:root{
  --navy:#1F3A5F; --navy-d:#162B47; --amber:#F2A93B; --amber-d:#C9831A;
  --bg:#F4F6F9; --card:#FFFFFF; --line:#DDE3EB; --text:#1B2430; --muted:#5E6B7C;
  --green:#1E8E5A; --red:#C0392B; --blue:#2D6CDF; --orange:#D9822B;
  --r:12px; --tap:48px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Gujarati","Noto Sans",Arial,sans-serif}
body{min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}
button,input,select,textarea{font:inherit;color:inherit}
.boot{padding:40px;text-align:center;color:var(--muted)}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;display:flex;align-items:center;gap:10px}
.top .logo{width:34px;height:34px;border-radius:8px;background:var(--amber);color:var(--navy);
  display:grid;place-items:center;font-weight:800;letter-spacing:.5px}
.top h1{font-size:17px;margin:0;font-weight:650;flex:1;line-height:1.2}
.top .sub{font-size:12px;opacity:.75;font-weight:400;display:block}
.top .site-pick{background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:8px;padding:6px 8px;max-width:42vw}
.top .site-pick option{color:#000}
.offline{background:var(--orange);color:#fff;text-align:center;padding:6px;font-size:14px}

/* layout */
main{max-width:720px;margin:0 auto;padding:14px 16px 96px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px}
.card h2{font-size:15px;margin:0 0 8px;color:var(--navy)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.stat b{display:block;font-size:24px;color:var(--navy)} .stat span{font-size:13px;color:var(--muted)}
.muted{color:var(--muted);font-size:14px}
.row{display:flex;align-items:center;gap:10px}
.spread{justify-content:space-between}
.list{display:flex;flex-direction:column;gap:8px}
.item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;
  display:flex;align-items:center;gap:12px;text-align:left;width:100%;cursor:pointer}
.item.static{cursor:default}
.item .main{flex:1;min-width:0}
.item .t{font-weight:600;overflow-wrap:anywhere}
.item .s{font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:99px;background:#E8EEF6;color:var(--navy);white-space:nowrap}
.badge.ok{background:#DDF3E8;color:#146B43} .badge.off{background:#EDEDED;color:#666}
.badge.warn{background:#FCE9D2;color:#8A4B07} .badge.site{background:#E3ECFD;color:#1C4FB0}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:16px 2px 6px}

/* forms */
label{display:block;font-size:14px;font-weight:600;margin:12px 0 4px}
input,select,textarea{width:100%;min-height:var(--tap);padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:0}
.check{display:flex;align-items:center;gap:10px;font-weight:500;margin:8px 0;min-height:36px}
.check input{width:22px;height:22px;min-height:0}
.btn{min-height:var(--tap);padding:0 18px;border:0;border-radius:10px;background:var(--navy);color:#fff;
  font-weight:650;cursor:pointer}
.btn.amber{background:var(--amber);color:var(--navy)} .btn.ghost{background:#E8EEF6;color:var(--navy)}
.btn.red{background:var(--red)} .btn.block{width:100%}
.btn:disabled{opacity:.55}
.fab{position:fixed;right:16px;bottom:calc(76px + env(safe-area-inset-bottom));z-index:15;
  min-height:54px;padding:0 20px;border-radius:99px;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.chip{flex:0 0 auto;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;cursor:pointer;
  min-height:38px}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.tabs{display:flex;background:#E8EEF6;border-radius:10px;padding:3px;margin-bottom:10px}
.tabs button{flex:1;min-height:40px;border:0;background:none;border-radius:8px;font-weight:600;color:var(--muted)}
.tabs button.on{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.12)}

/* bottom nav */
nav.bottom{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--line);
  display:flex;padding-bottom:env(safe-area-inset-bottom)}
nav.bottom button{flex:1;min-height:60px;border:0;background:none;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;font-size:12px;color:var(--muted)}
nav.bottom button.on{color:var(--navy);font-weight:700}
nav.bottom svg{width:22px;height:22px}

/* sheet */
.sheet-bg{position:fixed;inset:0;background:rgba(15,23,35,.5);z-index:40;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:720px;max-height:92vh;overflow:auto;border-radius:18px 18px 0 0;
  padding:16px 16px calc(20px + env(safe-area-inset-bottom))}
.sheet h3{margin:0 0 4px;font-size:18px;color:var(--navy)}
.sheet .actions{display:flex;gap:10px;margin-top:16px}
.sheet .actions .btn{flex:1}
#toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:#1B2430;color:#fff;padding:10px 16px;border-radius:10px;z-index:60;max-width:90vw;display:none}
#toast.show{display:block} #toast.err{background:var(--red)}

/* login */
.login{max-width:420px;margin:0 auto;padding:calc(40px + env(safe-area-inset-top)) 20px}
.login .logo-big{width:72px;height:72px;border-radius:18px;background:var(--navy);color:var(--amber);
  display:grid;place-items:center;font-weight:800;font-size:28px;margin:0 auto 12px}
.login h1{text-align:center;margin:0;color:var(--navy);font-size:22px}
.login p{text-align:center;color:var(--muted);margin:4px 0 20px}
.empty{text-align:center;color:var(--muted);padding:28px 10px}
table.audit{width:100%;border-collapse:collapse;font-size:13px}