:root {
  --lab-bg: #eef3f8;
  --lab-panel: #ffffff;
  --lab-line: #cfd9e6;
  --lab-text: #101828;
  --lab-muted: #667085;
  --lab-blue: #102a63;
  --lab-green: #168a4b;
  --lab-radius: 8px;
  --lab-shadow: 0 16px 42px rgba(16, 24, 40, 0.09);
  --lab-font-family: "DM Sans", "Segoe UI Variable", "Segoe UI", Aptos, "Noto Sans", "Liberation Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--lab-bg);
  color: var(--lab-text);
  font-family: var(--lab-font-family);
  font-size: 12px;
  line-height: 1.35;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.lab-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 68px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--lab-line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.lab-header span,
.preview-head span {
  display: block;
  color: var(--lab-muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lab-header h1,
.lab-header p,
.preview-head h2 {
  margin: 0;
}

.lab-header h1 {
  margin-top: 3px;
  font-size: 20px;
  line-height: 1.1;
}

.lab-header p {
  margin-top: 4px;
  color: var(--lab-muted);
  font-weight: 650;
}

.lab-back,
.control-actions button,
.preset-grid button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid var(--lab-line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--lab-text);
  padding: 0 11px;
  font-weight: 800;
  text-decoration: none;
}

.lab-back:hover,
.control-actions button:hover,
.preset-grid button:hover {
  border-color: var(--lab-blue);
  color: var(--lab-blue);
}

.lab-shell {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
}

.lab-panel {
  min-width: 0;
  border: 1px solid var(--lab-line);
  border-radius: var(--lab-radius);
  background: var(--lab-panel);
  box-shadow: var(--lab-shadow);
}

.lab-controls {
  position: sticky;
  top: 82px;
  max-height: calc(100vh - 96px);
  overflow: auto;
  padding: 12px;
}

.control-section {
  padding: 10px 0 12px;
  border-bottom: 1px solid #e2e8f0;
}

.control-section:first-child {
  padding-top: 0;
}

.control-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.control-section h2 {
  margin: 0 0 9px;
  color: #344054;
  font-size: 12px;
  letter-spacing: 0;
}

.control-row {
  display: grid;
  grid-template-columns: minmax(118px, 1fr) 128px 64px;
  gap: 8px;
  align-items: center;
  min-height: 34px;
}

.control-row + .control-row {
  margin-top: 6px;
}

.control-row span {
  min-width: 0;
  color: #344054;
  font-size: 11px;
  font-weight: 800;
}

.control-row input[type="color"] {
  width: 100%;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--lab-line);
  border-radius: 5px;
  background: #ffffff;
}

.control-row input[type="range"] {
  width: 100%;
}

.control-row output {
  color: var(--lab-muted);
  font-size: 10px;
  font-weight: 900;
  text-align: right;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.css-output {
  width: 100%;
  min-height: 188px;
  resize: vertical;
  border: 1px solid var(--lab-line);
  border-radius: 6px;
  background: #0f172a;
  color: #dbeafe;
  padding: 10px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 11px;
  line-height: 1.45;
}

.control-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.lab-preview {
  padding: 12px;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  margin-bottom: 10px;
}

.preview-head h2 {
  margin-top: 3px;
  font-size: 16px;
}

.preview-head strong {
  color: var(--lab-green);
  font-size: 11px;
}

.style-lab-preview {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --line: #dbe3ee;
  --line-strong: #c8d3e2;
  --text: #101828;
  --muted: #667085;
  --navy: #102a63;
  --green: #168a4b;
  --danger: #c3352b;
  --bom-error-bg: #fff1f0;
  --bom-error-line: #fecdca;
  --bom-error-text: #b42318;
  --bom-ok-bg: #ecfdf3;
  --bom-ok-line: #abefc6;
  --bom-ok-text: #067647;
  --bom-legacy-bg: #eff8ff;
  --bom-legacy-line: #84caff;
  --bom-legacy-text: #175cd3;
  --bom-warning-bg: #fffbeb;
  --bom-warning-line: #fedf89;
  --bom-warning-text: #92400e;
  --tree-project-bg: #ffffff;
  --tree-stage-bg: #f4f7fb;
  --tree-level-2-bg: #eef4fb;
  --tree-level-3-bg: #e7eff8;
  --tree-level-4-bg: #dfe9f5;
  --tree-sold-bg: #e6f6ec;
  --tree-hover-bg: #dbe8f7;
  --tree-project-separator: #b7c7da;
  --tree-project-separator-width: 2px;
  --radius: 6px;
  --input-radius: 6px;
  --button-radius: 6px;
  --font-size-base: 11px;
  --label-size: 9px;
  --control-h: 28px;
  --panel-gap: 6px;
  --panel-pad: 8px;
  --table-cell-y: 5px;
  --table-cell-x: 7px;
  --table-head-size: 9px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: var(--font-size-base);
}

.mock-app {
  display: grid;
  grid-template-columns: 170px minmax(820px, 1fr);
  min-height: 640px;
}

.mock-sidebar {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 12px 9px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.mock-sidebar strong {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 12px;
}

.mock-sidebar button,
.mock-toolbar button,
.mock-form button,
.mobile-card button,
.cost-card {
  min-height: var(--control-h);
  border: 1px solid var(--line-strong);
  border-radius: var(--button-radius);
  background: var(--surface);
  color: var(--text);
  padding: 0 9px;
  font-weight: 800;
}

.mock-sidebar button {
  text-align: left;
}

.mock-sidebar button.active,
.mock-toolbar .primary,
.mock-form .primary,
.mobile-card .primary {
  border-color: var(--navy);
  background: var(--navy);
  color: #ffffff;
}

.mock-workspace {
  min-width: 0;
  padding: var(--panel-pad);
}

.mock-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 170px auto auto;
  gap: var(--panel-gap);
  align-items: end;
  margin-bottom: var(--panel-gap);
}

.mock-toolbar label,
.mock-form label {
  display: grid;
  gap: 3px;
}

.mock-toolbar span,
.mock-form span {
  color: var(--muted);
  font-size: var(--label-size);
  font-weight: 900;
  text-transform: uppercase;
}

.mock-toolbar input,
.mock-toolbar select,
.mock-form input,
.mock-form select {
  width: 100%;
  min-height: var(--control-h);
  border: 1px solid var(--line-strong);
  border-radius: var(--input-radius);
  background: var(--surface);
  color: var(--text);
  padding: 0 9px;
}

.mock-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--panel-gap);
  margin-bottom: var(--panel-gap);
}

.mock-kpis > div,
.mock-form,
.mock-cost,
.mobile-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.mock-kpis > div {
  padding: var(--panel-pad);
}

.mock-kpis span,
.mock-kpis small {
  display: block;
  color: var(--muted);
  font-size: var(--label-size);
  font-weight: 900;
  text-transform: uppercase;
}

.mock-kpis strong {
  display: block;
  margin: 2px 0;
  color: var(--text);
  font-size: calc(var(--font-size-base) + 8px);
  line-height: 1.1;
}

.mock-kpis .positive strong,
.mock-kpis .positive small {
  color: var(--green);
}

.mock-table-wrap {
  overflow: auto;
  margin-bottom: var(--panel-gap);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.mock-table {
  width: 100%;
  border-collapse: collapse;
}

.mock-table th,
.mock-table td {
  padding: var(--table-cell-y) var(--table-cell-x);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.mock-table th {
  background: var(--surface-muted);
  color: #344054;
  font-size: var(--table-head-size);
  font-weight: 900;
  text-transform: uppercase;
}

.mock-table tr:last-child td {
  border-bottom: 0;
}

.mock-table .mock-tree-row.project-row {
  background: var(--tree-project-bg);
}

.mock-table .mock-tree-row.project-row td {
  border-top: var(--tree-project-separator-width) solid var(--tree-project-separator);
}

.mock-table .mock-tree-row.stage-row {
  background: var(--tree-stage-bg);
}

.mock-table .mock-tree-row.level-2-row {
  background: var(--tree-level-2-bg);
}

.mock-table .mock-tree-row.level-3-row {
  background: var(--tree-level-3-bg);
}

.mock-table .mock-tree-row.level-4-row {
  background: var(--tree-level-4-bg);
}

.mock-table .mock-tree-row.sold-row {
  background: var(--tree-sold-bg);
}

.mock-table .mock-tree-row:hover {
  background: var(--tree-hover-bg);
}

.mock-table strong,
.mock-table small {
  display: block;
}

.mock-table small {
  color: var(--muted);
  font-size: calc(var(--font-size-base) - 2px);
}

