/* SLOPE/W 웹 UI — 다크/라이트 테마 */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1a1d23;
  --surface: #1e2130;
  --surface2: #252838;
  --surface-alt: #21253a;
  --border: #2d3142;
  --text: #e8eaf0;
  --text-strong: #ffffff;
  --muted: #8b90a8;
  --dim: #5a6080;
  --accent: #2e6fdb;
  --accent-soft: #2e6fdb33;
  --accent-text: #6ea8ff;
  --success: #1a7a4a;
  --success-hover: #1e9058;
  --header-bg: #141720;
  --header-sub: #6a7090;
  --grid: #252838;
  --readonly-bg: #2f3448;
  --readonly-fg: #8a90a8;
  --log-bg: #111318;
  --log-fg: #7fff8a;
  --btn-border: #3a3f58;
  --btn-text: #c8cce0;
  --btn-hover-bg: #2d3142;
  --group-title: #9ba3c0;
  --canvas-bg: #1e2230;
  --map-label: #9aa3c4;
  --map-text: #c8cce0;
  --map-id: #4fc3f7;
  --legend-title: #c8cce0;
  --legend-name: #aeb4cc;
  --legend-regions: #8b93b0;
  --swatch-empty: #3a3f55;
  --swatch-border: #5a6080;
  --swatch-valid-border: #c8cce0;
  --toast-shadow: rgba(0, 0, 0, 0.35);
  --model-mc-bg: rgba(52, 168, 120, 0.14);
  --model-mc-accent: #3da87c;
  --model-depth-bg: rgba(200, 150, 58, 0.14);
  --model-depth-accent: #c8963c;
  --model-datum-bg: rgba(130, 100, 220, 0.14);
  --model-datum-accent: #8b6bd8;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef0f5;
  --surface: #ffffff;
  --surface2: #f3f5fa;
  --surface-alt: #e8ebf3;
  --border: #c8cedb;
  --text: #1a1f2e;
  --text-strong: #0d1117;
  --muted: #5a6478;
  --dim: #7a8498;
  --accent: #2563eb;
  --accent-soft: #2563eb22;
  --accent-text: #1d4ed8;
  --success: #15803d;
  --success-hover: #166534;
  --header-bg: #ffffff;
  --header-sub: #6b7280;
  --grid: #dde2ec;
  --readonly-bg: #ebeef5;
  --readonly-fg: #6b7280;
  --log-bg: #f8fafc;
  --log-fg: #166534;
  --btn-border: #b8c0d0;
  --btn-text: #374151;
  --btn-hover-bg: #e5e9f2;
  --group-title: #4b5563;
  --canvas-bg: #f0f2f7;
  --map-label: #4b5563;
  --map-text: #1f2937;
  --map-id: #2563eb;
  --legend-title: #374151;
  --legend-name: #4b5563;
  --legend-regions: #6b7280;
  --swatch-empty: #d1d5db;
  --swatch-border: #9ca3af;
  --swatch-valid-border: #374151;
  --toast-shadow: rgba(15, 23, 42, 0.12);
  --model-mc-bg: rgba(30, 130, 90, 0.10);
  --model-mc-accent: #1a6e4a;
  --model-depth-bg: rgba(160, 110, 30, 0.10);
  --model-depth-accent: #9a6820;
  --model-datum-bg: rgba(90, 60, 185, 0.10);
  --model-datum-accent: #5a40b8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Pretendard", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.app-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.app-header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
}

.app-header .sub {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--header-sub);
  letter-spacing: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  color: var(--btn-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  min-height: 32px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
  background: var(--btn-hover-bg);
  border-color: var(--accent);
  color: var(--text);
}

