/* Authentication Styles */
.auth-modal {
    max-width: 400px;
    padding: 30px;
}

.auth-modal h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #4a5568;
    font-size: 0.9rem;
}

.auth-form input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: #667eea;
}

.auth-form .form-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.auth-form .form-actions .btn {
    flex: 1;
    justify-content: center;
}

.social-auth {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.btn-google {
    width: 100%;
    background: #4285f4;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-google:hover {
    background: #3367d6;
    transform: translateY(-2px);
}

.username-check {
    margin-top: 5px;
    font-size: 0.8rem;
    padding: 5px;
    border-radius: 4px;
}

.username-check.available {
    color: #48bb78;
    background: #f0fff4;
}

.username-check.unavailable {
    color: #e53e3e;
    background: #fed7d7;
}

.username-check.checking {
    color: #f6ad55;
    background: #fef5e7;
}

/* Error Messages */
.error-message {
    background: #fed7d7;
    color: #c53030;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.success-message {
    background: #f0fff4;
    color: #38a169;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}