:root {
  --bg-page: #f5f4f0;
  --bg-surface: #ffffff;
  --bg-subtle: #faf9f6;
  --bg-muted: #efede7;

  --text-primary: #1b1d1f;
  --text-secondary: #52575c;
  --text-muted: #787e85;

  --border-color: #dcd9d0;
  --border-strong: #bdb8ab;

  /* 건축 도면·내역서 포인트 컬러 */
  --accent-blue: #1b4f9c;
  --accent-blue-bg: #eef3fb;
  --accent-blue-border: #c5d6f0;

  --accent-green: #1d6f42;
  --accent-green-bg: #edf7f1;
  --accent-green-border: #bce0ca;

  --accent-red: #b83227;
  --accent-red-bg: #fdf0ef;
  --accent-red-border: #f3c4c0;

  --accent-amber: #a8620a;
  --accent-amber-bg: #fef7ec;
  --accent-amber-border: #f3d7a8;

  --font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-mono: "JetBrains Mono", "Pretendard", monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

/* ==================== TOP HEADER & FINANCIAL STRIP ==================== */
.top-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1680px;
  margin: 0 auto;
  padding: 16px 24px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}

.project-doc-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.doc-no {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-muted);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.meta-sep {
  color: var(--border-strong);
}

.project-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.project-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.version-switch-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-md);
}

.control-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.version-select {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 3px 2px;
}

.btn-outline-toggle {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  border: 1px solid var(--accent-blue-border);
  padding: 7px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn-outline-toggle:hover {
  background: #dce7f7;
}

.btn-outline-toggle[aria-pressed="true"] {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
}

/* 상단 금액 요약 스트립 */
.financial-strip {
  background: #f9f8f5;
  border-top: 1px solid var(--border-color);
}

.fin-strip-inner {
  max-width: 1680px;
  margin: 0 auto;
  padding: 12px 24px;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.15fr;
  gap: 14px;
}

.fin-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.fin-card-primary {
  border-left: 4px solid var(--accent-blue);
  background: #fcfdff;
}

.fin-card-diff {
  border-left: 4px solid var(--accent-green);
}

.fin-card-pending {
  border-left: 4px solid var(--accent-amber);
}

.fin-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.fin-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.fin-date-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-muted);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.fin-main-amount {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.fin-card-primary .fin-main-amount {
  color: var(--accent-blue);
}

.fin-sub-row {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ==================== SEARCH & FILTER BAR ==================== */
.search-filter-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.search-filter-inner {
  max-width: 1680px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box-wrap {
  position: relative;
  flex: 1 1 360px;
  display: flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0 10px;
}

.search-box-wrap:focus-within {
  background: var(--bg-surface);
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(27, 79, 156, 0.12);
}

.search-prefix {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  padding-right: 8px;
  border-right: 1px solid var(--border-color);
  margin-right: 8px;
  white-space: nowrap;
}

.search-input {
  width: 100%;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--text-primary);
  padding: 7px 0;
  outline: none;
}

.search-clear-btn {
  border: none;
  background: var(--bg-muted);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

/* 자동완성 드롭다운 */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  max-height: 360px;
  overflow-y: auto;
  z-index: 100;
}

.ac-header {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
}

.ac-item {
  padding: 8px 12px;
  border-bottom: 1px solid #f0eee9;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
}

.ac-item:last-child {
  border-bottom: none;
}

.ac-item:hover,
.ac-item.active {
  background: var(--accent-blue-bg);
}

.ac-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.ac-type-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.ac-type-room {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

.ac-type-task {
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
}

.ac-type-synonym {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.ac-type-item {
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.ac-keyword {
  font-weight: 600;
  color: var(--text-primary);
}

.ac-desc {
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-filters-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-select-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 9px;
}

.filter-select-item label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-select {
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
}

.btn-text-reset {
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-text-reset:hover {
  background: var(--bg-muted);
  color: var(--text-primary);
}

/* 도면 감추기 시 나타나는 전체화면 확장 필터 바 */
.expanded-filter-drawer {
  max-width: 1680px;
  margin: 0 auto;
  padding: 10px 24px 12px;
  border-top: 1px solid var(--border-color);
  background: #faf9f5;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.expanded-filter-drawer[hidden] {
  display: none !important;
}

.expanded-filter-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.drawer-row-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 105px;
  padding-top: 4px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.12s;
}

.filter-chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.filter-chip.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  font-weight: 600;
}

/* ==================== MAIN WORKSPACE SPLIT GRID ==================== */
.workspace-grid {
  max-width: 1680px;
  margin: 0 auto;
  padding: 18px 24px 36px;
  display: grid;
  grid-template-columns: 490px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

/* 도면 감추기 활성화 시 우측 영역 100% 확대 */
.workspace-grid.is-expanded {
  grid-template-columns: minmax(0, 1fr);
}

.workspace-grid.is-expanded .floorplan-pane {
  display: none;
}

/* ==================== LEFT PANE: INTERACTIVE FLOORPLAN ==================== */
.floorplan-pane {
  position: sticky;
  top: 62px;
}

