:root {
  --ink: #10181c;
  --muted: #617179;
  --paper: #eef3f2;
  --panel: #fbfdfc;
  --line: #cbd8d5;
  --teal: #0a6b66;
  --teal-soft: #d7ece8;
  --amber: #d8902f;
  --amber-soft: #f4e4c8;
  --red: #b54c43;
  --blue: #3d6f98;
  --violet: #7a5d91;
  --display: "Bahnschrift", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  --body: "Microsoft YaHei UI", "Segoe UI", sans-serif;
  --mono: "Cascadia Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(10, 107, 102, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(10, 107, 102, 0.05) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  font-family: var(--body);
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

i[data-lucide] {
  display: none;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(216, 144, 47, 0.6);
  outline-offset: 2px;
}

.shell {
  width: min(1760px, 100%);
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 2px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-symbol {
  width: 42px;
  height: 42px;
  border: 2px solid var(--ink);
  background:
    linear-gradient(90deg, transparent 46%, var(--teal) 46% 54%, transparent 54%),
    linear-gradient(transparent 46%, var(--amber) 46% 54%, transparent 54%);
  box-shadow: 6px 6px 0 var(--teal-soft);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
}

h3 {
  font-size: 0.95rem;
}

.eyebrow {
  margin-bottom: 5px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
}

.top-actions,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.server-pill,
.model-state {
  padding: 6px 9px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 999px;
  font-size: 0.72rem;
}

.icon-button,
.train-button,
.predict-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 5px;
  cursor: pointer;
}

.icon-button {
  background: rgba(255, 255, 255, 0.8);
}

.nav-link {
  text-decoration: none;
  color: var(--ink);
}

.icon-button svg,
.train-button svg,
.predict-button svg {
  width: 17px;
  height: 17px;
}

.overview {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(520px, 1.4fr);
  gap: 26px;
  align-items: end;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 5px solid var(--teal);
  background: rgba(251, 253, 252, 0.94);
}

.overview-copy p:last-child {
  margin-top: 9px;
  color: var(--muted);
}

.overview-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 10px;
}

.overview-metric {
  padding: 12px;
  background: white;
  border-left: 3px solid var(--teal);
}

.overview-metric strong {
  display: block;
  font-family: var(--display);
  font-size: 1.65rem;
}

.overview-metric span {
  color: var(--muted);
  font-size: 0.72rem;
}

.workbench {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 350px;
  gap: 16px;
  align-items: start;
  margin-top: 16px;
}

.control-panel,
.diagnostics,
.prediction-panel,
.experiment-band {
  border: 1px solid var(--line);
  background: rgba(251, 253, 252, 0.97);
}

.theory-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.65fr);
  gap: 16px;
  margin-top: 16px;
}

.theory-studio,
.calculator-panel {
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(251, 253, 252, 0.97);
}

.theory-form-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 200px;
  gap: 10px;
  align-items: end;
  margin-top: 12px;
}

.screen-result {
  margin-top: 18px;
  padding: 16px;
  background: white;
  border: 1px solid var(--line);
}

.screen-score {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.screen-score strong {
  font-family: var(--display);
  font-size: 3rem;
  line-height: 1;
}

.screen-score span {
  color: var(--muted);
  font-size: 0.78rem;
}

.score-breakdown,
.descriptor-table {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.descriptor-table {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.score-breakdown > div,
.descriptor-table > div {
  padding: 9px;
  background: var(--paper);
}

.score-breakdown span,
.descriptor-table span {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
}

.score-breakdown strong,
.descriptor-table strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.screen-summary {
  display: grid;
  gap: 4px;
  margin-top: 15px;
  font-size: 0.78rem;
}

.engine-status {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0;
}

.engine-pill {
  padding: 5px 8px;
  color: #7a4300;
  background: var(--amber-soft);
  border-radius: 999px;
  font-size: 0.68rem;
}

.engine-pill.available {
  color: #07544f;
  background: var(--teal-soft);
}

.calculator-panel textarea {
  width: 100%;
  padding: 9px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 0.75rem;
  background: white;
  border: 1px solid var(--line);
}

.template-result,
.output-parse {
  margin-top: 15px;
}

.template-result details {
  margin-top: 8px;
  border: 1px solid var(--line);
  background: white;
}

.template-result summary {
  padding: 8px 10px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.74rem;
}

.template-result pre {
  max-height: 220px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  color: #dce7e5;
  background: #132226;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.output-parse h3 {
  margin-bottom: 8px;
}

.output-parse input {
  margin-bottom: 8px;
  font-size: 0.72rem;
}

.output-parse .icon-button {
  width: 100%;
}

#parse-result {
  margin-top: 10px;
  font-size: 0.76rem;
}

.database-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin: 16px 0;
}

.database-toolbar input,
.database-toolbar select {
  min-height: 40px;
  padding: 0 10px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.database-toolbar input {
  flex: 1 1 260px;
}

.database-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.55fr);
  gap: 16px;
  align-items: start;
}

.database-table-panel,
.database-detail {
  min-width: 0;
  padding: 18px;
  background: rgba(251, 253, 252, 0.97);
  border: 1px solid var(--line);
}

.database-detail {
  position: sticky;
  top: 12px;
}

.database-table-scroll {
  max-height: 72vh;
  overflow-x: auto;
}

.database-table-scroll table {
  min-width: 820px;
}

#database-table tr {
  cursor: pointer;
}

#database-table tr:hover,
#database-table tr.selected {
  background: var(--teal-soft);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 15px 0;
}

.detail-grid > div {
  padding: 9px;
  background: var(--paper);
}

.detail-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
}

.detail-grid strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.database-detail h3 {
  margin-top: 15px;
}