.theme-toggle-icon {
  font-size: 14px;
  line-height: 1;
}

[data-theme="dark"] .theme-icon-light {
  display: inline;
}

[data-theme="dark"] .theme-icon-dark {
  display: none;
}

[data-theme="light"] .theme-icon-light {
  display: none;
}

[data-theme="light"] .theme-icon-dark {
  display: inline;
}

.badge {
  align-self: flex-start;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 4px;
  padding: 2px 8px;
  color: var(--accent-text);
  font-size: 11px;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 14px 14px 0;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--surface2);
  color: var(--muted);
  border: none;
  border-radius: 4px 4px 0 0;
  padding: 10px 22px;
  font-weight: 500;
  cursor: pointer;
  min-height: 44px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.tab-btn:hover {
  background: var(--btn-hover-bg);
  color: var(--text);
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
}

.panel {
  display: none;
  margin: 0 14px 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  flex: 1;
  min-height: 0;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.panel.active {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

main.shell {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: calc(100vh - 120px);
}

.group {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 14px 14px;
  position: relative;
  margin-top: 8px;
  transition: border-color 0.2s ease;
}

.group > .group-title {
  position: absolute;
  top: -10px;
  left: 14px;
  background: var(--bg);
  padding: 4px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--group-title);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0;
  flex-wrap: wrap;
}

.file-row label {
  min-width: 140px;
  text-align: right;
  color: var(--muted);
  font-size: 12px;
}

.file-row input[type="text"] {
  flex: 1;
  min-width: 200px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 9px 10px;
  color: var(--text);
}

.file-row input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}

.file-row input[type="file"] {
  max-width: 280px;
  font-size: 12px;
  color: var(--muted);
}

.hint {
  font-size: 11px;
  color: var(--dim);
  line-height: 1.45;
  margin: 0;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  background: var(--surface2);
  border: 1px solid var(--btn-border);
  border-radius: 5px;
  padding: 8px 16px;
  color: var(--btn-text);
  font-weight: 500;
  cursor: pointer;
  min-height: 36px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: var(--btn-hover-bg);
  border-color: var(--accent);
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  border: none;
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-success {
  background: var(--success);
  border: none;
  color: #fff;
  font-weight: 600;
}

.btn-success:hover {
  background: var(--success-hover);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  flex: 1;
  min-height: 400px;
}

.table-wrap.map-wrap {
  min-height: 220px;
}

.map-analysis-toolbar {
  margin-bottom: 10px;
}

.map-analysis-wrap {
  min-height: 120px;
}

.map-water-toolbar {
  margin-bottom: 10px;
}

.map-water-wrap {
  min-height: 100px;
}

#map-water-table input[type="text"] {
  width: 100%;
  box-sizing: border-box;
}

#map-analysis-table input[type="number"],
#map-analysis-table input[type="text"] {
  width: 100%;
  box-sizing: border-box;
}

.map-preview-wrap {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--canvas-bg);
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
}

.map-workspace {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 1.35fr);
  gap: 14px;
  align-items: start;
  width: 100%;
}

.map-workspace .group {
  margin: 0;
}

.map-mat-workspace-table {
  max-height: min(480px, 62vh);
  overflow: auto;
}

.map-preview-workspace-group .map-preview-wrap {
  max-height: min(520px, 65vh);
}

.map-preview-workspace-group .map-dxf-legend {
  max-height: min(520px, 65vh);
}

.map-canvas-view-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.map-canvas-view-hint {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  flex: 1 1 200px;
}

.map-canvas-view-btns {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.map-canvas-zoom-btn {
  min-width: 34px;
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
}

.map-canvas-zoom-pct {
  font-size: 12px;
  font-weight: 600;
  color: var(--map-label);
  min-width: 3.2em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.map-secondary-workspace {
  display: grid;
  grid-template-columns: minmax(280px, 1.15fr) minmax(280px, 1fr);
  gap: 14px;
  align-items: start;
  width: 100%;
}

.map-secondary-workspace .group {
  margin: 0;
}

.map-region-workspace-table,
.map-water-workspace-table {
  max-height: min(420px, 52vh);
  overflow: auto;
}

@media (max-width: 960px) {
  .map-secondary-workspace {
    grid-template-columns: 1fr;
  }

