/* ===== 剧情线泳道图 ===== */

/* 筛选栏 */
.swimlane-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.swimlane-filter-bar label {
    color: var(--text-muted);
    font-size: 13px;
    white-space: nowrap;
}
.swimlane-filter-bar select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 13px;
    min-width: 120px;
}
.swimlane-filter-bar select:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.swimlane-filter-clear {
    background: none;
    border: 1px solid var(--border-default);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}
.swimlane-filter-clear:hover {
    color: var(--text-secondary);
    border-color: var(--text-muted);
}

/* 泳道图容器 — 横向滚动 */
.swimlane-grid-wrap {
    overflow-x: auto;
    overflow-y: visible;
    position: relative;
}

/* 泳道网格 — CSS Grid */
.swimlane-grid {
    display: grid;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    min-width: max-content;
}

/* 表头行 */
.swimlane-header-cell {
    background: var(--ink-750);
    color: var(--text-muted);
    font-size: 12px;
    padding: 8px 10px;
    text-align: center;
    border-bottom: 1px solid var(--border-default);
    border-right: 1px solid var(--border-subtle);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}
.swimlane-header-cell:last-child {
    border-right: none;
}
.swimlane-header-cell .sequence-num {
    font-weight: 600;
    color: var(--text-secondary);
}
.swimlane-header-cell .sequence-title {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 行标签 */
.swimlane-label-cell {
    background: var(--ink-800);
    color: var(--gold);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 12px;
    border-right: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    position: sticky;
    left: 0;
    z-index: 10;
    min-width: 110px;
    max-width: 160px;
}
.swimlane-label-cell.is-main {
    color: var(--vermillion-light);
}
.swimlane-label-cell .label-text {
    overflow-wrap: break-word;
    word-break: break-all;
    line-height: 1.3;
}
.swimlane-label-cell .main-badge {
    font-size: 10px;
    background: var(--vermillion-dim);
    color: var(--vermillion-light);
    padding: 1px 6px;
    border-radius: 3px;
    margin-right: 6px;
    white-space: nowrap;
}

/* 内容格子 */
.swimlane-cell {
    min-height: 60px;
    max-width: 160px;
    padding: 4px;
    border-bottom: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    position: relative;
}
.swimlane-cell:last-child {
    border-right: none;
}
.swimlane-cell.empty {
    background: rgba(255,255,255,0.01);
}

/* 序列块 */
.sequence-block {
    padding: 6px 8px;
    border-radius: 4px;
    background: var(--ink-700);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 12px;
    transition: border-color 0.15s, opacity 0.15s, background 0.15s;
    position: relative;
}
.sequence-block:hover {
    border-color: var(--text-muted);
}
.sequence-block .block-num {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 0 4px;
    border-radius: 3px;
    margin-right: 4px;
    color: var(--text-primary);
}
.sequence-block .block-title {
    font-weight: 600;
    color: var(--text-primary);
}
.sequence-block .block-summary {
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}
.sequence-block .block-chars {
    color: var(--steel);
    font-size: 11px;
    margin-top: 2px;
}

/* 序列块 — 筛选命中态 */
.sequence-block.filtered-in {
    border: 2px solid var(--jade);
    background: rgba(76,168,130,0.12);
}
/* 序列块 — 筛选未命中态 */
.sequence-block.filtered-out {
    opacity: 0.3;
}

/* Popover 详情卡片 */
.swimlane-popover {
    position: absolute;
    z-index: 100;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    padding: 14px 16px;
    width: 280px;
    max-width: 320px;
    max-height: 400px;
    overflow-y: auto;
    font-size: 13px;
}
.swimlane-popover .popover-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}
.swimlane-popover .popover-section {
    margin-bottom: 8px;
}
.swimlane-popover .popover-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}
.swimlane-popover .popover-value {
    color: var(--text-secondary);
    font-size: 12px;
}
.swimlane-popover .popover-item {
    padding: 4px 0;
    border-bottom: 1px solid var(--border-subtle);
}
.swimlane-popover .popover-item:last-child {
    border-bottom: none;
}

