/*
 * ╔══════════════════════════════════════════════════════════════╗
 * ║           CGo UI Library — cgo_components.css               ║
 * ║           专项组件 (Specialized & Complex Components)        ║
 * ║                                                              ║
 * ║  版本：1.0.0 · 2026-06                                       ║
 * ║  作者：Central Go / NaL                                      ║
 * ║                                                              ║
 * ║  内容：                                                      ║
 * ║    1. 管理台 — 自定义选择器 (Admin Select)                    ║
 * ║    2. 管理台 — 多选 (Admin Multiselect)                       ║
 * ║    3. 管理台 — 权限面板 (Permission Board)                    ║
 * ║    4. 管理台 — 用户列表项 (Admin List Item)                   ║
 * ║    5. 管理台 — 表单字段 (Admin Field)                         ║
 * ║    6. 偏好设置列表 (Preferences List)                         ║
 * ║    7. 地图信息面板 (Map Info Panel)                           ║
 * ║    8. 地图缩放控件 (Map Zoom Control)                         ║
 * ║    9. 地图路线胶囊 (Route Capsule & Result)                   ║
 * ║   10. 地图图例覆盖 (Legend Overlay)                           ║
 * ║   11. 地图车站与标签 (Station & Label)                        ║
 * ║   12. 路线图 SVG 线路 (Line Visual)                           ║
 * ║   13. 对话聊天气泡 (Chat Bubble)                              ║
 * ║   14. 反馈/联系对话框 (Feedback Chat)                         ║
 * ║   15. 帮助链接按钮 (Help Link Button)                         ║
 * ║   16. 图片/PDF 增强 (Media Enhancements)                      ║
 * ║   17. 验证码行 (Captcha Row)                                  ║
 * ║   18. Scroll Bar 美化                                         ║
 * ╚══════════════════════════════════════════════════════════════╝
 *
 * ⚠  依赖：cgo_clr.css → cgo_element.css → cgo_ui.css → cgo_components.css
 */

/* =====================================================
   §1  管理台 — 自定义选择器 (Admin Select)
   ===================================================== */
.admin-tab {
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: var(--admin-muted, var(--text-light));
    padding: 10px 12px;
    text-align: left;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-sans);
    transition: all 0.18s ease;
}
.admin-tab:hover  { background: var(--admin-surface-soft, var(--panel-bg)); color: var(--admin-text, var(--text-main)); }
.admin-tab.is-active { background: var(--admin-primary, var(--primary-color)); color: #fff; border-color: transparent; }

/* 管理台选择器包装 */
.admin-select {
    --select-accent: var(--admin-primary, var(--primary-color));
    --select-soft:   #f4f8fd;
    --select-border: var(--admin-border-strong, var(--border-color));
    position: relative;
    width: 100%;
    min-width: 136px;
    color: var(--admin-text, var(--text-main));
}
.admin-select.has-open-layer,
.admin-multiselect.has-open-layer { z-index: 120; }

/* 状态色 */
.admin-select[data-value='enabled'] { --select-accent: var(--permission-enabled); --select-soft: var(--permission-enabled-soft); --select-border: var(--permission-enabled-border); }
.admin-select[data-value='disabled'] { --select-accent: var(--permission-disabled); --select-soft: var(--permission-disabled-soft); --select-border: var(--permission-disabled-border); }
.admin-select[data-value='hidden']   { --select-accent: var(--permission-hidden); --select-soft: var(--permission-hidden-soft); --select-border: var(--permission-hidden-border); }
.admin-select[data-value='inherit']  { --select-accent: var(--permission-inherit); --select-soft: var(--permission-inherit-soft); --select-border: var(--permission-inherit-border); }

/* 尺寸变体 */
.permission-toolbar .admin-select   { width: 164px; }
.permission-card .admin-select,
.permission-asset-panel .admin-select,
.permission-asset-category .admin-select,
.permission-asset-icon-row .admin-select { width: 118px; min-width: 118px; }

