:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #20242d;
  --text: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #f7931a; /* Bitcoin orange */
  --accent-2: #4f8cff;
  --ok: #2ecc71;
  --err: #ff5d5d;
  --border: #2a2f3a;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1b2030 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); font-size: 1.1rem; }
.topbar nav { display: flex; align-items: center; gap: 16px; }
.inline { display: inline; margin: 0; }

.container { width: 100%; max-width: 920px; margin: 0 auto; padding: 32px 24px; flex: 1; }

.hero { text-align: center; padding: 40px 0 24px; }
.hero h1 { font-size: 2.4rem; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 560px; margin: 0 auto 24px; }
.cta { display: flex; gap: 12px; justify-content: center; }

.pricing h2, .account h2 { margin-top: 36px; }

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.tier-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}
.tier-card.buy { display: flex; flex-direction: column; gap: 10px; }
.tier-name { font-size: 1.1rem; color: var(--muted); }
.tier-price { font-size: 1.8rem; font-weight: 700; margin: 6px 0; color: var(--accent); }
.tier-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #1a1300;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  padding: 11px 18px;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-sm { background: var(--surface-2); padding: 6px 12px; border-radius: 8px; color: var(--text); }
button.link { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1rem; }
button.link:hover { color: var(--text); }

.auth, .account { max-width: 520px; margin: 0 auto; }
.account { max-width: 760px; }
.form { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.form label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 0.95rem; }
.form input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  color: var(--text);
  font-size: 1rem;
}
.form input:focus { outline: 2px solid var(--accent-2); border-color: transparent; }

.note { color: var(--muted); font-size: 0.9rem; }

.alert { padding: 12px 16px; border-radius: 10px; margin: 16px 0; }
.alert.error { background: rgba(255, 93, 93, 0.12); border: 1px solid var(--err); color: #ffb3b3; }
.alert.info { background: rgba(79, 140, 255, 0.12); border: 1px solid var(--accent-2); color: #bcd2ff; }

.status-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin: 16px 0;
}
.status-card.active { border-color: var(--ok); }
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--surface-2);
  margin-bottom: 8px;
}
.status-card.active .status-badge { background: rgba(46, 204, 113, 0.15); color: var(--ok); }
.expiry { font-size: 1.3rem; font-weight: 700; }

.creds {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 16px 0;
}
code {
  background: #0c0e12;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.invoices { width: 100%; border-collapse: collapse; margin-top: 12px; }
.invoices th, .invoices td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.invoices th { color: var(--muted); font-weight: 600; }
.pill { padding: 3px 10px; border-radius: 999px; background: var(--surface-2); font-size: 0.8rem; }
.pill.ok { background: rgba(46, 204, 113, 0.15); color: var(--ok); }

.footer { border-top: 1px solid var(--border); padding: 18px 24px; text-align: center; color: var(--muted); font-size: 0.85rem; }