:root{--brand:#0f766e;--brand-dark:#115e59;--ink:#1f2937;--muted:#6b7280;--bg:#f8fafc;--card:#ffffff;--line:#e5e7eb}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand)}
.container{max-width:1000px;margin:0 auto;padding:0 20px}
header.site-header{background:var(--brand);color:#fff}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:700;font-size:1.3rem;color:#fff;text-decoration:none}
.nav ul{list-style:none;display:flex;gap:6px;margin:0;padding:0}
.nav a.link{display:block;color:#fff;text-decoration:none;padding:8px 12px;border-radius:6px}
.nav a.link:hover,.nav a.link.active{background:var(--brand-dark)}
.menu-btn{display:none;background:none;border:1px solid #fff;color:#fff;padding:6px 10px;border-radius:6px;font-size:1rem;cursor:pointer}
.hero{padding:48px 0;text-align:center;background:#ecfdf5}
.hero img{max-width:320px;width:100%;height:auto}
.hero h1{margin:16px 0 8px;font-size:2.2rem}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;padding:10px 18px;border-radius:6px;text-decoration:none;font-size:1rem;cursor:pointer}
.btn:hover{background:var(--brand-dark)}
.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}
main{padding:32px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
.card h3{margin-top:0}
form.row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
input,select{padding:9px;border:1px solid var(--line);border-radius:6px;font-size:1rem}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}
.stat{font-size:1.4rem;font-weight:700;color:var(--brand)}
.notfound{text-align:center;padding:60px 0}
.notfound h1{font-size:4rem;margin:0;color:var(--brand)}
footer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);text-align:center}
@media(max-width:640px){
 .menu-btn{display:block}
 .nav{flex-wrap:wrap}
 .nav ul{display:none;flex-direction:column;width:100%;margin-top:10px}
 .nav ul.open{display:flex}
}