:root {
  color-scheme: light;
  --tool-bg: #f2f5f8;
  --tool-panel: #ffffff;
  --tool-ink: #172230;
  --tool-muted: #586779;
  --tool-line: #cfdae4;
  --tool-brand: #1f3b62;
  --tool-accent: #14745f;
  --tool-soft: #eaf5f1;
  --tool-danger: #a93027;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body.tool-page { margin: 0; color: var(--tool-ink); background: var(--tool-bg); }
.tool-shell { width: min(1480px, calc(100% - 40px)); margin: 0 auto; padding: 24px 0 40px; }
.tool-header { display: flex; align-items: start; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--tool-line); }
.tool-header h1 { margin: 0 0 5px; font-size: 2rem; letter-spacing: 0; }
.tool-header p { margin: 0; color: var(--tool-muted); }
.tool-title-line { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; }
.tool-title-line h1 { margin-bottom: 5px; }
.tool-beta-badge { margin-bottom: 5px; padding: 3px 8px; border: 1px solid color-mix(in srgb, var(--tool-accent) 55%, var(--tool-line)); border-radius: 999px; color: var(--tool-accent); background: var(--tool-soft); font-size: 0.65rem; font-weight: 900; line-height: 1.2; }
.calculator-switcher { width: 320px; min-width: min(320px, 100%); flex: 0 0 320px; display: grid; gap: 5px; color: var(--tool-muted); font-size: 0.82rem; font-weight: 800; }
.calculator-switcher select { min-height: 46px; }
.tool-workspace { display: grid; grid-template-columns: minmax(320px, 430px) minmax(0, 1fr); gap: 22px; padding-top: 22px; align-items: start; }
.tool-panel, .tool-results { min-width: 0; border: 1px solid var(--tool-line); border-radius: 8px; background: var(--tool-panel); }
.tool-panel { padding: 20px; }
.tool-results { padding: 20px; }
.tool-panel h2, .tool-results h2 { margin: 0 0 14px; font-size: 1.15rem; }
.tool-panel h3 { margin: 20px 0 10px; font-size: 0.95rem; }
.tool-panel .section-heading { margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--tool-line); }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tool-grid .full { grid-column: 1 / -1; }
.tool-panel label { min-width: 0; display: grid; gap: 6px; color: var(--tool-muted); font-size: 0.82rem; font-weight: 750; }
.tool-panel label small { color: var(--tool-muted); font-weight: 500; line-height: 1.35; }
.duty-region-control { display: grid; gap: 6px; color: var(--tool-muted); font-size: 0.82rem; font-weight: 750; }
.profile-source-control { display: grid; gap: 6px; margin-bottom: 14px; color: var(--tool-muted); font-size: 0.82rem; font-weight: 750; }
.tool-segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tool-segmented button { min-height: 46px; border: 1px solid var(--tool-line); color: var(--tool-muted); background: var(--tool-panel); font: inherit; font-weight: 800; cursor: pointer; }
.tool-segmented button:first-child { border-radius: 6px 0 0 6px; }
.tool-segmented button:last-child { margin-left: -1px; border-radius: 0 6px 6px 0; }
.tool-segmented button[aria-pressed="true"] { position: relative; color: #fff; border-color: var(--tool-brand); background: var(--tool-brand); }
.tool-segmented button:focus-visible { z-index: 1; outline: 3px solid color-mix(in srgb, var(--tool-accent) 22%, transparent); }
.tool-panel input, .tool-panel select, .tool-panel textarea, .calculator-switcher select {
  width: 100%; min-width: 0; min-height: 46px; padding: 10px 12px; border: 1px solid var(--tool-line); border-radius: 6px;
  color: var(--tool-ink); background: var(--tool-panel); font: inherit; letter-spacing: 0;
}
.tool-panel textarea { min-height: 86px; resize: vertical; }
.tool-panel input:focus, .tool-panel select:focus, .tool-panel textarea:focus, .calculator-switcher select:focus { outline: 3px solid color-mix(in srgb, var(--tool-accent) 22%, transparent); border-color: var(--tool-accent); }
.check-line { grid-template-columns: 20px 1fr !important; align-items: center; }
.check-line input { min-height: auto; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tool-button { min-height: 44px; padding: 10px 16px; border: 1px solid var(--tool-brand); border-radius: 6px; color: #fff; background: var(--tool-brand); font: inherit; font-weight: 800; cursor: pointer; }
.tool-button.secondary { color: var(--tool-brand); background: transparent; }
.tool-button:disabled { opacity: 0.55; cursor: wait; }
.tool-note { margin: 8px 0 0; color: var(--tool-muted); font-size: 0.8rem; line-height: 1.5; }
.published-rate-summary { padding: 12px 14px; border-left: 3px solid var(--tool-accent); background: var(--tool-soft); color: var(--tool-muted); font-size: 0.8rem; line-height: 1.5; }
.published-rate-summary strong { display: block; margin-bottom: 4px; color: var(--tool-ink); font-size: 0.86rem; }
.published-rate-summary p { margin: 0; }
.tool-panel > details, .stop-card details { margin-top: 14px; border-top: 1px solid var(--tool-line); }
.tool-panel details > summary, .stop-card details > summary { position: relative; padding: 14px 24px 14px 0; color: var(--tool-muted); font-size: 0.87rem; font-weight: 850; cursor: pointer; list-style: none; }
