:root {
  --bg: #0f1226;
  --card: #1a1e3a;
  --accent: #6d5dfc;
  --accent-2: #00d4b4;
  --text: #eef0ff;
  --muted: #9aa0c7;
  --danger: #ff6b81;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #20264f 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}
#app { max-width: 480px; margin: 0 auto; padding: 16px; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 8px 0 20px; }
.logo { font-weight: 700; font-size: 1.2rem; }
.pill {
  font-size: .72rem; padding: 4px 10px; border-radius: 999px;
  background: #2a2f5a; color: var(--muted);
}
.pill.ok { background: rgba(0,212,180,.15); color: var(--accent-2); }
.pill.err { background: rgba(255,107,129,.15); color: var(--danger); }
.hero { text-align: center; padding: 12px 0 24px; }
.hero h1 { font-size: 1.9rem; margin: 0 0 8px; }
.hero p { color: var(--muted); margin: 0 0 16px; }
.card {
  background: var(--card); border-radius: 18px; padding: 20px;
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  flex: 1; padding: 10px; border: 0; border-radius: 12px; cursor: pointer;
  background: #2a2f5a; color: var(--muted); font-weight: 600;
}
.tab.active { background: var(--accent); color: #fff; }
.form { display: flex; flex-direction: column; gap: 10px; }
.form.hidden { display: none; }
.hidden { display: none !important; }
input {
  padding: 13px 14px; border-radius: 12px; border: 1px solid #2f3565;
  background: #11142b; color: var(--text); font-size: 1rem;
}
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.btn {
  padding: 13px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #8a7bff);
  color: #fff; font-weight: 700; font-size: 1rem;
}
.btn:active { transform: scale(.98); }
.btn.ghost { background: transparent; border: 1px solid var(--accent); color: var(--text); }
.hint { color: var(--muted); font-size: .82rem; margin: 4px 0 0; }
.msg { margin: 14px 0 0; min-height: 1.2em; font-size: .9rem; }
.msg.ok { color: var(--accent-2); }
.msg.err { color: var(--danger); }