/* Social Authentication Styles */

.social-auth-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-social::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.btn-social:hover::before {
    left: 100%;
}

.btn-social:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

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

.btn-social svg {
    flex-shrink: 0;
}

/* Google Button */
.btn-google {
    border-color: #4285f4;
}

.btn-google:hover {
    background: rgba(66, 133, 244, 0.1);
    border-color: #4285f4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

/* Apple Button */
.btn-apple {
    border-color: #000;
    background: #000;
    color: #fff;
}

.btn-apple:hover {
    background: #1a1a1a;
    border-color: #1a1a1a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.btn-apple svg {
    color: #fff;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0 1rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider span {
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Loading State */
.btn-social.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-social.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Disabled State */
.btn-social:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .btn-social {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-social svg {
        width: 16px;
        height: 16px;
    }
}

/* Dark Mode Adjustments */
@media (prefers-color-scheme: dark) {
    .btn-apple {
        background: #fff;
        color: #000;
        border-color: #fff;
    }
    
    .btn-apple:hover {
        background: #f0f0f0;
        border-color: #f0f0f0;
    }
    
    .btn-apple svg {
        color: #000;
    }
}

/* Firebase Info Banner */
.firebase-info {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.firebase-info i {
    color: var(--warning);
    font-size: 1.25rem;
}

.firebase-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text);
}

.firebase-info a {
    color: var(--primary);
    text-decoration: underline;
}

/* Success Animation */
@keyframes successPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.btn-social.success {
    animation: successPulse 0.4s ease-in-out;
    background: var(--success);
    border-color: var(--success);
    color: white;
}

/* Error State */
.btn-social.error {
    animation: shake 0.4s ease-in-out;
    border-color: var(--danger);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}