/* CJ더마켓 톤 — 화이트 배경 + 그린 포인트 커머스 스타일 */
:root {
  --bg: #f5f5f5;
  --panel: #fff;
  --line: #f0f0f0;
  --line-strong: #e5e5e5;
  --text: #1a1a1a;
  --muted: #999;
  --muted-2: #666;
  --green: #2b9e3f;
  --green-soft: #eaf6ec;
  --orange: #ff6b35;
  --danger: #e64545;
  --shadow: 0 2px 10px rgba(0, 0, 0, .05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 상단 ---------- */
.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.logo em { font-style: normal; color: var(--green); }
.home-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.home-link:hover { color: var(--text); }

.steps {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  margin-top: 12px;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.steps::-webkit-scrollbar { display: none; }
.step {
  flex-shrink: 0;
  padding: 10px 14px 11px;
  font-size: 14px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.step.on {
  color: var(--text);
  font-weight: 700;
  border-bottom-color: var(--text);
}

/* ---------- 레이아웃 ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 20px;
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.stage { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.stage-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.file-btn { cursor: pointer; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border-radius: 999px;
  background: #f7f7f7;
  border: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 600;
}
.chip.green { background: var(--green-soft); border-color: #d3ecd8; color: var(--green); }
.chip[hidden] { display: none; }

/* ---------- 캔버스 ---------- */
.canvas-wrap {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  min-height: 360px;
  display: grid;
  place-items: center;
  overflow: auto;
  box-shadow: var(--shadow);
}
.canvas-wrap.dragover {
  border-color: var(--green);
  background: var(--green-soft);
}

.empty { text-align: center; color: var(--muted); padding: 48px 16px; }
.empty-icon { font-size: 42px; }
.empty-title { margin: 12px 0 4px; font-size: 16px; color: var(--text); font-weight: 800; }
.empty-sub { margin: 2px 0 0; font-size: 13px; }

.image-box { position: relative; line-height: 0; max-width: 100%; }
#preview {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  user-select: none;
  -webkit-user-drag: none;
}

/* 분할 경계선 — 편집 화면은 한 장이지만 어디서 잘리는지 보여준다 */
.slice-guides { position: absolute; inset: 0; pointer-events: none; }
.slice-guide {
  position: absolute;
  left: 0;
  right: 0;
  height: 0;
  border-top: 2px dashed rgba(43, 158, 63, .85);
}

.overlay { position: absolute; inset: 0; cursor: crosshair; touch-action: none; }

.region {
  position: absolute;
  border: 2px solid var(--green);
  background: rgba(43, 158, 63, .16);
  border-radius: 3px;
  cursor: move;
}
.region.selected {
  border-color: var(--orange);
  background: rgba(255, 107, 53, .18);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, .2);
}
.region .tag {
  position: absolute;
  top: -11px;
  left: -2px;
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}
.region.selected .tag { background: var(--orange); }
.region.draft {
  border-style: dashed;
  background: rgba(43, 158, 63, .08);
  pointer-events: none;
}

.hint { margin: 0; color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- 사이드 ---------- */
.side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 16px 18px;
  box-shadow: var(--shadow);
}
.panel-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.panel-sub { font-size: 11px; color: var(--muted); font-weight: 500; }

.field { display: block; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.field input {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: #fafafa;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.field input:focus, .area-fields input:focus {
  outline: none;
  border-color: var(--green);
  background: #fff;
}

/* ---------- 분할 목록 ---------- */
.slice-summary {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted-2);
  line-height: 1.5;
}
.slice-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.slice-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fafafa;
}
.slice-row.over { border-color: #f6d5d5; background: #fff7f7; }
.slice-thumb {
  width: 44px;
  height: 34px;
  object-fit: cover;
  border-radius: 6px;
  background: #eee;
  border: 1px solid var(--line-strong);
}
.slice-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.slice-name {
  font-size: 13px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.slice-size { font-size: 11px; color: var(--muted); }
.slice-row.over .slice-size { color: var(--danger); }
.slice-download {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--muted-2);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}
.slice-download:hover { border-color: var(--green); color: var(--green); }

/* ---------- 영역 목록 ---------- */
.area-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.area-row {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 30px;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 11px;
  background: #fafafa;
  border: 1px solid var(--line);
}
.area-row.selected { border-color: var(--orange); background: #fff8f4; }
.area-index {
  display: grid;
  place-items: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.area-row.selected .area-index { background: var(--orange); }
.area-fields { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.area-fields input {
  width: 100%;
  padding: 7px 9px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.area-coords { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.area-del {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}
.area-del:hover { color: var(--danger); border-color: var(--danger); }

.empty-list { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

/* ---------- 버튼 ---------- */
.row { display: flex; gap: 8px; align-items: center; }
.row.btns { flex-wrap: wrap; }

.btn {
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .12s ease, border-color .12s ease, background .12s ease;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; font-weight: 800; }
.btn.primary:hover:not(:disabled) { background: #248a37; border-color: #248a37; }
.btn.dark { background: var(--text); border-color: var(--text); color: #fff; font-weight: 800; }
.btn.dark:hover:not(:disabled) { background: #000; }
.btn.outline { background: #fff; color: var(--muted-2); }
.btn.outline:hover:not(:disabled) { color: var(--green); border-color: var(--green); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover:not(:disabled) { color: var(--danger); }
.btn.small { padding: 7px 12px; font-size: 13px; }

.warn { margin: 0; color: var(--danger); font-size: 13px; font-weight: 600; }
.note { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.note code { background: #f4f4f4; padding: 1px 5px; border-radius: 4px; color: var(--muted-2); }

#code-output {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: #fafafa;
  color: #2d3a2f;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.6;
  resize: vertical;
  margin-bottom: 10px;
}

/* ---------- 모달(팝업 차단 대체) ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 26, .5);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}
.modal[hidden] { display: none; }
.modal-card {
  width: min(1000px, 100%);
  height: min(80vh, 820px);
  background: var(--panel);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.modal-note { margin-left: 8px; color: var(--muted); font-size: 12px; }
.modal-note[hidden] { display: none; }
@media (max-width: 560px) { .modal-note { display: none; } }

#preview-frame { flex: 1; width: 100%; border: 0; background: var(--bg); }

@media (max-width: 1024px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}