.oauth-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
    font-family: var(--font-family);
}

.oauth-buttons-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.oauth-buttons-divider::before,
.oauth-buttons-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.oauth-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--aistros-radius-md);
    background: var(--bg-surface);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.oauth-button:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--aistros-shadow-sm);
}

.oauth-button:active {
    transform: translateY(0);
}

.oauth-button i {
    font-size: var(--font-size-xl);
}

/* Provider-specific colors */

.oauth-button.oauth-google {
    border-color: #db4437; /* Google Red */
}

.oauth-button.oauth-google:hover {
    background: #f9f7f6;
}

.oauth-button.oauth-facebook {
    border-color: #4267b2; /* Facebook Blue */
}

.oauth-button.oauth-facebook:hover {
    background: #f0f2f5;
}

.oauth-button.oauth-x {
    border-color: #000; /* X Black */
}

.oauth-button.oauth-x:hover {
    background: #f5f5f5;
}

.oauth-button.oauth-vk {
    border-color: #0077ff; /* VK Blue */
}

.oauth-button.oauth-vk:hover {
    background: #f0f5ff;
}

.oauth-button.oauth-github {
    border-color: #333; /* GitHub Dark Gray */
}

.oauth-button.oauth-github:hover {
    background: #f6f8fb;
}

.oauth-button.oauth-linkedin {
    border-color: #0a66c2; /* LinkedIn Blue */
}

.oauth-button.oauth-linkedin:hover {
    background: #f1f5f9;
}

/* Loading state */

.oauth-button.loading {
    opacity: 0.6;
    pointer-events: none;
}

.oauth-button.loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: oauth-spin 0.8s linear infinite;
}

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

/* Error messages */

.oauth-error {
    background: color-mix(in srgb, var(--danger-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--danger-color) 30%, transparent);
    border-radius: var(--aistros-radius-sm);
    padding: 12px;
    margin: 10px 0;
    color: var(--danger-color);
    font-size: var(--font-size-sm);
}

.oauth-error::before {
    content: '⚠ ';
    margin-right: 5px;
}

/* Success messages */

.oauth-success {
    background: color-mix(in srgb, var(--success-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--success-color) 30%, transparent);
    border-radius: var(--aistros-radius-sm);
    padding: 12px;
    margin: 10px 0;
    color: var(--success-color);
    font-size: var(--font-size-sm);
}

.oauth-success::before {
    content: '✓ ';
    margin-right: 5px;
}

/* Responsive */

@media (max-width: 768px) {
    .oauth-buttons-container {
        gap: 10px;
    }

    .oauth-button {
        padding: 10px 12px;
        font-size: var(--font-size-sm);
    }

    .oauth-button i {
        font-size: var(--font-size-lg);
    }
}

/* Link account page */

.oauth-link-account-form {
    border: 1px solid var(--border-color);
    border-radius: var(--aistros-radius-md);
    padding: 20px;
    margin: 20px 0;
    background: var(--bg-body);
}

.oauth-link-account-form h3 {
    margin-top: 0;
    color: var(--text-primary);
}

.oauth-link-account-form p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.oauth-link-account-form label {
    display: block;
    margin: 15px 0 5px;
    font-weight: 500;
    color: var(--text-primary);
}

.oauth-link-account-form input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--aistros-radius-sm);
    font-size: var(--font-size-sm);
    box-sizing: border-box;
    font-family: var(--font-family);
}

.oauth-link-account-form button {
    margin-top: 15px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--aistros-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
    font-family: var(--font-family);
}

.oauth-link-account-form button:hover {
    background: var(--secondary-color);
}