.detail-text {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.78rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.gallery-item {
  margin: 0;
  padding: 12px;
  background: white;
  border: 1px solid var(--line);
}

.gallery-item.wide {
  grid-column: 1 / -1;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  background: #f2f5f4;
}

.gallery-item figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.76rem;
}

.control-panel,
.prediction-panel {
  position: sticky;
  top: 12px;
  padding: 18px;
}

.diagnostics {
  min-width: 0;
  padding: 18px;
}

.field {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.74rem;
}

.field select,
.field input {
  min-height: 38px;
  padding: 0 9px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.model-params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.toggle-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  color: var(--ink);
  font-size: 0.8rem;
}

.toggle-field input {
  accent-color: var(--teal);
}

.model-params .field {
  margin-top: 12px;
}

.train-button,
.predict-button {
  width: 100%;
  margin-top: 18px;
  color: white;
  background: var(--teal);
  border-color: var(--teal);
}

.predict-button:disabled {
  color: #8a979b;
  background: #e4e9e8;
  border-color: #d5dddb;
  cursor: not-allowed;
}

.warning {
  margin-top: 12px;
  color: #7a4300;
  font-size: 0.75rem;
}

.metric-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.metric-card {
  padding: 13px;
  background: white;
  border: 1px solid var(--line);
}

.metric-card strong {
  display: block;
  font-family: var(--display);
  font-size: 1.55rem;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.72rem;
}

.chart-pair {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
  margin-top: 14px;
}

.chart-panel,
.table-panel {
  padding: 14px;
  background: white;
  border: 1px solid var(--line);
}

.chart-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.chart-heading span {
  color: var(--muted);
  font-size: 0.7rem;
}

.chart-body {
  min-height: 260px;
}

.table-panel {
  margin-top: 14px;
}

.feature-chart {
  display: grid;
  gap: 8px;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(140px, 1.3fr) 1fr 50px;
  gap: 8px;
  align-items: center;
  font-size: 0.74rem;
}

.feature-track {
  height: 9px;
  background: #e7eeec;
}

.feature-fill {
  height: 100%;
  background: var(--blue);
}

.table-scroll {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.74rem;
}

th,
td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-weight: 600;
}

.prediction-form {
  margin-top: 14px;
}

.prediction-form .field {
  margin-top: 10px;
}

.prediction-result {
  min-height: 150px;
  margin-top: 16px;
  padding: 14px;
  background: white;
  border: 1px solid var(--line);
}

.prediction-result .placeholder {
  color: var(--muted);
  font-size: 0.8rem;
}

.prediction-value {
  font-family: var(--display);
  font-size: 2.5rem;
  line-height: 1;
}

.prediction-meta {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.76rem;
}

.prediction-warning {
  margin-top: 10px;
  padding: 8px 10px;
  color: #7a4300;
  background: var(--amber-soft);
  font-size: 0.74rem;
}

.theory-card {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.theory-snapshot {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.theory-item {
  padding: 9px;
  background: white;
  border: 1px solid var(--line);
}

.theory-item span {
  display: block;
  color: var(--muted);
  font-size: 0.67rem;
}

.theory-item strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.experiment-band {
  margin-top: 16px;
  padding: 18px;
}

.optimizer-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 220px;
  gap: 12px;
  align-items: end;
  margin-top: 12px;
}

.optimizer-button {
  margin-top: 0;
}

.optimizer-summary {
  margin-top: 13px;
  color: var(--muted);
  font-size: 0.76rem;
}

.optimizer-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  margin-top: 12px;
}

.optimizer-ranking {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.optimizer-item {
  padding: 13px;
  background: white;
  border: 1px solid var(--line);
  border-top: 4px solid var(--teal);
}

.optimizer-item strong {
  display: block;
  font-family: var(--display);
  font-size: 1rem;
}

.optimizer-item p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.73rem;
}

.optimizer-heatmap {
  padding: 14px;
  background: white;
  border: 1px solid var(--line);
}

.heatmap-grid {
  display: grid;
  gap: 5px;
  margin-top: 10px;
}

.heatmap-row {
  display: grid;
  grid-template-columns: 82px repeat(4, minmax(38px, 1fr));
  gap: 5px;
  align-items: center;
  font-size: 0.7rem;
}

.heatmap-cell {
  min-height: 34px;
  display: grid;
  place-items: center;
  color: white;
  font-family: var(--mono);
  background: var(--teal);
}

.heatmap-label {
  color: var(--muted);
}

svg text {
  font-family: var(--body);
}

@media (max-width: 1320px) {
  .workbench {
    grid-template-columns: 290px minmax(0, 1fr);
  }

  .prediction-panel {
    position: static;
    grid-column: 1 / -1;
  }

  .optimizer-controls,
  .optimizer-layout {
    grid-template-columns: 1fr;
  }

  .optimizer-ranking {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  .theory-layout,
  .theory-form-grid,
  .database-layout {
    grid-template-columns: 1fr;
  }

  .database-detail {
    position: static;
  }
}

@media (max-width: 860px) {
  .overview,
  .workbench,
  .chart-pair {
    grid-template-columns: 1fr;
  }

  .shell {
    padding: 10px;
  }

  .database-toolbar input,
  .database-toolbar select,
  .database-toolbar .icon-button {
    flex: 1 1 100%;
    width: 100%;
  }

  .topbar {
    display: grid;
  }

  .overview-metrics,
  .metric-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-panel,
  .prediction-panel {
    position: static;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .overview-metrics,
  .metric-cards,
  .optimizer-ranking,
  .theory-snapshot,
  .score-breakdown,
  .descriptor-table {
    grid-template-columns: 1fr;
  }

  .top-actions {
    width: 100%;
  }

  .icon-button {
    flex: 1;
  }
}