/**
 * 浮层：hover 提示、样式弹窗、应用弹窗、作者弹窗、自定义下拉、取色器、窄宽适配
 *
 * 由原单文件 css/style.css 按区块切分而来（R164）。
 * 注意：本文件的引入顺序即级联顺序，调整顺序可能改变样式优先级。
 */

/* ===== Unified hover tips ===== */
.app-tooltip {
    position: fixed;
    z-index: 10000;
    max-width: min(240px, calc(100vw - 16px));
    min-height: 28px;
    padding: 6px 9px;
    border: 1px solid var(--tooltip-border);
    border-radius: 6px;
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.35;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.16);
    animation: tooltipIn var(--transition-fast) both;
}

/* 长文本提示（数据集完整介绍，配 data-tooltip-wrap）：允许换行、更宽、正文字重 */
.app-tooltip--wrap {
    max-width: min(320px, calc(100vw - 16px));
    white-space: normal;
    font-weight: 400;
    line-height: 1.55;
    text-align: left;
    padding: 8px 10px;
}

@keyframes tooltipIn {
    from { opacity: 0; transform: translateY(3px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 图层样式配置弹窗 ===== */
.style-modal-overlay[hidden] { display: none !important; }

/* ===== 统一应用弹窗（确认 / 信息共用） ===== */
.app-modal-overlay[hidden] { display: none !important; }

.app-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    animation: fadeIn var(--transition-fast) both;
}

.app-modal {
    width: 320px;
    max-width: calc(100vw - 32px);
    border-radius: 14px;
    background: var(--bg-secondary);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.32);
    padding: 18px 18px 14px;
    animation: modalIn 0.18s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* nowrap 模式：弹窗宽度按内容自适应（一行显示），用于下载等短确认 */
.app-modal.nowrap {
    width: max-content;
}

.app-modal-head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-modal-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--accent-light);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.app-modal-icon i.danger {
    color: var(--danger-color);
    background: transparent;
}

.app-modal-icon.danger {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger-color);
}

.app-modal-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.2px;
}

.app-modal-body {
    margin: 14px 0 16px;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-line;
    word-break: break-word;
    max-height: 50dvh;
    overflow-y: auto;
}

/* nowrap 模式：消息不换行（弹窗按内容宽度撑开） */
.app-modal.nowrap .app-modal-body {
    white-space: nowrap;
    overflow: hidden;
}

.app-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.app-modal-footer .modal-btn.danger {
    border-color: var(--danger-color);
    background: var(--danger-color);
    color: #fff;
}

.app-modal-footer .modal-btn.danger:hover {
    background: #dc2626;
    color: #fff;
}

/* ===== 作者信息弹窗（导航栏品牌区点击打开，R55） ===== */
.author-modal-overlay[hidden] { display: none !important; }

.author-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    animation: fadeIn var(--transition-fast) both;
}

.author-modal {
    position: relative;
    /* R73：加宽到 520px，两列各约 230px，GitHub 链接（github.com/LiChongrui/map）单行不再换行 */
    width: 520px;
    max-width: calc(100vw - 32px);
    max-height: calc(100dvh - 48px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 16px;
    background: var(--bg-secondary);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.32);
    padding: 22px 22px 16px;
    animation: modalIn 0.18s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* R62：弹窗头部与底部按钮固定，只有中间内容区滚动 */
.author-modal-head,
.author-modal-footer {
    flex-shrink: 0;
}

/* R74：作者信息与项目信息 2×4 grid——左右对应块逐行对齐（title↔title / bio↔website / 邮箱↔GitHub / sponsor↔details），
   每行两个元素同高同顶（grid stretch），消除 R70 时期 bio/website 文字行数不同导致的邮箱/GitHub 错位 */
.author-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto;
    grid-template-areas:
        "t1 t2"
        "b1 b2"
        "c1 c2"
        "s1 d1";
    gap: 14px 16px;
    margin-top: 20px;
}

.author-columns .area-t1 { grid-area: t1; }
.author-columns .area-t2 { grid-area: t2; }
.author-columns .area-b1 { grid-area: b1; }
.author-columns .area-b2 { grid-area: b2; }
.author-columns .area-c1 { grid-area: c1; }
.author-columns .area-c2 { grid-area: c2; }
.author-columns .area-s1 { grid-area: s1; }
.author-columns .area-d1 { grid-area: d1; }

