 100%; overflow: hidden; border-radius: 10px; border: 1px solid #cbd7ca; margin: 12px 0; }
canvas { width: 100%; height: auto; display: block; }
.primary-btn { width: 100%; padding: 14px; background: #25d366; color: white; border: none; border-radius: 8px; font-weight: bold; font-size: 16px; cursor: pointer; }
details summary { cursor: pointer; color: #26352d; font-size: 15px; }
.help-section { margin-top: 14px; font-size: 14px; line-height: 1.6; }
.help-section h4 { margin: 12px 0 6px 0; color: #806322; }
.help-section ol, .help-section ul { padding-left: 20px; margin: 6px 0; }
.help-section li { margin-bottom: 8px; }
/* ---- v2 ---- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { padding: 7px 12px; border-radius: 999px; border: 1px solid #cbd7ca; background: #fff; font-size: 13px; cursor: pointer; }
.chip.on { background: #26352d; color: #fff; border-color: #26352d; }
.icon-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-top: 6px; }
.icobtn { padding: 8px 0; border: 2px solid transparent; border-radius: 8px; background: #f3f5ef; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.icobtn.on { border-color: #806322; background: #fff; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; margin-top: 12px; }
.check input { width: 18px; height: 18px; accent-color: #25d366; }
.warn { margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: #fff7ed; border: 1px solid #f59e0b; color: #92400e; font-size: 13px; font-weight: 700; }
.identity { margin-top: 6px; }
.swatches { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 6px; }
.swatch { height: 52px; border-radius: 8px; border: 1px solid #cbd7ca; cursor: pointer; font-size: 11px; font-weight: 700; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.55); }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translate(-50%, 120px); background: #26352d; color: #fff; padding: 12px 22px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.25); transition: .3s; font-size: 14px; z-index: 99; }
.toast.on { transform: translate(-50%, 0); }
@media (max-width: 420px) { .icon-grid { grid-template-columns: repeat(6, 1fr); } }