:root {
  --bg: #f7f7f5; --panel: #ffffff; --ink: #1d1d1b; --muted: #6b6b66; --line: #e3e3de;
  --accent: #b5361c; --accent-ink: #ffffff; --ok: #1f7a3a; --warn: #9a6400; --info: #2d5d9f;
  --chip: #efeee9;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151514; --panel: #1f1f1d; --ink: #ecebe6; --muted: #9c9b94; --line: #33332f;
          --accent: #e0694d; --accent-ink: #151514; --ok: #5fc27c; --warn: #e0a642; --info: #7ea8e6;
          --chip: #2a2a27; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
       background: var(--bg); color: var(--ink); }
a { color: var(--info); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.top { display: flex; align-items: center; gap: 24px; padding: 12px 24px;
       border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 18px; }
.brand span { color: var(--accent); }
.tabs { display: flex; gap: 4px; }
.tab { white-space: nowrap; background: none; border: 0; padding: 6px 12px; border-radius: 6px; color: var(--muted);
       font: inherit; cursor: pointer; }
.tab.active { background: var(--chip); color: var(--ink); font-weight: 600; }
.top-right { margin-left: auto; display: flex; gap: 12px; align-items: center; font-size: 13px; }

.btn { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 6px;
       padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent);
                 padding: 6px 12px; }
.btn.link { background: none; color: var(--info); padding: 0; font-weight: 500; }
.btn:disabled { opacity: .5; cursor: default; }

.banner { padding: 10px 24px; background: #fff4d6; color: #5c4300; font-size: 14px; }
@media (prefers-color-scheme: dark) { .banner { background: #3a3014; color: #f1d98c; } }

main { max-width: 1200px; margin: 0 auto; padding: 24px; }
h2 { font-size: 18px; margin: 0 0 8px; }

.search { display: flex; gap: 8px; }
.search input { flex: 1; padding: 11px 14px; font: inherit; border: 1px solid var(--line);
                border-radius: 8px; background: var(--panel); color: var(--ink); }
.hint { margin: 8px 0 16px; font-size: 13px; }

.cond-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.cond-pill { background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
             padding: 6px 10px; font-size: 13px; }
.cond-pill b { font-variant-numeric: tabular-nums; }

.crawl-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
               padding: 10px 14px; margin-bottom: 16px; font-size: 13px; }
.crawl-panel .row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.crawl-panel .lines { margin-top: 6px; color: var(--muted); max-height: 7.5em; overflow: auto;
                      font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.spinner { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line);
           border-top-color: var(--accent); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

#results-meta { font-size: 13px; margin-bottom: 8px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
        padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.card.is-new { border-color: var(--accent); }
.card-head { display: flex; gap: 8px; align-items: baseline; justify-content: space-between; }
.card .title { font-weight: 650; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.card .title:hover { text-decoration: underline; }
.sub { font-size: 13px; color: var(--muted); }
.desc { margin: 2px 0; font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { background: var(--chip); border-radius: 999px; padding: 1px 8px; font-size: 12px; }
.chip.cond { font-weight: 600; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 4px 0 0; font-size: 13px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.files { font-size: 13px; }
.files ul, .links { margin: 4px 0 0; padding-left: 18px; }
.files .skip { color: var(--muted); }
details summary { cursor: pointer; font-size: 13px; color: var(--info); }
.paper-list { font-size: 13px; margin-top: 6px; }
.paper { padding: 5px 0; border-top: 1px solid var(--line); }
.paper:first-child { border-top: 0; }
.paper a { color: var(--ink); font-weight: 550; text-decoration: none; }
.paper a:hover { text-decoration: underline; }
.paper .pmeta { color: var(--muted); font-size: 12px; }
.tag { display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase;
       padding: 0 5px; border-radius: 3px; margin-right: 4px; vertical-align: 1px; }
.tag.descriptor { background: var(--accent); color: var(--accent-ink); }
.tag.cites { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.tag.mentions { background: var(--chip); color: var(--muted); }
.instructions { white-space: pre-wrap; font-size: 13px; margin: 6px 0; }
.links { font-size: 12px; overflow-wrap: anywhere; }

.badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .02em;
         padding: 1px 7px; border-radius: 4px; text-transform: uppercase; }
.badge.new { background: var(--accent); color: var(--accent-ink); }
.access-open { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.access-registration, .access-request { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); }
.access-credentialed, .access-dua { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.access-unknown { background: var(--chip); color: var(--muted); }
.dl-downloaded, .dl-partial { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.dl-manual { background: var(--chip); color: var(--muted); }
.dl-pending, .dl-none { display: none; }

table.dir { width: 100%; border-collapse: collapse; background: var(--panel); margin: 12px 0 20px;
            border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.dir th, .dir td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.dir th { font-size: 12px; color: var(--muted); font-weight: 600; }
.dir .num { text-align: right; font-variant-numeric: tabular-nums; }
.dir tbody tr { cursor: pointer; }
.dir tbody tr:hover { background: var(--chip); }
.dir tr.sel { background: var(--chip); }
.log { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px;
       font-size: 12px; white-space: pre-wrap; max-height: 480px; overflow: auto; }

@media (max-width: 640px) {
  .top { padding: 10px 16px; gap: 10px; }
  main { padding: 16px; }
  .cards { grid-template-columns: 1fr; }
  .dir th:nth-child(5), .dir td:nth-child(5), .dir th:nth-child(6), .dir td:nth-child(6) { display: none; }
}

/* FDA devices */
.dev-controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.dev-controls input[type=search] { flex: 1; min-width: 220px; padding: 8px 10px; font: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg button { background: var(--panel); color: var(--muted); border: 0; padding: 6px 12px; font: inherit; cursor: pointer; }
.seg button.on { background: var(--chip); color: var(--ink); font-weight: 600; }
.table-wrap { overflow-x: auto; }
table.devices th[data-sort] { cursor: pointer; user-select: none; white-space: nowrap; }
table.devices th.sorted::after { content: " ↓"; }
table.devices th.sorted.asc::after { content: " ↑"; }
table.devices td { font-size: 13px; }
table.devices td.nowrap { white-space: nowrap; }
.pager { display: flex; gap: 14px; align-items: center; justify-content: center; }
.type { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 3px; text-transform: uppercase; white-space: nowrap; }
.type-510k { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); }
.type-denovo { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
a.count { color: var(--info); font-weight: 600; text-decoration: none; }
a.count:hover { text-decoration: underline; }
.dev-head h2 { margin-bottom: 4px; }
.dev-links { display: flex; gap: 16px; flex-wrap: wrap; margin: 8px 0 16px; font-size: 14px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; }
.panel h3 { font-size: 15px; margin: 0 0 8px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 13px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.review p { margin: 4px 0 10px; font-size: 14px; }
.review h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); margin: 12px 0 2px; }
.review table { border-collapse: collapse; font-size: 13px; width: 100%; }
.review td, .review th { border-bottom: 1px solid var(--line); padding: 4px 8px; text-align: left; }
.link-row { font-size: 13px; padding: 6px 0; border-top: 1px solid var(--line); }
.link-row:first-of-type { border-top: 0; }
.snippet { color: var(--muted); font-size: 12px; font-style: italic; }
.chip-links { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-links a { background: var(--chip); border-radius: 999px; padding: 1px 9px; font-size: 12px; color: var(--ink); text-decoration: none; }
.fda { font-size: 13px; }
.fda a { color: var(--info); }
.used-in { margin-top: 2px; }
.used-in a { font-size: 11px; font-weight: 700; color: var(--warn); text-decoration: none; margin-right: 6px; }
.two-col { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 14px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.type-pma { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.flag { display: inline-block; font-size: 10px; font-weight: 700; padding: 0 5px; border-radius: 3px;
        margin-left: 6px; vertical-align: 1px; white-space: nowrap; }
.flag.ai { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.flag.sw { background: var(--chip); color: var(--muted); }