  .map-region-workspace-table,
  .map-water-workspace-table {
    max-height: min(320px, 45vh);
  }

  .map-workspace {
    grid-template-columns: 1fr;
  }

  .map-mat-workspace-table {
    max-height: min(320px, 45vh);
  }
}

.map-preview-main {
  flex: 1 1 260px;
  min-width: 0;
  background: var(--canvas-bg);
}

.map-preview-main canvas {
  display: block;
}

#map-dxf-canvas.map-canvas-paint-mode {
  cursor: crosshair;
}

#map-dxf-canvas.map-canvas-drop-hover {
  outline: 2px dashed color-mix(in srgb, var(--accent) 85%, transparent);
  outline-offset: -2px;
}

tr.map-mat-ref-tr {
  cursor: grab;
  user-select: none;
}

tr.map-mat-ref-tr:active {
  cursor: grabbing;
}

tr.map-mat-ref-tr.map-mat-paint-on {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

tr.map-mat-ref-tr.map-mat-paint-on td {
  background: var(--accent-soft);
}

.map-dxf-legend {
  flex: 0 0 200px;
  box-sizing: border-box;
  max-width: 100%;
  padding: 12px 14px;
  background: var(--surface2);
  border-left: 1px solid var(--border);
  overflow-x: hidden;
  overflow-y: auto;
  max-height: min(560px, 70vh);
  font-size: 12px;
  color: var(--muted);
}

.map-legend-title {
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--legend-title);
  margin-bottom: 10px;
}

.map-legend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.map-legend-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.map-legend-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.map-legend-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--legend-name);
  line-height: 1.35;
  word-break: break-word;
}

.map-legend-name-dim {
  color: var(--muted);
  font-style: italic;
  font-weight: 400;
}

.map-legend-regions {
  font-size: 10px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--legend-regions);
  word-break: break-word;
}

.map-legend-regions-muted {
  color: var(--muted);
}

.map-legend-row-muted {
  align-items: flex-start;
}

.map-legend-row-muted .map-legend-label {
  color: var(--muted);
}

.map-legend-swatch {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 2px solid color-mix(in srgb, var(--dim) 90%, transparent);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.map-legend-label {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.map-legend-empty {
  margin: 0;
  line-height: 1.45;
  color: var(--muted);
}

.map-cell-muted {
  text-align: center;
  color: var(--muted);
}

.map-cell-label {
  text-align: center;
  color: var(--map-label);
  font-weight: 600;
}

.map-cell-text {
  text-align: center;
  color: var(--map-text);
}

.map-cell-id {
  text-align: center;
  color: var(--map-id);
  font-weight: 600;
}

.map-cell-model {
  text-align: center;
  color: var(--dim);
  font-size: 12px;
}

.map-region-mid-inp {
  text-align: center;
  color: var(--map-id) !important;
  width: 100%;
  box-sizing: border-box;
}

.map-cell-error {
  text-align: center;
  color: #e11d48;
  padding: 10px;
}

@media (max-width: 720px) {
  .map-dxf-legend {
    flex: 1 1 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 200px;
  }
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

table.data-table thead th {
  background: var(--surface2);
  color: var(--muted);
  padding: 8px 6px;
  font-size: 12px;
  font-weight: 600;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  text-align: center;
  line-height: 1.25;
  min-height: 56px;
}

table.data-table tbody td {
  padding: 4px 6px;
  border-right: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  vertical-align: middle;
  text-align: center;
}

table.data-table tbody tr {
  background: var(--surface);
}

table.data-table tbody tr[data-selected] {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: -2px;
}

table.data-table input[type="text"],
table.data-table input[type="number"],
table.data-table select {
  width: 100%;
  min-width: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 7px 8px;
  color: var(--text);
  font-size: 12px;
  text-align: center;
}

/* 물성치 모델별 행 강조 — MohrCoulomb(teal) · SFnDepth(amber) · SFnDatum(indigo) */

/* 행 첫 번째 셀(ID)에 가는 컬러 바로 모델 유형 표시 */
table.data-table tbody tr.model-mc td[data-col="0"] {
  box-shadow: inset 3px 0 0 var(--model-mc-accent);
}
table.data-table tbody tr.model-depth td[data-col="0"] {
  box-shadow: inset 3px 0 0 var(--model-depth-accent);
}
table.data-table tbody tr.model-datum td[data-col="0"] {
  box-shadow: inset 3px 0 0 var(--model-datum-accent);
}

/* 모델 선택 셀(col 2): 배경과 셀렉트 테두리에만 컬러 적용 */
table.data-table tbody tr.model-mc td[data-col="2"] {
  background: var(--model-mc-bg) !important;
}
table.data-table tbody tr.model-depth td[data-col="2"] {
  background: var(--model-depth-bg) !important;
}
table.data-table tbody tr.model-datum td[data-col="2"] {
  background: var(--model-datum-bg) !important;
}

table.data-table tbody tr.model-mc td[data-col="2"] select {
  border-color: var(--model-mc-accent);
  color: var(--model-mc-accent);
  font-weight: 600;
}
table.data-table tbody tr.model-depth td[data-col="2"] select {
  border-color: var(--model-depth-accent);
  color: var(--model-depth-accent);
  font-weight: 600;
}
table.data-table tbody tr.model-datum td[data-col="2"] select {
  border-color: var(--model-datum-accent);
  color: var(--model-datum-accent);
  font-weight: 600;
}

/* 비활성(readonly) 셀: 모델 색상 없이 중립 회색만 적용 */
table.data-table td.readonly-cell {
  background: var(--readonly-bg) !important;
}
table.data-table td.readonly-cell input {
  background: var(--readonly-bg) !important;
  color: var(--readonly-fg) !important;
  pointer-events: none;
}

.color-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.color-swatch {
  width: 34px;
  height: 28px;
  border-radius: 5px;
  border: 1px solid var(--swatch-border);
  cursor: pointer;
  flex-shrink: 0;
  background: var(--swatch-empty);
}

.color-swatch.valid {
  border-color: var(--swatch-valid-border);
}

.color-picker-hidden {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.bot-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.progress {
  flex: 1;
  min-width: 160px;
  height: 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #4fc3f7);
  transition: width 0.2s;
}

.log-box {
  background: var(--log-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--log-fg);
  font-size: 12px;
  padding: 10px;
  min-height: 112px;
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
  font-family: ui-monospace, Consolas, monospace;
  line-height: 1.4;
}

.footer-note {
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  font-size: 10px;
  color: var(--dim);
  line-height: 1.4;
}

.analysis-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.analysis-row label {
  color: var(--muted);
  font-size: 12px;
}

.analysis-row input {
  width: 80px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px;
  color: var(--text);
}

.hidden-file {
  display: none;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 8px 24px var(--toast-shadow);
  z-index: 1000;
  max-width: 360px;
}

.toast.ok {
  border-color: var(--success);
}

.toast.err {
  border-color: #c62828;
}

/* ════════════════════════════════════════════════════════════
   GSZ 파라미터 편집 탭 (gszedit-*)
   ════════════════════════════════════════════════════════════ */

/* 해석 선택 탭 버튼 스크롤 영역 */
.gszedit-analysis-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.gszedit-atab-btn {
  padding: 5px 12px;
  font-size: 12px;
  border: 1px solid var(--btn-border);
  border-radius: 5px;
  background: var(--surface2);
  color: var(--btn-text);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.gszedit-atab-btn:hover {
  background: var(--btn-hover-bg);
  border-color: var(--accent);
  color: var(--accent-text);
}

.gszedit-atab-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

/* 해석 편집 영역 */
.gszedit-analysis-editor {
  padding: 4px 0;
}

/* 파라미터 행 (레이블 + 인풋) */
.gszedit-param-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}

.gszedit-param-row label {
  width: 180px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--muted);
}

