html { height: 100%; }
body { background: #18151c; color: #f0f2f7; font-family: Arial, Helvetica, sans-serif; margin: 0; min-height: 100%; display: flex; align-items: center; justify-content: center; padding: 24px; box-sizing: border-box; }
.auth-box, .profile-box { background: #23202a; border-radius: 16px; box-shadow: 0 2px 12px #000a; max-width: 520px; width: 100%; margin: 0; padding: 48px 44px; box-sizing: border-box; }
.auth-box h2, .profile-box h2 { color: #c9a96a; margin-bottom: 22px; font-size: 1.5em; }
input, select { width: 100%; padding: 14px 16px; border-radius: 8px; border: 1.5px solid #c9a96a40; background: #18151c; color: #f0f2f7; font-size: 1.05em; margin-bottom: 14px; box-sizing: border-box; }
button { background: #c9a96a; color: #18151c; border: none; border-radius: 8px; font-weight: 700; font-size: 1.15em; padding: 14px 0; width: 100%; margin-top: 10px; cursor: pointer; transition: background 0.15s; }
button:active { background: #b08b3c; }
.error { background: #e57373; color: #fff; padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.auth-link { margin-top: 20px; text-align: center; }
.auth-link a { color: #c9a96a; text-decoration: none; }
.auth-link a:hover { text-decoration: underline; }

/* ── Mobile ── */
@media (max-width: 480px) {
  body {
    padding: 20px;
  }
  .auth-box {
    padding: 36px 28px;
    border-radius: 12px;
  }
  input, select {
    font-size: 16px;
  }
}