.admin-select-button {
    width: 100%;
    height: 34px;
    border: 1px solid var(--select-border);
    border-radius: 4px;
    background: var(--select-soft);
    color: var(--admin-text, var(--text-main));
    padding: 0 10px;
    display: grid;
    grid-template-columns: 9px minmax(0, 1fr) 12px;
    align-items: center;
    gap: 8px;
    text-align: left;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: none;
    border: 1px solid var(--select-border);
    font-family: var(--font-sans);
    transition: border-color 0.15s ease;
}
.admin-select-button:hover     { border-color: var(--select-accent); }
.admin-select-button:focus-visible {
    outline: none;
    border-color: var(--select-accent);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--select-accent) 22%, transparent);
}
.admin-select.is-disabled .admin-select-button {
    cursor: not-allowed;
    color: var(--admin-muted, var(--text-light));
    background: color-mix(in oklab, var(--admin-text, var(--text-main)) 6%, transparent);
    border-color: var(--admin-border, var(--border-color));
}

.admin-select-current-dot {
    width: 9px; height: 9px;
    border-radius: 999px;
    background: var(--select-accent);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--select-accent) 14%, transparent);
    flex-shrink: 0;
}
.admin-select-current-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 下拉箭头 */
.admin-select-arrow {
    width: 8px; height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 160ms ease;
    flex-shrink: 0;
}
.admin-select.is-open .admin-select-arrow   { transform: translateY(2px) rotate(225deg); }
.admin-multiselect.is-open .admin-select-arrow { transform: translateY(2px) rotate(225deg); }

/* 下拉选项菜单 */
.admin-select-menu {
    position: absolute;
    left: 0; right: 0;
    top: calc(100% + 6px);
    z-index: 40;
    display: none;
    padding: 6px;
    border: 1px solid var(--admin-border, var(--border-color));
    border-radius: 6px;
    background: color-mix(in oklab, var(--admin-surface, var(--card-bg)) 98%, transparent);
    box-shadow: 0 18px 42px rgba(16,32,51,0.16);
}
.admin-select.is-open .admin-select-menu { display: grid; gap: 3px; }

.admin-select-option {
    --option-accent: var(--admin-primary, var(--primary-color));
    width: 100%;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--admin-text, var(--text-main));
    display: grid;
    grid-template-columns: 8px minmax(0,1fr);
    align-items: center;
    gap: 8px;
    padding: 8px 9px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-sans);
}
.admin-select-option[data-value='enabled'] { --option-accent: var(--permission-enabled); }
.admin-select-option[data-value='disabled'] { --option-accent: var(--permission-disabled); }
.admin-select-option[data-value='hidden']   { --option-accent: var(--permission-hidden); }
.admin-select-option[data-value='inherit']  { --option-accent: var(--permission-inherit); }
.admin-select-option:hover,
.admin-select-option.is-selected {
    background: color-mix(in oklab, var(--option-accent) 10%, white);
    color: color-mix(in oklab, var(--option-accent) 78%, #102033);
}
.admin-select-option-dot {
    width: 8px; height: 8px;
    border-radius: 999px;
    background: var(--option-accent);
    flex-shrink: 0;
}

/* =====================================================
   §2  管理台 — 多选 (Admin Multiselect)
   ===================================================== */
.admin-multiselect {
    position: relative;
    width: min(520px, 100%);
    margin: -2px 0 20px;
}
.admin-multiselect-button {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--admin-border-strong, var(--border-color));
    border-radius: 4px;
    background: var(--admin-surface, var(--card-bg));
    color: var(--admin-text, var(--text-main));
    display: grid;
    grid-template-columns: auto minmax(0,1fr) 12px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    text-align: left;
    cursor: pointer;
    box-shadow: none;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.admin-multiselect-button:hover,
.admin-multiselect.is-open .admin-multiselect-button {
    border-color: var(--admin-primary, var(--primary-color));
    box-shadow: 0 0 0 3px var(--admin-focus, rgba(0,96,152,0.15));
}
.admin-multiselect.is-disabled .admin-multiselect-button {
    cursor: not-allowed;
    color: var(--admin-muted, var(--text-light));
    background: color-mix(in oklab, var(--admin-text, var(--text-main)) 6%, transparent);
    border-color: var(--admin-border, var(--border-color));
    box-shadow: none;
}
.admin-multiselect-summary {
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--admin-primary-soft, rgba(0,96,152,0.1));
    color: var(--admin-primary, var(--primary-color));
    font-size: 11px;
    font-weight: 800;
    white-space: nowrap;
}
.admin-multiselect-selection {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 700;
}

