:root{--navy:#17506f;--band:#eaf3fa;--line:#d5dde3;--ink:#1c2730;--mute:#63727e;--ok:#1d7a46;--err:#b3261e;--warn:#9a6700;--bg:#f5f7f9}
*{box-sizing:border-box}
body{margin:0;font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--navy)}
header.top{background:var(--navy);color:#fff;padding:.6rem 1rem;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
header.top strong{font-size:1rem;margin-right:auto}
header.top form{margin:0}
nav{background:#fff;border-bottom:1px solid var(--line);overflow-x:auto;white-space:nowrap;padding:0 .5rem;position:sticky;top:0;z-index:5}
nav a{display:inline-block;padding:.75rem .7rem;text-decoration:none;font-weight:600;font-size:.95rem}
nav a.on{border-bottom:3px solid var(--navy)}
main{max-width:1000px;margin:0 auto;padding:1rem}
h1{font-size:1.35rem;margin:.2rem 0 1rem;color:var(--navy)}
h2{font-size:1.1rem;margin:0 0 .6rem;color:var(--navy)}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1rem;margin-bottom:1rem}
.grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
label{display:block;font-size:.85rem;font-weight:600;color:var(--mute);margin-bottom:.2rem}
input,select,textarea{width:100%;padding:.65rem .7rem;font:inherit;border:1px solid #b9c4cc;border-radius:8px;background:#fff}
textarea{min-height:6.5rem;font-family:ui-monospace,Consolas,monospace;font-size:.9rem}
input[type=checkbox],input[type=radio]{width:1.25rem;height:1.25rem;vertical-align:middle;margin-right:.35rem}
label.chk{font-size:1rem;color:var(--ink);font-weight:500;padding:.35rem 0}
button,.btn{display:inline-block;padding:.65rem 1rem;font:inherit;font-weight:600;border:0;border-radius:8px;background:var(--navy);color:#fff;cursor:pointer;text-decoration:none;min-height:44px}
button.alt,.btn.alt{background:#fff;color:var(--navy);border:1px solid var(--navy)}
button.ok{background:var(--ok)}button.bad{background:var(--err)}
button.sm{padding:.35rem .6rem;min-height:36px;font-size:.9rem}
.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:end}
.row>*{flex:1 1 130px}.row>button,.row>.btn,.row>form{flex:0 0 auto}
.tw{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{padding:.5rem .55rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--band);color:var(--navy);font-size:.8rem;white-space:nowrap}
td.n,th.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:.1rem .5rem;border-radius:99px;font-size:.78rem;font-weight:700;background:var(--band);color:var(--navy)}
.tag.ok{background:#dff3e6;color:var(--ok)}.tag.err{background:#fde7e5;color:var(--err)}.tag.warn{background:#fff3d1;color:var(--warn)}
.flash{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;background:#dff3e6;color:#0f5132;font-weight:600}
.flash.err{background:#fde7e5;color:var(--err)}
.sample{background:#fff3d1;border:2px dashed var(--warn);color:#5c3d00;padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;font-weight:600}
.mute{color:var(--mute);font-size:.88rem}
.big{font-size:1.5rem;font-weight:700}
.best{background:#f1faf4}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;margin:0}.kv dt{color:var(--mute);font-size:.88rem}.kv dd{margin:0;font-weight:600}
.login{max-width:380px;margin:8vh auto}
form.in{display:inline}