.imputation-shell {
  background: #f7f9fc;
  color: #1f2a37;
}

.imputation-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  min-width: 0;
  width: min(1480px, calc(100vw - var(--content-offset-desktop) - 32px));
  max-width: calc(100vw - var(--content-offset-desktop) - 32px);
  box-sizing: border-box;
  margin: 0 16px 0 var(--content-offset-desktop);
  padding: 26px clamp(18px, 3vw, 44px) 72px;
}

.imputation-workspace > *,
.imputation-hero > *,
.imputation-section-heading > *,
.imputation-submit-row > *,
.imputation-next-row > *,
.imputation-status > div,
.method-copy,
.method-badges {
  min-width: 0;
}

.imputation-workspace > section {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin-left: 0;
  margin-right: 0;
}

.imputation-hero,
.imputation-section-heading,
.imputation-submit-row,
.imputation-next-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.imputation-hero h2 {
  margin: 5px 0 7px;
  font-size: 1.9rem;
  line-height: 1.18;
}

.imputation-hero p {
  max-width: 72ch;
  margin: 0;
  color: #556274;
  text-wrap: pretty;
}

.imputation-kicker,
.imputation-section-heading span:first-child {
  color: #357abd;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.icon-help {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid #dbe4f0;
  border-radius: 50%;
  background: #f9fbfe;
  color: #357abd;
}

.imputation-context {
  display: flex;
  align-items: center;
  gap: 26px;
  min-width: 0;
  padding: 13px 18px;
  border: 1px solid #dbe4f0;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(31, 42, 55, .05);
}

.imputation-context div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.imputation-context span,
.history-table th {
  color: #667487;
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.imputation-context strong {
  overflow: hidden;
  max-width: 210px;
  font-size: .87rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.imputation-context a {
  margin-left: auto;
  color: #357abd;
  font-size: .84rem;
  font-weight: 650;
  text-decoration: none;
}

.imputation-status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #edf4fd;
  color: #294e78;
}

.imputation-status p {
  margin: 2px 0 0;
  font-size: .82rem;
}

.imputation-status.is-error { background: #fff1f1; color: #8c2525; }
.imputation-status.is-success { background: #edf8f0; color: #21633a; }
.imputation-status.is-running { background: #fff6e9; color: #8b4b16; }

.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(53, 122, 189, .12);
}

.imputation-config,
.imputation-history,
.imputation-results {
  padding: clamp(20px, 2.5vw, 32px);
  border: 1px solid #dbe4f0;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(31, 42, 55, .055);
}

.imputation-section-heading h3 {
  margin: 3px 0 0;
  font-size: 1.15rem;
}

.baseline-pill,
.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #eef6f0;
  color: #21633a;
  font-size: .75rem;
  font-weight: 650;
}

.method-list {
  display: grid;
  gap: 0;
  margin: 22px 0;
  border: 1px solid #dbe4f0;
  border-radius: 14px;
  overflow: hidden;
}

.method-option {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding: 13px 16px;
  border-bottom: 1px solid #e4ebf4;
  background: #ffffff;
  cursor: pointer;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.method-option:last-child { border-bottom: 0; }
.method-option:hover { background: #f9fbfe; }
.method-option.is-selected { background: #f1f6fc; box-shadow: inset 0 0 0 1px #75a9dc; }
.method-option input { accent-color: #357abd; }

.method-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 10px;
  background: #e7eef7;
  color: #294e78;
  font-size: .75rem;
  font-weight: 750;
}

.method-copy { display: grid; gap: 3px; }
.method-copy small { color: #5d6b7d; font-size: .8rem; overflow-wrap: anywhere; }
.method-badges { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 7px; }
.method-badges em,
.method-badges b {
  padding: 5px 8px;
  border-radius: 7px;
  font-size: .68rem;
  font-style: normal;
  white-space: nowrap;
}
.method-badges em { background: #e8f2fd; color: #285c91; }
.method-badges em.is-warning { background: #fff1e5; color: #914719; }
.method-badges b { background: #f2f5f8; color: #596779; font-weight: 600; }

.imputation-controls,
#advancedMethodControls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.imputation-controls label,
#primaryMethodControl label,
#advancedMethodControls label {
  display: grid;
  align-content: start;
  gap: 7px;
  color: #2c3949;
  font-size: .82rem;
  font-weight: 650;
}

.imputation-controls select,
.imputation-controls input,
#primaryMethodControl select,
#primaryMethodControl input,
#advancedMethodControls select,
#advancedMethodControls input {
  width: 100%;
  min-height: 43px;
  box-sizing: border-box;
  border: 1px solid #ccd8e7;
  border-radius: 9px;
  background: #f9fbfe;
  color: #1f2a37;
  padding: 9px 11px;
  font: inherit;
}

