:root {
  --bg: #121212;
  --text: #ffffff;
  --text2: #bebebe;
  --accent: #af56c0;
  --accent-dark: #8a3d99;
  --panel: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px; }
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
h1 { margin: 0 0 12px; font-size: 2rem; }
h2 { margin: 0 0 18px; }
p { color: var(--text2); }
label { display: block; margin: 14px 0 6px; color: var(--text2); font-size: 0.9rem; }
input {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text);
  font-size: 1rem;
}
input:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 20px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn:hover { background: var(--accent-dark); }
.btn:active { background: var(--accent-dark); transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.ghost { background: transparent; border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--panel); }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tabs button {
  flex: 1;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  font-size: 1rem;
}
.tabs button.on { background: var(--accent); color: var(--text); border-color: var(--accent); }
.err { color: #ff8a8a; min-height: 1.4em; margin: 12px 0 0; font-size: 0.9rem; }
.hidden { display: none !important; }
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #222;
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: 12px;
  transition: opacity 0.2s;
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }