/* Firebase Sync - Auth UI & Sync Status */

/* Auth Section in Header */
.auth-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Sign-in Button */
.sign-in-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: "Raleway", sans-serif;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.sign-in-btn:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.sign-in-btn i {
    font-size: 14px;
}

/* User Info (signed-in state) */
.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    object-fit: cover;
}

.user-name {
    font-size: 13px;
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Sync Status Indicator */
.sync-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--accent-secondary);
    padding: 4px 8px;
    border-radius: 3px;
    background-color: var(--bg-tertiary);
}

.sync-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    flex-shrink: 0;
}

.sync-status-dot.synced {
    background-color: var(--accent-primary);
}

.sync-status-dot.syncing {
    background-color: #f0ad4e;
    animation: pulse 1s infinite;
}

.sync-status-dot.error {
    background-color: var(--error-color);
}

.sync-status-dot.offline {
    background-color: var(--text-secondary);
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* Sign-out Button */
.sign-out-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 13px;
    transition: color 0.3s;
}

.sign-out-btn:hover {
    color: var(--error-color);
}

/* Auth Divider */
.auth-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    flex-shrink: 0;
}

/* Merge Modal */
.merge-modal-body {
    text-align: center;
}

.merge-modal-body p {
    text-align: center;
    margin-bottom: 10px;
    line-height: 1.6;
}

.merge-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-primary);
    border-radius: 5px;
}

.merge-stat {
    text-align: center;
}

.merge-stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-secondary);
}

.merge-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .user-name {
        display: none;
    }

    .auth-section {
        gap: 6px;
    }

    .sign-in-btn span {
        display: none;
    }
}

@media (max-width: 540px) {
    .auth-section {
        width: 100%;
        justify-content: flex-end;
    }

    .sync-status span:not(.sync-status-dot) {
        display: none;
    }
}