:root {
  --bg: #0a0b10;
  --bg2: #12141c;
  --card: #161922;
  --border: #2a2f3d;
  --text: #f2f3f7;
  --muted: #9aa3b5;
  --gold: #f5c518;
  --gold2: #e0a800;
  --purple: #7c5cfc;
  --ok: #22c55e;
  --danger: #ef4444;
  --radius: 14px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Noto Sans Bengali", system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.55; min-height: 100vh;
}
a { color: var(--gold); text-decoration: none; }
.gold { color: var(--gold); }
.hidden { display: none !important; }
.mt-4 { margin-top: 1.25rem; }
.mb-3 { margin-bottom: 0.85rem; }
.text-muted { color: var(--muted); font-size: 0.9rem; }
.loading { text-align: center; color: var(--muted); padding: 20px; }
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.container.narrow { max-width: 480px; }

.gate-loading {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 1rem;
}

/* —— Auth / ad page —— */
.auth-body { background: var(--bg); }
.auth-top {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(10,11,16,0.95); z-index: 20;
}
.logo { font-family: Inter, sans-serif; font-weight: 700; font-size: 1.35rem; color: var(--text); }
.logo span { color: var(--gold); }

.ad-hero {
  padding: 28px 16px 8px; text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(245,197,24,0.12), transparent),
    var(--bg);
}
.ad-images {
  display: flex; justify-content: center; gap: 12px; margin-bottom: 20px;
}
.ad-images img {
  width: 110px; height: 140px; object-fit: cover; border-radius: 14px;
  border: 2px solid rgba(245,197,24,0.4); box-shadow: 0 12px 28px rgba(0,0,0,0.4);
}
.ad-img-2 {
  margin-top: 18px;
  border-color: rgba(255,77,141,0.45) !important;
}
.ad-hero h1 {
  font-size: clamp(1.35rem, 5vw, 1.85rem); line-height: 1.3; margin-bottom: 10px; font-weight: 700;
}
.ad-sub {
  color: var(--muted); font-size: 0.92rem; max-width: 340px; margin: 0 auto 18px; line-height: 1.5;
}
.ad-stats {
  display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 8px;
}
.ad-stats strong {
  display: block; font-family: Inter, sans-serif; font-size: 1.15rem; color: var(--gold);
}
.ad-stats span { font-size: 0.75rem; color: var(--muted); }

.auth-panel {
  width: 100%; max-width: 420px; margin: 12px auto 24px; padding: 0 16px;
}
.auth-tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px;
  background: var(--bg2); padding: 6px; border-radius: 12px; border: 1px solid var(--border);
}
.auth-tab {
  border: none; background: transparent; color: var(--muted); font: inherit; font-weight: 600;
  padding: 12px; border-radius: 8px; cursor: pointer;
}
.auth-tab.active {
  background: var(--gold); color: #1a1200;
}
.auth-hint { color: var(--muted); font-size: 0.88rem; margin-bottom: 14px; line-height: 1.45; }

.form-group { margin-bottom: 14px; width: 100%; }
.form-group label {
  display: block; font-size: 0.85rem; margin-bottom: 6px; color: var(--muted); line-height: 1.4;
}
.form-group .opt { font-weight: 400; opacity: 0.75; }
.form-group input,
.form-group select {
  display: block; width: 100%; max-width: 100%;
  padding: 14px 14px; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; color: var(--text); font: inherit; font-size: 1rem;
  -webkit-appearance: none; appearance: none;
}
.form-group input::placeholder { color: #6b7288; }
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--gold);
}

.check-row {
  display: flex; align-items: flex-start; gap: 10px; margin: 8px 0 16px;
  font-size: 0.9rem; line-height: 1.45; cursor: pointer; color: var(--text);
}
.check-row input {
  width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--gold);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; border-radius: 12px; font: inherit; font-weight: 600;
  border: none; cursor: pointer; transition: 0.15s;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold2)); color: #1a1200;
}
.btn-gold:hover { filter: brightness(1.06); }
.btn-gold:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; padding: 14px; font-size: 1rem; }

.auth-footer {
  text-align: center; color: var(--muted); font-size: 0.8rem; padding: 8px 16px 28px;
}

/* —— Main app shell —— */
.header {
  background: rgba(10,11,16,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 10px;
}
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: 8px 10px; border-radius: 8px; font-size: 0.88rem;
}
.nav a:hover, .nav a.active { color: var(--text); background: var(--bg2); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.user-menu { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--muted); max-width: 140px; }
.user-menu span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.35rem; cursor: pointer; }

.page { display: none; padding: 24px 0 56px; }
.page.active { display: block; }
.section-title { font-size: 1.35rem; margin-bottom: 6px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 22px; font-size: 0.92rem; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
}
.packages-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px;
}
.package-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 14px; text-align: center;
}
.package-card h3 { margin-bottom: 6px; font-size: 1rem; }
.package-card .price {
  font-size: 1.4rem; color: var(--gold); font-family: Inter, sans-serif; font-weight: 700; margin-bottom: 4px;
}
.package-card .slots { color: var(--muted); margin-bottom: 12px; font-size: 0.85rem; }

.wallet-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.wallet-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.wallet-card.bonus { border-color: rgba(124,92,252,0.4); }
.wallet-card.commission { border-color: rgba(245,197,24,0.35); }
.wallet-card .label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
.wallet-card strong { font-size: 1.25rem; font-family: Inter, sans-serif; }

.ledger-item, .ref-item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem;
}
.ref-code-card code {
  font-size: 1.25rem; font-weight: 700; letter-spacing: 1px; color: var(--gold);
  background: var(--bg); padding: 8px 12px; border-radius: 8px; word-break: break-all;
}
.ref-code-row, .ref-link-row {
  display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap;
}
.ref-link-row input {
  flex: 1; min-width: 0; width: 100%; padding: 10px 12px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 0.82rem;
}
.badge {
  display: inline-block; padding: 3px 8px; border-radius: 20px; font-size: 0.72rem; flex-shrink: 0;
}
.badge-pending { background: rgba(245,158,11,0.15); color: #f59e0b; }
.badge-qualified { background: rgba(34,197,94,0.15); color: var(--ok); }
.badge-requested { background: rgba(124,92,252,0.15); color: var(--purple); }
.badge-paid { background: rgba(34,197,94,0.15); color: var(--ok); }
.badge-rejected { background: rgba(239,68,68,0.15); color: var(--danger); }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 12px 18px; border-radius: 12px; z-index: 999; max-width: calc(100% - 32px);
  font-size: 0.9rem; text-align: center; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.toast.success { border-color: var(--ok); }
.toast.error { border-color: var(--danger); }
.toast.hidden { opacity: 0; pointer-events: none; }

.footer {
  border-top: 1px solid var(--border); padding: 16px 0; text-align: center;
  color: var(--muted); font-size: 0.8rem;
}

@media (max-width: 720px) {
  .nav {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    background: var(--card); flex-direction: column; padding: 10px;
    border-bottom: 1px solid var(--border);
  }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .wallet-cards { grid-template-columns: 1fr; }
  .user-menu span { max-width: 90px; }
}
@media (min-width: 480px) {
  .ad-images img { width: 130px; height: 168px; }
}