:root{
  --bg:#0b1220;
  --fg:#e8eefc;
  --muted:rgba(255,255,255,0.75);
  --card:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.12);
  --border2:rgba(255,255,255,0.18);
  --btnbg:rgba(255,255,255,0.08);
  --btnbd:rgba(255,255,255,0.22);
  --primarybg:rgba(72,112,255,0.35);
  --primarybd:rgba(72,112,255,0.90);
  --dangerbg:rgba(255,72,72,0.22);
  --dangerbd:rgba(255,72,72,0.85);
  font-family:
    system-ui, -apple-system, "Segoe UI", Roboto, Arial,
    "Noto Sans", "DejaVu Sans", "Segoe UI Symbol", sans-serif;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
}

.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:24px;
}

/* Header */
.header h1{
  margin:0 0 8px;
  font-size:44px;
  letter-spacing:-0.5px;
}
.header p{
  margin:0 0 18px;
  opacity:0.85;
  font-size:18px;
}

/* Cards / grid */
.grid{
  display:grid;
  gap:18px;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}

/* Plan tiles */
.plan{ display:flex; flex-direction:column; gap:10px; }
.plan-name{ font-size:22px; font-weight:800; }
.plan-price{ font-size:40px; font-weight:900; }
.plan-meta{ display:flex; gap:10px; flex-wrap:wrap; opacity:0.92; }
.plan-meta span{
  background:rgba(255,255,255,0.10);
  padding:6px 10px;
  border-radius:12px;
  font-size:14px;
}

/* Buttons */
.btn{
  border:1px solid var(--btnbd);
  background:var(--btnbg);
  color:var(--fg);
  padding:12px 14px;
  border-radius:14px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:800;
}
.btn.primary{
  background:var(--primarybg);
  border-color:var(--primarybd);
}
.btn.danger{
  background:var(--dangerbg);
  border-color:var(--dangerbd);
}
.btn:hover{ filter:brightness(1.15); }

.actions{
  display:flex;
  gap:12px;
  margin-top:12px;
  flex-wrap:wrap;
}
.top-actions{
  margin:0 0 18px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* QR */
.qrbox{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:18px;
}
.qr{
  width:min(420px, 92vw);
  background:#fff;
  border-radius:14px;
  padding:10px;
}
.countdown{
  opacity:0.92;
  font-size:18px;
  font-weight:900;
}
.subtle{
  opacity:0.75;
  font-size:14px;
}
.note{
  opacity:0.92;
  margin-top:8px;
}

/* Success / warn blocks */
.success, .warn{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}
.voucher{
  margin:14px 0;
  display:grid;
  gap:10px;
  font-size:22px;
}
.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background:rgba(255,255,255,0.10);
  padding:3px 10px;
  border-radius:12px;
}

/* Error message */
.error{
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,72,72,0.55);
  background:rgba(255,72,72,0.14);
}

/* Modal */
.modal-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.62);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:9999;
}
.modal{
  width:min(520px, 92vw);
  background:rgba(18,26,43,0.96);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:18px;
  padding:18px;
  box-shadow:0 20px 60px rgba(0,0,0,0.45);
}
.modal h2{ margin:0 0 8px; font-size:28px; }
.modal p{ margin:0 0 14px; opacity:0.92; }
.modal-actions{ display:flex; gap:12px; flex-wrap:wrap; }

/* Retrieve page */
.retrieve-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}
.biginput{
  font-size:28px;
  letter-spacing:4px;
  text-transform:uppercase;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--border2);
  background:rgba(0,0,0,0.20);
  color:var(--fg);
  width:260px;
}

.keypad{
  display:grid;
  grid-template-columns:repeat(6, minmax(0, 1fr));
  gap:10px;
}
.key{
  font-size:18px;
  padding:14px 0;
  border-radius:14px;
  border:1px solid var(--border2);
  background:var(--btnbg);
  color:var(--fg);
  font-weight:900;
  cursor:pointer;
}
.key:hover{ filter:brightness(1.15); }
.keypad-actions{
  display:flex;
  gap:12px;
  margin-top:12px;
  flex-wrap:wrap;
}

/* Admin UI */
.table{
  width:100%;
  border-collapse:collapse;
  background:rgba(255,255,255,0.04);
  border-radius:16px;
  overflow:hidden;
}
.table th,.table td{
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,0.10);
  text-align:left;
  vertical-align:top;
}
.table th{
  background:rgba(255,255,255,0.06);
  font-weight:900;
}
.table tr:hover td{ background:rgba(255,255,255,0.04); }

.form{
  display:grid;
  gap:10px;
  max-width:560px;
}
label{ font-weight:900; opacity:0.95; }
input, select, textarea{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border2);
  background:rgba(0,0,0,0.20);
  color:var(--fg);
  outline:none;
}
input:focus, select:focus, textarea:focus{
  border-color:var(--primarybd);
}

/* Print */
@media print{
  body{ background:#fff; color:#000; }
  .wrap{ max-width:100%; }
  .noprint{ display:none !important; }
  .mono{ background:#eee; color:#000; }
}