:root {
  --bg: #f7f7fb;
  --card: #ffffff;
  --text: #222;
  --accent: #5865f2;
  --border: #e3e3ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121218;
    --card: #1c1c25;
    --text: #e8e8f0;
    --accent: #7c8cff;
    --border: #2a2a35;
  }
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 700px;
  margin: auto;
  padding: 40px 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

label {
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

input[type="password"] {
  width: 100%;
  padding: 10px;
  font-size: 15px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}

.radio-group {
  margin-top: 15px;
}

.radio-group label {
  font-weight: normal;
  margin-right: 20px;
}

button {
  margin-top: 18px;
  padding: 12px 18px;
  font-size: 15px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

button:disabled {
  opacity: 0.6;
}

.status {
  margin-top: 20px;
  font-size: 14px;
  opacity: 0.85;
}

.progress {
  height: 6px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
  margin-top: 15px;
}

.bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s;
}

.footer {
  margin-top: 20px;
  font-size: 13px;
  opacity: 0.7;
}

.info-note {
  font-size: 13px;
  opacity: 0.7;
  margin-top: 5px;
}