.admin-multiselect-menu {
    position: absolute;
    left: 0; right: 0;
    top: calc(100% + 8px);
    z-index: 45;
    display: none;
    max-height: 280px;
    overflow: auto;
    padding: 7px;
    border: 1px solid var(--admin-border, var(--border-color));
    border-radius: 6px;
    background: color-mix(in oklab, var(--admin-surface, var(--card-bg)) 98%, transparent);
    box-shadow: 0 20px 50px rgba(16,32,51,0.18);
}
.admin-multiselect.is-open .admin-multiselect-menu { display: grid; gap: 4px; }

.admin-multiselect-option {
    display: grid;
    grid-template-columns: 18px minmax(0,1fr);
    gap: 9px;
    align-items: center;
    min-height: 34px;
    padding: 8px 9px;
    border-radius: 4px;
    color: var(--admin-text, var(--text-main));
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
    transition: background 0.12s ease;
}
.admin-multiselect-option:hover,
.admin-multiselect-option.is-selected {
    background: var(--admin-primary-soft, rgba(0,96,152,0.1));
}
.admin-multiselect-option input { display: none; }

.admin-multiselect-check {
    width: 16px; height: 16px;
    border: 1px solid #9eb2cc;
    border-radius: 5px;
    background: var(--admin-surface, var(--card-bg));
    position: relative;
    flex-shrink: 0;
}
.admin-multiselect-option.is-selected .admin-multiselect-check {
    border-color: var(--admin-primary, var(--primary-color));
    background: var(--admin-primary, var(--primary-color));
}
.admin-multiselect-option.is-selected .admin-multiselect-check::after {
    content: '';
    position: absolute;
    left: 4px; top: 1px;
    width: 5px; height: 9px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
}

/* =====================================================
   §3  管理台 — 权限面板 (Permission Board)
   ===================================================== */
.permission-board { display: grid; gap: 14px; }
.permission-list  { display: grid; gap: 14px; }

.permission-board-head {
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 16px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid var(--admin-border, var(--border-color));
    border-radius: 6px;
    background: var(--admin-surface-soft, var(--panel-bg));
    box-shadow: 0 10px 24px rgba(16,32,51,0.05);
}
.permission-board-copy   { display: grid; gap: 3px; max-width: 640px; }
.permission-board-kicker {
    font-size: 12px; font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--admin-primary, var(--primary-color));
    text-transform: uppercase;
}
.permission-board-copy h4 { margin: 0; font-size: 17px; line-height: 1.2; }
.permission-board-copy p  { margin: 0; color: var(--admin-muted, var(--text-light)); font-size: 12px; line-height: 1.5; }

.permission-board-stats {
    display: grid;
    grid-auto-flow: column;
    gap: 8px;
}
.permission-stat {
    min-width: 72px;
    padding: 8px 10px;
    border-radius: 4px;
    background: color-mix(in oklab, var(--admin-surface, var(--card-bg)) 72%, transparent);
    border: 1px solid var(--admin-border, var(--border-color));
    display: grid;
    gap: 4px;
    text-align: center;
}
.permission-stat-value         { font-size: 16px; line-height: 1; font-weight: 800; color: var(--admin-text, var(--text-main)); }
.permission-stat-value.is-enabled  { color: var(--permission-enabled); }
.permission-stat-value.is-disabled { color: var(--permission-disabled); }
.permission-stat-value.is-hidden   { color: var(--permission-hidden); }
.permission-stat-label { font-size: 10px; color: var(--admin-muted, var(--text-light)); }

.permission-board-legend {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--admin-muted, var(--text-light));
    align-items: center;
    padding: 0 4px;
}

.permission-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 12px 0 14px;
}
.permission-toolbar select { min-width: 136px; }

/* 原生 select 隐藏（被自定义组件替代）*/
.admin-native-select {
    position: absolute;
    width: 1px !important; height: 1px !important;
    min-width: 0 !important; padding: 0 !important;
    border: 0 !important; opacity: 0;
    pointer-events: none;
}

