:root {
  --ink: #1c2333;
  --muted: #67718a;
  --line: #dfe3ec;
  --bg: #f4f6fa;
  --card: #ffffff;
  --accent: #1f5eff;
  --accent-dark: #1747bf;
  --ok: #0f8a4b;
  --warn: #b57a00;
  --bad: #c0392b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.topbar { background: #10182b; color: #fff; }
.topbar .wrap { display: flex; align-items: center; gap: 18px; min-height: 56px; }
.brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 17px; margin-right: auto; }
.topbar nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar nav a { color: #c9d4ef; text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: #fff; }
.topbar .who { color: #8fa3cf; font-size: 13px; padding-left: 10px; border-left: 1px solid #33405e; }
main { padding: 26px 20px 40px; }
h1 { font-size: 24px; margin: 6px 0 18px; }
h2 { font-size: 17px; margin: 26px 0 10px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 18px;
}
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.stat { text-align: center; }
.stat .num { font-size: 30px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { background: #eef1f7; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%;
  max-width: 420px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
textarea { min-height: 70px; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 14px;
}
.btn:hover { background: var(--accent-dark); }
.btn.small { padding: 5px 12px; font-size: 13px; margin-top: 0; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.danger { background: var(--bad); }
.btn-link { color: #ffb4a8 !important; }
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash.success { background: #e2f6ea; color: var(--ok); border: 1px solid #b5e5cb; }
.flash.error { background: #fdeceb; color: var(--bad); border: 1px solid #f5c6c1; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.b-pending, .b-assigned { background: #fff3d6; color: var(--warn); }
.b-approved, .b-active, .b-available { background: #e2f6ea; color: var(--ok); }
.b-rejected, .b-revoked, .b-suspended { background: #fdeceb; color: var(--bad); }
.b-redeemed { background: #e7ecfb; color: var(--accent-dark); }
.code { font-family: Consolas, monospace; font-weight: 600; letter-spacing: .05em; }
.auth-box { max-width: 380px; margin: 60px auto; }
.auth-box input { max-width: 100%; }
.muted { color: var(--muted); font-size: 13px; }
.foot { color: var(--muted); font-size: 12px; padding: 20px; text-align: center; }
.actions form { display: inline; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input { max-width: 240px; }
@media print {
  .topbar, .btn, .toolbar, .foot { display: none !important; }
}