/* ===== Bottom Bar Styles ===== */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    background: var(--surface);
    border-top: 1px solid var(--rule);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    box-shadow: 0 -1px 3px rgb(0 0 0 / 0.05);
    gap: 8px;
}

.bottom-bar-left,
.bottom-bar-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.bottom-bar-center {
    flex: 1;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
}

.connection-status.online {
    background: rgb(16 185 129 / 0.1);
    color: var(--success);
}

.connection-status.offline {
    background: rgb(239 68 68 / 0.1);
    color: var(--danger);
}

.connection-status.syncing {
    background: rgb(245 158 11 / 0.1);
    color: var(--warning);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

.connection-status.offline .status-dot,
.connection-status.online .status-dot {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    gap: 4px;
}

.action-btn:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
    color: var(--primary);
}

.action-btn:active {
    transform: scale(0.95);
}

.sync-info {
    font-size: 12px;
    color: var(--muted);
}

/* Admin mode indicator */
body.is-admin .bottom-bar {
    border-top-color: var(--primary);
}

body.is-admin .bottom-bar::before {
    content: '管理模式';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 2px 12px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    font-size: 11px;
    font-weight: 600;
}