:root {
  --navy: #111827;
  --accent: #2563eb;
  --bg: #f7f8fb;
  --card: #ffffff;
  --border: #e5e7eb;
  --muted: #6b7280;
  --good: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--navy);
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 24px 16px 64px; }
.narrow { max-width: 420px; margin: 64px auto; padding: 0 16px; }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { margin: 0 0 8px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; background: var(--navy); color: #fff;
}
.topbar a { color: #fff; }
.topbar .brand { font-weight: 700; letter-spacing: 0.3px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; margin-bottom: 16px; overflow-x: auto;
}
.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: 720px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
}
.stat { text-align: center; }
.stat .num { font-size: 28px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 10px 18px; border-radius: 8px; font-size: 15px; cursor: pointer;
}
.btn.secondary { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn.block { width: 100%; }
input, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 15px; margin-bottom: 12px;
}
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge.active { background: #dcfce7; color: var(--good); }
.badge.paused { background: #fef3c7; color: #92400e; }
.badge.churned { background: #fee2e2; color: #991b1b; }
.error { background: #fee2e2; color: #991b1b; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.muted { color: var(--muted); font-size: 13px; }

/* Spin page (customer-facing) */
.spin-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.spin-card {
  background: #fff; border-radius: 20px; padding: 36px 28px; max-width: 380px; width: 100%;
  text-align: center; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}
.wheel {
  width: 220px; height: 220px; margin: 24px auto; border-radius: 50%;
  border: 10px solid var(--navy); display: flex; align-items: center; justify-content: center;
  font-size: 48px; background: conic-gradient(var(--accent) 0 25%, #fff 0 50%, var(--accent) 0 75%, #fff 0 100%);
  transition: transform 3s cubic-bezier(.17,.67,.16,.99);
}
.reward-banner {
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
  border-radius: 12px; padding: 16px; font-size: 20px; font-weight: 700; margin: 16px 0;
}
.qr-cell img { width: 90px; height: 90px; }