:root {
  --bg: #f5f5f4; --panel: #fff; --line: #e5e5e5; --text: #1c1917; --muted: #78716c;
  --primary: #2563eb; --danger: #dc2626; --warn-bg: #fef3c7; --warn-text: #92400e;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* .side-tabs, label 등의 display 규칙보다 우선 */
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, "Noto Sans KR", "Malgun Gothic", sans-serif; }
h1, h2 { margin: 0; font-weight: 600; }
button, input, select, textarea { font: inherit; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar h1 { font-size: 18px; }
.prefill-banner { background: #eff6ff; color: #1e3a8a; padding: 10px 16px; font-size: 14px; border-bottom: 1px solid #bfdbfe; }
.prefill-banner.error { background: var(--warn-bg); color: var(--warn-text); border-color: #fde68a; }
.prefill-banner .warn-inline { display: block; margin-top: 4px; color: var(--warn-text); font-size: 13px; }
.product-pick { display: flex; align-items: center; gap: 8px; }
.topnav { margin-left: auto; font-size: 13px; }
.topnav a { color: var(--muted); text-decoration: none; }
.topnav a:hover { color: var(--primary); }
.product-pick select { padding: 6px 8px; }

.editor { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto; }
.preview-col { min-width: 0; }
.product-name { font-size: 17px; margin-bottom: 8px; }

/* 스테이지: 좌표계는 목업 원본 px. 화면 맞춤은 transform: scale 로만. */
.stage-wrap { position: relative; width: 100%; overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.stage { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.stage .effect { position: absolute; left: 0; top: 0; pointer-events: none; }
.edit-holder { position: absolute; transform-origin: 0 0; }
.edit-holder.overlay { z-index: 2; }
.edit-holder .canvas-container { position: absolute !important; left: 0; top: 0; }
.flat-edit-wrap { position: relative; margin-top: 12px; overflow: hidden; background: repeating-conic-gradient(#eee 0 25%, #fff 0 50%) 0 0 / 20px 20px; border: 1px solid var(--line); border-radius: 8px; }
.flat-edit-wrap .edit-holder.standalone { position: absolute; left: 0; top: 0; }

.side-tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.template-row { margin-bottom: 8px; }
.template-row label > span { display: block; font-size: 12px; color: var(--muted); }
.template-meta { display: flex; gap: 10px; align-items: center; }
.template-thumb { width: 96px; height: 72px; object-fit: cover; border: 1px solid var(--line); border-radius: 6px; }
.template-row select { width: 100%; max-width: 520px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; }
.all-int { display: block; padding: 8px; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 8px; background: var(--bg); }
.all-int > span { display: block; font-size: 13px; margin-bottom: 2px; }
.all-int input { width: 100%; }
.slot-int { display: block; margin-top: 6px; }
.slot-int > span { display: block; font-size: 12px; color: var(--muted); }
.slot-int input { width: 100%; }
.slot-field { border: 1px solid var(--line); border-radius: 6px; padding: 8px; margin-bottom: 8px; }
.slot-field .name { font-weight: 600; font-size: 13px; }
.slot-field .req { color: var(--danger); font-size: 12px; margin-left: 4px; }
.slot-field .status { font-size: 12px; color: var(--muted); min-height: 1.2em; }
.slot-field .thumb { max-height: 60px; background: repeating-conic-gradient(#eee 0 25%, #fff 0 50%) 0 0 / 12px 12px; padding: 4px; border-radius: 4px; }
.side-tab { padding: 6px 12px; border: 1px solid var(--line); background: var(--panel); border-radius: 6px; cursor: pointer; }
.side-tab.active { border-color: var(--primary); color: var(--primary); font-weight: 600; }

.hint { color: var(--muted); font-size: 13px; margin: 8px 0; }
.disclaimer { color: var(--muted); font-size: 12px; margin: 8px 0; }
.warn { background: var(--warn-bg); color: var(--warn-text); padding: 8px 12px; border-radius: 6px; margin: 8px 0; font-size: 13px; }
.warn-list { background: var(--warn-bg); color: var(--warn-text); padding: 8px 12px 8px 28px; border-radius: 6px; margin: 8px 0; font-size: 13px; }
.warn-list:empty { display: none; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px; align-self: start; position: sticky; top: 12px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.tab-btn { flex: 1; padding: 8px; border: 0; background: none; cursor: pointer; border-bottom: 2px solid transparent; color: var(--muted); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-panel label { display: block; margin: 8px 0; }
.tab-panel label > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.tab-panel label.row { display: flex; gap: 8px; align-items: flex-start; }
.tab-panel label.row > span { display: inline; color: var(--text); font-size: 13px; }
.tab-panel input[type=text], .tab-panel input[type=number], .tab-panel input:not([type]), .tab-panel input[type=email],
.tab-panel select, .tab-panel textarea { width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; }
.tab-panel input[type=range] { width: 100%; }
.file-pick { display: block; padding: 16px; border: 2px dashed var(--line); border-radius: 8px; text-align: center; cursor: pointer; color: var(--muted); }
.file-pick input { display: none; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.status { font-size: 13px; color: var(--muted); min-height: 1.5em; }
.vec-preview { background: repeating-conic-gradient(#eee 0 25%, #fff 0 50%) 0 0 / 16px 16px; border: 1px solid var(--line); border-radius: 6px; min-height: 60px; padding: 8px; }
.vec-preview svg { width: 100%; height: auto; max-height: 220px; }

.btn { padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; }
a.btn { color: inherit; text-decoration: none; display: inline-block; box-sizing: border-box; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.ghost { margin-top: 8px; }
.btn.wide { width: 100%; margin-top: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.layer-list { list-style: none; padding: 0; margin: 0 0 12px; }
.layer-item { padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 4px; cursor: pointer; font-size: 14px; }
.layer-item.active { border-color: var(--primary); }
.layer-item.oob { border-color: var(--danger); color: var(--danger); }
.layer-list .muted { color: var(--muted); font-size: 13px; }
.selection { border-top: 1px solid var(--line); padding-top: 8px; }
.sel-kind { font-weight: 600; margin: 0 0 4px; }

.options label { margin: 8px 0; }
.price { font-size: 16px; }
.price small { color: var(--muted); font-size: 12px; }
.msg { white-space: pre-line; font-size: 14px; margin-top: 8px; }
.msg.ok { color: #166534; }
.msg.error { color: var(--danger); }
fieldset { border: 0; padding: 0; margin: 0; }

/* 모바일: 주문 고객 대부분은 휴대폰에서 들어온다 */
@media (max-width: 900px) {
  .editor { grid-template-columns: 1fr; padding: 8px; gap: 8px; }
  .panel { position: static; }
  .topbar { flex-wrap: wrap; }
}