:root {
  --bg: #0f1115;
  --card: #1b1f24;
  --card2: #23272c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e9ecef;
  --muted: #adb5bd;
  --primary: #ae3ec9;
  --primary-hover: #9c36b5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
}

a { color: #c77dff; }

.container {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  background: rgba(27, 31, 36, 0.9);
}

.brand-title { font-weight: 700; font-size: 1.1rem; }
.brand-sub { color: var(--muted); font-size: 0.85rem; }

.nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.glass-card,
.card {
  background: rgba(35, 39, 44, 0.92);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}

.hero {
  text-align: center;
  padding: 2rem 1rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, rgba(174, 62, 201, 0.12), transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.hero h1 { margin: 0 0 0.5rem; font-size: clamp(1.6rem, 4vw, 2.2rem); }
.hero p { color: var(--muted); margin: 0 auto; max-width: 640px; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.plan-card {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plan-price { font-size: 1.75rem; font-weight: 700; color: #fff; }
.plan-name { color: var(--muted); }

.row { display: flex; flex-wrap: wrap; gap: 1rem; }
.col-12 { width: 100%; }
.col-6 { width: calc(50% - 0.5rem); }
@media (max-width: 768px) { .col-6 { width: 100%; } }

.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.form-control,
.form-select,
textarea.form-control {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #15181c;
  color: var(--text);
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-outline-secondary,
.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.85rem; }
.w-100 { width: 100%; }

.alert {
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

.alert-success { background: rgba(47, 158, 68, 0.15); border: 1px solid rgba(47, 158, 68, 0.35); }
.alert-warning { background: rgba(240, 140, 0, 0.12); border: 1px solid rgba(240, 140, 0, 0.35); }
.alert-danger { background: rgba(250, 82, 82, 0.12); border: 1px solid rgba(250, 82, 82, 0.35); }

.text-secondary { color: var(--muted); }
.small { font-size: 0.85rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.h3, .h4, .h5 { margin-top: 0; }

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { padding: 0.5rem; border-bottom: 1px solid var(--border); text-align: left; }

.input-group { display: flex; gap: 0.5rem; }
.input-group .form-control { flex: 1; }

.qr-img {
  max-width: 200px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px;
}

.checkout-panel h2 { margin-top: 0; }