* { box-sizing: border-box; }

:root {
  --bg: #eceae5;
  --panel: #ffffff;
  --border: #d8d4cc;
  --text: #2b2a27;
  --text-2: #7a766e;
  --accent: #1e5bc6;
  --accent-dark: #16469a;
  --danger: #c9302c;
  --radius: 8px;
}

html, body {
  margin: 0;
  height: 100%;
  font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

.hidden { display: none !important; }
.spacer { flex: 1; }
.meta { color: var(--text-2); font-size: 12px; }
.hint { color: var(--text-2); font-size: 12px; line-height: 1.6; margin: 6px 0; }

.screen { display: flex; flex-direction: column; height: 100vh; }

/* ── 상단 바 ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  white-space: nowrap;
}
.topbar .btn { white-space: nowrap; }
.brand { font-size: 17px; font-weight: 700; }
.brand-sub { font-size: 12px; font-weight: 400; color: var(--text-2); margin-left: 8px; }
.user-field { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-2); }
.user-field input {
  width: 110px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
}
.name-input {
  width: 260px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
}

/* ── 버튼 ── */
.btn {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}
.btn:hover { border-color: #b9b4a9; background: #faf9f6; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.danger { color: var(--danger); border-color: #e3b1b0; }
.btn.danger:hover { background: #fdf3f3; }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:disabled { opacity: 0.45; cursor: default; }

/* ── 갤러리 ── */
.gallery-main { flex: 1; overflow-y: auto; padding: 24px; }
.gallery-status { text-align: center; color: var(--text-2); padding: 48px 0; font-size: 15px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
  max-width: 1200px;
  margin: 0 auto;
}
.design-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s;
}
.design-card:hover { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); transform: translateY(-2px); }
.design-card .thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #dfdcd5;
  object-fit: cover;
  display: block;
}
.design-card .thumb-empty {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #dfdcd5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 13px;
}
.design-card .card-body { padding: 10px 12px 12px; }
.design-card .card-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.design-card .card-meta { font-size: 12px; color: var(--text-2); display: flex; gap: 8px; }

/* ── 편집 레이아웃 ── */
.editor-layout { flex: 1; display: flex; min-height: 0; }

.toolbar {
  width: 130px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tool-group { display: flex; flex-direction: column; gap: 5px; }
.group-label { font-size: 11px; color: var(--text-2); margin-bottom: 2px; }
.tool {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
}
.tool:hover { background: #faf9f6; }
.tool.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.palette { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 0;
}
.swatch.active { outline: 2px solid var(--accent); outline-offset: 1px; }
#color-custom { width: 100%; height: 28px; border: 1px solid var(--border); border-radius: 4px; padding: 1px; background: var(--panel); cursor: pointer; }
input[type='range'] { width: 100%; }

/* ── 캔버스 영역 ── */
.canvas-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.surface-tabs {
  display: flex;
  gap: 6px;
  padding: 8px 12px 0;
  flex-shrink: 0;
}
.surface-tab {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: #e2dfd8;
  font-size: 13px;
  cursor: pointer;
}
.surface-tab.active { background: var(--panel); font-weight: 700; }
.canvas-scroll {
  flex: 1;
  overflow: auto;
  background: #cfccc4;
  border-top: 1px solid var(--border);
  position: relative;
}
.canvas-zoombox { padding: 30px; width: max-content; }
.canvas-stack {
  position: relative;
  transform-origin: 0 0;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.18);
  background: #fff;
}
.canvas-stack > canvas.paint { position: absolute; inset: 0; touch-action: none; }
.objects-layer, .anno-layer, .guide-svg { position: absolute; inset: 0; }
.guide-svg { pointer-events: none; }
.objects-layer { pointer-events: none; }
.objects-layer .obj {
  position: absolute;
  pointer-events: auto;
  cursor: move;
  user-select: none;
  white-space: pre;
  line-height: 1.15;
  touch-action: none;
}
.objects-layer .obj img { display: block; width: 100%; height: auto; pointer-events: none; }
.objects-layer .obj.selected { outline: 2px dashed var(--accent); outline-offset: 2px; }
.anno-layer { pointer-events: none; }
.anno-pin {
  position: absolute;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: #f5c518;
  border: 2px solid #8a6d00;
  color: #4d3d00;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}
.anno-pin span { transform: rotate(45deg); }
.op-preview {
  position: absolute;
  background: rgba(30, 91, 198, 0.25);
  border: 1px dashed var(--accent);
  pointer-events: none;
}
.canvas-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.guide-toggle { display: flex; align-items: center; gap: 4px; cursor: pointer; }

/* ── 우측 패널 ── */
.right-panel {
  width: 360px;
  flex-shrink: 0;
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel-3d { border-bottom: 1px solid var(--border); flex-shrink: 0; }
#three-canvas { width: 100%; height: 320px; display: block; background: #dcd9d2; }
.panel-3d-bar { display: flex; align-items: center; gap: 6px; padding: 6px 10px; }
.panel-tabs { display: flex; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.panel-tab {
  flex: 1;
  padding: 9px 4px;
  border: none;
  background: #f1efe9;
  font-size: 13px;
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.panel-tab:last-child { border-right: none; }
.panel-tab.active { background: var(--panel); font-weight: 700; }
.count-badge {
  display: inline-block;
  min-width: 17px;
  padding: 1px 5px;
  border-radius: 9px;
  background: #e2dfd8;
  font-size: 11px;
}
.panel-bodies { flex: 1; overflow-y: auto; min-height: 0; }
.panel-body { padding: 12px; }
.prop-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.prop-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; }
.prop-row input[type='number'], .prop-row select {
  width: 110px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}
#obj-text, #comment-input, #anno-input {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

/* ── 주석/댓글 목록 ── */
.anno-list, .comment-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.anno-item, .comment-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.55;
}
.anno-item { cursor: pointer; }
.anno-item.highlight { border-color: #d9a900; background: #fdf7e2; }
.anno-item .anno-head, .comment-item .comment-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
  font-size: 12px;
  color: var(--text-2);
}
.anno-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #f5c518;
  color: #4d3d00;
  font-size: 11px;
  font-weight: 700;
}
.anno-del, .comment-del {
  margin-left: auto;
  border: none;
  background: none;
  color: var(--text-2);
  cursor: pointer;
  font-size: 14px;
  padding: 0 3px;
}
.anno-del:hover, .comment-del:hover { color: var(--danger); }
.comment-form { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.comment-form button { align-self: flex-end; }

/* ── 주석 팝오버 ── */
.anno-popover {
  position: fixed;
  z-index: 50;
  width: 260px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  padding: 10px;
}
.anno-popover-btns { display: flex; justify-content: flex-end; gap: 6px; margin-top: 8px; }

/* ── 가이드 SVG ── */
.guide-svg text { font-family: 'Malgun Gothic', sans-serif; }