:root {
    --metro-blue-bg: #092f52;
    --bg-color2: #ffffff;
    --tool-bg-color: #092f52;
    --icon-clr: #001d31;
    /* GamePack 面板（浅色默认） */
    --gp-input-border: rgba(0, 29, 49, 0.14);
    --gp-input-bg: rgba(255, 255, 255, 0.92);
    --gp-input-text: #1b2a36;
    --gp-meta-text: rgba(0, 29, 49, 0.55);
    --gp-action-border: rgba(0, 29, 49, 0.15);
    --gp-action-bg: rgba(255, 255, 255, 0.78);
    --gp-action-hover-bg: rgba(0, 29, 49, 0.08);
    --gp-unit-text: rgba(0, 29, 49, 0.5);
    --gp-hint-text: rgba(0, 29, 49, 0.6);
    --gp-filter-bg: rgba(255, 255, 255, 0.9);
    --gp-filter-border: rgba(0, 29, 49, 0.14);
    --gp-nav-item-border: rgba(0, 29, 49, 0.08);
    --gp-nav-item-bg: rgba(255, 255, 255, 0.78);
    --gp-nav-item-hover-bg: rgba(0, 29, 49, 0.06);
    --gp-nav-meta-text: rgba(0, 29, 49, 0.55);
    --gp-nav-thumb-bg: #e8eef4;
    --gp-nav-thumb-border: rgba(0, 29, 49, 0.1);
    --gp-detail-bg: rgba(255, 255, 255, 0.86);
    --gp-detail-border: rgba(80, 120, 180, 0.2);
    --gp-add-bg-start: rgba(100, 168, 111, 0.96);
    --gp-add-bg-end: rgba(74, 140, 90, 0.96);
    --gp-add-border: rgba(0, 29, 49, 0.1);
    --gp-add-inset-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
    --gp-thumb-label: rgba(0, 29, 49, 0.82);
    --gp-thumb-fallback-bg: #dce6ef;
    --gp-thumb-fallback-text: rgba(0, 29, 49, 0.62);

    /* Mode A/B 动态配色变量 */
    --mode-bg: #092f52;
    --mode-item: #ffffff;
    --mode-cls: #ffffff;
    --mode-divider: #ffffff;
    --mode-ydivider: #fff100;
    --mode-clslight: #ffffff;
    --mode-clsdark: #002538;
    --mode-clsblue: #092f52;

    /* 品牌色变量 */
    --brand-color-vitool: #ad78eb;
    --brand-gradient-start-vitool: #8a56dd;
    --brand-gradient-end-vitool: #af80d2;
    --brand-gradient-vitool: linear-gradient(to top,
            var(--brand-gradient-start-vitool),
            var(--brand-gradient-end-vitool));
    --brand-border-vitool: #7549bc;

    --brand-color-wall: #a35490;
    --brand-gradient-start-wall: #843d79;
    --brand-gradient-end-wall: #c46ea9;
    --brand-gradient-wall: linear-gradient(to top, var(--brand-gradient-start-wall), var(--brand-gradient-end-wall));
    --brand-border-wall: #683060;

    --brand-color-stasign: #8787eb;
    --brand-gradient-start-stasign: #7146c2;
    --brand-gradient-end-stasign: #92a6fc;
    --brand-gradient-stasign: linear-gradient(to top,
            var(--brand-gradient-start-stasign),
            var(--brand-gradient-end-stasign));
    --brand-border-stasign: #5442ab;

    --brand-color-staline: #66a1c8;
    --brand-gradient-start-staline: #3a6894;
    --brand-gradient-end-staline: #84c2db;
    --brand-gradient-staline: linear-gradient(to top,
            var(--brand-gradient-start-staline),
            var(--brand-gradient-end-staline));
    --brand-border-staline: #30587d;

    --brand-color-project: #67caae;
    --brand-gradient-start-project: #43b1a2;
    --brand-gradient-end-project: #8fdeb2;
    --brand-gradient-project: linear-gradient(to top,
            var(--brand-gradient-start-project),
            var(--brand-gradient-end-project));
    --brand-border-project: #399c8f;

    /* 品牌渐变自动适配变量 (-appname) */
    --brand-gradient-start-appname: var(--brand-gradient-start-vitool);
    --brand-gradient-end-appname: var(--brand-gradient-end-vitool);
    --brand-gradient-appname: linear-gradient(to top,
            var(--brand-gradient-start-appname),
            var(--brand-gradient-end-appname));
    --brand-border-appname: var(--brand-border-vitool);
}

