:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
}

* { box-sizing: border-box; }

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

.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}
.brand { font-weight: 700; font-size: 1.2rem; color: var(--primary); text-decoration: none; }

.container {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

h1 { font-size: 1.5rem; margin-top: 0; }
h2 { font-size: 1.15rem; }
p.subtitle { color: var(--muted); margin-top: -8px; }

label { display: block; font-weight: 600; margin: 18px 0 6px; font-size: 0.9rem; }
input[type=text], input[type=email], input[type=url], input[type=file], input[type=password] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
.hint { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }

.platform-choice { display: flex; gap: 10px; margin-top: 6px; }
.platform-choice label {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 500;
  margin: 0;
  cursor: pointer;
  flex: 1;
  text-align: center;
}
.platform-choice input { display: none; }
.platform-choice .disabled { color: var(--muted); background: #f1f5f9; cursor: not-allowed; }

button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 8px;
}
button:hover, .btn:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f1f5f9; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); }

.error { background: #fef2f2; border: 1px solid #fecaca; color: var(--danger); padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-muted { background: #f1f5f9; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.actions form { display: inline; }
.actions button { padding: 6px 10px; font-size: 0.82rem; margin: 2px; }

.pay-row { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
#paypal-buttons { max-width: 260px; margin-top: 12px; }

.status-box { text-align: center; padding: 24px 0; }
.status-box .big { font-size: 2.2rem; font-weight: 700; }