/* ==================== 底部机器狗控制工具栏 ==================== */
.robot-control-bar {
    position: absolute;
    /* 使用安全区域变量，适配各种设备底部黑条 */
    bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--bg-panel);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 100;
    
    /* 核心修改：允许换行和宽度自动调整 */
    flex-wrap: wrap;
    justify-content: center;
    max-width: 90vw; /* 防止超出屏幕宽度 */
    width: max-content;
}

.robot-control-bar .toolbar-group {
    display: flex;
    gap: var(--spacing-xs);
}

.robot-control-bar .toolbar-divider {
    width: 1px;
    height: 32px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-xs);
}

.robot-control-bar .toolbar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 10px;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    min-width: 56px;
    position: relative;
}

.robot-control-bar .toolbar-btn svg {
    width: 20px;
    height: 20px;
}

/* 紧凑底栏：保留短注释，招手/速度等收入上拉菜单 */
.robot-control-bar--compact {
    gap: 4px;
    padding: 4px 8px;
}

.robot-control-bar--compact .toolbar-group {
    gap: 2px;
}

.robot-control-bar--compact .toolbar-divider {
    height: 28px;
    margin: 0 2px;
}

.robot-control-bar--compact .toolbar-btn {
    min-width: 44px;
    padding: 4px 6px;
    font-size: 10px;
    line-height: 1.15;
    gap: 2px;
}

.robot-control-bar--compact .toolbar-btn > span:not(.rcb-dropdown-trigger-row) {
    display: block;
    max-width: 4.8em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 左侧栏内：完整显示中文标签，避免「动作…」一类截断 */
.robot-control-bar--rail.robot-control-bar--compact .toolbar-btn > span:not(.rcb-dropdown-trigger-row),
#c12-rail-robot .robot-control-bar--compact .toolbar-btn > span:not(.rcb-dropdown-trigger-row) {
    max-width: none;
    overflow: visible;
    text-overflow: clip;
}

.robot-control-bar--compact .toolbar-btn svg,
.robot-control-bar--compact .rcb-dropdown-main-icon {
    width: 18px;
    height: 18px;
}

.robot-control-bar--compact .strobe-light-wrap .strobe-light-trigger,
.robot-control-bar--compact .megaphone-wrap .megaphone-trigger {
    min-width: 44px;
}

.rcb-dropdown {
    position: relative;
    display: flex;
}

.rcb-dropdown-trigger-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1px;
}

.rcb-dropdown-chevron {
    width: 10px;
    height: 10px;
    opacity: 0.75;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.rcb-dropdown-trigger[aria-expanded="true"] .rcb-dropdown-chevron {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--primary-color);
}

.rcb-dropdown-trigger[aria-expanded="true"] {
    border-color: rgba(78, 205, 196, 0.55) !important;
    color: var(--primary-color);
    background: rgba(78, 205, 196, 0.12) !important;
}

.rcb-dropdown-panel {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    min-width: 148px;
    padding: 6px;
    background-color: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
    z-index: 130;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rcb-dropdown-panel.rcb-dropdown-panel--fixed,
.rcb-popup-menu.rcb-popup-menu--fixed {
    position: fixed !important;
    z-index: 14000 !important;
    transform: none !important;
}

.rcb-dropdown-panel.hidden {
    display: none;
}

.rcb-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    position: relative;
}

.rcb-dropdown-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.rcb-dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.rcb-dropdown-item.active {
    background-color: rgba(78, 205, 196, 0.16);
    color: var(--primary-color);
}

.rcb-dropdown-item.toggle.enabled {
    color: var(--success);
}

.rcb-dropdown-item.toggle.enabled::after,
.rcb-dropdown-item.toggle:not(.enabled)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.rcb-dropdown-item.toggle.enabled::after {
    background-color: var(--success);
}

.rcb-dropdown-item.toggle:not(.enabled)::after {
    background-color: var(--text-muted);
}

.rcb-dropdown-trigger.rcb-speed-boosted,
.rcb-dropdown-trigger.rcb-gait-on {
    color: var(--success);
}

.rcb-dropdown-trigger.rcb-speed-boosted::after,
.rcb-dropdown-trigger.rcb-gait-on::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
}

.robot-control-bar .toolbar-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.robot-control-bar .toolbar-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

