/* ============================================================
   Admin panel — shares the atlas colour language
   ============================================================ */
:root{
  --bg:#eef2f7; --panel:#fff; --ink:#1b2a41; --muted:#6b7a90; --line:#e6ecf5;
  --brand:#7209b7; --brand2:#0077b6; --accent:#e63946; --good:#2a9d8f; --warn:#e9a020;
  --shadow:0 6px 20px rgba(23,42,73,.08); --radius:14px;
  --no2:#e2572b; --so2:#d4a017; --co:#5b6b79; --ch4:#2e9e5b;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;color:var(--ink);
  background:radial-gradient(1200px 500px at 100% -10%,#e7dcff55,transparent),
             radial-gradient(1000px 500px at -10% 110%,#cdeeff55,transparent),var(--bg);
  min-height:100vh;line-height:1.55}

/* ---- top bar ---- */
.topbar{display:flex;align-items:center;gap:14px;padding:0 20px;height:56px;
  background:linear-gradient(90deg,#2a0a52,#5a189a 45%,#0077b6);color:#fff;box-shadow:var(--shadow)}
.logo{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;
  background:#fff;color:var(--brand);font-size:13px}
.topbar h1{font-size:15px;margin:0;font-weight:800}
.topbar .sub{font-size:11px;opacity:.8;margin:0}
.topbar nav{margin-left:auto;display:flex;gap:8px;align-items:center}
.topbar nav a{color:#fff;background:rgba(255,255,255,.16);padding:7px 12px;border-radius:9px;
  font-size:12.5px;font-weight:600;text-decoration:none;white-space:nowrap}
.topbar nav a:hover{background:rgba(255,255,255,.3)}
.topbar nav a.on{background:#fff;color:var(--brand)}

.wrap{max-width:1060px;margin:0 auto;padding:22px 20px 60px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);margin-bottom:18px}
.card h2{font-size:17px;margin:0 0 4px;color:var(--brand)}
.card .hint{font-size:12.5px;color:var(--muted);margin:0 0 14px}

/* ---- alerts ---- */
.alert{border-radius:10px;padding:11px 14px;font-size:13.5px;margin-bottom:14px;border-left:4px solid}
.alert.ok{background:#e8f7f3;border-color:var(--good);color:#14614f}
.alert.err{background:#fdecee;border-color:var(--accent);color:#8c1622}
.alert.warn{background:#fdf5e3;border-color:var(--warn);color:#7a5407}
.alert.info{background:#eef4fd;border-color:var(--brand2);color:#0a4a70}
.alert b{font-weight:700}

/* ---- forms ---- */
label.fl{display:block;font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.4px;color:var(--muted);margin-bottom:5px}
input[type=text],input[type=email],input[type=password],select,input[type=file]{
  width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:14px;
  color:var(--ink);background:#fff;font-family:inherit}
input:focus,select:focus{outline:2px solid #d9c7f5;border-color:var(--brand)}
.row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.row>div{flex:1 1 220px}
.btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:0;
  padding:11px 20px;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer;
  font-family:inherit;box-shadow:0 3px 10px rgba(114,9,183,.25)}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:#f4f1fb;color:var(--brand);border:1px solid #ddd0f3;box-shadow:none}

/* ---- gas picker ---- */
.gasgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:6px}
.gas{position:relative;border:2px solid var(--line);border-radius:12px;padding:13px 14px;cursor:pointer;
  background:#fff;transition:.15s;display:block}
.gas input{position:absolute;opacity:0;pointer-events:none}
.gas .f{font-size:20px;font-weight:800;line-height:1.1}
.gas .n{font-size:11.5px;color:var(--muted);font-weight:600}
.gas .dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px;vertical-align:1px}
.gas:hover{border-color:#c9b6ea}
.gas.sel{border-color:currentColor;box-shadow:0 4px 14px rgba(23,42,73,.13)}
.gas.sel .f{color:currentColor}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:11px;margin-bottom:4px}
.stat{border-radius:12px;padding:13px 15px;color:#fff}
.stat .k{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;opacity:.92}
.stat .v{font-size:25px;font-weight:800;line-height:1.15}
.stat .s{font-size:11.5px;opacity:.95}
.stat.no2{background:linear-gradient(135deg,#e2572b,#b23a13)}
.stat.so2{background:linear-gradient(135deg,#d4a017,#8c6b0a)}
.stat.co{background:linear-gradient(135deg,#5b6b79,#2f3640)}
.stat.ch4{background:linear-gradient(135deg,#2e9e5b,#146c38)}
.stat.gen{background:linear-gradient(135deg,#7209b7,#560bad)}

/* ---- table ---- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{font-size:10.5px;text-transform:uppercase;letter-spacing:.3px;color:var(--muted);font-weight:700}
td.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#f8fafd}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:800;color:#fff}

/* ---- login ---- */
.loginwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.loginbox{background:#fff;border-radius:18px;box-shadow:0 24px 60px rgba(23,42,73,.22);
  width:min(420px,100%);padding:32px 30px}
.loginbox .brand{display:flex;align-items:center;gap:11px;margin-bottom:6px}
.loginbox .brand .logo{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.loginbox h1{font-size:19px;margin:0;font-weight:800}
.loginbox p.sub{font-size:12.5px;color:var(--muted);margin:0 0 20px}
.loginbox .field{margin-bottom:14px}
.loginbox .btn{width:100%;margin-top:6px}
.backlink{display:block;text-align:center;margin-top:16px;font-size:12.5px;color:var(--muted);text-decoration:none}
.backlink:hover{color:var(--brand)}

.muted{color:var(--muted)}
.small{font-size:12px}
code{background:#f3f0fb;color:var(--brand);padding:1px 6px;border-radius:5px;font-size:12.5px}
.progress{display:none;margin-top:14px;font-size:13px;color:var(--brand);font-weight:600}
.progress.on{display:flex;align-items:center;gap:10px}
.spin{width:18px;height:18px;border-radius:50%;border:3px solid #dfd3f5;border-top-color:var(--brand);
  animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}