:root {
  --accent: #7c5cff;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-main: 0 20px 50px rgba(0, 0, 0, 0.35);
  --ease: 160ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

html.theme-dark {
  --bg: #000000;
  --bg-soft: #090909;
  --surface: #0f121a;
  --surface-soft: #141a25;
  --line: #252c3b;
  --line-strong: #3a4458;
  --text: #eff3ff;
  --text-muted: #a2afca;
  --text-soft: #7f8ba4;
  --ok: #24d2a7;
  --brand-fg: #ffffff;
}

html.theme-light {
  --bg: #ffffff;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f6f8fd;
  --line: #d8deeb;
  --line-strong: #b8c3d8;
  --text: #111c32;
  --text-muted: #4f5f80;
  --text-soft: #7483a2;
  --ok: #0c896a;
  --brand-fg: #000000;
  --shadow-main: 0 16px 40px rgba(24, 38, 68, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Manrope, "Avenir Next", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.bg-shape {
  display: none;
}

.app-shell {
  max-width: 1680px;
  margin: 0 auto;
  padding: 12px;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow-main);
}

.topbar {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 360px);
  gap: 12px;
  padding: 16px;
  margin-bottom: 12px;
  align-items: center;
}

.brand-block {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--brand-fg);
  background: transparent;
}

.brand-prism {
  width: 66px;
  height: 66px;
  flex: 0 0 auto;
  display: block;
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-name {
  margin: 0;
  font-family: "Space Grotesk", Manrope, sans-serif;
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.26em;
  line-height: 1;
}

.brand-subtitle {
  font-size: clamp(0.95rem, 1.2vw, 1.15rem);
  color: currentColor;
  letter-spacing: 0.02em;
  line-height: 1;
}

.subtle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.project-name-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.project-save-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
}

.project-save-row select {
  min-width: 0;
}

#freshStartBtn {
  align-self: flex-start;
}

.project-stats {
  color: var(--ok);
  font-weight: 700;
  min-height: 1.2rem;
  opacity: 0;
  transition: opacity var(--ease);
}

.project-meta:hover .project-stats,
.project-meta:focus-within .project-stats {
  opacity: 1;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(340px, 430px) 1fr;
  gap: 12px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding-right: 3px;
}

.section-block {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-block h2 {
  margin: 0;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-soft);
}

.section-toggle {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 800;
  padding: 0 0 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-toggle::after {
  content: "+";
  color: var(--text-muted);
  font-size: 1rem;
}

.section-block:not(.collapsed) .section-toggle::after {
  content: "−";
}

.section-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-block.collapsed .section-body {
  display: none;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

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

input[type="text"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  color: var(--text);
  padding: 9px 10px;
  transition: border-color var(--ease), box-shadow var(--ease);
}

textarea {
  resize: vertical;
  min-height: 108px;
}

#csvTextInput {
  display: none;
}

#csvFileInput {
  padding: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.import-button {
  padding: 12px 16px;
  font-size: 1rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

input[type="range"] {
  accent-color: var(--accent);
}

#accentColor {
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
}

#accentColor::-webkit-color-swatch-wrapper {
  padding: 0;
  border-radius: 50%;
}

#accentColor::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--line-strong);
  background: var(--surface-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 13px;
  cursor: pointer;
  font-weight: 700;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.btn:hover {
  border-color: color-mix(in srgb, var(--accent) 64%, var(--line-strong));
  transform: translateY(-1px);
}

.btn.active {
  background: color-mix(in srgb, var(--accent) 20%, var(--surface-soft));
  border-color: color-mix(in srgb, var(--accent) 70%, var(--line-strong));
}

.btn-primary {
  background: color-mix(in srgb, var(--accent) 22%, var(--surface-soft));
  border-color: color-mix(in srgb, var(--accent) 72%, var(--line-strong));
}

.full {
  width: 100%;
}

.status {
  min-height: 1.2rem;
}

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

.section-block .status-success {
  opacity: 0;
  transition: opacity var(--ease);
}

.section-block:hover .status-success,
.section-block:focus-within .status-success {
  opacity: 1;
}

