:root {
  --bg: #0a0d0b;
  --surface: #111613;
  --surface-2: #171d19;
  --border: #232b26;
  --text: #e9efeb;
  --muted: #8b968f;
  --green: #4ef06a;
  --green-dim: rgba(78, 240, 106, 0.12);
  --purple: #a78bfa;
  --purple-dim: rgba(167, 139, 250, 0.14);
  --warn: #f0b44e;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- header ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
}
.logo {
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.logo .logo-mark { color: var(--green); margin-right: 6px; }
.logo .dim { color: var(--muted); font-weight: 400; }
.header-right { display: flex; align-items: center; gap: 14px; }

/* ---------- layout ---------- */
.wrap { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.center-card {
  max-width: 440px;
  margin: 10vh auto 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}
.tab-card { min-height: 260px; }

h1 { font-size: 26px; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: 20px; margin: 0 0 12px; letter-spacing: -0.01em; }

.muted { color: var(--muted); margin: 0; }
.small { font-size: 13px; }
.warn { color: var(--warn); }
.link { color: var(--green); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 10px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }
.btn.primary { background: var(--green); color: #08110a; }
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.small-btn { padding: 7px 14px; font-size: 13px; }

/* ---------- badges ---------- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.badge-scanner { background: var(--green-dim); color: var(--green); }
.badge-autopilot { background: var(--purple-dim); color: var(--purple); }

.days-left { white-space: nowrap; }

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 10px 18px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--green); border-bottom-color: var(--green); }
.tab .lock { margin-left: 6px; font-size: 12px; }

/* ---------- misc ---------- */
.upgrade-card { text-align: left; }
.upgrade-card .btn { margin-top: 16px; }
.tg-widget { min-height: 48px; }

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .wrap { padding: 20px 14px; }
  .card { padding: 22px; }
  .header-right { gap: 8px; }
  .days-left { display: none; }
}