:root{
  --bg:#f6f8ff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --primary:#2563eb;
  --primary2:#7c3aed;
  --danger:#e11d48;
  --success:#16a34a;
  --ring:rgba(37,99,235,.18);
  --border:rgba(15,23,42,.10);
  --shadow:0 16px 40px rgba(15,23,42,.08);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"Noto Sans Bengali",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 15% -10%, rgba(124,58,237,.16), transparent 60%),
    radial-gradient(900px 520px at 105% 10%, rgba(37,99,235,.16), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.75);
  border-bottom:1px solid var(--border);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  box-shadow:0 14px 30px rgba(37,99,235,.18);
  font-weight:800;
  color:#fff;
}
.brand__text{font-weight:700}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav__link{padding:10px 10px;border-radius:12px;color:var(--muted)}
.nav__link:hover{background:rgba(37,99,235,.08);color:var(--text)}

.main{padding:28px 0 40px}
.page{
  display:grid;
  gap: 14px;
}
.page-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
}
.page-title{
  margin:0;
  font-size:22px;
  line-height:1.25;
  font-weight:900;
  letter-spacing:-.2px;
}
.page-subtitle{
  margin:6px 0 0;
  color:var(--muted);
  line-height:1.55;
}
.card-pad{padding:18px}
.stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}
.stat{
  padding:14px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:rgba(255,255,255,.9);
}
.stat__label{color:var(--muted);font-weight:700;font-size:13px}
.stat__value{margin-top:6px;font-size:20px;font-weight:900}
.stat__meta{margin-top:4px;color:var(--muted);font-size:12px}

.two-col{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  align-items:start;
}
.list{
  display:grid;
  gap: 10px;
}
.list-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.9);
}
.list-item__title{font-weight:900}
.list-item__meta{color:var(--muted);font-size:12px;margin-top:2px}
.badge{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  font-weight:800;
  font-size:12px;
  border:1px solid var(--border);
  background:#fff;
}
.badge--ok{border-color:rgba(22,163,74,.25);background:rgba(22,163,74,.08);color:#065f46}
.badge--warn{border-color:rgba(234,179,8,.30);background:rgba(234,179,8,.12);color:#854d0e}
.badge--info{border-color:rgba(37,99,235,.25);background:rgba(37,99,235,.10);color:#1e3a8a}
.badge--bad{border-color:rgba(225,29,72,.25);background:rgba(225,29,72,.10);color:#9f1239}

.btn--sm{padding:9px 12px;border-radius:12px;font-weight:800}
.btn--danger{
  border:none;
  background:linear-gradient(135deg,#fb7185,#e11d48);
  color:#fff;
}
.admin-shell{
  display:grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
  align-items:start;
}
.sidebar{
  position:sticky;
  top: 84px;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow);
}
.sidebar__title{
  font-weight: 800;
  margin: 2px 0 10px;
}
.sidebar__sep{
  height: 1px;
  background: rgba(15,23,42,.08);
  margin: 10px 0;
}
.side-link{
  display:block;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
.side-link__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.side-badge{
  min-width: 22px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  font-size: 12px;
  color: #fff;
  background: linear-gradient(135deg, #fb7185, #e11d48);
  box-shadow: 0 10px 22px rgba(225,29,72,.18);
}
.side-link:hover{
  background: rgba(37,99,235,.08);
  color: var(--text);
  border-color: rgba(37,99,235,.14);
}
.content{
  min-width: 0;
}
.hero{
  display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch;
}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,1), rgba(255,255,255,.92));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero__left{padding:22px}
.hero__right{padding:22px}
.kicker{color:var(--muted);font-weight:600;letter-spacing:.2px}
h1{margin:.25rem 0 0;font-size:32px;line-height:1.2}
.lead{color:var(--muted);margin:12px 0 0;line-height:1.6}
.hero__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.pillrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pill{
  padding:10px 12px;border-radius:999px;
  border:1px solid var(--border);
  background:rgba(15,23,42,.03);
  color:var(--muted);
  font-size:14px;
}
.grid{
  display:grid;gap:12px;margin-top:16px;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.feature{padding:14px}
.feature__title{font-weight:700;margin:0 0 6px}
.feature__desc{margin:0;color:var(--muted);line-height:1.5;font-size:14px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:14px;
  border:1px solid var(--border);
  background:rgba(37,99,235,.06);
  color:var(--muted);
}
.tag b{color:var(--text)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:14px;padding:11px 14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.btn:hover{transform:translateY(-1px);transition:.15s ease;box-shadow:0 10px 20px rgba(15,23,42,.08)}
.btn--primary{
  border:none;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;
  box-shadow:0 18px 40px rgba(37,99,235,.22);
}
.btn--ghost{background:transparent}

.section{margin-top:18px}
.section__title{font-weight:800;margin:0 0 10px;font-size:18px}

.form{display:grid;gap:10px}
.input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  outline:none;
}
.input:focus{border-color:rgba(91,140,255,.55);box-shadow:0 0 0 4px var(--ring)}
.label{font-size:14px;color:var(--muted);font-weight:600}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.helper{font-size:13px;color:var(--muted);line-height:1.45}

.alert{
  border-radius:14px;
  padding:12px 12px;
  border:1px solid var(--border);
  background:#fff;
}
.alert--danger{border-color:rgba(225,29,72,.25);background:rgba(225,29,72,.06)}
.alert--success{border-color:rgba(22,163,74,.25);background:rgba(22,163,74,.06)}
.muted{color:var(--muted)}
.spacer{height:10px}

.footer{border-top:1px solid var(--border);background:rgba(255,255,255,.7)}
.footer__inner{padding:16px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  h1{font-size:28px}
  .admin-shell{grid-template-columns:1fr}
  .sidebar{position:relative; top:auto}
  .stats{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
}