* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0a0a0f; --card: #14141c; --border: #2a2a35;
  --text: #e8e8ed; --text-muted: #8888a0;
  --accent: #6c5ce7; --accent-hover: #7d6ff0;
  --red: #ff6b6b;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  display: flex; justify-content: center; align-items: center; min-height: 100vh;
}
.auth-container {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px; width: 100%; max-width: 400px;
}
.logo {
  font-size: 20px; font-weight: 800; letter-spacing: -0.5px; color: var(--text);
  display: block; text-decoration: none; margin-bottom: 32px;
}
h2 { font-size: 24px; font-weight: 700; margin-bottom: 24px; }
form { display: flex; flex-direction: column; gap: 14px; }
input {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; font-size: 15px; color: var(--text); font-family: inherit;
  outline: none; transition: border-color 0.2s;
}
input:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-muted); }
.btn-primary {
  background: var(--accent); color: #fff; padding: 14px; border-radius: 10px;
  font-size: 15px; font-weight: 600; border: none; cursor: pointer; margin-top: 4px;
}
.btn-primary:hover { background: var(--accent-hover); }
.alt-link { text-align: center; font-size: 13px; color: var(--text-muted); margin-top: 8px; }
.alt-link a { color: var(--accent); text-decoration: none; }
.error { color: var(--red); font-size: 13px; text-align: center; margin-top: 12px; min-height: 18px; }