.robot-control-bar .toolbar-btn:active {
    transform: scale(0.95);
}

/* 危险按钮 */
.robot-control-bar .toolbar-btn.danger {
    color: var(--error);
}

.robot-control-bar .toolbar-btn.danger:hover {
    background-color: var(--error);
    color: white;
}

.robot-control-bar .toolbar-btn.danger.active {
    background-color: var(--error);
    color: white;
}

/* 避障开关按钮 */
.robot-control-bar .toolbar-btn.toggle {
    position: relative;
}

.robot-control-bar .toolbar-btn.toggle.enabled {
    color: var(--success);
}

.robot-control-bar .toolbar-btn.toggle.enabled::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.robot-control-bar .toolbar-btn.toggle:not(.enabled) {
    color: var(--text-muted);
}

.robot-control-bar .toolbar-btn.toggle:not(.enabled)::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
}

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

/* 执行中状态 */
.robot-control-bar .toolbar-btn.executing {
    opacity: 0.7;
    pointer-events: none;
}

/* ==================== 爆闪灯（Modbus 继电器，独立模块） ==================== */
.strobe-light-wrap {
    position: relative;
    display: flex;
}

.strobe-light-wrap .strobe-light-trigger {
    min-width: 56px;
}

.strobe-light-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    min-width: 88px;
    padding: var(--spacing-xs);
    gap: 2px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    z-index: 120;
}

.strobe-light-wrap.open .strobe-light-menu {
    display: flex;
}

.strobe-light-wrap.open .strobe-light-trigger {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.strobe-light-menu-item {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.strobe-light-menu-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.strobe-light-menu-item:active {
    transform: scale(0.98);
}

/* ==================== 喊话器（USB 扬声器） ==================== */
.megaphone-wrap {
    position: relative;
    display: flex;
}

.megaphone-wrap .megaphone-trigger {
    min-width: 56px;
}

.megaphone-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    min-width: 88px;
    padding: var(--spacing-xs);
    gap: 2px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    z-index: 120;
}

.megaphone-wrap.open .megaphone-menu {
    display: flex;
}

.megaphone-wrap.open .megaphone-trigger {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.megaphone-menu-item {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.megaphone-menu-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.megaphone-menu-item:active {
    transform: scale(0.98);
}

.megaphone-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2px;
}

.megaphone-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--text-muted, #888);
}

.megaphone-status-dot[data-state="ready"],
.megaphone-status-dot[data-state="go2"] {
    background: var(--success, #22c55e);
}

.megaphone-status-dot[data-state="detected"],
.megaphone-status-dot[data-state="playing"] {
    background: var(--warning, #f59e0b);
}

.megaphone-status-dot[data-state="not_ready"],
.megaphone-status-dot[data-state="unknown"] {
    background: var(--danger, #ef4444);
}

.megaphone-status-text {
    font-size: 11px;
    line-height: 1.3;
    color: var(--text-secondary);
    word-break: break-word;
}

.megaphone-reconnect-btn {
    color: var(--primary, #3b82f6);
    font-weight: 600;
}

.megaphone-reconnect-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.megaphone-wrap .megaphone-trigger.megaphone-not-ready {
    color: var(--warning, #f59e0b);
}

.megaphone-wrap .megaphone-trigger.active {
    color: var(--success);
}

/* ==================== 半双工实时对讲 ==================== */
.megaphone-intercom-wrap {
    position: relative;
    display: flex;
}

.megaphone-intercom-btn {
    min-width: 72px;
    user-select: none;
    touch-action: none;
}

.megaphone-intercom-btn.intercom-live {
    background-color: rgba(239, 68, 68, 0.16);
    color: var(--danger, #ef4444);
    box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.35);
}

.megaphone-intercom-btn.intercom-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

a.megaphone-intercom-btn.intercom-external-link {
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.megaphone-intercom-label {
    font-size: 12px;
    white-space: nowrap;
}

/* ==================== 第二侧栏内机器控制（非底栏浮条） ==================== */
.c12-rail-robot .robot-control-bar,
#c12-rail-robot .robot-control-bar {
    position: static;
    left: auto;
    bottom: auto;
    transform: none;
    width: 100%;
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    z-index: auto;
}

.c12-rail-robot .robot-control-bar .toolbar-group,
#c12-rail-robot .robot-control-bar .toolbar-group {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
}

.c12-rail-robot .robot-control-bar .toolbar-divider,
#c12-rail-robot .robot-control-bar .toolbar-divider {
    width: 100%;
    height: 1px;
    margin: 0;
}

.c12-rail-robot .robot-control-bar .toolbar-btn,
#c12-rail-robot .robot-control-bar .toolbar-btn {
    width: 100%;
    min-width: 0;
    padding: 8px 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.c12-rail-robot .rcb-dropdown,
#c12-rail-robot .rcb-dropdown,
.c12-rail-robot .rcb-peripheral-slot,
#c12-rail-robot .rcb-peripheral-slot {
    width: 100%;
    min-width: 0;
    position: relative;
}

.c12-rail-robot .rcb-dropdown-panel:not(.rcb-dropdown-panel--fixed),
#c12-rail-robot .rcb-dropdown-panel:not(.rcb-dropdown-panel--fixed) {
    left: 0;
    right: auto;
    bottom: calc(100% + 4px);
    top: auto;
    width: max-content;
    min-width: 148px;
    transform: none;
    z-index: 200;
}

.c12-rail-robot .strobe-light-wrap .strobe-light-trigger,
.c12-rail-robot .megaphone-wrap .megaphone-trigger,
#c12-rail-robot .strobe-light-wrap .strobe-light-trigger,
#c12-rail-robot .megaphone-wrap .megaphone-trigger {
    width: 100%;
    min-width: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.c12-rail-robot .strobe-light-menu:not(.rcb-popup-menu--fixed),
.c12-rail-robot .megaphone-menu:not(.rcb-popup-menu--fixed),
#c12-rail-robot .strobe-light-menu:not(.rcb-popup-menu--fixed),
#c12-rail-robot .megaphone-menu:not(.rcb-popup-menu--fixed) {
    left: 0;
    right: auto;
    transform: none;
    min-width: 120px;
}

.c12-rail-robot .rcb-dropdown-item,
#c12-rail-robot .rcb-dropdown-item,
.c12-rail-robot .strobe-light-menu-item,
.c12-rail-robot .megaphone-menu-item,
#c12-rail-robot .strobe-light-menu-item,
#c12-rail-robot .megaphone-menu-item {
    min-height: 36px;
    padding: 8px 12px;
    font-size: 12px;
}

.rcb-photo-gallery {
    position: fixed;
    inset: 0;
    z-index: 15000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.72);
}

.rcb-photo-gallery.hidden {
    display: none;
}

.rcb-photo-gallery-dialog {
    width: min(92vw, 980px);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    background: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.rcb-photo-gallery-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.rcb-photo-gallery-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary, #fff);
}

.rcb-photo-gallery-header p {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--text-muted, #9aa0a6);
}

.rcb-photo-gallery-close {
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.rcb-photo-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 10px;
    padding: 14px 16px 18px;
    overflow: auto;
}

.rcb-photo-gallery-thumb {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
    background: #1f1f1f;
    color: var(--text-secondary, #cfcfcf);
    cursor: pointer;
}

.rcb-photo-gallery-thumb img {
    width: 100%;
    height: 96px;
    object-fit: cover;
    display: block;
}

.rcb-photo-gallery-thumb span,
.rcb-photo-gallery-hint,
.rcb-photo-gallery-empty,
.rcb-photo-gallery-caption {
    padding: 0 8px 8px;
    font-size: 11px;
    color: var(--text-muted, #9aa0a6);
}

.rcb-photo-gallery-hint,
.rcb-photo-gallery-empty {
    padding: 28px 16px 32px;
    text-align: center;
}

.rcb-photo-gallery-viewer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 12px 16px;
}

.rcb-photo-gallery-viewer.hidden {
    display: none;
}

.rcb-photo-gallery-stage {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.rcb-photo-gallery-stage img {
    max-width: 100%;
    max-height: 68vh;
    border-radius: 8px;
    display: block;
}

.rcb-photo-gallery-nav,
.rcb-photo-gallery-back,
.rcb-photo-gallery-download {
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
}

.rcb-photo-gallery-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.rcb-photo-gallery-download {
    padding: 6px 12px;
    font-size: 12px;
    background: rgba(78, 205, 196, 0.18);
    border-color: rgba(78, 205, 196, 0.45);
    color: #4ecdc4;
}

.rcb-photo-gallery-nav {
    width: 36px;
    height: 64px;
    font-size: 28px;
}

.rcb-photo-gallery-back {
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 12px;
}