.pane-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.floorplan-card-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.pane-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.pane-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.floorplan-header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.pin-toggle-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-small-action {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.btn-small-action:hover {
  background: var(--bg-muted);
}

.floorplan-canvas-wrap {
  position: relative;
  background: #f3f1ec;
  border-bottom: 1px solid var(--border-color);
}

.floorplan-svg {
  width: 100%;
  height: auto;
  max-height: 520px;
  display: block;
}

/* SVG 구역 폴리곤 스타일 */
.fp-zone-shape {
  fill-opacity: 0.14;
  stroke-width: 2.5;
  stroke-opacity: 0.65;
  cursor: pointer;
  transition: fill-opacity 0.15s, stroke-width 0.15s;
}

.fp-zone-shape:hover,
.fp-zone-shape.is-hovered {
  fill-opacity: 0.34;
  stroke-width: 4;
  stroke-opacity: 1;
}

.fp-zone-shape.is-selected {
  fill-opacity: 0.42;
  stroke-width: 5;
  stroke-opacity: 1;
}

.fp-zone-label-box {
  pointer-events: none;
}

.fp-zone-title {
  font-family: var(--font-sans);
  font-size: 21px;
  font-weight: 700;
  fill: #1b1d1f;
  text-anchor: middle;
}

.fp-zone-sub {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  fill: #1b4f9c;
  text-anchor: middle;
}

.fp-pin-group {
  cursor: pointer;
}

.fp-pin-circle {
  stroke: #ffffff;
  stroke-width: 2.5;
  transition: transform 0.15s;
}

.fp-pin-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  fill: #ffffff;
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
}

.fp-hover-bar {
  padding: 9px 14px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  font-size: 12.5px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.fp-hover-default {
  color: var(--text-secondary);
}

/* 평면도 하단 구역 미니 그리드 */
.floorplan-room-strip {
  padding: 12px 14px 14px;
  background: var(--bg-subtle);
}

.strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11.5px;
  color: var(--text-secondary);
}

.strip-title {
  font-weight: 700;
}

.strip-legend {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 3px;
}

.dot-changed {
  background: var(--accent-red);
}

.dot-normal {
  background: var(--accent-blue);
}

.fp-room-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.fp-room-btn {
  text-align: left;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  transition: all 0.12s;
}

.fp-room-btn:hover {
  border-color: var(--accent-blue);
}

.fp-room-btn.active {
  background: var(--accent-blue-bg);
  border-color: var(--accent-blue);
  box-shadow: inset 0 0 0 1px var(--accent-blue);
}

.fp-room-btn-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.fp-room-btn-amt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==================== RIGHT PANE: INFO & TABLES ==================== */
.info-pane {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.context-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.context-banner.is-room-focused {
  border-left-color: var(--accent-green);
  background: #fbfefc;
}

.context-banner-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.context-banner-sub {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.context-banner-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ctx-metric {
  text-align: right;
}

.ctx-metric-label {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
}

.ctx-metric-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

/* 우측 내부 탭 네비게이션 */
.info-view-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  padding-bottom: 1px;
}

.info-tab {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-bottom: none;
  padding: 9px 15px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.info-tab:hover {
  color: var(--text-primary);
  background: #e7e4dc;
}

.info-tab.active {
  background: var(--bg-surface);
  color: var(--accent-blue);
  border-color: var(--border-color);
  box-shadow: 0 1px 0 var(--bg-surface);
  font-weight: 700;
}

.tab-count {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.06);
  color: inherit;
}

.info-tab.active .tab-count {
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
}

.view-panel {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.view-panel.active {
  display: flex;
}

/* 구역 선택 시 상단 3D 렌더링 미리보기 바 */
.room-render-strip {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.room-render-strip[hidden] {
  display: none !important;
}

.render-strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.render-thumb-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}

.render-thumb-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-subtle);
  cursor: pointer;
  transition: border-color 0.15s;
}

.render-thumb-card:hover {
  border-color: var(--accent-blue);
}

.render-thumb-card img {
  width: 100%;
  height: 104px;
  object-fit: cover;
  display: block;
}

.render-thumb-caption {
  padding: 5px 8px;
  font-size: 11.5px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 섹션 툴바 */
.section-toolbar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filtered-result-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.group-mode-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  margin-right: 4px;
}

/* ==================== TRADE ACCORDION & TASK TABLE ==================== */
.tasks-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trade-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.trade-card-header {
  padding: 11px 16px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.trade-card-header:hover {
  background: var(--bg-muted);
}

.trade-card.collapsed .trade-card-body {
  display: none;
}

.trade-card.collapsed .trade-card-header {
  border-bottom: none;
}

.trade-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.trade-code-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  border: 1px solid var(--accent-blue-border);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.trade-name {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.trade-count-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.trade-Subtotals {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.trade-sub-item {
  color: var(--text-secondary);
}