/* 空状态 */
.swimlane-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
    font-size: 14px;
}
.swimlane-empty .empty-icon {
    font-size: 32px;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* 伏笔链切换开关 */
.swimlane-toggle-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
    color: var(--text-muted);
    transition: color 0.2s;
}
.swimlane-toggle-wrap:hover {
    color: var(--text-secondary);
}
.swimlane-toggle-wrap.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}
.swimlane-toggle-track {
    width: 32px;
    height: 18px;
    border-radius: 9px;
    background: var(--ink-600);
    position: relative;
    transition: background 0.2s;
}
.swimlane-toggle-wrap.active .swimlane-toggle-track {
    background: var(--jade);
}
.swimlane-toggle-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--ink-100);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: left 0.2s;
}
.swimlane-toggle-wrap.active .swimlane-toggle-thumb {
    left: 16px;
}
.swimlane-toggle-label {
    white-space: nowrap;
}

/* ===== 伏笔轨道带 — 网格底部追加的链轨道行 ===== */

/* 分隔条 + 图例（横跨全部列，内容粘性跟随横向滚动） */
.swimlane-track-divider {
    grid-column: 1 / -1;
    background: var(--ink-750);
    border-top: 2px solid var(--border-default);
    border-bottom: 1px solid var(--border-subtle);
}
.track-divider-inner {
    position: sticky;
    left: 0;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 5px 12px;
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}
.track-divider-title {
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}
.track-legend {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.track-legend-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--text-muted);
    flex: none;
}
.track-legend-diamond {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    transform: rotate(45deg);
    flex: none;
}
.track-legend-chip {
    font-size: 10px;
}

/* 深浅色值由 JS 写入内联变量，这里按主题取用（轨道常驻 DOM，切主题不重渲染） */
.swimlane-track-label,
.swimlane-track-cell {
    --chain-color: var(--chain-color-dark);
}

/* 链标签格（粘性左列） */
.swimlane-track-label {
    background: var(--ink-800);
    border-right: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-subtle);
    padding: 6px 10px;
    position: sticky;
    left: 0;
    z-index: 10;
    min-width: 110px;
    max-width: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
}
.track-label-main {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}
.track-chain-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--chain-color);
    flex: none;
}
.track-chain-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.swimlane-track-label:hover .track-chain-name {
    color: var(--text-primary);
}
.track-static-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}
.track-static-chip {
    font-size: 10px;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    border-radius: 3px;
    padding: 0 4px;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 轨道格：横线穿过中线，标记居中 */
.swimlane-track-cell {
    position: relative;
    min-height: 34px;
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.swimlane-track-cell:last-child {
    border-right: none;
}
.swimlane-track-cell.on-path::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    margin-top: -1px;
    background: var(--chain-color);
    opacity: 0.5;
}
.swimlane-track-cell.path-start::before {
    left: 50%;
}
.swimlane-track-cell.path-end::before {
    right: 50%;
}

/* 标记：● 伏笔来源 / ◆ 揭示转折 */
.track-marker {
    position: relative;
    z-index: 2;
    cursor: pointer;
    flex: none;
    transition: transform 0.15s, filter 0.15s;
}
.track-marker.plant {
    min-width: 12px;
    height: 12px;
    border-radius: 7px;
    background: var(--chain-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 2px;
    font-size: 9px;
    font-weight: 700;
    line-height: 1;
    color: var(--ink-900);
}
.track-marker.reveal {
    width: 11px;
    height: 11px;
    background: var(--chain-color);
    transform: rotate(45deg);
}
.track-marker.plant:hover {
    transform: scale(1.25);
    filter: brightness(1.2);
}
.track-marker.reveal:hover {
    transform: rotate(45deg) scale(1.25);
    filter: brightness(1.2);
}

