*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
:root{--bg:#f1f5f9;--surface:#fff;--text:#1e293b;--muted:#64748b;--border:#dbe3ed;--blue:#2563eb}
[data-theme="dark"]{--bg:#0f172a;--surface:#1e293b;--text:#e2e8f0;--muted:#a8b5c8;--border:#334155;--blue:#93c5fd}
a{color:var(--blue)}
button,input,select{font:inherit}
button{cursor:pointer;min-height:44px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);padding:8px 12px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #60a5fa;outline-offset:2px}
[hidden]{display:none!important}
.header{position:sticky;top:0;background:linear-gradient(120deg,#0f172a,#1e40af);color:#fff;z-index:1100}
.header-inner{max-width:1160px;margin:auto;padding:16px;display:flex;align-items:center;gap:8px}
.header h1{font-size:20px;margin:0;white-space:nowrap}
.header button{background:#1e40af;color:#fff;border-color:#729ee2}
.app-download{position:relative;flex-shrink:0}
#themeToggle{margin-left:auto}
#downloadToggle{font-size:13px;white-space:nowrap}
#downloadPanel{position:absolute;top:calc(100% + 8px);left:0;width:min(220px,calc(100vw - 120px));padding:8px;border:1px solid var(--border);border-radius:12px;background:var(--surface);box-shadow:0 12px 32px #0003}
#downloadPanel a{display:flex;flex-direction:column;padding:12px;color:var(--text);text-decoration:none;border-radius:8px}
#downloadPanel a:hover{background:var(--bg)}
#downloadPanel span{font-size:13px;color:var(--muted)}
main{max-width:1160px;margin:auto;padding:28px 16px 48px}
.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}
.intro h2{font-size:clamp(24px,3vw,36px);line-height:1.35;margin:4px 0 12px}
.intro p{color:var(--muted);margin:0}
.intro .eyebrow{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:.1em}
.companion{font-size:14px;white-space:nowrap}
.filters{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px}
form{display:flex;gap:8px}
input{min-width:0;flex:1;padding:12px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--text)}
form button{background:#2563eb;color:#fff}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.filter-row label{flex:1;min-width:150px}
select{width:100%;height:44px;padding:0 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text)}
.data-status{display:flex;align-items:center;gap:8px;min-height:52px;color:var(--muted);font-size:13px}
.map-section{position:relative}
#map{height:380px;border:1px solid var(--border);border-radius:16px;z-index:0}
#locate{position:absolute;right:12px;top:12px;z-index:500;box-shadow:0 2px 8px #0002}
.map-note{font-size:12px;color:var(--muted);margin:8px 0 24px}
.results-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.results-heading h2{font-size:20px}
.results-heading span{font-size:13px;color:var(--muted)}
.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--border);border-left:4px solid #60a5fa;border-radius:12px;padding:18px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{font-size:14px;color:var(--muted);margin:6px 0;overflow-wrap:anywhere}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;background:var(--bg);border:1px solid var(--border);padding:3px 8px;border-radius:6px}
.card button{margin-top:10px;width:100%}
#more{display:block;margin:20px auto}
.empty{grid-column:1/-1;padding:32px;text-align:center;color:var(--muted)}
.guide,.source-note{margin-top:36px}
.guide h2,.source-note h2{font-size:20px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.guide article{padding:18px;background:var(--surface);border-radius:12px;border:1px solid var(--border)}
.guide h3{font-size:16px;margin-top:0}
.guide p,.source-note p{font-size:14px;color:var(--muted)}
footer{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;border-top:1px solid var(--border);padding:24px;font-size:13px;background:var(--surface)}
dialog{max-width:600px;width:calc(100% - 32px);max-height:85vh;border:1px solid var(--border);border-radius:16px;padding:24px;background:var(--surface);color:var(--text);overflow:auto}
dialog::backdrop{background:#0f172a99}
#closeDetails{float:right}
dialog p{overflow-wrap:anywhere}
dialog h2{font-size:22px;clear:both}
dialog h3{font-size:16px;margin:24px 0 8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:600px){.header h1{font-size:16px}
#downloadToggle{font-size:12px;padding:8px}
.intro{display:block}
.companion{display:inline-block;margin-top:16px}
.filter-row label{min-width:calc(50% - 8px)}
#map{height:320px}
.results,.guide-grid{grid-template-columns:1fr}
.results-heading{align-items:baseline}
.header-inner{padding:12px 16px}
main{padding-top:24px}
}