:root{--ink:#16232b;--muted:#56666c;--line:#d6dedc;--bg:#f3f5f4;--card:#fff;--sunk:#eaeeed;
--accent:#1f5f8b;--accent-soft:#e2ecf4;--good:#2e7d4f;--warn:#a86a10;--bad:#b5402f;
--font:"Noto Sans Khmer","Khmer OS Siemreap","Leelawadee UI","Segoe UI",system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--font)}
a{color:var(--accent)}
header.top{background:var(--ink);color:#fff;padding:0 20px}
header.top .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;min-height:54px;flex-wrap:wrap}
header.top .brand{font-weight:700;color:#fff;text-decoration:none;letter-spacing:.01em}
header.top nav{display:flex;gap:14px;flex-wrap:wrap;flex:1}
header.top nav a{color:#cfe0ec;text-decoration:none;font-size:14px}
header.top nav a:hover{color:#fff}
header.top .me{font-size:13px;color:#cfe0ec;display:flex;gap:10px;align-items:center}
header.top .me button{background:none;border:1px solid #4d6470;color:#fff;border-radius:6px;padding:3px 10px;cursor:pointer;font:inherit;font-size:13px}
main{max-width:1180px;margin:0 auto;padding:22px 20px 60px}
h1{font-size:26px;margin:0 0 4px;line-height:1.25}
h2{font-size:19px;margin:28px 0 10px}
h3{font-size:16px;margin:0 0 6px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.sub{color:var(--muted);margin:0 0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
input,select,textarea{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:7px 9px;background:#fff;max-width:100%}
textarea{width:100%}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:3px}
.field{margin-bottom:12px}
.btn{display:inline-block;font:inherit;font-size:14px;font-weight:500;padding:8px 14px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;line-height:1.3}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{color:var(--bad)}
.btn.small{padding:4px 10px;font-size:13px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:10px;border:1px solid}
.flash.ok{background:#e8f3ec;border-color:#bfdcc9;color:#1f5a37}
.flash.error{background:#fbeae7;border-color:#efc4bc;color:#8a2f22}
table{border-collapse:collapse;width:100%;font-size:14px;background:#fff}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--sunk);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap}
.pill.good{background:#e3f1e8;color:var(--good)}.pill.warn{background:#faefdc;color:var(--warn)}
.pill.bad{background:#f8e3df;color:var(--bad)}.pill.none{background:var(--sunk);color:var(--muted)}
.pill.info{background:var(--accent-soft);color:var(--accent)}
.lang{font-size:11px;font-weight:700;padding:1px 6px;border-radius:4px;background:var(--sunk);color:var(--muted)}
.q{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:10px}
.q.flag{border-color:#e7c48a;box-shadow:inset 3px 0 0 #e7c48a}
.q .text{font-size:16px;margin:4px 0 10px}
.q .ai{background:var(--accent-soft);border-radius:8px;padding:8px 10px;font-size:13px;margin-bottom:10px}
.q form.review{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.bar{height:10px;background:var(--sunk);border-radius:5px;position:relative;overflow:hidden}
.bar span{position:absolute;inset:0 auto 0 0;border-radius:5px}
.target{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:12px 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat b{display:block;font-size:24px;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}
.warnbox{background:#fff8ec;border:1px solid #efd6a8;border-radius:8px;padding:10px 14px;margin:10px 0}
.warnbox li{margin:2px 0}
.muted{color:var(--muted)}.small{font-size:13px}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 4px}
.steps span{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--sunk);color:var(--muted)}
.steps span.done{background:#e3f1e8;color:var(--good)}
details summary{cursor:pointer;color:var(--accent);font-weight:500}
.login{max-width:380px;margin:60px auto}
@media (max-width:640px){main{padding:16px}h1{font-size:22px}}