.tool-panel details > summary::-webkit-details-marker, .stop-card details > summary::-webkit-details-marker { display: none; }
.tool-panel details > summary::after, .stop-card details > summary::after { position: absolute; top: 13px; right: 3px; content: "+"; color: var(--tool-brand); font-size: 1.05rem; }
.tool-panel details[open] > summary::after, .stop-card details[open] > summary::after { content: "\2212"; }
.tool-panel details > .tool-grid, .tool-panel details > .fund-grid, .stop-card details > .tool-grid { margin-top: 2px; padding-bottom: 4px; }
.autocomplete { position: relative; }
.autocomplete-results { position: absolute; z-index: 20; top: 100%; left: 0; right: 0; max-height: 260px; overflow: auto; border: 1px solid var(--tool-line); border-radius: 6px; background: var(--tool-panel); box-shadow: 0 12px 24px rgba(20,35,50,.14); }
.autocomplete-results:empty { display: none; }
.autocomplete-results button { width: 100%; padding: 10px 12px; border: 0; border-bottom: 1px solid var(--tool-line); text-align: left; color: var(--tool-ink); background: transparent; cursor: pointer; }
.autocomplete-results button:hover, .autocomplete-results button:focus { background: var(--tool-soft); outline: 0; }
.autocomplete-results small { display: block; color: var(--tool-muted); }
.interpret-choices { display: grid; gap: 6px; margin-top: 8px; }
.interpret-choices:empty { display: none; }
.interpret-choices button { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 10px 12px; color: var(--tool-ink); text-align: left; background: var(--tool-panel); border: 1px solid var(--tool-line); border-radius: 6px; cursor: pointer; }
.interpret-choices button:hover, .interpret-choices button:focus-visible { border-color: var(--tool-accent); outline: none; }
.interpret-choices small { color: var(--tool-muted); }
.summary-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.summary-item { min-height: 116px; padding: 16px; border: 1px solid var(--tool-line); border-radius: 7px; }
.summary-item.primary { color: #fff; background: var(--tool-brand); border-color: var(--tool-brand); }
.summary-item span { display: block; color: inherit; opacity: .78; font-size: 0.75rem; font-weight: 850; text-transform: uppercase; }
.summary-item strong { display: block; margin-top: 10px; font-size: 1.65rem; line-height: 1.05; overflow-wrap: anywhere; }
.summary-item small { display: block; margin-top: 8px; }
.tool-alert { margin: 14px 0; padding: 12px 14px; border: 1px solid #e9c889; border-radius: 6px; color: #744b0d; background: #fff8e8; }
.tool-alert.error { color: var(--tool-danger); border-color: #e5aaa5; background: #fff0ef; }
.result-block { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--tool-line); }
.table-wrap { overflow-x: auto; }
.tool-results table, .privacy-table table { width: 100%; border-collapse: collapse; }
.tool-results th, .tool-results td, .privacy-table th, .privacy-table td { padding: 10px; border-bottom: 1px solid var(--tool-line); text-align: left; vertical-align: top; }
.tool-results th, .privacy-table th { color: var(--tool-muted); font-size: .74rem; text-transform: uppercase; }
.source-note { padding: 12px; border-left: 3px solid var(--tool-accent); background: var(--tool-soft); color: var(--tool-muted); font-size: .82rem; }
.stop-card { margin-top: 12px; padding: 14px; border: 1px solid var(--tool-line); border-radius: 7px; }
.stop-card .remove-stop { color: var(--tool-danger); border-color: currentColor; }
.fund-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.fund-grid label { text-align: center; }
.fund-grid input { padding: 8px; text-align: right; }
.timeline-chart { width: 100%; height: 220px; margin-top: 12px; }
.app-calculator-switcher { width: 100%; min-width: 0; margin: 0; }
.result-transfer-actions { margin: 12px 0; }
@media (max-width: 900px) {
  .tool-shell { width: min(100% - 24px, 1480px); padding-top: 14px; }
  .tool-header { align-items: stretch; flex-direction: column; }
  .tool-header .calculator-switcher { order: -1; width: 100%; flex-basis: auto; }
  .tool-header h1 { font-size: 1.5rem; }
  .tool-workspace { grid-template-columns: 1fr; }
  .summary-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .tool-grid { grid-template-columns: 1fr; }
  .tool-grid .full { grid-column: auto; }
  .tool-panel, .tool-results { padding: 14px; }
  .summary-item { min-height: 96px; padding: 12px; }
  .summary-item strong { font-size: 1.25rem; }
  .fund-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --tool-bg:#0e141b; --tool-panel:#171f29; --tool-ink:#eef4f8; --tool-muted:#afbdca; --tool-line:#354352; --tool-brand:#315f91; --tool-accent:#55c3a2; --tool-soft:#162c29; --tool-danger:#ffaaa2; }
  .tool-button.secondary { color: #b8d5f2; border-color: #6f91b5; }
  .tool-alert { color:#f4ce82; background:#2e2719; border-color:#715d31; }
  .tool-alert.error { color:#ffb0aa; background:#321d1d; border-color:#77413e; }
}