/* Login – eigenständige Seite (eigenes, fokussiertes Design). */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: #111;
  color: #111;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-box {
  background: #fff;
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.login-box h1 { font-size: 24px; font-weight: 700; letter-spacing: 0.03em; margin-bottom: 4px; }
.login-box .sub { color: #666; font-size: 13px; margin-bottom: 28px; }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 16px; }
.field label { font-size: 12px; font-weight: 600; color: #666; text-transform: uppercase; letter-spacing: 0.04em; }
.field input {
  border: 1px solid #e0e0e0; border-radius: 7px;
  padding: 10px 12px; font-size: 14px; font-family: inherit;
  outline: none; transition: border-color 0.15s;
}
.field input:focus { border-color: #999; }
.btn {
  width: 100%; background: #111; color: #fff; border: none;
  border-radius: 7px; padding: 11px; font-size: 14px; font-weight: 600;
  cursor: pointer; margin-top: 6px;
}
.btn:hover { opacity: 0.9; }
.error { background: #ffebee; color: #c62828; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }