/**
 * 心猿悬浮目录 - Trae 圆点轨道风格（方案C：虚实结合）
 * H1-H6 六层级：实心 → 空心 → 小空心 → 虚线 的视觉递减
 */

/* CSS 变量（可通过后台配置覆盖） */
.ftxy-toc {
    --ftxy-color-inactive-1: #9ca3af;   /* H1-H2 未激活：实心灰色 */
    --ftxy-color-inactive-2: #9ca3af;
    --ftxy-color-inactive-3: #d1d5db;   /* H3-H4 未激活：空心边框灰色 */
    --ftxy-color-inactive-4: #d1d5db;
    --ftxy-color-inactive-5: #d4d4d8;   /* H5 未激活：虚线边框 */
    --ftxy-color-inactive-6: #e5e7eb;   /* H6 未激活：虚线边框（更浅） */
    --ftxy-color-active-1: #111827;     /* H1-H2 激活：深黑实心 */
    --ftxy-color-active-2: #111827;
    --ftxy-color-active-3: #111827;     /* H3-H4 激活：深黑填充 */
    --ftxy-color-active-4: #374151;
    --ftxy-color-active-5: #4b5563;     /* H5 激活 */
    --ftxy-color-active-6: #6b7280;     /* H6 激活 */
    --ftxy-tooltip-bg: #111827;
    --ftxy-tooltip-color: #ffffff;
}

/* ====== 主容器 ====== */
.ftxy-toc {
    position: fixed;
    top: 0;
    height: 100vh;
    width: 34px;
    z-index: 999;
    pointer-events: none;
    display: flex;
    align-items: center;
}

.ftxy-toc.ftxy-position-left {
    left: 0;
}

.ftxy-toc.ftxy-position-right {
    right: 0;
}

/* ====== 轨道容器 ====== */
.ftxy-track {
    position: relative;
    width: 100%;
    height: 100%;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* 彻底不裁剪，让 tooltip 能溢出到轨道外侧 */
    overflow: visible;
    box-sizing: border-box;
}

.ftxy-track::-webkit-scrollbar {
    display: none;
}

/* ====== 圆点容器 ====== */
.ftxy-dots {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    margin: auto 0;
}

/* ====== 圆点基础样式 ====== */
.ftxy-dot {
    position: relative;
    border-radius: 9999px;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
    transition: width 80ms cubic-bezier(0.4, 0, 0.2, 1),
                height 80ms cubic-bezier(0.4, 0, 0.2, 1),
                background-color 80ms cubic-bezier(0.4, 0, 0.2, 1),
                border-color 80ms cubic-bezier(0.4, 0, 0.2, 1),
                transform 80ms cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    background-color: transparent;
    box-sizing: border-box;
}

/* 扩大点击区域 */
.ftxy-dot::after {
    content: '';
    position: absolute;
    top: -8px;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 34px;
}

.ftxy-dot:hover {
    transform: scale(1.25);
}

.ftxy-dot.active {
    transform: scale(1);
}

.ftxy-dot.active:hover {
    transform: scale(1.1);
}

/* ====== 6 个层级样式（方案C：虚实结合） ====== */

/* H1：最大实心圆 */
.ftxy-dot.level-1 {
    width: 12px;
    height: 12px;
    background-color: var(--ftxy-color-inactive-1);
    border: none;
}
.ftxy-dot.level-1.active {
    background-color: var(--ftxy-color-active-1);
}
.ftxy-dot.level-1:hover:not(.active) {
    background-color: var(--ftxy-color-active-1);
    opacity: 0.7;
}

/* H2：大实心圆 */
.ftxy-dot.level-2 {
    width: 10px;
    height: 10px;
    background-color: var(--ftxy-color-inactive-2);
    border: none;
}
.ftxy-dot.level-2.active {
    background-color: var(--ftxy-color-active-2);
}
.ftxy-dot.level-2:hover:not(.active) {
    background-color: var(--ftxy-color-active-2);
    opacity: 0.7;
}

/* H3：中号空心圆（实线边框） */
.ftxy-dot.level-3 {
    width: 9px;
    height: 9px;
    background-color: transparent;
    border: 2px solid var(--ftxy-color-inactive-3);
}
.ftxy-dot.level-3.active {
    background-color: var(--ftxy-color-active-3);
    border-color: var(--ftxy-color-active-3);
}
.ftxy-dot.level-3:hover:not(.active) {
    border-color: var(--ftxy-color-active-3);
    opacity: 0.7;
}

/* H4：小号空心圆（实线边框） */
.ftxy-dot.level-4 {
    width: 7px;
    height: 7px;
    background-color: transparent;
    border: 1.5px solid var(--ftxy-color-inactive-4);
}
.ftxy-dot.level-4.active {
    background-color: var(--ftxy-color-active-4);
    border-color: var(--ftxy-color-active-4);
}
.ftxy-dot.level-4:hover:not(.active) {
    border-color: var(--ftxy-color-active-4);
    opacity: 0.7;
}

/* H5：更小空心圆（虚线边框） */
.ftxy-dot.level-5 {
    width: 6px;
    height: 6px;
    background-color: transparent;
    border: 1px dashed var(--ftxy-color-inactive-5);
}
.ftxy-dot.level-5.active {
    background-color: var(--ftxy-color-active-5);
    border-color: var(--ftxy-color-active-5);
    border-style: solid;
}
.ftxy-dot.level-5:hover:not(.active) {
    border-color: var(--ftxy-color-active-5);
    opacity: 0.7;
}

/* H6：最小空心圆（虚线边框 + 更浅） */
.ftxy-dot.level-6 {
    width: 5px;
    height: 5px;
    background-color: transparent;
    border: 1px dashed var(--ftxy-color-inactive-6);
}
.ftxy-dot.level-6.active {
    background-color: var(--ftxy-color-active-6);
    border-color: var(--ftxy-color-active-6);
    border-style: solid;
}
.ftxy-dot.level-6:hover:not(.active) {
    border-color: var(--ftxy-color-active-6);
    opacity: 0.7;
}

/* ====== Tooltip ====== */
.ftxy-tooltip {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 1000;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--ftxy-tooltip-bg);
    color: var(--ftxy-tooltip-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ftxy-tooltip-tag {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    background: rgba(255,255,255,0.2);
    flex-shrink: 0;
}

/* 左侧位置：tooltip 显示在右侧 */
.ftxy-position-left .ftxy-tooltip {
    left: calc(100% + 12px);
}

.ftxy-position-left .ftxy-tooltip::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background-color: inherit;
}

/* 右侧位置：tooltip 显示在左侧 */
.ftxy-position-right .ftxy-tooltip {
    right: calc(100% + 12px);
}

.ftxy-position-right .ftxy-tooltip::before {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background-color: inherit;
}

.ftxy-dot:hover .ftxy-tooltip {
    opacity: 1;
}

/* ====== 上下渐变遮罩 ====== */
.ftxy-mask {
    position: absolute;
    left: 0;
    right: 0;
    height: 80px;
    pointer-events: none;
    z-index: 1;
    /* 默认透明，由主题/JS 动态决定是否启用渐变 */
    background: transparent;
}

.ftxy-mask-top {
    top: 0;
}

.ftxy-mask-bottom {
    bottom: 0;
}

/* 当后台开启 show_mask 时，通过 JS 动态注入 .ftxy-mask-enabled 类 */
.ftxy-mask-enabled .ftxy-mask-top {
    background: linear-gradient(to bottom, var(--ftxy-mask-color, rgba(255,255,255,1)), transparent);
}
.ftxy-mask-enabled .ftxy-mask-bottom {
    background: linear-gradient(to top, var(--ftxy-mask-color, rgba(255,255,255,1)), transparent);
}

/* ====== 移动端（由 JS 检测并加 .ftxy-hidden 类） ====== */
.ftxy-toc.ftxy-hidden {
    display: none;
}

/* ====== 夜间模式适配 ====== */
/* 同时兼容：系统夜间偏好、子比主题 .dark-mode / .night-mode、通用 .is-dark 等 */
@media (prefers-color-scheme: dark) {
    .ftxy-toc:not(.ftxy-light-mode) {
        --ftxy-color-inactive-1: #6b7280;
        --ftxy-color-inactive-2: #6b7280;
        --ftxy-color-inactive-3: #4b5563;
        --ftxy-color-inactive-4: #4b5563;
        --ftxy-color-inactive-5: #374151;
        --ftxy-color-inactive-6: #374151;
        --ftxy-color-active-1: #e5e7eb;
        --ftxy-color-active-2: #e5e7eb;
        --ftxy-color-active-3: #d1d5db;
        --ftxy-color-active-4: #9ca3af;
        --ftxy-color-active-5: #9ca3af;
        --ftxy-color-active-6: #6b7280;
        --ftxy-tooltip-bg: #1f2937;
        --ftxy-tooltip-color: #f9fafb;
        --ftxy-mask-color: rgba(17, 24, 39, 1);
    }
}

/* 子比主题等通过 body class 切换夜间 */
body.dark-mode .ftxy-toc,
body.night-mode .ftxy-toc,
body.is-dark .ftxy-toc,
.theme-dark .ftxy-toc {
    --ftxy-color-inactive-1: #6b7280;
    --ftxy-color-inactive-2: #6b7280;
    --ftxy-color-inactive-3: #4b5563;
    --ftxy-color-inactive-4: #4b5563;
    --ftxy-color-inactive-5: #374151;
    --ftxy-color-inactive-6: #374151;
    --ftxy-color-active-1: #e5e7eb;
    --ftxy-color-active-2: #e5e7eb;
    --ftxy-color-active-3: #d1d5db;
    --ftxy-color-active-4: #9ca3af;
    --ftxy-color-active-5: #9ca3af;
    --ftxy-color-active-6: #6b7280;
    --ftxy-tooltip-bg: #1f2937;
    --ftxy-tooltip-color: #f9fafb;
    --ftxy-mask-color: rgba(17, 24, 39, 1);
}

/* ====== 减少动画偏好 ====== */
@media (prefers-reduced-motion: reduce) {
    .ftxy-dot {
        transition: none;
    }
    .ftxy-tooltip {
        transition: none;
    }
}