:root{
  --zambia-green:#1A7A35;
  --zambia-green-light:#28A745;
  --zambia-dark:#0E4D1F;
  --zambia-orange:#E67E22;
  --zambia-red:#C0392B;
  --zambia-grad:linear-gradient(135deg,#0E5A1B 0%,#1E8B3A 50%,#0A3D14 100%);
  --ink:#111827;
  --muted:#6B7280;
  --line:#E5E7EB;
  --bg:#f1f5f9;
  --card:#ffffff;
  --shadow-soft:0 10px 24px rgba(15,23,42,0.05);
  --shadow:0 18px 38px rgba(15,23,42,0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;font-size:15px}
a{color:var(--zambia-green);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:960px;margin:0 auto;padding:32px 20px}
.wrap-sm{max-width:520px}


.topbar{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 3px rgba(15,23,42,.04)}
.topbar-inner{max-width:1100px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;color:var(--zambia-dark);letter-spacing:-.3px;font-size:16px}
.brand span{color:var(--zambia-orange)}


.hero{background:var(--zambia-grad);color:#fff;padding:56px 20px 64px;
  text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-80px;right:-40px;width:280px;height:280px;
  background:rgba(255,255,255,.05);border-radius:50%;pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-100px;left:-60px;width:220px;height:220px;
  background:rgba(230,126,34,.12);border-radius:50%;pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:900px;margin:0 auto}
.hero h1{margin:0 0 8px;font-size:30px;letter-spacing:-.6px;font-weight:800}
.hero p{margin:0;opacity:.9;font-size:14px}


.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:22px;margin-top:-40px;position:relative;z-index:2}
.card{background:var(--card);border-radius:18px;padding:28px 24px;
  box-shadow:var(--shadow);border:1px solid var(--line);
  transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 46px rgba(15,23,42,.14)}
.card .icon{width:56px;height:56px;border-radius:14px;display:flex;
  align-items:center;justify-content:center;font-size:26px;color:#fff;margin-bottom:18px}
.icon.admin{background:linear-gradient(135deg,#0E5A1B,#1A7A35)}
.icon.teacher{background:linear-gradient(135deg,#1A7A35,#28A745)}
.icon.student{background:linear-gradient(135deg,#B45309,#E67E22)}
.card h3{margin:0 0 8px;font-size:18px;color:var(--zambia-dark);font-weight:700}
.card p{margin:0 0 20px;color:var(--muted);font-size:13px;line-height:1.55;flex:1}


.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:11px 18px;border-radius:10px;background:var(--zambia-green);color:#fff;
  font-weight:600;font-size:14px;border:none;cursor:pointer;text-align:center;
  text-decoration:none;transition:all .2s;line-height:1.4}
.btn:hover{background:var(--zambia-green-light);text-decoration:none;color:#fff;
  transform:translateY(-1px)}
.btn.block{display:flex;width:100%}
.btn.orange{background:var(--zambia-orange)}
.btn.orange:hover{background:#B45309}
.btn.red{background:var(--zambia-red)}
.btn.red:hover{background:#B91C1C}
.btn.ghost{background:transparent;color:var(--zambia-green);border:1.5px solid var(--zambia-green)}
.btn.ghost:hover{background:rgba(26,122,53,.08);color:var(--zambia-green)}


.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:28px;box-shadow:var(--shadow-soft)}
.panel h2{margin:0 0 8px;font-size:20px;color:var(--zambia-dark);font-weight:700}
.panel .sub{margin:0 0 22px;color:var(--muted);font-size:13px}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#374151}
.field input,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:10px;font-size:15px;background:#fff;outline:none;font-family:inherit;
  transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus{border-color:var(--zambia-green);
  box-shadow:0 0 0 3px rgba(26,122,53,.15)}

.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert.err{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}
.alert.ok{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}

.muted{color:var(--muted);font-size:13px}
.text-center{text-align:center}
.mt-4{margin-top:24px}
.foot{text-align:center;padding:28px;color:var(--muted);font-size:12px}


.chip{display:inline-flex;align-items:center;gap:.3rem;padding:3px 10px;border-radius:20px;
  font-size:.72rem;font-weight:600}
.chip.ok{background:rgba(26,122,53,.1);color:var(--zambia-dark)}


.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;
  transition:transform .2s,box-shadow .2s}
.stat:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(15,23,42,.06)}
.stat .label{font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;
  color:var(--muted);font-weight:700;margin-bottom:6px}
.stat .value{font-size:1.5rem;font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(135deg,#1A7A35 0%,#E67E22 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat .hint{font-size:.72rem;color:var(--muted);margin-top:4px}

@media (max-width:640px){
  .hero{padding:40px 20px 56px}
  .hero h1{font-size:23px}
  .cards{margin-top:-30px;gap:16px}
  .card{padding:22px 18px}
}