/* 链未关联任何序列/转折时的占位提示 */
.track-empty-hint {
    font-size: 10px;
    color: var(--text-muted);
    opacity: 0.7;
    white-space: nowrap;
}

/* 悬停标记时高亮所在列 */
.swimlane-header-cell.fs-col-hint {
    background: var(--ink-700);
    color: var(--text-secondary);
}
.swimlane-cell.fs-col-hint,
.swimlane-track-cell.fs-col-hint {
    background: rgba(255,255,255,0.035);
}

/* 伏笔详情弹出卡片 */
.foreshadow-popover {
    position: absolute;
    z-index: 110;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    padding: 12px 14px;
    width: 240px;
    max-width: 280px;
    font-size: 13px;
    pointer-events: auto;
}
.foreshadow-popover .fp-chain-head {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: 7px;
    margin-bottom: 7px;
    border-bottom: 1px solid var(--border-subtle);
}
.foreshadow-popover .fp-chain-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex: none;
}
.foreshadow-popover .fp-ref-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
    min-width: 0;
}
.foreshadow-popover .fp-type {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 3px;
    flex: none;
}
.foreshadow-popover .fp-type.type-character {
    background: rgba(106,160,204,0.2);
    color: var(--steel);
}
.foreshadow-popover .fp-type.type-world_setting {
    background: rgba(76,168,130,0.2);
    color: var(--jade);
}
.foreshadow-popover .fp-type.type-sequence {
    background: rgba(212,180,92,0.2);
    color: var(--gold);
}
.foreshadow-popover .fp-type.type-reveal {
    background: var(--vermillion-dim);
    color: var(--vermillion-light);
}
.foreshadow-popover .fp-name {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.foreshadow-popover .fp-field-tag {
    font-size: 11px;
    color: var(--text-muted);
    flex: none;
}
.foreshadow-popover .fp-meta {
    color: var(--text-secondary);
    font-size: 12px;
    padding: 2px 0;
}
.foreshadow-popover .fp-desc {
    color: var(--text-muted);
    font-size: 12px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 6px;
    padding-top: 6px;
    line-height: 1.5;
}

/* Light theme overrides */
[data-theme="light"] .swimlane-header-cell {
    background: var(--bg-hover);
}
[data-theme="light"] .swimlane-label-cell {
    background: var(--bg-card);
    color: var(--text-secondary);
}
[data-theme="light"] .swimlane-label-cell.is-main {
    color: var(--vermillion);
}
[data-theme="light"] .swimlane-cell.empty {
    background: rgba(0,0,0,0.01);
}
[data-theme="light"] .sequence-block {
    background: var(--bg-hover);
}
[data-theme="light"] .sequence-block.filtered-in {
    background: rgba(76,168,130,0.08);
}
[data-theme="light"] .swimlane-toggle-track {
    background: var(--ink-300);
}
[data-theme="light"] .swimlane-toggle-wrap.active .swimlane-toggle-track {
    background: var(--jade);
}
[data-theme="light"] .swimlane-track-divider {
    background: var(--bg-hover);
}
[data-theme="light"] .swimlane-track-label {
    background: var(--bg-card);
}
[data-theme="light"] .swimlane-track-label,
[data-theme="light"] .swimlane-track-cell {
    --chain-color: var(--chain-color-light);
}
[data-theme="light"] .swimlane-header-cell.fs-col-hint {
    background: var(--bg-hover);
}
[data-theme="light"] .swimlane-cell.fs-col-hint,
[data-theme="light"] .swimlane-track-cell.fs-col-hint {
    background: rgba(0,0,0,0.04);
}
[data-theme="light"] .track-marker.plant {
    color: var(--ink-800);
}

/* ≤640：泳道横向滚动的触控优化（动量滚动 + 避免触发浏览器返回手势） */
@media (max-width: 640px) {
    .swimlane-grid-wrap {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
    }
}