/* 表单字段 */
.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.admin-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0 10px;
}
.admin-section-title h3 { margin: 0; }

.admin-inline-hint {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    border-radius: 999px;
    border: 1px solid var(--admin-border, var(--border-color));
    background: var(--admin-surface-soft, var(--panel-bg));
    color: var(--admin-primary, var(--primary-color));
    font-size: 12px; font-weight: 800;
    cursor: help;
    user-select: none;
}
.admin-inline-hint::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    width: min(360px, 52vw);
    padding: 8px 10px;
    border-radius: 6px;
    background: rgba(16,32,51,0.94);
    color: #fff;
    font-size: 12px;
    line-height: 1.5;
    box-shadow: 0 14px 32px rgba(16,32,51,0.22);
    opacity: 0;
    pointer-events: none;
    transition: opacity 140ms ease;
    z-index: 160;
    white-space: normal;
}
.admin-inline-hint:hover::after,
.admin-inline-hint:focus-visible::after { opacity: 1; }

/* =====================================================
   §4  管理台 — 用户列表项 (Admin List Item)
   ===================================================== */
.admin-list-item {
    width: 100%;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--admin-text, var(--text-main));
    display: grid;
    gap: 3px;
    padding: 10px;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: background 0.15s ease;
}
.admin-list-item:hover   { background: var(--admin-primary-soft, rgba(0,96,152,0.08)); }
.admin-list-item.is-active { background: var(--admin-primary-soft, rgba(0,96,152,0.1)); color: var(--admin-primary, var(--primary-color)); }

.admin-list-title { font-weight: 700; font-size: 14px; }
.admin-list-meta  { font-size: 12px; color: var(--admin-muted, var(--text-light)); }

/* =====================================================
   §5  管理台 — 表单字段 (Admin Field)
   ===================================================== */
.admin-field {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: var(--admin-text, var(--text-main));
    font-weight: 650;
}
.admin-field input,
.admin-field select,
.permission-toolbar select,
.permission-row select {
    height: 34px;
    border: 1px solid var(--admin-border-strong, var(--border-color));
    border-radius: 4px;
    background: var(--admin-surface, var(--card-bg));
    color: var(--admin-text, var(--text-main));
    padding: 0 8px;
    font-family: var(--font-sans);
}
.admin-field input:focus,
.admin-field select:focus,
.permission-toolbar select:focus,
.permission-row select:focus {
    border-color: var(--admin-primary, var(--primary-color));
    box-shadow: 0 0 0 3px var(--admin-focus, rgba(0,96,152,0.15));
    outline: none;
}
.admin-field input:disabled,
.admin-field select:disabled,
.permission-row select:disabled {
    background: color-mix(in oklab, var(--admin-text, var(--text-main)) 6%, transparent);
    color: var(--admin-muted, var(--text-light));
    border-color: var(--admin-border, var(--border-color));
    opacity: 1;
    cursor: not-allowed;
}

/* 保存动画 */
@keyframes adminSavePulse {
    0%   { transform: scale(1);    box-shadow: 0 18px 46px rgba(16,32,51,0.16); }
    40%  { transform: scale(1.05); box-shadow: 0 20px 54px rgba(16,32,51,0.22); }
    100% { transform: scale(1);    box-shadow: 0 18px 46px rgba(16,32,51,0.16); }
}
.admin-sticky-actions .btn.is-save-success {
    animation: adminSavePulse 650ms ease;
}

/* =====================================================
   §6  偏好设置列表 (Preferences List)
   ===================================================== */
.preferences-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}
.preferences-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pref-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: background-color 0.2s;
    gap: 15px;
}
.pref-item:hover { background-color: var(--btn-info-bg); }

.pref-left-group {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 180px;
    flex-shrink: 0;
}
.pref-tool-icon {
    width: 26px; height: 26px;
    object-fit: contain;
    border-radius: 4px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pref-tool-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.pref-middle-group {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-right: 20px;
}
.pref-project-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
}
.pref-status-text {
    font-size: 0.88rem;
    color: var(--text-light);
    word-break: break-all;
}
.pref-actions {
    flex-shrink: 0;
    min-width: 80px;
    display: flex;
    justify-content: flex-end;
}
.pref-tool-svg-icon {
    width: 20px; height: 20px;
    fill: currentColor;
    color: var(--text-light);
    display: block;
}

