:root{--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#475569;--line:#e2e8f0;--accent:#0369a1;--accent2:#0284c7;--ok:#15803d;--warn:#b45309;--bad:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
header{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:880px;margin:0 auto;padding:0 1rem}
.nav{display:flex;align-items:center;gap:1rem;padding:.8rem 0;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.25rem;color:var(--text);text-decoration:none}.logo span{color:var(--accent2)}
.nav a{color:var(--muted);text-decoration:none;font-size:.92rem}.nav a:hover{color:var(--accent)}
main{padding:1.5rem 0 3rem}
h1{font-size:1.7rem;line-height:1.25;margin:.4em 0}
h2{font-size:1.25rem;margin-top:2em}
.lead{color:var(--muted);font-size:1.05rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.2rem;margin:1.2rem 0}
label{display:block;font-weight:600;margin:.8em 0 .25em;font-size:.95rem}
input[type=date],input[type=number],input[type=email],input[type=text],select{width:100%;max-width:340px;padding:.55em .7em;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;background:#fff}
.check{display:flex;gap:.5em;align-items:flex-start;margin:.8em 0;font-size:.95rem}.check input{margin-top:.3em}
button{background:var(--accent2);color:#fff;border:0;border-radius:8px;padding:.6em 1.3em;font-size:1rem;font-weight:600;cursor:pointer;margin-top:1em}
button:hover{background:var(--accent)}
.result{border-left:4px solid var(--accent2);background:#f0f9ff;padding:1rem;border-radius:0 8px 8px 0;margin-top:1.2rem;display:none}
.result .big{font-size:1.45rem;font-weight:800}
.result.show{display:block}
.skipped{font-size:.88rem;color:var(--muted);margin-top:.5em}
table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.5em .7em;text-align:left}th{background:#f1f5f9}
.note{font-size:.88rem;color:var(--muted)}
.disclaimer{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1rem}
.subbox{background:#ecfeff;border:1px solid #a5f3fc;border-radius:12px;padding:1.1rem;margin:1.6rem 0}
.subbox h3{margin:0 0 .3em}.subbox p{margin:.2em 0 .8em;font-size:.92rem;color:var(--muted)}
.subrow{display:flex;gap:.6rem;flex-wrap:wrap}.subrow input{flex:1;min-width:220px}.subrow button{margin:0}
.submsg{font-size:.9rem;margin-top:.5em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin:1.5rem 0}
.tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.1rem;text-decoration:none;color:var(--text)}
.tile:hover{border-color:var(--accent2)}
.tile h3{margin:0 0 .3em;font-size:1.05rem}.tile p{margin:0;font-size:.88rem;color:var(--muted)}
footer{background:#fff;border-top:1px solid var(--line);padding:1.5rem 0;font-size:.85rem;color:var(--muted)}
footer a{color:var(--muted)}
.src{font-size:.85rem;color:var(--muted)}
.faq h3{font-size:1.02rem;margin:1.2em 0 .2em}
.badge-ok{color:var(--ok);font-weight:700}.badge-warn{color:var(--warn);font-weight:700}.badge-bad{color:var(--bad);font-weight:700}