* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #111827;
  background:
    radial-gradient(circle at top left, rgba(60, 76, 109, 0.22), transparent 34%),
    linear-gradient(135deg, #f3f5f8 0%, #e9edf3 100%);
}

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;

  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;

  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.14);

  overflow: hidden;
}

.login-card__logo {
  display: flex;
  align-items: center;
  justify-content: center;

  min-height: 118px;
  padding: 28px;

  background: #3c4c6d;
}

.login-card__logo img {
  display: block;
  max-width: 210px;
  max-height: 62px;
  object-fit: contain;
}

.login-card__content {
  padding: 34px 34px 36px;
}

.login-card__label {
  margin-bottom: 8px;

  color: #6b7280;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-card__title {
  margin: 0 0 10px;

  color: #111827;
  font-size: 28px;
  line-height: 1.2;
}

.login-card__text {
  margin: 0 0 26px;

  color: #6b7280;
  font-size: 15px;
  line-height: 1.5;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form__field {
  display: grid;
  gap: 7px;
}

.login-form__field label {
  color: #374151;
  font-size: 14px;
  font-weight: 700;
}

.login-form__field input {
  width: 100%;
  height: 48px;
  padding: 0 14px;

  color: #111827;
  background: #ffffff;

  border: 1px solid #d1d5db;
  border-radius: 12px;
  outline: none;

  font-size: 15px;
}

.login-form__field input:focus {
  border-color: #3c4c6d;
  box-shadow: 0 0 0 3px rgba(60, 76, 109, 0.14);
}

.login-form__button {
  width: 100%;
  height: 50px;
  margin-top: 4px;

  border: 0;
  border-radius: 12px;

  background: #3c4c6d;
  color: #ffffff;

  font-size: 15px;
  font-weight: 800;
  cursor: pointer;

  transition: background 0.2s ease, transform 0.2s ease;
}

.login-form__button:hover {
  background: #2f3d59;
  transform: translateY(-1px);
}

.login-form__error {
  padding: 12px 14px;

  color: #b91c1c;
  background: #fff5f5;

  border: 1px solid rgba(220, 38, 38, 0.24);
  border-radius: 12px;

  font-size: 14px;
  line-height: 1.4;
}

.login-logout {
  display: grid;
  gap: 14px;

  color: #374151;
  font-size: 15px;
}

.login-logout p {
  margin: 0;
}

@media (max-width: 520px) {
  .login-page {
    padding: 16px;
  }

  .login-card__content {
    padding: 28px 22px 30px;
  }

  .login-card__title {
    font-size: 24px;
  }
}