.author-col-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    /* R74：标题与内容间距由 grid gap（14px）承担，不再用 margin-bottom */
}

.author-col-title i {
    color: var(--accent-color);
    font-size: 11px;
}

/* R74：grid 子项直接布局，去掉旧的 .author-col flex 弹性（flex:1 1 auto / margin-top:auto 不再需要） */
.author-modal-bio {
    margin: 0;
    line-height: 1.8;
    font-size: 13px;
    color: var(--text-secondary);
    word-break: break-word;
}

.website-text {
    margin: 0;
    line-height: 1.8;
    font-size: 13px;
    color: var(--text-secondary);
    word-break: break-word;
}

/* 极窄视口：两列降为一列，保持「作者区 → 项目区」阅读顺序 */
@media (max-width: 400px) {
    .author-columns {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto auto auto auto auto;
        grid-template-areas:
            "t1"
            "b1"
            "c1"
            "s1"
            "t2"
            "b2"
            "c2"
            "d1";
        gap: 14px;
    }
}

.author-modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    margin: 0 -6px 0 0;
    padding: 0 6px 0 0;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.author-modal-body::-webkit-scrollbar {
    width: 6px;
}

.author-modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.author-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.author-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.author-modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.author-modal-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-right: 28px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(79, 110, 247, 0.4);
    user-select: none;
}

.author-modal-head-text {
    min-width: 0;
}

.author-modal-name {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.author-modal-tagline {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.4px;
}

.author-modal-details {
    list-style: none;
    /* R74：间距由 grid gap 承担（原 margin: 16px 0 0 会与 gap 叠加） */
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}

.author-modal-details li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 2px;
    border-bottom: 1px solid var(--border-color);
}

.author-modal-details li:last-child {
    border-bottom: none;
}

.author-modal-details .detail-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: var(--accent-light);
    color: var(--accent-color);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}

.author-modal-details .detail-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.author-modal-details .detail-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.author-modal-details .detail-value {
    font-size: 12.5px;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-word;
}

.author-modal-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

/* 联系方式（邮箱 / GitHub，R57）：可点击行，hover 浅背景 + 值变 accent 色 */
.author-modal-contacts {
    /* R74：间距由 grid gap 承担（原 margin: 4px 0 0 会与 gap 叠加） */
    margin: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
}

.author-modal-contacts .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 6px;
    margin: 2px 0;
    border-radius: 10px;
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.author-modal-contacts .contact-item:hover {
    background: var(--bg-hover);
}

.author-modal-contacts .contact-item:active {
    transform: scale(0.99);
}

.author-modal-contacts .contact-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.author-modal-contacts .contact-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.author-modal-contacts .contact-value {
    font-size: 12.5px;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-all;
    transition: color var(--transition-fast);
}

.author-modal-contacts .contact-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
    letter-spacing: 0.1px;
}

.author-modal-contacts .contact-item:hover .contact-value {
    color: var(--accent-color);
}

/* 邮箱「点击复制」按钮：与链接行同款外观（button 需重置默认样式） */
.author-modal-contacts .contact-copy {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    border: none;
    background: none;
    font: inherit;
    text-align: left;
    cursor: pointer;
    color: inherit;
}

/* 友情赞助区块（R59 创建，R63 首位→R64 第三位→R66 并入「关于作者」列）：二维码 + 说明 */
.author-modal-sponsor {
    /* R74：间距由 grid gap 承担（原 margin: 14px 0 0 会与 gap 叠加） */
    margin: 0;
    padding: 12px 6px 2px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.author-modal-sponsor .sponsor-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.author-modal-sponsor .sponsor-title i {
    color: var(--danger-color);
    font-size: 11px;
}

.author-modal-sponsor .sponsor-qr {
    width: 128px;
    height: 128px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: #fff;
    object-fit: contain;
    padding: 4px;
}

.author-modal-sponsor .sponsor-desc {
    margin: 0;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
    text-align: center;
}

.style-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    animation: fadeIn var(--transition-fast) both;
}

.style-modal {
    /* R108：弹窗适当加宽，避免设置控件被压缩 */
    width: 360px;
    max-width: calc(100vw - 32px);
    max-height: calc(100dvh - 48px);
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    background: var(--tooltip-bg);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.32);
    overflow: hidden;
    animation: modalIn 0.18s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.style-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 12px 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.style-modal-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.style-modal-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--accent-light);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.style-modal-head-text { min-width: 0; }

.style-modal-title {
    margin: 0;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.style-modal-sub {
    display: block;
    font-size: 10.5px;
    color: var(--text-muted);
    margin-top: 1px;
}

.style-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px 8px;
}

/* ===== 样式分组（填充/边界/线条/点/边线）：标题层级 + 字段缩进 ===== */
.style-group {
    margin-bottom: 6px;
}

.style-group-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent-color);
    padding: 2px 0 7px;
    /* R108：分组标题不换行，保持标题条完整 */
    white-space: nowrap;
    flex-shrink: 0;
}

/* 标题前的小色标，强化一级层级 */
.style-group-title::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--accent-color);
    opacity: 0.85;
    flex-shrink: 0;
}

.style-group-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* 字段整体缩进 + 左侧竖线，形成二级层级 */
.style-group-fields {
    margin-left: 3px;
    padding-left: 11px;
    border-left: 2px solid var(--accent-light);
}

.style-group-fields .style-field:last-child {
    margin-bottom: 6px;
}

/* R110：图例/标注设置内的「示例」预览区 */
/* R111：轻量示例条（置于面板顶部，不做厚重卡片式设计） */
.style-preview {
    margin: 0 0 12px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary, rgba(0,0,0,0.02));
}
.style-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.style-preview-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    border-radius: 6px;
    background: var(--map-bg, #e5e3df);
    overflow: hidden;
}
.style-preview-svg { width: 100%; height: 64px; display: block; }
.label-preview-sample {
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    /* R114：示例文本不带背景，仅保留描边（halo）效果 */
    text-shadow: 0 0 3px #fff, 0 0 1.5px #fff;
    white-space: nowrap;
}

.style-field {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 9px;
}

/* 字段标签：次级文字样式（与分组标题形成主次区别） */
.style-field label {
    width: 64px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    flex-shrink: 0;
    /* R108：字段标签不换行 */
    white-space: nowrap;
}

.style-control {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.label-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}
.label-check input { accent-color: var(--accent-color); }

/* ===== R114：自定义下拉（替代原生 select，彻底定制选项/悬停样式） ===== */
.custom-select { position: relative; width: 100%; }
.custom-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: var(--bg-hover);
    color: var(--text-primary);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.custom-select-trigger:hover,
.custom-select.open .custom-select-trigger { border-color: var(--accent-color); }
.custom-select.open .custom-select-trigger { box-shadow: 0 0 0 3px var(--accent-light); }
.custom-select-caret { font-size: 9px; color: var(--text-muted); transition: transform var(--transition-fast); flex-shrink: 0; }
.custom-select.open .custom-select-caret { transform: rotate(180deg); }
.custom-select-options {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 50;
    max-height: 200px;
    overflow-y: auto;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: var(--bg-secondary);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.custom-select-option {
    padding: 6px 8px;
    border-radius: 5px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
/* 悬停 / 键盘聚焦高亮（与项目主色一致） */
.custom-select-option:hover,
.custom-select-option:focus { background: var(--accent-color); color: #fff; outline: none; }
.custom-select-option.selected { background: var(--accent-light); color: var(--accent-color); font-weight: 600; }

/* ===== 自定义取色器（应用内调色板，样式跟随亮/暗主题） ===== */
.color-field-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 3px 8px 3px 4px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: var(--bg-hover);
    cursor: pointer;
    font: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.color-field-btn:hover,
.color-field-btn:focus-visible {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
    outline: none;
}

.color-field-swatch {
    width: 22px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid rgba(15, 23, 42, 0.18);
    flex-shrink: 0;
}

.color-field-caret {
    font-size: 9px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* 弹层：fixed 定位（不受样式弹窗 overflow 裁剪），z-index 高于样式弹窗 */
.color-picker-pop {
    position: fixed;
    z-index: 4000;
    width: 212px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: modalIn 0.15s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* 饱和度/明度面板（底色由 JS 按色相实时更新） */
.cp-sv {
    position: relative;
    height: 108px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: crosshair;
    touch-action: none;
}

.cp-sv-cursor {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.55);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* 色相滑块：彩虹渐变轨道 + 白色环形滑柄 */
.cp-hue {
    width: 100%;
    height: 10px;
    appearance: none;
    -webkit-appearance: none;
    border-radius: 5px;
    outline: none;
    cursor: pointer;
    background: linear-gradient(to right, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000);
}