/* =====================================================
   §7  地图信息面板 (Map Info Panel)
   ===================================================== */
#info-panel {
    width: 360px;
    padding: 0;
    background: var(--card-bg) !important;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    overflow: hidden;
    position: fixed;
    z-index: 2000;
    top: 0; left: 0;
    font-weight: 400;
    overscroll-behavior: contain;
    touch-action: pan-y;
    display: none;
}
#info-panel.panel-adjust-anim {
    transition: top 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}

.panel-header {
    position: relative;
    background-color: var(--panel-header-bg) !important;
    color: var(--panel-header-text) !important;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 50px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
    --data1: transparent;
    --data2: #ffffff;
}
.header-name-group  { flex: 0 0 auto; min-width: 0; }
.panel-cn-name { font-size: 18.5px; font-weight: 700; }
.panel-en-name { font-size: 11px; font-weight: 500; margin-top: 2px; opacity: 0.75; }

.panel-close-btn {
    position: absolute;
    top: 14px; right: 14px;
    width: 30px; height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--close-btn-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}
.panel-close-btn:hover { background: rgba(255,255,255,0.15); }

/* =====================================================
   §8  地图缩放控件 (Map Zoom Control)
   ===================================================== */
#modern-zoom-control {
    position: absolute;
    top: 20px; left: 20px;
    z-index: 800;
    background-color: var(--control-bg) !important;
    padding: 8px 6px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    user-select: none;
    touch-action: none;
}
#modern-zoom-control button {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: none;
    background-color: var(--ctrl-btn-bg) !important;
    color: var(--ctrl-icon) !important;
    font-size: 18px; font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
#modern-zoom-control button:hover  { background-color: var(--ctrl-hover) !important; color: var(--capsule-text) !important; }
#modern-zoom-control button:active { transform: scale(0.95); }

.mz-slider-track {
    height: 100px; width: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
#mz-slider {
    width: 100px; height: 32px;
    transform: rotate(-90deg);
    transform-origin: center;
    margin: 0;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}
#mz-slider::-webkit-slider-runnable-track { width: 100%; height: 4px; background: #eee; border-radius: 2px; }
[data-theme="dark"] #mz-slider::-webkit-slider-runnable-track { background: #373838 !important; }
#mz-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    height: 16px; width: 16px;
    border-radius: 50%;
    background: #001d31;
    margin-top: -6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    transition: transform 0.1s;
}
[data-theme="dark"] #mz-slider::-webkit-slider-thumb { background: #78848b !important; }
#mz-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

/* =====================================================
   §9  地图路线胶囊 (Route Capsule & Result)
   ===================================================== */
#route-ui-container {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 900;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
}
#route-ui-container > * { pointer-events: auto; }

#route-capsule {
    background: var(--capsule-bg);
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    padding: 10px 20px 10px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 260px;
}
.capsule-content {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    color: var(--capsule-text);
    font-size: 14px;
}
.capsule-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}
.capsule-dot.end { background: var(--primary-color); }
.capsule-text { font-weight: 600; }
.capsule-hint { font-size: 12px; color: var(--text-light); margin-left: auto; }
.capsule-arrow { color: var(--text-light); }
.capsule-close {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: none;
    background: var(--ctrl-btn-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    flex-shrink: 0;
}

/* 路线结果面板 */
#route-result-panel {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    padding: 16px 20px;
    width: 280px;
    position: relative;
}
.result-close {
    position: absolute;
    top: 10px; right: 10px;
    border: none; background: none;
    cursor: pointer;
    color: var(--text-light);
    border-radius: 50%;
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.result-close:hover { background: var(--btn-info-hover); }
.result-header { margin-bottom: 12px; }
.station-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
}
.flow-arrow { color: var(--text-light); }
.time-big { font-size: 28px; font-weight: 700; color: var(--text-main); }
.stops-small { font-size: 13px; color: var(--text-light); margin-top: 4px; }
.result-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 14px;
    font-size: 13px;
    color: var(--text-light);
}
.result-options label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
#copy-result-btn {
    margin-top: 14px;
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--btn-info-bg);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}
#copy-result-btn:hover { background: var(--btn-info-hover); }

