/* ============================================
   工具栏优化样式 - 下拉菜单和分组
   ============================================ */

/* 下拉菜单容器 */
.toolbar-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 32px;
    min-width: 32px;
    z-index: 1001;
}

/* 下拉菜单主按钮 */
.toolbar-dropdown-btn {
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    padding: 2px;
    cursor: pointer;
    border-radius: var(--radius-base);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    max-width: 32px;
    max-height: 32px;
    flex-shrink: 0;
    flex-grow: 0;
    position: relative;
    box-sizing: border-box;
    pointer-events: auto;
}

.toolbar-dropdown-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-base);
    transform: translateY(-1px);
    box-shadow: none;
}

.toolbar-dropdown-btn:active {
    opacity: 0.8;
}

.hidden-toolbar-control {
    display: none !important;
}

/* 下拉指示箭头 */
.toolbar-dropdown-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 2px;
    transition: transform 0.2s ease;
}

.toolbar-dropdown-btn[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

/* 下拉菜单面板 */
.toolbar-dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    display: flex;
    flex-direction: column;
}

.toolbar-dropdown-menu.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* 下拉菜单项 */
.toolbar-dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color var(--transition-normal);
    color: var(--color-text-primary);
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-size: var(--font-size-sm);
    box-sizing: border-box;
    white-space: nowrap;
}

.toolbar-dropdown-item:hover {
    background-color: var(--color-bg-hover);
}

.toolbar-dropdown-item:active {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.toolbar-dropdown-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 下拉菜单分隔线 */
.toolbar-dropdown-separator {
    height: 1px;
    background-color: var(--color-border-light);
    margin: 4px 0;
}

/* 下拉菜单项图标 */
.toolbar-dropdown-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* 工具栏分组容器 */
.toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

/* 溢出菜单（更多按钮） */
.toolbar-overflow-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
    z-index: 1001;
}

.toolbar-overflow-btn {
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    padding: 2px 14px 2px 6px;
    cursor: pointer;
    border-radius: var(--radius-base);
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 36px;
    min-height: 32px;
    height: 32px;
    flex-shrink: 0;
    position: relative;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 1;
    pointer-events: auto;
    gap: 4px;
}

.toolbar-overflow-btn::after {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 0;
}

.toolbar-overflow-btn[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(180deg);
}

.toolbar-overflow-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-base);
    transform: translateY(-1px);
    box-shadow: none;
}

.toolbar-overflow-btn:active {
    opacity: 0.8;
}

/* 响应式设计：小屏幕优化 */
@media (max-width: 1024px) {
    .toolbar-dropdown-menu {
        min-width: 180px;
    }

    .toolbar-dropdown-item {
        padding: 6px 10px;
        font-size: var(--font-size-xs);
    }

    .toolbar-dropdown-item svg {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 768px) {
    .toolbar-dropdown-menu {
        min-width: 160px;
        max-height: 300px;
    }

    .toolbar-dropdown-item {
        padding: 6px 10px;
    }
}

/* 菜单滚动条样式 */
.toolbar-dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.toolbar-dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
}

.toolbar-dropdown-menu::-webkit-scrollbar-thumb {
    background-color: var(--color-border-light);
    border-radius: 3px;
}

.toolbar-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-text-secondary);
}

/* 工具栏容器适应高度变化的动画 */
.toolbar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 工具栏图标缩放时的响应式行为 */
.toolbar-row {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toolbar-row-top {
    position: relative;
    z-index: 2;
}

.toolbar-row-bottom {
    position: relative;
    z-index: 1;
}

/* 禁用状态 */
.toolbar-btn:disabled,
.toolbar-dropdown-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 工具栏按钮激活状态 */
.toolbar-btn.active,
.toolbar-dropdown-btn.active {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* 下拉菜单分组标题 */
.toolbar-dropdown-group-title {
    padding: 8px 12px 4px 12px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    width: 100%;
}

/* 工具栏响应式布局 */
@media (max-width: 1200px) {
    /* 在较小屏幕上使用下拉菜单替代某些按钮 */
    .toolbar-row-top {
        gap: 2px;
    }

    .toolbar-row-bottom {
        gap: 2px;
    }
}

/* 暗黑模式支持 */
:root[data-theme="dark"] .toolbar-dropdown-menu {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-border-light);
}

:root[data-theme="dark"] .toolbar-dropdown-item:hover {
    background-color: var(--color-bg-hover);
}

/* 动画优化 */
@prefixes {
    @supports (display: flex) {
        .toolbar-dropdown-menu {
            will-change: opacity, visibility, transform;
        }
    }
}