:root{--bg:#f6f7f9;--card:#fff;--ink:#1d2433;--muted:#6b7280;--line:#e3e6ea;--accent:#0b63ce;--accent2:#e8f0fc;--ok:#1a7f37;--warn:#b45309;--err:#b91c1c}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav{max-width:1180px;margin:0 auto;padding:8px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px}
.nav .brand{font-weight:700;margin-right:10px;color:var(--ink)}
.nav a.item{padding:6px 10px;border-radius:8px;color:var(--ink)}
.nav a.item.on{background:var(--accent2);color:var(--accent);font-weight:600}
.nav .right{margin-left:auto;color:var(--muted);font-size:13px}
main{max-width:1180px;margin:0 auto;padding:16px 14px 60px}
h1{font-size:22px;margin:6px 0 14px}h2{font-size:17px;margin:22px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px}
.row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center}
.muted{color:var(--muted)}.small{font-size:13px}
table{border-collapse:collapse;width:100%;background:#fff}
th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:middle;font-size:14px}
th{background:#f1f3f6;font-weight:600;white-space:nowrap}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
input[type=text],input[type=number],input[type=password],select,textarea{font:inherit;border:1px solid #cfd4db;border-radius:8px;padding:6px 8px;background:#fff;color:var(--ink)}
textarea{width:100%;min-height:70px}
input.num{width:70px;text-align:center}
input.n{width:64px;text-align:center}
.btn{display:inline-block;font:inherit;font-weight:600;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:9px;padding:8px 16px;cursor:pointer}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.sec{background:#fff;color:var(--accent)}
.btn.sm{padding:4px 10px;font-weight:500;font-size:13px}
.btn.danger{border-color:#d33;background:#fff;color:#b91c1c}
.ok{color:var(--ok)}.warn{color:var(--warn)}.err{color:var(--err)}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px}
.flash.ok{background:#e6f6ea;color:#14532d}.flash.err{background:#fde8e8;color:#7f1d1d}
.tag{display:inline-block;font-size:12px;padding:1px 7px;border-radius:999px;background:#eef1f5;color:#374151;white-space:nowrap}
.tag.ok{background:#e6f6ea;color:#14532d}.tag.warn{background:#fff4e0;color:#7c2d12}
label.chk{white-space:nowrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}th,td{font-size:13px;padding:5px 6px}}
.field{margin-bottom:10px}.field label{display:block;font-weight:600;margin-bottom:3px;font-size:13px}
.hint{font-size:12px;color:var(--muted)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
#busy{display:none;position:fixed;inset:0;background:rgba(255,255,255,.85);z-index:50;align-items:center;justify-content:center;font-size:18px;font-weight:600}