/* 标准箭头 SVG 图形（各地图路线通用）*/
.arrow-icon { fill: currentColor; }

/* 站名胶囊上方停靠数 */
.stops-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--stops-tag-bg);
    color: var(--text-main);
    border-radius: 10px;
    font-size: 12px;
    margin-left: 8px;
}

/* =====================================================
   §10  地图图例覆盖 (Legend Overlay)
   ===================================================== */
#legend-overlay {
    position: fixed;
    inset: 0;
    z-index: 2500;
    pointer-events: none;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 20px;
}
#legend-overlay.is-open { pointer-events: auto; }

.legend-modal {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    min-width: 240px;
    max-width: 320px;
    max-height: 70dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.legend-close-btn,
.legend-pin-btn {
    position: absolute;
    top: 8px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 50%;
    width: 30px; height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: background 0.2s;
}
.legend-close-btn { right: 40px; }
.legend-pin-btn   { right: 6px; }
.legend-close-btn:hover,
.legend-pin-btn:hover { background: var(--btn-info-hover); }

#legend-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
}

/* =====================================================
   §11  地图车站与标签 (Station & Label)
   ===================================================== */
.station {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: auto;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}
.station svg { width: 100%; height: 100%; display: block; }
.station.active {
    transform: translate(-50%, -50%) scale(1.5);
    z-index: 100 !important;
    filter: drop-shadow(0 0 5px rgba(0,0,0,0.5));
}

.dot, .rdot, .tsfo { width: 10px; height: 10px; z-index: 15; }
.tsf { width: 17.5px; height: 17.5px; z-index: 20; }
.no  { width: 10px; height: 10px; z-index: 5; }
.diy {
    position: absolute;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.label-group {
    position: absolute;
    pointer-events: auto;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.2s;
}
.stacn {
    font-size: 11.5px;
    color: var(--text-main) !important;
    display: block;
    line-height: 13.8px;
    font-weight: 500;
    paint-order: stroke fill;
}
.staen {
    font-size: 6.65px;
    color: var(--text-main) !important;
    display: block;
    margin-top: 0;
    line-height: 6.35px;
    white-space: normal;
    font-family: var(--font-en);
    font-weight: 500;
    paint-order: stroke fill;
}
.label-group.type-no .stacn,
.label-group.type-no .staen { color: var(--not-open-color) !important; }
.label-group.active { z-index: 35; }
.label-group.active .stacn {
    color: #D0021B !important;
    transform: scale(1.1);
    transform-origin: inherit;
    font-size: 15px; line-height: 15px; font-weight: 700;
    -webkit-text-stroke: var(--sta-stroke-width-cn) var(--map-bg);
}
.label-group.active .staen {
    color: #D0021B !important;
    font-size: 9px; line-height: 8px; font-weight: 700;
    -webkit-text-stroke: var(--sta-stroke-width-en) var(--map-bg);
}

.scattered-item {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* =====================================================
   §12  路线图 SVG 线路渲染 (Line Visual)
   ===================================================== */
.line-visual-overlay { fill: none; pointer-events: none; transition: all 0.2s; }
.line-visual-outer,
.line-visual-inner {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.2s;
    pointer-events: none;
}
.line-visual-group.active .line-visual-outer {
    filter: drop-shadow(0 0 5px rgba(0,0,0,0.5));
}
[data-theme="dark"] .line-visual-group.active .line-visual-outer {
    filter: drop-shadow(0 0 10px rgba(0,0,0,0.8)) !important;
}
.line-visual-group.active .line-visual-inner { stroke-width: 9px !important; }

.line-interaction {
    fill: none;
    stroke: transparent;
    stroke-width: 15px;
    cursor: pointer;
    pointer-events: stroke;
}

/* 线路 Tooltip */
#line-tooltip {
    position: fixed;
    z-index: 9999;
    display: none;
    pointer-events: none;
    transform: translate(-50%, -100%);
    margin-top: -15px;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.3));
    transition: opacity 0.2s;
    background-color: var(--header-bg);
    padding: 4px 1.5px 1px 1.5px;
    border-radius: 2px;
    --data1: var(--map-bg);
    --data2: #001d31;
}
[data-theme="dark"] #line-tooltip { --data2: #ffffff; }
#line-tooltip img {
    height: 24px;
    display: block;
    background-color: var(--map-bg);
    border-radius: 2px;
    padding: 1px;
}

