.library-sections { display: flex; gap: 7px; margin: 0 0 22px; border-bottom: 1px solid var(--line); }
.library-sections > button { min-height: 48px; padding: 9px 16px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-size: 12px; cursor: pointer; }
.library-sections > button span { margin-left: 9px; color: var(--muted-quiet); font-size: 10px; }
.library-sections > button[aria-selected="true"] { color: var(--cyan); border-bottom-color: var(--cyan); }
.fp-intro { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-bottom: 23px; }
.fp-intro h2 { margin: 11px 0; font-size: 25px; font-weight: 550; letter-spacing: -.035em; }
.fp-intro > div > p:last-child { max-width: 790px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.fp-reference-label { flex-shrink: 0; padding: 8px 12px; border: 1px solid var(--line); color: var(--muted); border-radius: 4px; font-size: 10px; }
.fp-layout { display: grid; grid-template-columns: minmax(255px, .7fr) minmax(0, 1.7fr); gap: 18px; align-items: start; }
.fp-list-panel { padding: 16px; }
.fp-search-label { display: block; margin-bottom: 9px; color: var(--muted); font-size: 11px; }
.fp-search { width: 100%; min-width: 0; min-height: 37px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--text); font-size: 11px; }
.fp-search::placeholder { color: var(--muted-quiet); }
.fp-list { display: grid; gap: 6px; margin-top: 13px; }
.fp-case-button { display: block; width: 100%; min-width: 0; padding: 15px 12px; border: 1px solid transparent; border-radius: 5px; text-align: left; background: var(--bg); cursor: pointer; }
.fp-case-button:hover { border-color: var(--line-strong); }
.fp-case-button[aria-pressed="true"] { border-color: #c4e79075; background: #c4e79008; }
.fp-case-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted-quiet); font-size: 9px; }
.fp-case-meta code { font: 9px var(--font-mono); }
.fp-case-button > strong { display: block; margin: 9px 0 7px; color: var(--text); font-size: 12px; font-weight: 550; line-height: 1.7; }
.fp-case-button > small { display: block; color: var(--muted); font-size: 10px; line-height: 1.75; }
.fp-case-button[aria-pressed="true"] .fp-case-meta code { color: var(--cyan); }
.fp-list-note, .fp-empty { margin: 15px 0 0; color: var(--muted-quiet); font-size: 10px; line-height: 1.8; }
.fp-detail-header { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; padding: 25px; border-bottom: 1px solid var(--line); }
.fp-detail-header h2 { margin: 10px 0 9px; font-size: 22px; line-height: 1.5; font-weight: 550; letter-spacing: -.02em; }
.fp-detail-header > div > p:last-child { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.8; }
.fp-category { flex-shrink: 0; color: var(--muted); font-size: 10px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 4px; }
.fp-rule { display: flex; gap: 17px; align-items: baseline; margin: 0 25px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.fp-rule > span { font-size: 10px; color: var(--cyan); white-space: nowrap; }
.fp-rule > p { margin: 0; color: var(--text); font-size: 12px; line-height: 1.9; }
.fp-simulator { padding: 21px 25px; background: #c4e79003; border-bottom: 1px solid var(--line); }
.fp-section-heading { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.fp-section-heading > span { color: var(--muted-quiet); font-size: 10px; }
.fp-detail h3 { margin: 0; color: var(--text); font-size: 12px; font-weight: 600; line-height: 1.6; }
.fp-samples { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 18px; }
.fp-samples > button { padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: var(--bg); font-size: 11px; cursor: pointer; }
.fp-samples > button[aria-pressed="true"] { border-color: #c4e79088; color: var(--cyan); background: #c4e79009; }
.fp-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
.fp-fields label { min-width: 0; }
.fp-fields label > span { display: block; color: var(--muted); font-size: 10px; line-height: 1.6; margin-bottom: 6px; }
