:root{
  --bg:#f6f1e7;
  --bg-panel:#ffffff;
  --ink:#2b2418;
  --ink-soft:#5a4e3c;
  --muted:#8a7e6c;
  --accent:#c86b3c;
  --accent-dark:#8b4a22;
  --accent-2:#6b4226;
  --ok:#3e7a4a;
  --warn:#b5442e;
  --line:#e4dccb;
  --radius:12px;
  --shadow:0 2px 0 rgba(43,36,24,.06), 0 8px 24px rgba(43,36,24,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  font-size:16px;
}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-dark)}
a:hover{color:var(--accent)}

.site-header{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 28px;
  background:linear-gradient(180deg,#fff 0%,#fbf7ee 100%);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{width:44px;height:44px;border-radius:10px;box-shadow:var(--shadow)}
.brand h1{font-size:20px;margin:0;letter-spacing:.2px}
.tagline{margin:0;font-size:13px;color:var(--muted)}

.site-nav{display:flex;gap:18px;flex-wrap:wrap}
.site-nav a{font-size:14px;text-decoration:none;color:var(--ink-soft);padding:6px 2px}
.site-nav a:hover{color:var(--accent-dark)}

main{max-width:1100px;margin:0 auto;padding:28px 20px 60px}

.panel{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  margin-bottom:22px;
  box-shadow:var(--shadow);
}
.panel-head{margin-bottom:14px}
.panel-head h2{margin:0 0 4px;font-size:20px}
.panel-head p{margin:0;color:var(--ink-soft);font-size:14px}

.worksheet{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.ws-group{border:1px solid var(--line);border-radius:10px;padding:14px}
.ws-group legend{font-weight:600;padding:0 6px}
.ws-group label{display:block;margin-top:10px;font-size:13px;color:var(--ink-soft)}
.ws-group select,.ws-group input{
  width:100%;margin-top:6px;padding:10px 10px;
  border:1px solid var(--line);border-radius:8px;
  background:#fff;font-size:14px;color:var(--ink);
}

.context-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.ctx-btn{
  display:flex;align-items:center;gap:8px;
  padding:10px 12px;border:1px solid var(--line);
  border-radius:8px;background:#fff;
  cursor:pointer;font-size:14px;text-align:left;
  transition:transform .06s ease, border-color .12s ease, background .12s ease;
}
.ctx-btn:hover{border-color:var(--accent);transform:translateY(-1px)}
.ctx-btn[aria-pressed="true"]{background:#fff3e6;border-color:var(--accent);color:var(--accent-dark);font-weight:600}
.ctx-ico{font-size:18px}

.result{
  border:1px dashed var(--line);border-radius:10px;
  padding:18px;min-height:120px;
  background:#fdfaf3;
}
.result-empty{color:var(--muted);text-align:center;padding:14px}
.result-empty p{margin:6px 0}
.result h3{margin:0 0 6px;font-size:18px}
.result .confidence{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;margin-left:8px}
.conf-high{background:#e4f1e7;color:var(--ok)}
.conf-mid{background:#fdf0d6;color:#a36a1e}
.conf-low{background:#f7e3dd;color:var(--warn)}

.result-section{margin-top:12px}
.result-section h4{margin:0 0 6px;font-size:14px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.5px}
.result-section ul{margin:0;padding-left:18px}
.result-checklist{list-style:none;padding:0;margin:0}
.result-checklist li{padding:6px 0;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:flex-start}
.result-checklist li:last-child{border-bottom:none}
.result-checklist input{margin-top:4px}
.result-notes{font-size:13px;color:var(--ink-soft);margin-top:10px;padding:10px;background:#f4ecdc;border-radius:8px}

.result-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn{
  padding:9px 14px;border:1px solid var(--line);
  border-radius:8px;background:#fff;
  cursor:pointer;font-size:13px;
}
.btn:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-dark)}

.audio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:14px}
.audio-card{border:1px solid var(--line);border-radius:10px;padding:14px;background:#fff}
.audio-card h3{margin:0 0 4px;font-size:15px}
.audio-card p{margin:0 0 10px;font-size:13px;color:var(--ink-soft)}
.audio-card audio{width:100%;height:36px}
.spectrogram{display:block;width:100%;height:50px;margin-bottom:8px;background:#f6f1e7;border-radius:6px}

.bl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:14px}
.bl-card{border:1px solid var(--line);border-radius:10px;padding:14px;background:#fff}
.bl-card h3{margin:0;font-size:15px}
.bl-card ul{margin:8px 0 0;padding-left:16px;font-size:13px}
.bl-ico{width:36px;height:36px;margin-bottom:6px}

.table-wrap{overflow-x:auto;margin-top:14px}
.ref-table{width:100%;border-collapse:collapse;font-size:14px}
.ref-table th,.ref-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.ref-table th{background:#f4ecdc;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.ref-table tr:hover td{background:#fdfaf3}

.print-card{margin-top:18px;padding:14px;background:#fff3e6;border:1px solid #f0d7b5;border-radius:10px}
.print-card h3{margin:0 0 6px;font-size:15px}
.print-card ul{margin:0;padding-left:18px;font-size:13px}

.guide p{margin:0 0 10px;font-size:14px;color:var(--ink-soft)}

.site-footer{
  max-width:1100px;margin:0 auto;padding:24px 20px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-soft);
}
.footer-nav{display:flex;gap:14px;flex-wrap:wrap}
.footer-nav a{color:var(--ink-soft);text-decoration:none}
.footer-nav a:hover{color:var(--accent-dark)}

.muted{color:var(--muted)}
.small{font-size:12px}

@media (max-width: 720px){
  .site-header{flex-direction:column;align-items:flex-start;padding:14px 16px}
  .site-nav{gap:12px}
  main{padding:16px 12px 40px}
  .panel{padding:16px}
  .worksheet{grid-template-columns:1fr}
  .context-grid{grid-template-columns:repeat(2,1fr)}
  .site-footer{flex-direction:column}
}

@media print{
  .site-header,.site-nav,.result-actions,.site-footer,.audio-card audio{display:none!important}
  body{background:#fff}
  .panel{box-shadow:none;border:1px solid #ccc}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}