/* ============================================================
   toolbar.css —— 右上角工具按钮组 + Tooltip
   五个右上角图标（安装扩展 / 切换模式 / 关于 / 休闲模式 / 切换语言）
   的定位与 hover 展开、通用 Tooltip 气泡。
   展开/收起状态由 toolbar.js 统一在 body 上切换 .toolbar-open，
   各按钮按自身顺序级联滑入。
   ============================================================ */

/* 五个按钮共用：裸图标，无圆形容器 */
.plugin-icon,
.plugin-icon-left,
.plugin-icon-left-3,
.plugin-icon-left-4,
.plugin-icon-left-5 {
    position: absolute;
    top: 18px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: opacity 0.28s var(--ease-out),
                transform 0.28s var(--ease-out);
}

.plugin-icon { right: 20px; }

/* 四个功能按钮：收起时向右（主按钮方向）偏移并隐藏 */
.plugin-icon-left,
.plugin-icon-left-3,
.plugin-icon-left-4,
.plugin-icon-left-5 {
    opacity: 0;
    visibility: hidden;
    transform: translateX(14px) scale(0.8);
    pointer-events: none;
}
.plugin-icon-left   { right: 116px; }
.plugin-icon-left-3 { right: 164px; }
.plugin-icon-left-4 { right: 212px; }
.plugin-icon-left-5 { right: 68px; }

/* 展开状态由 toolbar.js 在 body 上切换 .toolbar-open 统一驱动 */
body.toolbar-open .plugin-icon-left,
body.toolbar-open .plugin-icon-left-3,
body.toolbar-open .plugin-icon-left-4,
body.toolbar-open .plugin-icon-left-5 {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
}

/* 级联展开：越靠左的按钮延迟越长，形成依次滑出的节奏 */
body.toolbar-open .plugin-icon-left-4 { transition-delay: 0s; }
body.toolbar-open .plugin-icon-left-3 { transition-delay: 0.02s; }
body.toolbar-open .plugin-icon-left   { transition-delay: 0.05s; }
body.toolbar-open .plugin-icon-left-5 { transition-delay: 0.08s; }

/* 任意按钮悬浮：轻微上浮 */
.plugin-icon:hover,
.plugin-icon-left:hover,
.plugin-icon-left-3:hover,
.plugin-icon-left-4:hover,
.plugin-icon-left-5:hover {
    transform: translateY(-2px);
}

/* ===== Tooltip 通用样式（右上角深色玻璃气泡） ===== */
.tooltip {
    display: inline-flex;
}

.tooltip .tooltip-text {
    visibility: hidden;
    min-width: 80px;
    background: rgba(28, 30, 38, 0.92);
    color: #fff;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 7px 11px;
    position: absolute;
    z-index: 1001;
    top: 130%;
    right: 0;
    transform: translateY(6px);
    opacity: 0;
    transition: opacity 0.22s ease, transform 0.22s ease;
    font-size: 0.78rem;
    line-height: 1.3;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    pointer-events: none;
}

.tooltip .tooltip-text::before {
    content: '';
    position: absolute;
    top: -5px;
    right: 16px;
    width: 9px;
    height: 9px;
    background: rgba(28, 30, 38, 0.92);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}