:root {
    --color-light: #cadcfc;
    --color-mid: #8ab6f9;
    --color-dark: #00246b;
}

body {
    margin: 0;
    font-family: 'Exo 2', sans-serif;
    background: linear-gradient(135deg, var(--color-dark), var(--color-mid));
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow-x: hidden;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle, #00246b, #000);
}

#form-title{
    color: #8ab6f9;
    font-family: 'Exo 2', sans-serif;
    font-weight: 100;
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
    width: 100%;
}

/* Auth Box */
.auth-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 25px rgba(0, 36, 107, 0.4);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo {
    width: 80px;
    margin-bottom: 15px;
    transform: scale(1.7);
}

h2 {
    margin-bottom: 20px;
    color: var(--color-dark);
    font-size: clamp(18px, 5vw, 22px);
}

/* Inputs */
.input-group {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #00246b;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 15px;
    width: 100%;
    box-sizing: border-box;
}

.input-group svg {
    flex-shrink: 0;
    margin-right: 8px;
}

.input-group input {
    border: none;
    outline: none;
    flex: 1;
    font-size: 14px;
    background: transparent;
}

/* Main Button */
.main-btn {
    background: var(--color-mid);
    color: white;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.main-btn:hover {
    background: var(--color-mid);
}

.divider {
    margin: 15px 0;
    color: var(--color-mid);
    font-size: 14px;
}

/* Social Buttons */
.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 5px;
    padding: 10px;
    margin-top: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
    border: 1px solid var(--color-dark);
    background: white;
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.social-icon {
    width: 20px;
    height: 20px;
}

.social-btn img {
    height: 20px;
    width: 20px;
}

#microsoft-login-btn {
    background: white;
}

#apple-login-btn {
    background: black;
    color: white;
    border: none;
}

.toggle-text {
    margin-top: 15px;
    font-size: 14px;
    color: white;
}

.toggle-text span {
    color: var(--color-light);
    font-weight: bold;
    cursor: pointer;
}

/* RESPONSIVE STYLES */
@media (max-width: 480px) {
    .auth-box {
        padding: 20px;
    }

    .logo {
        width: 70px;
    }

    .input-group input {
        font-size: 13px;
    }

    .main-btn {
        font-size: 14px;
        padding: 10px;
    }

    .social-btn {
        font-size: 13px;
        gap: 8px;
        padding: 8px;
    }

    .divider {
        font-size: 12px;
    }
}




.ai-welcome-container {
    position: absolute;
    top: 20px;
    left: 10%;
    max-width: 300px;
    font-family: 'Exo 2', sans-serif;
    z-index: 10;
}

.ai-chat-bubble {
    background: rgba(0, 36, 107, 0.85);
    color: #cadcfc;
    padding: 12px 16px;
    border-radius: 12px 12px 12px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    font-size: 0.95rem;
    line-height: 1.4;
    border: 1px solid #8ab6f9;
    backdrop-filter: blur(6px);
}

.ai-welcome-container {
    transition: opacity 0.8s ease;
}


/* Mobile responsiveness */
@media (max-width: 768px) {
    .ai-welcome-container {
      top: 10px;
      left: 50%;
      transform: translateX(-50%);
      max-width: 90%;
      text-align: center;
    }
    .ai-chat-bubble {
      border-radius: 12px;
    }
}


.auth-popup {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #8ab6f9, #00246b, #cadcfc);
    color: #fff;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 1.2rem 2rem;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 36, 107, 0.5), 0 0 40px rgba(138, 182, 249, 0.3);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    text-align: center;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.auth-popup.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}


.input-group select {
  width: 100%;
  padding: 12px;
  border: none;
  outline: none;
  background: transparent;
  color: #00246b;
  font-size: 1rem;
  border-bottom: 2px solid rgba(0,0,0,0.1);
  transition: border-color 0.3s ease;
  appearance: none; /* Removes default arrow */
}

.input-group select:focus {
  border-color: #0d4d91;
}


.google-signin-btn,
.apple-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 5px;
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

/* Google Sign-In */
.google-signin-btn {
  background-color: white;
  color: #000;
  border: 1px solid #ccc;
}

.google-signin-btn:hover {
  background-color: #f5f5f5;
}

/* Apple Sign-In */
.apple-signin-btn {
  background-color: #fefefe;
  color: rgb(0, 0, 0);
  border: none;
}

.apple-signin-btn:hover {
  opacity: 0.85;
}

/* Responsive for small devices */
@media (max-width: 600px) {
  .google-signin-btn,
  .apple-signin-btn {
    font-size: 14px;
    padding: 10px;
  }
}