.gszedit-param-row input,
.gszedit-global-row input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 13px;
}

.gszedit-param-row input:focus,
.gszedit-global-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.gszedit-short-inp { width: 110px; }
.gszedit-long-inp  { flex: 1; min-width: 200px; max-width: 520px; }

/* 전역 설정 행 */
.gszedit-global-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}

.gszedit-global-row label {
  font-size: 12px;
  color: var(--muted);
  width: 200px;
  flex-shrink: 0;
}

/* 서브섹션 */
.gszedit-subsection {
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.gszedit-subsection-title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--group-title);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.gszedit-table-wrap {
  max-height: 220px;
}

.gszedit-empty-cell {
  color: var(--muted);
  text-align: center;
  padding: 8px;
  font-size: 12px;
}

/* SlipEntryExit 그리드 */
.gszedit-slip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.gszedit-slip-section {
  flex: 1;
  min-width: 210px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
}

.gszedit-slip-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-text);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.gszedit-slip-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.gszedit-slip-label {
  width: 130px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--muted);
}

.gszedit-coord-inp {
  width: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
  color: var(--text);
  font-size: 13px;
  font-family: monospace;
}

.gszedit-coord-inp:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── 물성치 테이블 ────────────────────────────────────────── */
.gszedit-mat-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.gszedit-mat-table th,
.gszedit-mat-table td {
  padding: 4px 6px;
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
}
.gszedit-mat-table th {
  background: var(--surface-alt);
  font-size: 0.75rem;
  line-height: 1.3;
}
.gszedit-mat-name-inp {
  width: 130px;
  font-size: 0.82rem;
  padding: 2px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
}
.gszedit-mat-name-inp:focus {
  outline: none;
  border-color: var(--accent);
}
.gszedit-mat-prop-inp {
  width: 72px;
  font-size: 0.82rem;
  padding: 2px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  font-family: monospace;
  text-align: right;
}
.gszedit-mat-prop-inp:focus {
  outline: none;
  border-color: var(--accent);
}
.gszedit-mat-na {
  color: var(--text-muted, #999);
  font-size: 0.8rem;
}

/* ── 리즌 매핑 캔버스 ─────────────────────────────────────── */
.gszedit-canvas-wrap {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface-alt);
}
.gszedit-region-canvas {
  display: block;
  width: 100%;
  height: 260px;
}
.gszedit-canvas-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 6px 10px;
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
}
.gszedit-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.gszedit-legend-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,.2);
  flex-shrink: 0;
}

/* ── 리즌 매핑 테이블 ─────────────────────────────────────── */
.gszedit-region-cell {
  cursor: pointer;
  user-select: none;
  padding-left: 10px !important;
}
.gszedit-region-cell:hover {
  background: var(--surface-alt);
}
.gszedit-row-selected > .gszedit-region-cell {
  background: rgba(33, 150, 243, 0.12);
}
.gszedit-mat-sel {
  width: 100%;
  padding: 3px 5px;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
}
.gszedit-mat-sel:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── GSZ 편집 탭: 새 레이아웃 ─────────────────────────────── */

/* 3컬럼 그리드: 상재압력 · 집중하중 · 수위선 */
.gszedit-row3-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
  align-items: start;
}
.gszedit-row3-grid > .gszedit-subsection {
  margin-top: 0;
  display: flex;
  flex-direction: column;
}
/* 3컬럼 내부 테이블 높이 제한 */
.gszedit-row3-grid .gszedit-table-wrap {
  max-height: 200px;
}

/* 2컬럼 그리드: 리즌 매핑 (좌) + 물성치 편집 (우) */
/* 2컬럼 그리드: 두 컬럼 동일 높이 (max-height 초과 시 각 테이블에서 스크롤) */
.gszedit-mat-region-layout {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(360px, 1.8fr);
  gap: 14px;
  margin-top: 18px;
  align-items: stretch;
}
.gszedit-mat-region-col {
  display: flex;
  flex-direction: column;
  max-height: 700px; /* 두 컬럼 동일 최대 높이 */
}
.gszedit-mat-region-col > .gszedit-subsection {
  margin-top: 0;
  flex: 1;
  min-height: 0; /* flex overflow 활성화 */
  display: flex;
  flex-direction: column;
}