.mock-bom-panel {
  overflow: hidden;
  margin-bottom: var(--panel-gap);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.mock-bom-panel header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 var(--panel-pad);
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.mock-bom-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: flex-end;
}

.mock-bom-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 8px;
  font-size: calc(var(--font-size-base) - 2px);
  font-weight: 900;
}

.mock-bom-table tr.is-error td,
.mock-bom-stats .is-error {
  border-color: var(--bom-error-line);
  background: var(--bom-error-bg);
  color: var(--bom-error-text);
}

.mock-bom-table tr.is-legacy td,
.mock-bom-stats .is-legacy {
  border-color: var(--bom-legacy-line);
  background: var(--bom-legacy-bg);
  color: var(--bom-legacy-text);
}

.mock-bom-table tr.is-ok td,
.mock-bom-stats .is-ok {
  border-color: var(--bom-ok-line);
  background: var(--bom-ok-bg);
  color: var(--bom-ok-text);
}

.mock-bom-table tr.is-warning td,
.mock-bom-stats .is-warning {
  border-color: var(--bom-warning-line);
  background: var(--bom-warning-bg);
  color: var(--bom-warning-text);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  border-radius: 999px;
  background: #e8f7ee;
  color: var(--green);
  padding: 0 8px;
  font-weight: 900;
}

.pill.muted {
  background: var(--surface-muted);
  color: var(--muted);
}

.mock-bottom {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--panel-gap);
}

.mock-form,
.mock-cost {
  overflow: hidden;
}

.mock-form header,
.mock-cost header,
.mobile-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 var(--panel-pad);
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.mock-form header span,
.mock-cost header span {
  color: var(--muted);
  font-size: var(--label-size);
  font-weight: 900;
}

.mock-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--panel-gap);
  padding: var(--panel-pad);
}

.mock-form footer,
.mobile-card footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--panel-gap);
  padding: var(--panel-pad);
  border-top: 1px solid var(--line);
}

.mock-cost-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--panel-gap);
  padding: var(--panel-pad);
}

.cost-card {
  display: grid;
  justify-items: start;
  align-content: center;
  min-height: 54px;
  text-align: left;
}

.cost-card span,
.cost-card small {
  display: block;
}

.cost-card small {
  color: var(--muted);
  font-size: calc(var(--font-size-base) - 2px);
}

.cost-card.active {
  border-color: var(--navy);
  background: #eef3fb;
  color: var(--navy);
}

.mobile-title {
  margin: 18px 0 10px;
}

.mobile-frame {
  width: min(430px, 100%);
  border: 1px solid #b9c5d6;
  border-radius: 18px;
  background: #1f2937;
  padding: 14px;
}

.mobile-preview {
  border-radius: 10px;
}

.mobile-card {
  display: grid;
  gap: var(--panel-gap);
  padding: var(--panel-pad);
}

.mobile-card .mock-kpis {
  grid-template-columns: 1fr 1fr;
  margin: 0;
}

.mobile-card .mock-cost-grid {
  grid-template-columns: 1fr;
  padding: 0;
}

.mobile-table td:last-child {
  text-align: right;
  font-weight: 900;
}

@media (max-width: 1100px) {
  .lab-shell {
    grid-template-columns: 1fr;
  }

  .lab-controls {
    position: static;
    max-height: none;
  }

  .mock-app {
    grid-template-columns: 1fr;
  }

  .mock-sidebar {
    display: flex;
    flex-wrap: wrap;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .mock-sidebar strong {
    flex-basis: 100%;
  }
}

@media (max-width: 760px) {
  .lab-header {
    align-items: stretch;
    flex-direction: column;
  }

  .lab-back {
    width: 100%;
  }

  .lab-shell {
    padding: 8px;
  }

  .control-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 7px 0;
  }

  .control-row output {
    text-align: left;
  }

  .preset-grid,
  .control-actions {
    grid-template-columns: 1fr;
  }

  .mock-toolbar,
  .mock-kpis,
  .mock-bottom,
  .mock-form-grid,
  .mock-cost-grid {
    grid-template-columns: 1fr;
  }

  .mock-table thead {
    display: none;
  }

  .mock-table tr {
    display: grid;
    border-bottom: 1px solid var(--line);
  }

  .mock-table tr:last-child {
    border-bottom: 0;
  }

  .mock-table td {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    white-space: normal;
  }

  .mock-form footer,
  .mobile-card footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}