.configurator-page {
  max-width: 1280px;
  padding-top: 52px;
  padding-bottom: 96px;
}
.config-hero { max-width: 860px; }
.config-hero h1 { max-width: 14ch; }
.data-date { color: var(--muted); font-size: .9rem; }
.mode-picker, .config-panel, .results-panel { margin-top: 42px; }
.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.mode-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 16px;
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: transform .15s ease, border-color .15s ease;
}
.mode-card:hover, .mode-card:focus-visible { transform: translateY(-3px); border-color: var(--accent); }
.mode-card strong { align-self: center; font-size: 1.45rem; }
.mode-card > span:last-child { grid-column: 2; color: var(--muted); }
.mode-icon { grid-row: 1 / span 2; font-size: 2rem; }
.config-panel {
  max-width: 920px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.back-link {
  margin: 0 0 20px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}
.usecase-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  cursor: pointer;
}
.usecase-card:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.usecase-card input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
.usecase-card span { display: grid; gap: 3px; }
.usecase-card small { color: var(--muted); }
.stage2-usecase { border-style: dashed; }
.guided-notes { display: grid; gap: 10px; margin-bottom: 18px; }
.info-box, .teaser-box, .error-box, .warning-box, .purchase-rules, .guarantee-note {
  margin: 0;
  padding: 14px 16px;
  border-radius: 14px;
}
.info-box { background: #eef5ee; border: 1px solid #cfe0cf; }
.teaser-box { background: var(--accent-soft); border: 1px dashed var(--accent); }
.error-box, .warning-box { background: #fff5e8; border: 1px solid #eccb9c; }
.results-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.class-filter { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.class-chip {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: .88rem;
  font-weight: 700;
}
.class-chip[aria-pressed="true"] { background: var(--text); color: white; border-color: var(--text); }
.class-summary {
  margin: 18px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: var(--accent-soft);
}
.class-summary p { margin-bottom: 0; }
.comparison {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.comparison-header {
  display: grid;
  grid-template-columns: minmax(180px, .75fr) repeat(var(--columns), minmax(230px, 1fr));
  position: sticky;
  top: 77px;
  z-index: 6;
  background: var(--text);
  color: white;
}
.comparison-header > * { min-width: 0; padding: 18px; border-right: 1px solid rgba(255,255,255,.13); }
.comparison-heading { display: flex; flex-direction: column; gap: 9px; }
.comparison-heading > strong { font-size: 1.05rem; }
.status-badge, .source-badge {
  display: inline-flex;
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
}
.comparison-row { border-top: 1px solid var(--line); }
.comparison-row-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  background: var(--surface-soft);
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}
.comparison-row-summary::-webkit-details-marker { display: none; }
.comparison-row-summary::after { content: "+"; color: var(--accent); font-size: 1.2rem; }
.comparison-row[open] .comparison-row-summary::after { content: "−"; }
.row-toggle-hint { margin-left: auto; color: var(--muted); font-size: .75rem; font-weight: 500; }
.comparison-values {
  display: grid;
  grid-template-columns: minmax(180px, .75fr) repeat(var(--columns), minmax(230px, 1fr));
}
.comparison-values::before { content: ""; min-height: 1px; background: var(--surface-soft); }
.comparison-value { min-width: 0; padding: 16px 18px; border-left: 1px solid var(--line); overflow-wrap: anywhere; }
.comparison-value ul { padding-left: 1rem; }
.warning-list { display: grid; gap: 7px; }
.power-values { display: grid; gap: 11px; }
.power-value { display: grid; gap: 3px; }
.power-label { color: var(--muted); font-size: .78rem; }
.source-a { background: #e6f5e8; color: #286234; }
.source-b { background: #edf0f6; color: #41506a; }
.source-c { background: #fff2d9; color: #745317; }
.bundle-detail { color: var(--text); }
.bundle-details { display: grid; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--line); background: var(--surface-soft); }
.bundle-detail { padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.bundle-detail > summary {
  width: fit-content;
  color: var(--accent);
  cursor: pointer;
  font-size: .84rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.bundle-detail[open] { position: relative; }
.bundle-detail-body {
  display: grid;
  gap: 14px;
  margin-top: 10px;
  padding: 14px 0 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
}
.parts-summary-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.parts-summary-list li,
.bom-row {
  display: grid;
  grid-template-columns: .7rem minmax(0, 1fr);
  column-gap: 7px;
  align-items: start;
}
.parts-summary-list li::before,
.bom-row::before {
  content: "•";
  grid-column: 1;
  color: var(--accent);
  font-weight: 900;
  line-height: 1.35;
}
.parts-summary-copy { display: grid; grid-column: 2; gap: 4px; min-width: 0; }
.bom-category {
  display: inline-flex;
  width: fit-content;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .02em;
}
.bom-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.bom-row { row-gap: 8px; padding-bottom: 11px; border-bottom: 1px solid var(--line); }
.bom-row > * { grid-column: 2; }
.bom-copy { display: grid; gap: 3px; }
.bom-copy small { color: var(--muted); }
.bom-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; }
.button-secondary { border: 1px solid var(--line); background: transparent; color: var(--text); box-shadow: none; }
.button-secondary:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.affiliate-inline { flex-basis: 100%; color: var(--muted); font-size: .7rem; }
.button-small { min-height: 36px; padding: 8px 11px; font-size: .76rem; }
.small-link { font-size: .78rem; }
.housing-toggle { display: flex; align-items: flex-start; gap: 8px; padding: 12px; border-radius: 12px; background: var(--accent-soft); font-size: .86rem; }
.housing-toggle input { margin-top: 4px; }
.purchase-rules { background: #eef5ee; }
.purchase-rules ul, .warning-box ul { margin-top: 8px; }
.guarantee-note { background: #edf0f6; }
.bundle-total { margin: 0; font-weight: 800; }
.affiliate-legend {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: .86rem;
}
.compact-legend { margin-top: 0; font-size: .72rem; }
.methodology-disclosure { margin-top: 36px; }
.methodology-disclosure > summary { cursor: pointer; color: var(--accent); font-weight: 800; }
.methodology-disclosure[open] > summary { margin-bottom: 16px; }
.no-js-note { margin-bottom: 48px; }
.visually-hidden {
  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) {
  .results-toolbar { align-items: flex-start; flex-direction: column; }
  .class-filter { justify-content: flex-start; }
  .comparison { overflow-x: auto; }
  .comparison-header, .comparison-values { min-width: calc(200px + var(--columns) * 250px); }
  .comparison-header { position: relative; top: auto; }
}

@media (max-width: 680px) {
  .configurator-page { padding-top: 34px; }
  .mode-grid, .usecase-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: 150px; padding: 20px; }
  .config-panel { padding: 20px; }
  .comparison {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
  .comparison-header {
    display: grid;
    grid-template-columns: 1fr;
    min-width: 0;
    border-radius: 18px;
    overflow: hidden;
  }
  .comparison-header > .comparison-label { display: none; }
  .comparison-heading { padding: 16px 18px; border-top: 1px solid rgba(255,255,255,.13); }
  .comparison-values {
    display: grid;
    grid-template-columns: 1fr;
    min-width: 0;
  }
  .comparison-values::before { display: none; }
  .comparison-value { border-left: 0; border-top: 1px solid var(--line); }
  .comparison-value::before {
    content: attr(data-way);
    display: block;
    margin-bottom: 6px;
    color: var(--accent);
    font-size: .74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .05em;
  }
  .row-toggle-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .mode-card { transition: none; }
}