.trade-sub-item strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* 내역서 테이블 */
.table-scroll {
  width: 100%;
  overflow-x: auto;
}

.estimate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.estimate-table th {
  background: #f4f2ec;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.estimate-table th.text-right {
  text-align: right;
}

.estimate-table td {
  padding: 10px 10px;
  border-bottom: 1px solid #eceae4;
  vertical-align: top;
}

.estimate-table tbody tr:last-child td {
  border-bottom: none;
}

.estimate-table tbody tr:hover {
  background-color: #faf9f5;
}

/* 변경 상태별 행 배경 강조 */
.row-added {
  background-color: #f6fbf8;
}

.row-modified {
  background-color: #f8fafe;
}

.row-excluded {
  background-color: #fdf6f6;
}

/* 취소선(변경 전) 및 변경 후(신규/수정) 표기 */
del.diff-del {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--accent-red);
  text-decoration-thickness: 1.5px;
  font-size: 12px;
  display: inline;
}

ins.diff-ins {
  text-decoration: none;
  color: var(--accent-blue);
  font-weight: 600;
  background: rgba(27, 79, 156, 0.07);
  padding: 0 4px;
  border-radius: 2px;
}

.diff-ins-added {
  text-decoration: none;
  color: var(--accent-green);
  font-weight: 600;
}

/* 상태 배지 (자연스러운 건설 내역서 톤) */
.status-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  line-height: 1.3;
}

.tag-normal {
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.tag-added {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid var(--accent-green-border);
}

.tag-modified {
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue-border);
}

.tag-excluded {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border: 1px solid var(--accent-red-border);
}

.tag-pending {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber-border);
}

.room-pill {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  margin: 1px 3px 1px 0;
  cursor: pointer;
}

.room-pill:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.item-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.task-title {
  font-weight: 600;
  color: var(--text-primary);
}

.spec-detail-note {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.change-reason-box {
  margin-top: 5px;
  padding: 5px 8px;
  background: rgba(27, 79, 156, 0.05);
  border-left: 2px solid var(--accent-blue);
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* ==================== 원가계산서 카드 ==================== */
.cost-statement-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.statement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.stmt-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.stmt-box-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.stmt-box-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 3px;
}

.stmt-box-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==================== 구역별 보기 (ROOMS VIEW) ==================== */
.rooms-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.room-summary-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.room-summary-card:hover {
  border-color: var(--accent-blue);
}

.room-summary-card.active {
  border-color: var(--accent-blue);
  background: #f9fbff;
  box-shadow: inset 0 0 0 1px var(--accent-blue);
}

.selected-room-detail-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

/* ==================== 공정 일정표 (SCHEDULE VIEW) ==================== */
.schedule-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.schedule-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.gantt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 10px;
}

.gantt-table th,
.gantt-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.gantt-table th {
  background: var(--bg-subtle);
  font-size: 12px;
  color: var(--text-secondary);
}

.gantt-bar-track {
  width: 100%;
  height: 12px;
  background: var(--bg-muted);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.gantt-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--accent-blue);
  border-radius: 3px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 10px;
}

.cal-day-header {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 6px 0;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.cal-cell {
  min-height: 88px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cal-cell.is-current-week {
  border-color: var(--accent-blue);
  background: #fbfdff;
}

.cal-date-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
}

.cal-event-tag {
  font-size: 11px;
  padding: 2px 5px;
  border-radius: 3px;
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
  font-weight: 600;
  line-height: 1.3;
}

.cal-event-tag.is-demo {
  background: var(--accent-red-bg);
  color: var(--accent-red);
}

.cal-event-tag.is-material {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.cal-event-tag.is-finish {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

/* ==================== 3D 시안 및 마감재 스펙 (SPECS VIEW) ==================== */
.specs-gallery-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.spec-sheet-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.gallery-room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.gallery-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s, border-color 0.12s;
}

.gallery-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.gallery-card img {
  width: 100%;
  height: 165px;
  object-fit: cover;
  display: block;
}

.gallery-card-body {
  padding: 9px 11px;
}

.gallery-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.gallery-card-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==================== 이미지 모달 ==================== */
.image-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.image-modal[hidden] {
  display: none !important;
}

.image-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 20, 23, 0.72);
}

.image-modal-content {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 1080px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.image-modal-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-room-badge {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.modal-title {
  font-size: 15px;
  font-weight: 700;
  margin-top: 3px;
}

.btn-modal-close {
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
}

.image-modal-body {
  background: #141618;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  max-height: 74vh;
}

.image-modal-body img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
}

.image-modal-caption {
  padding: 10px 18px;
  font-size: 12.5px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

/* ==================== FOOTER ==================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
  padding: 16px 24px;
  font-size: 12px;
  color: var(--text-secondary);
}

.footer-inner {
  max-width: 1680px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1180px) {
  .fin-strip-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .floorplan-pane {
    position: static;
  }
}

@media (max-width: 680px) {
  .fin-strip-inner {
    grid-template-columns: 1fr;
  }
  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}