.fp-fields select { width: 100%; min-width: 0; min-height: 37px; padding: 6px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--bg); color: var(--text); font: 11px var(--font-ui); cursor: pointer; }
.fp-result { padding: 15px; margin-top: 16px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--bg); }
.fp-result > div { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.fp-result strong { font-size: 12px; font-weight: 600; }
.fp-result code { color: var(--muted); font: 10px var(--font-mono); }
.fp-result > p { margin: 9px 0 10px; color: var(--text); font-size: 11px; line-height: 1.85; }
.fp-result > small { display: block; color: var(--muted-quiet); font-size: 10px; line-height: 1.8; }
.fp-result[data-status="match"] { border-color: #edc37f77; }
.fp-result[data-status="match"] strong { color: var(--warning); }
.fp-result[data-status="unknown"] { border-color: #a9ccda55; }
.fp-result[data-status="unknown"] strong { color: var(--blue); }
.fp-result[data-status="no_match"] strong { color: var(--text); }
.fp-detail-body { padding: 22px 25px; display: grid; gap: 22px; }
.fp-detail-body p { color: var(--muted); font-size: 12px; line-height: 1.9; margin: 9px 0 0; }
.fp-recipe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 23px; }
.fp-recipe-grid ol { margin: 10px 0 0; padding-left: 18px; }
.fp-recipe-grid li { padding: 0 0 7px 3px; color: var(--muted); font-size: 11px; line-height: 1.9; }
.fp-code-section { border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.fp-code-section > summary { padding: 13px; font-size: 11px; cursor: pointer; }
.fp-code-section > summary span { margin-left: 8px; color: var(--muted-quiet); font-size: 10px; }
.fp-code-grid { display: grid; grid-template-columns: 1fr 1fr; background: var(--bg); border-top: 1px solid var(--line); }
.fp-code-grid > div { min-width: 0; padding: 12px; }
.fp-code-grid > div + div { border-left: 1px solid var(--line); }
.fp-code-grid > div > span { font: 9px var(--font-mono); color: var(--muted-quiet); }
.fp-code-grid pre { margin-bottom: 0; color: var(--cyan-soft); font: 10px/1.8 var(--font-mono); overflow-x: auto; tab-size: 2; }
.fp-boundary { padding: 14px; border-left: 2px solid var(--warning); background: #edc37f05; }
.fp-boundary strong { color: var(--warning); font-size: 10px; font-weight: 550; }
.fp-boundary p { font-size: 11px; margin-top: 5px; }
.fp-sources { padding-top: 18px; border-top: 1px solid var(--line); }
.fp-sources ul { display: grid; gap: 8px; margin: 12px 0 0; padding-left: 17px; font-size: 11px; }
.fp-sources a { color: var(--cyan-soft); text-decoration: none; line-height: 1.8; overflow-wrap: anywhere; }
.fp-sources a:hover { text-decoration: underline; }
.fp-sources > p { font-size: 10px; color: var(--muted-quiet); }
@media (max-width: 1000px) {
  .fp-layout { grid-template-columns: 240px minmax(0, 1fr); gap: 12px; }
  .fp-fields { grid-template-columns: 1fr; }
  .fp-recipe-grid { grid-template-columns: 1fr; gap: 15px; }
  .fp-intro { flex-direction: column; align-items: flex-start; gap: 13px; }
  .fp-detail-header { flex-direction: column; }
}
@media (max-width: 720px) {
  .fp-layout { grid-template-columns: 1fr; }
  .fp-list { grid-template-columns: 1fr 1fr; max-height: 350px; overflow-y: auto; }
  .fp-intro h2 { font-size: 22px; }
  .fp-detail-header, .fp-simulator, .fp-detail-body { padding: 18px; }
  .fp-rule { margin: 0 18px; flex-direction: column; gap: 8px; }
  .fp-detail-header h2 { font-size: 20px; }
  .fp-detail-header { flex-direction: row; }
  .library-sections > button { flex: 1; padding: 9px 7px; text-align: left; }
  .library-sections > button span { display: block; margin: 5px 0 0; }
}
@media (max-width: 430px) {
  .fp-list { grid-template-columns: 1fr; max-height: 300px; }
  .fp-section-heading, .fp-detail-header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .fp-code-grid { grid-template-columns: 1fr; }
  .fp-code-grid > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .fp-result > div { flex-wrap: wrap; }
}