:root{
  --bg:#f4f6f9; --card:#fff; --ink:#1a2230; --muted:#5b6675;
  --line:#e3e8ef; --brand:#166c4d; --brand-d:#0f5239;
  --warn:#b4540a; --danger:#c0392b; --hl:#166c4d;
  --radius:14px; --shadow:0 1px 3px rgba(20,30,50,.06),0 8px 24px rgba(20,30,50,.05);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}

.site-header{background:var(--brand);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:.2px}
.year-pill{font-size:13px;background:rgba(255,255,255,.16);padding:4px 10px;border-radius:999px}

h1{font-size:clamp(26px,5vw,38px);line-height:1.15;margin:28px 0 10px}
h2{font-size:22px;margin:0 0 12px}
h3{font-size:17px;margin:20px 0 6px}
.lede{color:var(--muted);font-size:18px;margin:0 0 24px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;margin:0 0 22px}

.field{margin-bottom:18px}
label{display:block;font-weight:600;margin-bottom:7px}
select,.money input{
  width:100%;font-size:17px;padding:13px 14px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink)
}
select:focus,.money input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.money{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.money:focus-within{outline:2px solid var(--brand);border-color:var(--brand)}
.money span{padding:0 12px;color:var(--muted);font-size:17px;background:#fafbfc;align-self:stretch;display:flex;align-items:center}
.money input{border:0;border-radius:0}
.money input:focus{outline:none}
.hint{font-size:13px;color:var(--muted);margin:7px 0 0}
.check label{font-weight:500;display:flex;gap:9px;align-items:center;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--brand)}

.btn{
  width:100%;border:0;background:var(--brand);color:#fff;font-size:17px;font-weight:700;
  padding:15px;border-radius:10px;cursor:pointer;transition:background .15s
}
.btn:hover{background:var(--brand-d)}

.result{margin-top:20px;padding:18px;border-radius:12px;border:1px solid var(--line);background:#fafdfb}
.result[hidden]{display:none}
.result.good{background:#f0f9f4;border-color:#bfe6cf}
.result.warn{background:#fff7ed;border-color:#f3d8b5}
.result .ok{color:var(--brand-d);font-size:18px;margin:0 0 6px}
.result .hit{color:var(--warn);font-size:18px;margin:0 0 6px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 6px}
.grid>div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.grid .k{display:block;font-size:13px;color:var(--muted)}
.grid .v{display:block;font-size:22px;font-weight:700;margin-top:3px}
.grid .v.hl{color:var(--hl)}
.note{font-size:13px;color:var(--muted);margin:10px 0 0}
.cliff{margin:14px 0 0;padding:11px 13px;border-radius:9px;background:#fff7ed;border:1px solid #f3d8b5;font-size:15px}
.cliff.danger{background:#fdecea;border-color:#f5c2bd}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14.5px;min-width:520px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:#f7f9fb;font-weight:700;font-size:13px}
tbody tr:hover{background:#fafbfc}

details{border-top:1px solid var(--line);padding:12px 0}
details:first-of-type{border-top:0}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:8px 0 0}

.ad-slot{min-height:90px;margin:0 0 22px;border:1px dashed var(--line);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:#aab2bd;font-size:12px;background:#fbfcfd}
.ad-slot::after{content:"ad"}

.disclaimer{font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;margin:0 0 30px}

.site-footer{border-top:1px solid var(--line);background:#fff}
.site-footer p{color:var(--muted);font-size:13px;text-align:center;padding:18px}

@media(max-width:520px){
  .grid{grid-template-columns:1fr}
  .card{padding:18px}
}

/* trip rows (citizenship tool) */
.trip-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.trip-row input[type=date]{flex:1;min-width:0;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:15px;background:#fff}
.trip-row input[type=date]:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.trip-row .arrow{color:var(--muted)}
.trip-row .rm{border:0;background:#f0f2f5;color:#a33;width:36px;height:36px;border-radius:8px;cursor:pointer;font-size:18px;flex:0 0 auto}
.btn-sec{width:100%;border:1px dashed var(--line);background:#fff;color:var(--brand);padding:11px;border-radius:10px;cursor:pointer;font-weight:600;margin-bottom:14px}
.btn-sec:hover{background:#f7faf8}