:root {
    --primary-brown: #8B4513;
    --secondary-brown: #D2691E;
    --light-brown: #F5DEB3;
    --dark-brown: #5D4037;
    --accent-gold: #FFD700;
    --success-green: #4CAF50;
    --error-red: #F44336;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #FFF8F0;
    --bg-white: #FFFFFF;
    --shadow: 0 4px 12px rgba(139, 69, 19, 0.1);
    --shadow-lg: 0 8px 24px rgba(139, 69, 19, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* Auth Modal */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    background-color: var(--bg-white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 400px;
    padding: 40px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

.close-auth {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    padding: 4px;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-auth:hover {
    color: var(--primary-brown);
    background-color: rgba(139, 69, 19, 0.1);
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h2 {
    font-size: 1.8rem;
    color: var(--dark-brown);
    margin-bottom: 8px;
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

.auth-header p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Google Sign-In Button */
.google-signin-container {
    margin-bottom: 24px;
}

.btn-google {
    width: 100%;
    background-color: white;
    border: 2px solid #ddd;
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-google:hover {
    background-color: #f8f8f8;
    border-color: #ccc;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-google:active {
    transform: translateY(0);
}

.btn-google:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.google-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--light-brown);
}

.auth-divider span {
    padding: 0 16px;
}

/* Guest Option */
.guest-option {
    text-align: center;
    padding: 20px;
    border: 2px dashed var(--light-brown);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}

.guest-option p {
    margin-bottom: 16px;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--light-brown);
    color: var(--text-dark);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    width: 100%;
}

.btn-secondary:hover {
    border-color: var(--primary-brown);
    color: var(--primary-brown);
    background-color: rgba(139, 69, 19, 0.05);
}

/* Auth Terms */
.auth-terms {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-brown);
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.6;
}

.auth-terms a {
    color: var(--primary-brown);
    text-decoration: none;
    font-weight: 500;
}

.auth-terms a:hover {
    text-decoration: underline;
}

/* Auth Error Styling */
.auth-error {
    margin-top: 16px;
    padding: 12px;
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--error-red);
    border-radius: var(--radius-sm);
    color: var(--error-red);
    font-size: 14px;
    text-align: center;
    line-height: 1.5;
    animation: fadeIn 0.3s ease;
}

/* Checkout Message */
.checkout-message {
    background-color: rgba(139, 69, 19, 0.1);
    border: 1px solid var(--primary-brown);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.checkout-message p {
    color: var(--dark-brown);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
}

.checkout-message i {
    color: var(--primary-brown);
}

/* Loading Spinner */
.fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* User Avatar (for nav button) */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 8px;
    object-fit: cover;
    border: 2px solid var(--light-brown);
}

/* Animations */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-container {
        padding: 30px 20px;
        margin: 0 10px;
    }
    
    .auth-header h2 {
        font-size: 1.5rem;
    }
    
    .btn-google {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .guest-option {
        padding: 16px;
    }
}

/* Mobile Styles for Auth Button */
@media (max-width: 768px) {
    .nav-links .btn-auth.logged-in {
        padding: 12px;
    }
    
    .nav-links .btn-auth.logged-in .user-avatar {
        width: 28px;
        height: 28px;
        margin-right: 8px;
    }
    
    .nav-links .btn-auth.logged-in span {
        font-size: 14px;
    }
}