.imputation-controls small,
#primaryMethodControl small,
#advancedMethodControls small,
.advanced-controls summary small {
  color: #6a7788;
  font-size: .72rem;
  font-weight: 450;
}

.advanced-controls {
  margin-top: 18px;
  border-top: 1px solid #e3eaf3;
}

.advanced-controls summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0 10px;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 650;
}

.imputation-submit-row {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #e3eaf3;
}

.imputation-submit-row > div { display: grid; gap: 4px; }
.imputation-submit-row span { color: #687688; font-size: .76rem; }
.imputation-submit-row button,
.secondary-action,
.imputation-next-row a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: #357abd;
  color: #ffffff;
  font: inherit;
  font-size: .82rem;
  font-weight: 650;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.imputation-submit-row button:hover:not(:disabled),
.imputation-next-row a:hover { background: #2e69a4; transform: translateY(-1px); box-shadow: 0 8px 18px rgba(53, 122, 189, .2); }
.imputation-submit-row button:disabled { background: #a7b3c0; cursor: not-allowed; }
.secondary-action { min-height: 38px; background: #edf3f9; color: #315a83; }
.secondary-action:disabled { color: #8c99a8; cursor: not-allowed; }

.history-table-wrap { width: 100%; max-width: 100%; margin-top: 18px; overflow-x: auto; }
.history-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.history-table th,
.history-table td { padding: 12px 10px; border-bottom: 1px solid #e5ebf3; text-align: left; vertical-align: middle; }
.history-table th:last-child { position: relative; }
.history-table td { font-variant-numeric: tabular-nums; }
.table-empty { padding: 28px !important; color: #6b7888; text-align: center !important; }
.run-state { display: inline-flex; padding: 4px 7px; border-radius: 6px; background: #edf3f9; color: #3f5f7f; font-size: .68rem; font-weight: 700; }
.run-state.is-completed { background: #eaf6ee; color: #21633a; }
.run-state.is-failed,
.run-state.is-cancelled { background: #fff0f0; color: #8c2525; }
.run-actions { display: flex; gap: 5px; }
.run-actions button { width: 34px; height: 34px; border: 1px solid #d9e3ef; border-radius: 8px; background: #f9fbfe; color: #40546b; }

.comparison-panel {
  margin-top: 18px;
  padding: 16px;
  border-radius: 12px;
  background: #f4f7fb;
  overflow-x: auto;
}

.comparison-grid,
.result-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.comparison-stat,
.result-metric { padding: 13px; border-radius: 10px; background: #f6f9fc; }
.comparison-stat span,
.result-metric span { display: block; color: #697688; font-size: .68rem; text-transform: uppercase; }
.comparison-stat strong,
.result-metric strong { display: block; margin-top: 5px; font-size: 1rem; font-variant-numeric: tabular-nums; }

.imputation-results .imputation-section-heading { margin-bottom: 18px; }
.imputation-plots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 16px; margin-top: 18px; }
.imputation-plot { min-width: 0; overflow: hidden; border-radius: 12px; background: #f7f9fc; }
.imputation-plot img { display: block; width: 100%; height: auto; border: 0; }
.imputation-plot iframe { display: block; width: 100%; min-height: 430px; border: 0; }
.imputation-next-row { margin-top: 18px; padding-top: 16px; border-top: 1px solid #e3eaf3; }
.imputation-next-row p { max-width: 70ch; margin: 0; color: #5c697a; font-size: .8rem; }

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

@media (max-width: 900px) {
  .imputation-context { flex-wrap: wrap; gap: 13px 22px; }
  .imputation-context a { margin-left: 0; }
  .imputation-controls,
  #advancedMethodControls,
  .imputation-plots { grid-template-columns: 1fr; }
  .method-option { grid-template-columns: auto auto minmax(0, 1fr); }
  .method-badges { grid-column: 3; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .imputation-workspace {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 18px 12px 50px;
    gap: 15px;
  }
  .imputation-context {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .imputation-context div:first-child,
  .imputation-context a { grid-column: 1 / -1; }
  .imputation-context strong { max-width: 100%; }
  .imputation-hero,
  .imputation-section-heading,
  .imputation-submit-row,
  .imputation-next-row { align-items: stretch; flex-direction: column; }
  .imputation-hero .icon-help { position: absolute; top: 17px; right: 14px; }
  .imputation-hero { position: relative; padding-right: 52px; }
  .imputation-config,
  .imputation-history,
  .imputation-results { padding: 17px 14px; border-radius: 14px; }
  .method-option { padding: 12px 10px; gap: 9px; }
  .method-mark { width: 34px; height: 34px; }
  .method-copy small { font-size: .72rem; }
  .advanced-controls summary { align-items: flex-start; flex-direction: column; }
  .imputation-submit-row button,
  .imputation-next-row a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .method-option,
  .imputation-submit-row button,
  .imputation-next-row a { transition: none; }
}