.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--background-color);
  padding: 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-title {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 30px;
  font-weight: 700;
  letter-spacing: 1px;
}

.login-form {
  background-color: var(--surface-color);
  padding: 40px 35px;
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(13, 107, 112, 0.15);
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 420px;
  transition: box-shadow 0.3s ease;
}

.login-form:hover {
  box-shadow: 0 16px 36px rgba(13, 107, 112, 0.25);
}

.login-label {
  margin-bottom: 10px;
  font-size: 17px;
  color: var(--text-color);
  font-weight: 600;
}

.login-input {
  margin-bottom: 20px;
  padding: 14px 15px;
  border: 1.8px solid var(--primary-color);
  border-radius: 8px;
  font-size: 17px;
  color: var(--text-color);
  outline-offset: 2px;
  transition: border-color 0.3s ease;
}

.login-input:focus {
  border-color: var(--input-focus-color);
  box-shadow: 0 0 6px var(--input-focus-color);
}

.login-button {
  padding: 14px 0;
  background-color: var(--primary-color);
  color: var(--surface-color);
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 12px rgba(13, 107, 112, 0.2);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.login-button:hover {
  background-color: var(--hover-color);
  box-shadow: 0 8px 16px rgba(13, 107, 112, 0.3);
}

.register,
.forgot-password {
  margin-top: 18px;
  font-size: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  color: var(--primary-color);
  font-weight: 600;
}

.register a,
.forgot-password a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 700;
  transition: color 0.3s ease;
}

.register a:hover,
.forgot-password a:hover {
  text-decoration: underline;
  color: var(--hover-color);
}

#message {
  margin-top: 10px;
  font-size: 14px;
  font-weight: bold;
}