/* ==========================================================================
   容器视觉调节面板样式
   全部使用主题 CSS 变量，零颜色硬编码，自动适配暗色模式。
   面板自身背景不使用 --hq-container-opacity / --hq-container-blur 变量，
   避免调节滑块时面板自身闪烁（使用 var(--color-bg-primary) 固定底）。
   ========================================================================== */

/* ── 遮罩层 ── */
.hq-visual-control-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    z-index: 100000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.hq-visual-control-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* ── 面板容器（桌面：右侧抽屉） ── */
.hq-visual-control-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    max-width: 100vw;
    height: 100vh;
    background: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
    z-index: 100001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hq-visual-control-panel.active {
    transform: translateX(0);
}

/* 拖拽中禁用过渡（JS 动态控制） */
.hq-visual-control-panel.dragging {
    transition: none;
}

/* 拖拽指示条（桌面隐藏，移动端显示） */
.hq-visual-control-drag-indicator {
    display: none;
    flex-shrink: 0;
    width: 40px;
    height: 4px;
    margin: 8px auto 4px;
    border-radius: 2px;
    background: var(--color-border-primary);
    cursor: grab;
}

/* ── 头部 ── */
.hq-visual-control-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg, 16px) var(--spacing-xl, 20px);
    border-bottom: 1px solid var(--color-border-primary);
}

.hq-visual-control-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-lg, 16px);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-primary);
}

.hq-visual-control-title i {
    color: var(--color-primary);
}

.hq-visual-control-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md, 8px);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast, 0.15s ease);
}

.hq-visual-control-close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* ── 面板内容 ── */
.hq-visual-control-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl, 20px);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl, 20px);
    -webkit-overflow-scrolling: touch;
}

/* ── 滑块组 ── */
.hq-visual-control-slider-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hq-visual-control-slider-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm, 13px);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium, 500);
}

.hq-visual-control-value {
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-primary);
    min-width: 48px;
    text-align: right;
}

/* ── 滑块（range input 跨浏览器美化） ── */
.hq-visual-control-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    margin: 6px 0;
    background: var(--color-bg-secondary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.hq-visual-control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid var(--color-bg-primary);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast, 0.15s ease);
}

.hq-visual-control-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.hq-visual-control-slider::-webkit-slider-thumb:active {
    transform: scale(1.05);
}

.hq-visual-control-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid var(--color-bg-primary);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast, 0.15s ease);
}

.hq-visual-control-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.hq-visual-control-slider::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--color-bg-secondary);
}

/* 滑块两端的提示文字 */
.hq-visual-control-slider-hint {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-muted);
}

/* ── 底部操作区 ── */
.hq-visual-control-actions {
    flex-shrink: 0;
    padding: var(--spacing-md, 12px) var(--spacing-xl, 20px) var(--spacing-lg, 16px);
    border-top: 1px solid var(--color-border-primary);
    display: flex;
    gap: 10px;
}

.hq-visual-control-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md, 8px);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    cursor: pointer;
    transition: all var(--transition-fast, 0.15s ease);
}

.hq-visual-control-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.hq-visual-control-btn:active {
    transform: scale(0.97);
}

/* ── 移动端折叠菜单入口容器 ── */
.hq-visual-control-mobile-wrapper {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--color-border-primary);
}

.hq-visual-control-mobile-entry {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    background: var(--color-primary-alpha);
    color: var(--color-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.hq-visual-control-mobile-entry:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hq-visual-control-mobile-entry:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
}

.hq-visual-control-mobile-entry svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ── 移动端样式（底部抽屉） ── */
@media (max-width: 991.98px) {
    .hq-visual-control-panel {
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: auto;
        max-height: 80vh;
        transform: translateY(100%);
        border-radius: var(--radius-xl, 12px) var(--radius-xl, 12px) 0 0;
    }

    .hq-visual-control-panel.active {
        transform: translateY(0);
    }

    .hq-visual-control-drag-indicator {
        display: block;
    }

    .hq-visual-control-header {
        padding: var(--spacing-md, 12px) var(--spacing-lg, 16px);
    }

    .hq-visual-control-body {
        padding: var(--spacing-lg, 16px);
        gap: var(--spacing-lg, 16px);
    }

    .hq-visual-control-actions {
        padding: var(--spacing-sm, 8px) var(--spacing-lg, 16px) var(--spacing-md, 12px);
        padding-bottom: calc(var(--spacing-md, 12px) + env(safe-area-inset-bottom, 0px));
    }
}