:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7edf4;
  --muted: #8b9cb3;
  --accent: #3d8fd1;
  --danger: #c94c4c;
  --ok: #3d997a;
}

* { box-sizing: border-box; }

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* 프로젝트 상세(3열, 넓은 화면): 문서 스크롤 끔 — 썸네일/도면/BOM 패널만 스크롤 */
@media (min-width: 1025px) {
  html:has(body > main.main-fill) {
    overflow: hidden;
    height: 100dvh;
    max-height: 100dvh;
  }

  body:has(> main.main-fill) {
    min-height: 0;
    height: 100%;
    max-height: 100%;
    overflow: hidden;
  }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); }

.container {
  flex: 1 1 auto;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem;
}

/* 프로젝트 상세: 뷰포트에 맞춰 남는 영역 전부 사용 */
main.main-fill {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0.5rem 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail-page {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 0.35rem;
}

.detail-header {
  flex-shrink: 0;
}

.detail-title {
  font-size: 1.15rem;
  margin: 0 0 0.15rem;
  line-height: 1.25;
}

.detail-sub {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

.upload-row--compact {
  margin: 0.25rem 0 0;
}

.btn {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.small { font-size: 0.8rem; padding: 0.2rem 0.5rem; }

.tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
}
.tbl th, .tbl td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.tbl th { background: #243047; }
.actions { white-space: nowrap; }
.link-danger {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 0;
  font: inherit;
}

.stack-form label {
  display: block;
  margin-bottom: 1rem;
}
.stack-form input, .stack-form textarea {
  width: 100%;
  max-width: 480px;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.inline-form { display: inline-flex; align-items: center; gap: 0.5rem; }

.upload-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.notice {
  padding: 0.75rem 1rem;
  background: #243047;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* 페이지 : 도면 : BOM = 1 : 6 : 5 (전체 12 기준) */
.layout-3col {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 6fr) minmax(0, 5fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 0.65rem;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .layout-3col {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(200px, 28vh) minmax(240px, 1fr) auto;
  }
}

.col {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.col h2 {
  font-size: 0.9rem;
  margin: 0 0 0.35rem;
  color: var(--muted);
  flex-shrink: 0;
}

/* 스크롤은 페이지(썸네일) 목록에만 — 열 밖으로 내용이 밀어 올리지 않음 */
.thumbs-col {
  overflow: hidden;
}

.thumbs-col .thumbs-strip {
  flex: 1 1 auto;
  min-height: 0;
  overscroll-behavior: contain;
}

.viewer-col,
.bom-col {
  overflow: hidden;
}

.viewer-col .viewer-wrap {
  flex: 1 1 auto;
  min-height: 0;
}

.viewer-col #page-meta {
  flex-shrink: 0;
  margin: 0.35rem 0 0;
}

.bom-col .bom-panel {
  flex: 1 1 auto;
  min-height: 0;
}

.bom-col #btn-reanalyze {
  flex-shrink: 0;
  margin-top: 0.5rem;
  align-self: flex-start;
}

.thumbs-strip {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
  overflow-x: hidden;
  align-items: center;
  -webkit-overflow-scrolling: touch;
}

.thumb {
  position: relative;
  flex-shrink: 0;
  width: 88%;
  max-width: 88%;
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0;
  cursor: pointer;
  /* A4 가로 비율, 페이지 열 폭의 대부분 사용(스크롤바·여백 여유) */
  aspect-ratio: 297 / 210;
  min-height: 0;
  background: #0a0e12;
  overflow: hidden;
}
.thumb-active { border-color: var(--accent); }
.thumb img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  vertical-align: middle;
}
.thumb-badges {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
}
.thumb-idx {
  position: absolute;
  bottom: 4px;
  left: 4px;
  font-size: 0.75rem;
  color: #fff;
  background: rgba(0,0,0,0.65);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-weight: 600;
}
.badge-wait { background: #5a6578; color: #fff; }
.badge-ok { background: var(--ok); color: #fff; }
.badge-neutral { background: #4a5568; color: #e7edf4; }
.badge-err { background: var(--danger); color: #fff; }

.viewer-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #111;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.viewer-wrap::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.viewer-stage {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.viewer-stage::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.img-stack {
  position: relative;
  display: inline-block;
  max-width: 100%;
  transform-origin: center center;
  will-change: transform;
  transition: transform 0.25s ease;
}
.img-stack img {
  max-width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
}
.viewer-controls {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  max-width: calc(100% - 16px);
  pointer-events: none;
}
.viewer-controls-inner {
  pointer-events: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
}
.viewer-tool-btn {
  background: #2a3a52;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.78rem;
  line-height: 1.2;
  font-weight: 600;
}
.viewer-tool-btn:hover {
  background: #3d8fd1;
  border-color: #3d8fd1;
  color: #fff;
}
.viewer-tool-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: #2a3a52;
  border-color: var(--border);
  color: var(--muted);
}
.viewer-tool-wide {
  padding: 4px 8px;
}
.viewer-zoom-pct {
  font-size: 0.72rem;
  min-width: 2.75rem;
  text-align: center;
  color: var(--muted);
  font-weight: 600;
}
/* BOM(crop) 밖만 빗금 — 자식 .crop-shade-bar 네 조각이 구멍을 둘러쌈 */
.crop-outside-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  box-sizing: border-box;
}
/* crop 좌표 없을 때: 영역 전체에만 빗금(막대는 숨김) */
.crop-outside-shade--full {
  background-color: rgba(15, 20, 28, 0.18);
  background-image: repeating-linear-gradient(
    -33deg,
    rgba(255, 255, 255, 0.035) 0 5px,
    rgba(0, 0, 0, 0.05) 5px 10px
  );
}
.crop-outside-shade--full .crop-shade-bar {
  display: none;
}
.crop-shade-bar {
  position: absolute;
  box-sizing: border-box;
  background-color: rgba(15, 20, 28, 0.18);
  background-image: repeating-linear-gradient(
    -33deg,
    rgba(255, 255, 255, 0.035) 0 5px,
    rgba(0, 0, 0, 0.05) 5px 10px
  );
}
.crop-box {
  position: absolute;
  z-index: 2;
  border: 3px solid #e94f4f;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.5);
  pointer-events: none;
  box-sizing: border-box;
}

.bom-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  overflow: auto;
}
.bom-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.bom-tbl th, .bom-tbl td {
  border: 1px solid var(--border);
  padding: 0.35rem 0.5rem;
}
.bom-tbl th { background: #243047; }