/* 리즌 매핑 테이블: .gszedit-table-wrap의 max-height 무효화, 남은 공간 채우며 스크롤 */
.gszedit-region-table-wrap {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  max-height: none;
}

/* 물성치 편집 테이블: 남은 공간 채우며 스크롤 */
.gszedit-mat-region-col .gszedit-mat-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* 반응형 */
@media (max-width: 1100px) {
  .gszedit-row3-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 1000px) {
  .gszedit-mat-region-layout {
    grid-template-columns: 1fr;
  }
  .gszedit-mat-region-col {
    max-height: 600px; /* 1컬럼 시 높이 축소 */
  }
}
@media (max-width: 720px) {
  .gszedit-row3-grid {
    grid-template-columns: 1fr;
  }
}

/* ════════════════════════════════════════════════
   결과 뷰어 탭
════════════════════════════════════════════════ */

/* 캔버스 + 사이드바 2열 레이아웃 */
.rv-workspace {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 16px;
  align-items: start;
  margin-bottom: 4px;
}

.rv-canvas-wrap {
  background: var(--canvas-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  min-height: 300px;
  position: relative;
}

.rv-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: transparent;
}

/* 사이드바 */
.rv-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.rv-info-panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 2px 4px;
}

.rv-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.88em;
}

.rv-info-label {
  color: var(--muted);
  white-space: nowrap;
}

.rv-fos-value {
  font-size: 1.7em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* FOS 색상 */
.fos-safe   { color: #2e7d32; }
.fos-warn   { color: #e65100; }
.fos-danger { color: #c62828; }
[data-theme="dark"] .fos-safe   { color: #66bb6a; }
[data-theme="dark"] .fos-warn   { color: #ffa726; }
[data-theme="dark"] .fos-danger { color: #ef5350; }

/* 판정 */
.fos-ok { color: #1a7a4a; font-weight: 700; }
.fos-ng { color: #c62828; font-weight: 700; }
[data-theme="dark"] .fos-ok { color: #66bb6a; }
[data-theme="dark"] .fos-ng { color: #ef5350; }

/* 해석 선택 드롭다운 */
.rv-select {
  flex: 1;
  max-width: 440px;
  padding: 5px 8px;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.9em;
}

/* 케이스 선택 그리드 */
.rv-case-select-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.rv-case-select-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rv-case-label {
  width: 80px;
  flex-shrink: 0;
  font-size: 0.88em;
  color: var(--muted);
  white-space: nowrap;
}

.rv-case-sel {
  flex: 1;
  max-width: 500px;
}

/* Excel 생성 영역 */
.rv-excel-group {
  margin-top: 8px;
}

.rv-excel-inputs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rv-excel-inp {
  flex: 1;
  max-width: 320px;
}

/* 편심하중 UI */
.rv-eccentric-group {
  margin-top: 8px;
}

.rv-ecc-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 10px 0 4px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}

.rv-ecc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 6px 12px;
  margin-bottom: 4px;
}

.rv-ecc-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rv-ecc-field label {
  font-size: 11px;
  color: var(--muted);
}

.rv-ecc-inp {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg);
  font-size: 12px;
  padding: 4px 6px;
  width: 100%;
  box-sizing: border-box;
}

.rv-ecc-inp:focus {
  outline: none;
  border-color: var(--accent);
}

@media (max-width: 900px) {
  .rv-workspace {
    grid-template-columns: 1fr;
  }
  .rv-canvas { height: auto; }
}

/* ─── 편심 지지력 검토 탭 ──────────────────────────────────── */
.ecc-checker-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 1280px;
}