.cp-hue::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    border: 3px solid #fff;
    box-shadow: 0 0 0 1.5px rgba(15, 23, 42, 0.5), 0 1px 4px rgba(0, 0, 0, 0.4);
    cursor: pointer;
}

.cp-hue::-moz-range-thumb {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: transparent;
    border: 3px solid #fff;
    box-shadow: 0 0 0 1.5px rgba(15, 23, 42, 0.5), 0 1px 4px rgba(0, 0, 0, 0.4);
    cursor: pointer;
}

/* 预设色板 */
.cp-presets {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 5px;
}

.cp-preset {
    width: 100%;
    aspect-ratio: 1;
    padding: 0;
    border: 1px solid rgba(15, 23, 42, 0.15);
    border-radius: 4px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.cp-preset:hover { transform: scale(1.18); }

.cp-hex-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cp-hex-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.cp-hex-input {
    flex: 1;
    min-width: 0;
    height: 26px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-hover);
    color: var(--text-primary);
    font: inherit;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.cp-hex-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.hex-val {
    font-size: 11px;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    color: var(--text-secondary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.style-field input[type="range"] {
    flex: 1;
    min-width: 0;
    height: 4px;
    appearance: none;
    -webkit-appearance: none;
    border-radius: 2px;
    background: var(--border-color);
    outline: none;
    cursor: pointer;
}

.style-field input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 2.5px solid var(--tooltip-bg);
    box-shadow: 0 0 0 1.5px var(--accent-color);
    transition: transform var(--transition-fast);
}

.style-field input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }

.style-field input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 2.5px solid var(--tooltip-bg);
    box-shadow: 0 0 0 1.5px var(--accent-color);
    cursor: pointer;
}

.style-field .range-val {
    min-width: 42px;
    text-align: right;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.style-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px 12px;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-btn.primary {
    /* 主操作按钮统一用 accent 渐变（与添加数据集、应用所选、dataset-add-btn 保持一致） */
    border-color: transparent;
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 110, 247, 0.3);
}

.modal-btn.primary:hover:not(:disabled) {
    filter: brightness(1.08);
    box-shadow: 0 4px 14px rgba(79, 110, 247, 0.4);
}

.modal-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* 关键：.modal-btn 设了 display:inline-flex 会覆盖 hidden 属性的默认 display:none（作者样式优先于 UA 样式），
   导致「取消」按钮隐藏失败显示为空白——必须显式恢复 */
.modal-btn[hidden] {
    display: none !important;
}

/* 弹窗打开时锁定背景滚动 */
body.modal-open { overflow: hidden; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(10px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== 侧边栏窄宽适配（220–260px）：图标按钮已让工具栏更紧凑，内容也做收紧，避免图层名竖排 ===== */
@container sidebar (max-width: 260px) {
    .panel-tabs {
        padding: 0 8px;
    }
    .panel-tab {
        padding: 8px 6px;
        font-size: 12px;
        gap: 4px;
    }
    .panel-toolbar {
        padding: 6px 8px;
        gap: 6px;
    }
    .panel-stats {
        padding: 6px 8px;
        gap: 5px;
        font-size: 11px;
    }
    .panel-stats .stat-num {
        font-size: 12px;
    }
    .dataset-row {
        padding: 8px;
        gap: 8px;
    }
    .dataset-row-icon {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    .dataset-row-name {
        font-size: 12.5px;
    }
    .dataset-row-meta {
        font-size: 11px;
    }
    .ds-pill {
        font-size: 11px;
        padding: 3px 7px;
    }
    .layer-item {
        padding: 5px 8px;
        gap: 6px;
    }
    .layer-item .layer-actions button {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }
    .layer-item .layer-name {
        font-size: 12px;
    }
    /* 极窄面板下隐藏图层行的缩放 / 标注按钮，保留「更多」菜单以释放名称空间 */
    .layer-item .layer-actions .zoom-btn,
    .layer-item .layer-actions .label-btn {
        display: none;
    }
    .layer-item .layer-meta {
        font-size: 10.5px;
        gap: 5px;
    }
    .layer-group-header {
        padding: 7px 8px;
        gap: 6px;
    }
    .layer-group-name {
        font-size: 12.5px;
    }
    .layer-group-count {
        font-size: 10px;
        min-width: 16px;
        height: 16px;
    }
    .layer-group-header button {
        width: 22px;
        height: 22px;
        font-size: 11px;
    }
}