/* 地图背景容器 */
#map-container {
    position: relative;
    width: 100%; height: 100%;
    margin: 0; border: none;
    overflow: hidden;
    user-select: none;
    cursor: grab;
    touch-action: none;
    transform-origin: 0 0;
    background-color: var(--map-bg) !important;
}
#map-container.active { cursor: grabbing; }
#map-content {
    position: relative;
    transform-origin: 0 0;
    background-color: var(--map-bg) !important;
}
.animate-zoom { transition: transform 0.2s cubic-bezier(0.25,0.46,0.45,0.94); }

/* =====================================================
   §13  对话聊天气泡 (Chat Bubble)
   ===================================================== */
.chat-bubble {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 80%;
}
.chat-bubble.is-self { align-self: flex-end; align-items: flex-end; }
.chat-bubble.is-other { align-self: flex-start; align-items: flex-start; }

.bubble-body {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}
.is-self  .bubble-body {
    background: var(--primary-color);
    color: #fff;
    border-radius: 16px 16px 4px 16px;
}
.is-other .bubble-body {
    background: var(--btn-info-bg);
    color: var(--text-main);
    border-radius: 16px 16px 16px 4px;
}

.bubble-meta {
    font-size: 11px;
    color: var(--text-light);
    padding: 0 4px;
}

/* =====================================================
   §14  反馈/联系对话框 (Feedback Chat)
   ===================================================== */
.feedback-user-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.18s;
}
.feedback-user-item:hover    { background: var(--btn-info-bg); }
.feedback-user-item.is-active { background: var(--info-bg); }
.feedback-user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--btn-info-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.feedback-user-info { min-width: 0; flex: 1; }
.feedback-user-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.feedback-user-preview {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* 图片气泡暗色亮度补偿 */
[data-theme="dark"] #contact-chat-flow img,
[data-theme="dark"] #feedback-chat-flow img {
    filter: brightness(0.85);
    transition: filter 0.2s ease;
}
[data-theme="dark"] #contact-chat-flow img:hover,
[data-theme="dark"] #feedback-chat-flow img:hover { filter: brightness(1); }

/* =====================================================
   §15  帮助链接按钮 (Help Link Button)
   ===================================================== */
.help-link-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    color: var(--text-main);
    padding: 12px 15px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
    transition: background 0.2s;
    text-align: left;
    cursor: pointer;
    width: 100%;
    font-family: var(--font-sans);
}
.help-link-btn:hover { background-color: var(--btn-info-hover); }
.help-link-btn.primary {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
}
.help-link-btn.primary:hover { background-color: var(--primary-hover); }
.btn-arrow { font-size: 12px; transform: scaleX(0.8); }

/* =====================================================
   §16  图片 / PDF 增强 (Media Enhancements)
   ===================================================== */
/* PDF Canvas */
canvas { display: block; margin: 0 auto; }

/* 危险区 */
.danger-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.danger-info h3 { margin-bottom: 5px; color: var(--text-main); }
.danger-info p  { color: var(--text-light); font-size: 0.9rem; margin: 0; }

/* text-* 工具类 */
.text-danger  { color: var(--danger-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-muted   { color: var(--text-light) !important; }
.text-primary { color: var(--primary-color) !important; }

/* =====================================================
   §17  验证码行 (Captcha Row)
   ===================================================== */
.captcha-row {
    flex-direction: row !important;
    align-items: center !important;
}
.auth-captcha-zoomed {
    transform: scale(2.3) !important;
    z-index: 10010;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* =====================================================
   §18  Scrollbar 美化 (Custom Scrollbar)
   ===================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.32); }

[data-theme="dark"] ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.24); }

/* Firefox */
* { scrollbar-width: thin; scrollbar-color: rgba(0,0,0,0.18) transparent; }
[data-theme="dark"] * { scrollbar-color: rgba(255,255,255,0.14) transparent; }