:root{
  --bg:#f7f7f9; --card:#ffffff; --muted:#666; --accent:#1b62d1;
}
*{box-sizing:border-box}
body{font-family:Inter,Segoe UI,Arial,Helvetica,sans-serif;margin:0;background:var(--bg);color:#111}
.container{max-width:900px;margin:0 auto;padding:24px}
.site-header{background:linear-gradient(90deg,#fff,#f3f6ff);border-bottom:1px solid #e6e9ef}
.site-header .container{display:flex;align-items:center;gap:16px}
.site-header .brand{display:flex;align-items:center;gap:12px}
.site-header h1{margin:0;font-size:20px}
.site-header .logo-sm{width:36px;height:36px;display:inline-block}
.site-header .logo-sm img{width:100%;height:100%;object-fit:contain}

/* homepage larger logo */
.home-hero{display:flex;align-items:center;gap:20px;padding:28px 0}
.home-hero .logo-lg{width:220px;height:220px;border-radius:10px;overflow:hidden;flex:0 0 auto}
.logo-lg img{width:100%;height:100%;object-fit:contain}

/* disclaimer banner */
.disclaimer{background:#fff4e6;border:1px solid #ffd8a8;padding:12px 16px;border-radius:6px;margin:16px 0;color:#6a3700}
.disclaimer strong{color:#4b2200}
.disclaimer .muted{display:block;font-size:13px;color:#5b4636;margin-top:6px}

/* floated images for content pages */
.float-left{float:left;display:block;width:220px;max-width:45%;height:auto;margin:8px 18px 8px 0;object-fit:cover;border-radius:8px}
.float-right{float:right;display:block;width:220px;max-width:45%;height:auto;margin:8px 0 8px 18px;object-fit:cover;border-radius:8px}

/* clearfix for containers with floated children */
.card::after{content:"";display:table;clear:both}

@media (max-width:720px){
  .float-left,.float-right{float:none;display:block;margin:12px auto;width:80%;height:auto}
  .home-hero{flex-direction:column;align-items:center}
  .logo-lg{width:160px;height:160px}
}
.site-header nav{margin-left:auto}
.site-header a{margin-left:12px;color:var(--accent);text-decoration:none}
.site-footer{margin-top:48px;padding:12px 0;color:var(--muted);font-size:14px;text-align:center}
main h2,main h1{margin-top:8px}

.card{background:var(--card);padding:16px;border-radius:8px;box-shadow:0 1px 2px rgba(20,20,50,0.04)}

.controls{display:flex;gap:12px;align-items:center;margin-bottom:12px}
input,select{padding:8px;border:1px solid #dfe6f3;border-radius:6px}
#tableWrap{overflow:auto;background:var(--card);padding:12px;border-radius:8px}
table{width:100%;border-collapse:collapse}
th,td{padding:8px;border-bottom:1px solid #eef2fb;text-align:left}
th{background:#fbfdff;position:sticky;top:0}
.level-0{color:green}
.level-1{color:olive}
.level-2{color:orange}
.level-3{color:darkorange}
.level-4{color:red}
.level-4x{color:crimson}

.small{font-size:13px;color:var(--muted)}