body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #f3f3f3;
  font-family: 'Segoe UI', sans-serif;
}

.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding-top: 20px;
  padding-bottom: 20px;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 40px 30px;
  background-color: #fff;
  border: 1px solid #222;
  box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

.logo-wrapper {
  text-align: center;
  margin-bottom: 35px;
}
.login-logo {
  max-width: 175px;
}

.login-container h3 {
  text-align: center;
  color: #222;
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 25px;
}

.login-container label {
  font-size: 14px;
  color: #555;
}

.login-container input[type="text"], input[type="number"] {
  width: 93%;
  padding: 10px 12px;
  margin-top: 6px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  font-size: 15px;
  transition: border-color 0.3s;
}

.login-container input:focus {
  border-color: #000;
  outline: none;
}

.login-container button {
  width: 100%;
  background-color: #222;
  color: #fff;
  padding: 12px;
  border: none;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.login-container button:hover {
  background-color: #000;
}

#loginMessage, .message {
  text-align: center;
  font-size: 14px;
  margin-top: 15px;
}

#otpBox { display: none; }

.navbar {
  background-color: #222;
  padding: 12px 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.navbar-brand {
  text-decoration: none;
}

.navbar-logo {
  height: 40px;
  max-width: 150px;
  filter: brightness(0) invert(1);
}

.whatsapp-label {
  font-size: 15px;
  font-weight: 600;
  color: #222;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 15px;
}

.whatsapp-label i {
  color: #25D366;
  font-size: 18px;
}

.bottom-navbar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #222;
  color: #fff;
  padding: 12px 0;
  box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.2);
  z-index: 100;
}

.footer-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-text {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

/* Responsive: Compress form box on smaller screens */
@media (max-width: 480px) {
  .login-container {
    margin: 20px;
    padding: 25px 20px;
  }

  .login-container h3 {
    font-size: 18px;
  }

  .login-logo {
    max-width: 120px;
  }

  .login-container input[type="text"],
  .login-container button {
    font-size: 14px;
    padding: 10px;
  }

  .login-container {
  margin-bottom: 80px; /* prevent overlap with footer */
}
}