.inline-warning {
  color: #d97706;
}

.mapping-grid,
.control-grid {
  display: grid;
  gap: 8px;
}

.control-grid.two-col,
.axis-grid {
  grid-template-columns: 1fr 1fr;
}

.symbol-map-list {
  max-height: 260px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.symbol-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px;
  background: var(--surface-soft);
}

.symbol-preview {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
}

.symbol-source {
  font-size: 0.78rem;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.symbol-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.symbol-color-label {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--text-soft);
}

.symbol-color-label input[type="color"] {
  width: 34px;
  height: 26px;
  padding: 0;
  border-radius: 6px;
}

.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  cursor: pointer;
}

.cloud-advanced {
  padding: 10px 12px;
}

.cloud-advanced summary {
  cursor: pointer;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cloud-advanced summary::-webkit-details-marker {
  display: none;
}

.cloud-advanced summary::after {
  content: "+";
  font-size: 1rem;
}

.cloud-advanced[open] summary::after {
  content: "−";
}

.cloud-advanced > *:not(summary) {
  margin-top: 10px;
}

.tabs {
  padding: 10px;
  min-height: calc(100vh - 24px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tab-buttons {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.tab-btn {
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface-soft);
  color: var(--text-muted);
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 70%, var(--line-strong));
  background: color-mix(in srgb, var(--accent) 20%, var(--surface-soft));
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.plot-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 8px;
}

.plot-controls-toggle {
  margin-bottom: 8px;
}

.plot-toolbar.collapsed {
  display: none;
}

.plot-toolbar label {
  min-width: 130px;
}

.plot-view-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.plot-zoom-readout {
  min-width: 58px;
  text-align: center;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.plot-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-soft);
}

#plotSvg {
  width: 100%;
  min-height: 730px;
  display: block;
  touch-action: none;
}

.row-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: auto;
  max-height: calc(100vh - 220px);
  background: var(--bg-soft);
}

.row-mode-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.row-nav {
  display: flex;
  gap: 8px;
}

.row-focus-label {
  min-width: 180px;
}

.row-current {
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

#rowsTable {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

#rowsTable th,
#rowsTable td {
  border-bottom: 1px solid var(--line);
  padding: 9px;
  vertical-align: top;
}

#rowsTable tbody tr.current-row {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

#rowsTable tbody tr.expanded-row {
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

#rowsTable th {
  position: sticky;
  top: 0;
  background: var(--surface-soft);
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.col-center {
  width: 190px;
  text-align: center;
}

.col-side {
  width: calc((100% - 190px) / 2);
}

.row-points {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.point-chip {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.74rem;
  background: var(--surface-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chip-icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#rowsTable .point-chip {
  padding: 5px 11px;
  font-size: 0.8rem;
  gap: 7px;
}

#rowsTable .chip-icon {
  width: 30px;
  height: 30px;
}

.chip-icon.icon-hidden {
  display: none;
}

.chip-label {
  font-weight: 700;
}

.chip-distance {
  color: var(--text-soft);
  font-size: 0.7rem;
  font-weight: 700;
}

.chip-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.point-chip.checked {
  border-color: color-mix(in srgb, var(--ok) 70%, var(--line-strong));
  background: color-mix(in srgb, var(--ok) 20%, var(--surface-soft));
}

.center-direction {
  color: var(--text-soft);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.center-measure {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.04rem;
  font-weight: 700;
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 9px;
}

.export-actions label {
  flex-direction: row;
  align-items: center;
  gap: 5px;
}

.export-actions label select {
  min-width: 190px;
}

.export-designer {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 10px;
  margin-bottom: 10px;
}

.export-designer h3 {
  margin: 0 0 5px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
}

.export-preview {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  padding: 10px;
  max-height: calc(100vh - 230px);
  overflow: auto;
}

.export-sheet {
  background: #fff;
  border-radius: 10px;
  color: var(--exp-text, #111c33);
  border: 1px solid #dde4f1;
  padding: 12px;
  font-family: var(--exp-font, Manrope, sans-serif);
  font-size: var(--exp-font-size, 8.8pt);
}

.export-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  border-bottom: 2px solid #e8edf7;
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.export-title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.export-subtitle {
  margin: 3px 0 0;
  font-size: 0.86rem;
  color: #495774;
}

