:root{
  --navy-900:#0a2540; --navy-800:#0f3358; --navy-700:#154170;
  --red-500:#c0392b; --red-600:#a93226; --red-100:#fbeceb;
  --paper:#f5f3ee; --white:#fff; --ink:#1c2733; --ink-soft:#4c5a6a; --line:#dfe3e8;
  --ok:#17603a; --ok-bg:#e6f3ec;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.5}
a{color:var(--navy-800)}
a:hover{color:var(--red-500)}
h1,h2,h3{font-family:Georgia,serif;color:var(--navy-900);line-height:1.2}
h1{font-size:1.7rem;margin-bottom:6px}
h2{font-size:1.15rem;margin-bottom:12px}
.sub{color:var(--ink-soft);margin-bottom:22px}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100vh}
.side{width:248px;flex:none;background:var(--navy-900);color:#c9d6e4;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .logo{background:#fff;border-radius:8px;padding:8px 10px;margin-bottom:6px;display:block}
.side .logo img{display:block;width:100%;height:auto}
.side .tag{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#7f95ad;margin:10px 4px 18px}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{color:#c9d6e4;text-decoration:none;padding:9px 12px;border-radius:6px;font-weight:600;font-size:.92rem;display:flex;justify-content:space-between;align-items:center}
.side nav a:hover{background:var(--navy-800);color:#fff}
.side nav a.on{background:var(--red-500);color:#fff}
.side .sect{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#7f95ad;margin:18px 12px 6px}
.dot{width:9px;height:9px;border-radius:50%;background:#f4b3ab;display:inline-block}
.side .me{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem}
.side .me .who{color:#fff;font-weight:700}
.side .me a{color:#9fb3c9;font-size:.82rem}
.linkbtn{background:none;border:none;color:#9fb3c9;font:inherit;font-size:.82rem;text-decoration:underline;cursor:pointer;padding:0}
.linkbtn:hover{color:#fff}
.main{flex:1;min-width:0;padding:34px 40px 60px;max-width:1100px}

/* ---------- components ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:22px 24px;margin-bottom:20px}
.card.warn{border-left:5px solid var(--red-500)}
.card.good{border-left:5px solid var(--ok)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tile{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.tile .n{font-family:Georgia,serif;font-size:2rem;color:var(--navy-900);font-weight:700}
.tile .l{color:var(--ink-soft);font-size:.88rem}
.btn{display:inline-block;border:none;border-radius:6px;padding:10px 18px;font:inherit;font-weight:700;font-size:.92rem;cursor:pointer;text-decoration:none;background:var(--navy-900);color:#fff}
.btn:hover{background:var(--navy-700);color:#fff}
.btn.red{background:var(--red-500)}
.btn.red:hover{background:var(--red-600)}
.btn.ghost{background:transparent;color:var(--navy-800);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--navy-800);background:#fff;color:var(--navy-900)}
.btn.sm{padding:6px 12px;font-size:.82rem}
.btn.danger{background:#fff;color:var(--red-500);border:1px solid #e3b3ad}
.btn.danger:hover{background:var(--red-500);color:#fff}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.spread{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.badge{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:3px 10px;border-radius:20px}
.badge.on{background:var(--ok-bg);color:var(--ok)}
.badge.off{background:var(--red-100);color:var(--red-500)}
.badge.muted{background:#eceff3;color:var(--ink-soft)}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600;font-size:.94rem}
.flash.ok{background:var(--ok-bg);color:var(--ok)}
.flash.error{background:var(--red-100);color:#7a2b23}
.errors{background:var(--red-100);color:#7a2b23;border-radius:8px;padding:12px 16px 12px 34px;margin-bottom:16px;font-size:.92rem}
.hint{color:var(--ink-soft);font-size:.84rem;margin-top:4px}
.empty{color:var(--ink-soft);padding:18px 0}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:.92rem}
th{text-align:left;font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);padding:8px 10px;border-bottom:2px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr.dim td{color:#8a97a6}
td.actions{white-space:nowrap;text-align:right}
td.actions form{display:inline}
.tablewrap{overflow-x:auto}

/* ---------- forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.86rem;color:var(--navy-900);margin-bottom:5px}
input[type=text],input[type=password],input[type=url],input[type=date],input[type=file],select,textarea{width:100%;padding:10px 12px;border:1px solid #c9d0d8;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:88px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red-500);outline-offset:1px;border-color:var(--red-500)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cols3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:600}
.check input{margin-top:4px;width:18px;height:18px;accent-color:var(--red-500)}
.switch{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.05rem;color:var(--navy-900)}
.switch input{width:22px;height:22px;accent-color:var(--red-500)}
.inline{display:inline-flex;gap:6px;align-items:center}
.inline input[type=password]{width:190px;padding:6px 10px}
.inline select{width:auto;padding:6px 10px}

/* ---------- login ---------- */
.loginwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(120deg,var(--navy-900),var(--navy-700))}
.logincard{background:#fff;border-radius:12px;padding:30px 32px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.logincard img{display:block;width:210px;margin:0 auto 14px}
.logincard h1{text-align:center;font-size:1.3rem}
.logincard .sub{text-align:center;margin-bottom:18px}
.logincard .btn{width:100%;margin-top:6px}

ul.plain{list-style:none}
ul.plain li{padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
ul.plain li:last-child{border-bottom:none}
.when{color:var(--ink-soft);font-size:.8rem}
code{background:#eef1f5;padding:1px 6px;border-radius:4px;font-size:.88em}

@media(max-width:900px){
  .shell{flex-direction:column}
  .side{width:100%;height:auto;position:static;padding:14px}
  .side .logo{max-width:200px}
  .side nav{flex-direction:row;flex-wrap:wrap}
  .side .me{margin-top:14px}
  .main{padding:22px 16px 50px}
  .grid3,.grid2,.cols2,.cols3{grid-template-columns:1fr}
}