/* 카드 공통 */
.ecc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
}
.ecc-card-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ecc-auto-badge {
  font-size: 10px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent-text);
  border-radius: 3px;
  padding: 1px 6px;
  letter-spacing: 0.03em;
}

/* 상단 2열 레이아웃 */
.ecc-top-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 14px;
  align-items: start;
}
@media (max-width: 920px) {
  .ecc-top-layout { grid-template-columns: 1fr; }
}

/* 왼쪽: 입력 카드들 */
.ecc-inputs-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ecc-input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
}

.ecc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ecc-field label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.3;
}

.ecc-inp {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 13px;
  padding: 5px 8px;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.15s;
}
.ecc-inp:focus {
  outline: none;
  border-color: var(--accent);
}

/* 수중단위중량 자동계산 행 */
.ecc-derived-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding: 6px 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
}
.ecc-derived-label {
  font-size: 11px;
  color: var(--muted);
}
.ecc-derived-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-text);
  min-width: 48px;
  text-align: right;
}

/* 하중 카드 구분 강조 */
.ecc-load-card { border-left-width: 3px; }
.ecc-load-normal  { border-left-color: #3da87c; }
.ecc-load-seismic { border-left-color: #c8963c; }

/* 오른쪽: 모식도 */
.ecc-diagram-col { display: flex; flex-direction: column; }
.ecc-diagram-card { height: 100%; }
.ecc-diagram-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  padding: 4px 0;
}
.ecc-diagram-img {
  max-width: 100%;
  max-height: 440px;
  width: 100%;
  object-fit: contain;
  border-radius: 4px;
  /* 다크모드: 검은 선 → 흰 선 (배경 투명 PNG) */
  filter: none;
}
[data-theme="dark"] .ecc-diagram-img {
  filter: invert(1) brightness(0.88) contrast(1.05);
}

/* 하단: 계산 결과 */
.ecc-result-card { }
.ecc-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.ecc-result-header .ecc-card-title { margin-bottom: 0; }

/* JSON 버튼 그룹 */
.ecc-btn-group {
  display: inline-flex;
  gap: 8px;
}

/* JSON 가져오기 버튼 */
.ecc-import-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #5a6472;
  border: none;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  transition: background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.ecc-import-btn:hover {
  background: #404a57;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}
.ecc-import-btn svg { flex-shrink: 0; }

/* JSON 내보내기 버튼 */
.ecc-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  transition: background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.ecc-export-btn:hover {
  background: #2560c0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}
.ecc-export-btn svg { flex-shrink: 0; }

/* 결과 테이블 */
.ecc-result-wrap { overflow-x: auto; }
.ecc-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.ecc-result-table th,
.ecc-result-table td {
  padding: 6px 16px;
  border: 1px solid var(--border);
  text-align: center;
  white-space: nowrap;
}
.ecc-th-label {
  background: var(--surface2);
  text-align: left;
  width: 55%;
  font-weight: 600;
  color: var(--text-strong);
}
.ecc-th-normal {
  background: rgba(61, 168, 124, 0.15);
  color: #3da87c;
  font-weight: 700;
  min-width: 110px;
}
.ecc-th-seismic {
  background: rgba(200, 150, 58, 0.15);
  color: #c8963c;
  font-weight: 700;
  min-width: 110px;
}
.ecc-row-label {
  text-align: left;
  color: var(--muted);
  font-size: 15px;
  background: var(--surface2);
}
.ecc-row-group {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim);
  background: var(--surface2);
  padding-top: 10px;
  padding-bottom: 10px;
}
.ecc-group-start td {
  border-top: 2px solid var(--border);
}
.ecc-result-table td:not(.ecc-row-label):not(.ecc-row-group) {
  color: var(--accent-text);
  font-weight: 600;
}

/* btn-sm (결과뷰어 JSON 가져오기 버튼) */
.btn-sm {
  background: var(--surface2);
  border: 1px solid var(--btn-border);
  border-radius: 5px;
  color: var(--btn-text);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 10px;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-sm:hover { background: var(--btn-hover-bg); }