.export-grid {
  display: grid;
  gap: 8px;
}

.export-grid.export-grid-split .export-card-rows {
  border-top-width: 2px;
}

.export-card {
  border: 1px solid var(--exp-border, #dde4f1);
  border-radius: 9px;
  padding: 8px;
}

.export-card h3 {
  margin: 0 0 6px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--exp-header-text, #4a5771);
}

.export-brand {
  color: #707e98;
  font-size: 0.78rem;
}

.export-logo {
  display: block;
  margin-left: auto;
  margin-bottom: 6px;
  max-width: 180px;
  max-height: 68px;
  object-fit: contain;
}

.export-logo.draggable,
.export-card-plot.draggable,
.export-card-rows.draggable {
  cursor: grab;
  user-select: none;
}

.export-logo.dragging,
.export-card-plot.dragging,
.export-card-rows.dragging {
  cursor: grabbing;
}

.export-title[contenteditable="true"] {
  outline: 2px dashed color-mix(in srgb, var(--accent) 70%, #9fb2da);
  outline-offset: 3px;
  border-radius: 6px;
  padding: 2px 4px;
}

.export-preview [contenteditable="true"] {
  outline: 1px dashed color-mix(in srgb, var(--accent) 65%, #94a8d1);
  outline-offset: 2px;
  border-radius: 4px;
}

.export-section-content {
  transform-origin: top left;
  transform: translate(var(--section-offset-x, 0mm), var(--section-offset-y, 0mm)) scale(var(--section-scale, 1));
  width: calc(100% / var(--section-scale, 1));
}

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

.export-sheet th,
.export-sheet td {
  border-bottom: 1px solid var(--exp-border, #dde4f1);
  padding: 8px;
  vertical-align: top;
}

.export-sheet .chip-distance {
  color: color-mix(in srgb, var(--exp-text, #111c33) 78%, #8ea0c8);
}

.hyper-markout {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hyper-row {
  display: grid;
  grid-template-columns: 1fr 180px 1fr;
  min-height: clamp(36px, var(--exp-row-height, 12mm), 88px);
  background: var(--exp-cell-bg, #121723);
  border: 1px solid var(--exp-border, #2a3450);
  border-radius: 7px;
  overflow: hidden;
}

.hyper-side {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 7px 8px;
}

.hyper-center {
  background: var(--exp-center-bg, #242a38);
  color: var(--exp-text, #fff);
  display: grid;
  place-content: center;
  text-align: center;
  border-left: 1px solid var(--exp-border, #2f3c57);
  border-right: 1px solid var(--exp-border, #2f3c57);
}

.hyper-dir {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cbd6ef;
}

.hyper-dist {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.01rem;
}

.hyper-chip {
  border: 1px solid var(--exp-border, #3b4a6a);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.73rem;
  color: var(--exp-text, #eef3ff);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hyper-empty {
  opacity: 0.55;
}

@media (max-width: 1250px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: unset;
    overflow: visible;
  }

  .tabs {
    min-height: unset;
  }

  #plotSvg {
    min-height: 560px;
  }
}

@media (max-width: 980px) {
  .tab-buttons {
    position: sticky;
    top: 0;
    z-index: 4;
    background: var(--surface);
    padding-top: 4px;
  }

  .plot-toolbar label {
    min-width: 140px;
  }

  .row-table-wrap {
    max-height: unset;
  }
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .project-name-row {
    grid-template-columns: 1fr;
  }

  .project-save-row {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .control-grid.two-col,
  .axis-grid {
    grid-template-columns: 1fr;
  }

  .col-center {
    width: 140px;
  }

  #plotSvg {
    min-height: 58vh;
  }

  .tabs {
    padding: 8px;
  }

  .section-block {
    padding: 10px;
  }

  .btn,
  .tab-btn {
    min-height: 40px;
  }

  .plot-toolbar {
    gap: 10px;
  }

  .plot-toolbar label {
    min-width: 48%;
  }

  .export-actions {
    gap: 12px;
  }

  .export-actions label {
    width: 100%;
    justify-content: space-between;
  }

  .export-actions label select {
    min-width: 0;
    width: 58%;
  }

  .export-designer .control-grid.two-col {
    grid-template-columns: 1fr;
  }

  .symbol-controls {
    grid-template-columns: 1fr;
  }

  .chip-distance {
    font-size: 0.68rem;
  }
}