/* ============================================================
 *  assets/css/app.css  —  Braintechnosoft SaaS premium theme
 *  100% self-hosted. No CDN, no external fonts required.
 *  System fonts use hote hain (fast + offline).
 * ============================================================ */

:root{
  --bg:#0b1120;
  --bg-soft:#0f172a;
  --card:#161e2e;
  --card-2:#1c2538;
  --border:#26304a;
  --text:#e6ebf5;
  --muted:#8b97b0;
  --primary:#6366f1;
  --primary-2:#818cf8;
  --primary-soft:rgba(99,102,241,.14);
  --green:#22c55e;
  --green-soft:rgba(34,197,94,.14);
  --amber:#f59e0b;
  --amber-soft:rgba(245,158,11,.14);
  --red:#ef4444;
  --red-soft:rgba(239,68,68,.14);
  --radius:14px;
  --shadow:0 10px 40px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(99,102,241,.10),transparent),var(--bg);
  color:var(--text);
  font-size:14.5px;
  line-height:1.55;
  min-height:100vh;
}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex-shrink:0;background:var(--bg-soft);
  border-right:1px solid var(--border);padding:22px 16px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;padding:0 6px}
.brand-logo{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:18px;
}
.brand-name{font-weight:700;font-size:16px;letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--muted)}

.nav-group{margin-bottom:6px}
.nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);padding:14px 10px 6px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-weight:500;margin-bottom:2px;transition:.15s;
}
.nav-item:hover{background:var(--card);color:var(--text);text-decoration:none}
.nav-item.active{background:var(--primary-soft);color:var(--primary-2)}
.nav-item .ic{width:18px;text-align:center;font-size:15px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:64px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 26px;background:rgba(15,23,42,.6);backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:20;
}
.topbar h1{font-size:17px;margin:0;font-weight:650}
.content{padding:26px;flex:1}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-head h3{margin:0;font-size:15px;font-weight:650}

/* Stat card */
.stat{position:relative;overflow:hidden}
.stat .label{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.stat .value{font-size:26px;font-weight:750;letter-spacing:-.5px}
.stat .ic{
  position:absolute;right:16px;top:16px;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:20px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  border:1px solid var(--border);background:var(--card-2);color:var(--text);
  padding:9px 16px;border-radius:10px;font-size:13.5px;font-weight:600;
  transition:.15s;text-decoration:none;
}
.btn:hover{border-color:var(--primary);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));border:none;color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-danger{background:var(--red-soft);border-color:transparent;color:#fda4a4}
.btn-success{background:var(--green-soft);border-color:transparent;color:#86efac}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn-block{width:100%;justify-content:center}

/* ---------- Forms ---------- */
.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.input,select,textarea{
  width:100%;background:var(--bg-soft);border:1px solid var(--border);
  color:var(--text);padding:10px 13px;border-radius:10px;font-size:14px;font-family:inherit;
}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th{
  text-align:left;padding:11px 14px;color:var(--muted);font-weight:600;font-size:11.5px;
  text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);
}
table.data td{padding:13px 14px;border-bottom:1px solid var(--border)}
table.data tr:hover td{background:var(--card-2)}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge-green{background:var(--green-soft);color:#86efac}
.badge-amber{background:var(--amber-soft);color:#fcd34d}
.badge-red{background:var(--red-soft);color:#fca5a5}
.badge-indigo{background:var(--primary-soft);color:var(--primary-2)}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:13.5px;font-weight:500}
.alert-success{background:var(--green-soft);color:#86efac}
.alert-danger{background:var(--red-soft);color:#fca5a5}

/* ---------- Misc ---------- */
.muted{color:var(--muted)}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.mt-16{margin-top:16px}.mb-0{margin-bottom:0}
.text-right{text-align:right}.text-center{text-align:center}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .big{font-size:40px;margin-bottom:10px;opacity:.6}

/* ---------- Login ---------- */
.auth-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:20px}
.auth-card{width:100%;max-width:400px}
.auth-card .brand{justify-content:center;margin-bottom:22px}

/* ---------- Modal-ish QR box ---------- */
.qr-box{background:#fff;padding:16px;border-radius:14px;display:inline-block}
.qr-box img{display:block;width:220px;height:220px}