:root{--navy:#0F2342;--navy-2:#1B2F55;--red:#D7181F;--gold:#E8CF8E;--gold-dark:#C9A75A;--bg:#F4F6FA;--card:#fff;--text:#1B2433;--muted:#5A6678;--line:#DDE3EC;--ok:#1f7a4d;--head:'Prompt',system-ui,sans-serif;--body:'Sarabun',system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;font-family:var(--body);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg)}
body.has-nav{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
h1,h2,h3{font-family:var(--head);font-weight:600;color:var(--navy);margin:0;line-height:1.25}
a{color:var(--navy)}
.side{background:var(--navy);color:#C3CBDA;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.1)}
.side .brand img{height:44px;background:#fff;border-radius:8px;padding:4px}
.side .brand span{font-family:var(--head);font-weight:500;font-size:14px;color:var(--gold)}
.side nav{display:flex;flex-direction:column;padding:12px 10px;gap:2px}
.side nav a{color:#C3CBDA;text-decoration:none;padding:10px 12px;border-radius:8px;font-family:var(--head);font-size:15px;display:flex;justify-content:space-between;align-items:center}
.side nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side nav a.on{background:var(--gold);color:var(--navy)}
.pill{background:var(--red);color:#fff;font-size:11px;border-radius:999px;padding:1px 8px;font-weight:600}
.side-foot{margin-top:auto;padding:14px 18px;border-top:1px solid rgba(255,255,255,.1);display:grid;gap:6px;font-size:13px}
.side-foot a{color:#fff;text-decoration:none}
.main{padding:28px 32px 60px;max-width:1240px}
body.bare .main{max-width:460px;margin:8vh auto;padding:24px}
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.top p{color:var(--muted);margin:4px 0 0}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--red);color:#fff;border:0;border-radius:999px;padding:10px 20px;font-family:var(--head);font-weight:500;font-size:15px;cursor:pointer;text-decoration:none;min-height:42px}
.btn:hover{background:#B8121A}
.btn.navy{background:var(--navy)}.btn.navy:hover{background:var(--navy-2)}
.btn.ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--bg)}
.btn.sm{padding:6px 12px;font-size:13px;min-height:32px}
.btn.danger{background:#fff;color:var(--red);border:1px solid #F1B9BB}
.btn.danger:hover{background:#FDECEC}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 6px 20px rgba(15,35,66,.05)}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:18px;background:#E6F4EC;color:var(--ok);border:1px solid #BFE3CC}
.flash.err{background:#FDECEC;color:#9B1317;border-color:#F1B9BB}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;border-top:4px solid var(--gold)}
.stat .k{font-family:var(--head);font-size:13px;color:var(--muted);letter-spacing:.04em}
.stat .v{font-family:var(--head);font-size:34px;font-weight:600;color:var(--navy);line-height:1.1;margin-top:6px}
.stat .s{font-size:13px;color:var(--muted);margin-top:4px}
.stat.red{border-top-color:var(--red)}.stat.navy{border-top-color:var(--navy)}
.grid2{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.chart{display:grid;grid-template-columns:repeat(30,1fr);gap:4px;align-items:end;height:180px;margin-top:14px}
.chart .bar{position:relative;background:var(--navy);border-radius:4px 4px 0 0;min-height:2px}
.chart .bar i{position:absolute;left:0;right:0;bottom:0;background:var(--gold-dark);border-radius:4px 4px 0 0}
.chart .bar:hover::after{content:attr(data-t);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;font-size:12px;padding:4px 8px;border-radius:6px;white-space:nowrap;margin-bottom:6px;z-index:2}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-family:var(--head);font-weight:500;font-size:13px;color:var(--muted);background:var(--bg)}
tr:hover td{background:#FAFBFD}
td img.th{width:72px;height:54px;object-fit:cover;border-radius:8px;background:var(--bg)}
.tag{display:inline-block;font-family:var(--head);font-size:11px;letter-spacing:.06em;padding:3px 9px;border-radius:999px;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.tag.on{background:#E6F4EC;color:var(--ok);border-color:#BFE3CC}
.tag.sample{background:#FBF4DE;color:#7A5B12;border-color:#E8D9A8}
form.f label{display:block;font-family:var(--head);font-weight:500;font-size:14px;color:var(--navy);margin:14px 0 6px}
form.f input[type=text],form.f input[type=password],form.f input[type=number],form.f input[type=date],form.f input[type=url],form.f select,form.f textarea{width:100%;font-family:var(--body);font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text)}
form.f textarea{min-height:110px;resize:vertical}
form.f input:focus,form.f select:focus,form.f textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,35,66,.12)}
form.f .row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
form.f .row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 18px}
form.f .chk{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
form.f .chk label{display:flex;align-items:center;gap:8px;margin:0;font-weight:400;font-family:var(--body);font-size:15px}
form.f .actions{display:flex;gap:10px;margin-top:22px;align-items:center}
form.f .hint{font-size:13px;color:var(--muted);margin-top:4px}
.preview{margin-top:8px;width:220px;aspect-ratio:16/10;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:var(--bg)}
.inline{display:inline}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar input[type=search]{font-family:var(--body);font-size:15px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;min-width:260px}
.empty{padding:30px;text-align:center;color:var(--muted)}
.login h1{font-size:26px}
.login p{color:var(--muted)}
.login .logo{display:block;width:170px;margin:0 auto 18px}
.msg{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px;background:#fff}
.msg.unread{border-left:4px solid var(--red)}
.msg h3{font-size:17px}
.msg .meta{font-size:13px;color:var(--muted);margin:4px 0 8px}
.msg p{white-space:pre-wrap;margin:0}
.reflist{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px;font-size:14px}
.reflist li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:6px}
.reflist b{font-family:var(--head);font-weight:600;color:var(--navy)}
@media (max-width:1000px){.stats{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}form.f .row3{grid-template-columns:1fr}}
@media (max-width:800px){body.has-nav{grid-template-columns:1fr}.side{position:static;height:auto}.side nav{flex-direction:row;flex-wrap:wrap}.main{padding:18px 16px 50px}form.f .row{grid-template-columns:1fr}table{font-size:14px}th,td{padding:8px 6px}.stats{grid-template-columns:1fr 1fr}}