:root {
  --bg: #0f1115;
  --surface: #171a21;
  --border: #272b35;
  --text: #e6e8eb;
  --muted: #9aa1ac;
  --accent: #6c8cff;
  --danger: #ff6b6b;
  --success: #4fd18b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.navbar .brand { font-weight: 700; }
.navbar nav a { margin-right: 18px; color: var(--muted); }
.navbar nav a.active, .navbar nav a:hover { color: var(--text); }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { opacity: 0.9; text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--danger); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge.paid { background: rgba(79,209,139,0.15); color: var(--success); }
.badge.pending, .badge.awaiting_payment { background: rgba(255,193,7,0.15); color: #ffc107; }
.badge.failed, .badge.refunded, .badge.cancelled { background: rgba(255,107,107,0.15); color: var(--danger); }

form.inline { display: inline; }

input[type=text], input[type=password], input[type=number], input[type=datetime-local], textarea, select {
  width: 100%;
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #10131a;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 12px;
}

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
.login-box { width: 320px; }

.error { color: var(--danger); font-size: 13px; margin-bottom: 10px; }

.tier-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.tier-row span { flex: 1; }