/* 根据 data-app 自动切换品牌渐变 (提高优先级至 html[data-app]) */
html[data-app='wall'] {
    --brand-gradient-start-appname: var(--brand-gradient-start-wall);
    --brand-gradient-end-appname: var(--brand-gradient-end-wall);
    --brand-border-appname: var(--brand-border-wall);
}

html[data-app='stasign'] {
    --brand-gradient-start-appname: var(--brand-gradient-start-stasign);
    --brand-gradient-end-appname: var(--brand-gradient-end-stasign);
    --brand-border-appname: var(--brand-border-stasign);
}

html[data-app='staline'] {
    --brand-gradient-start-appname: var(--brand-gradient-start-staline);
    --brand-gradient-end-appname: var(--brand-gradient-end-staline);
    --brand-border-appname: var(--brand-border-staline);
}

html[data-app='project'] {
    --brand-gradient-start-appname: var(--brand-gradient-start-project);
    --brand-gradient-end-appname: var(--brand-gradient-end-project);
    --brand-border-appname: var(--brand-border-project);
}

body[data-mode='B'] {

    --mode-bg: #ffffff;
    --mode-item: #002538;
    --mode-cls: transparent;
    --mode-divider: #002538;
    --mode-ydivider: #002538;
    --mode-clslight: #ffffff;
    --mode-clsdark: #002538;
    --mode-clsblue: #092f52;
}

body[data-mode='C'] {
    --mode-bg: #222222;
    --mode-item: #ffffff;
    --mode-cls: #ffffff;
    --mode-divider: #ffffff;
    --mode-ydivider: #fff100;
    --mode-clslight: #ffffff;
    --mode-clsdark: #1a1a1a;
    --mode-clsblue: #222222;
}

body[data-mode='D'] {
    --mode-bg: #ffffff;
    --mode-item: #1a1a1a;
    --mode-cls: transparent;
    --mode-divider: #222222;
    --mode-ydivider: #222222;
    --mode-clslight: #ffffff;
    --mode-clsdark: #1a1a1a;
    --mode-clsblue: #222222;
}

[data-theme='dark'] {
    --bg-color2: #2b2b2b;
    --tool-bg-color: #2b2b2b;
    --icon-clr: #e5e8ea;
    --gp-input-border: rgba(255, 255, 255, 0.16);
    --gp-input-bg: rgba(8, 18, 32, 0.35);
    --gp-input-text: #ffffff;
    --gp-meta-text: rgba(255, 255, 255, 0.45);
    --gp-action-border: rgba(255, 255, 255, 0.2);
    --gp-action-bg: rgba(255, 255, 255, 0.1);
    --gp-action-hover-bg: rgba(255, 255, 255, 0.18);
    --gp-unit-text: rgba(255, 255, 255, 0.42);
    --gp-hint-text: rgba(255, 255, 255, 0.4);
    --gp-filter-bg: rgba(8, 18, 32, 0.32);
    --gp-filter-border: rgba(255, 255, 255, 0.14);
    --gp-nav-item-border: rgba(255, 255, 255, 0.05);
    --gp-nav-item-bg: rgba(255, 255, 255, 0.03);
    --gp-nav-item-hover-bg: rgba(255, 255, 255, 0.08);
    --gp-nav-meta-text: rgba(255, 255, 255, 0.45);
    --gp-nav-thumb-bg: #101a26;
    --gp-nav-thumb-border: rgba(255, 255, 255, 0.08);
    --gp-detail-bg: rgba(255, 255, 255, 0.03);
    --gp-detail-border: rgba(80, 120, 180, 0.1);
    --gp-add-bg-start: rgba(86, 146, 98, 0.96);
    --gp-add-bg-end: rgba(64, 118, 76, 0.96);
    --gp-add-border: rgba(255, 255, 255, 0.1);
    --gp-add-inset-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    --gp-thumb-label: rgba(255, 255, 255, 0.9);
    --gp-thumb-fallback-bg: #13253a;
    --gp-thumb-fallback-text: rgba(255, 255, 255, 0.6);
}

/* 暗色模式下加深模块阴影 */
[data-theme='dark'] .canvas {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

[data-theme='dark'] .canvas.active {
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* 增加微弱边框辅助区分 */
}

/* 2. 基础布局与重置 */
body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    /* 防止双重滚动条 */
    background-color: var(--bg-color, #f0f4f8);
    /* --bg-color 由 tool-style.css 提供 */
}

.tool-header {
    justify-content: space-between;
    padding: 8px 20px;
    align-items: center;
    /* 桌面端垂直居中 */
    display: flex;
    /* 桌面端默认 Flex */
    z-index: 9999 !important;
    /* Must be below shadow overlays (10005) */
}

/* 5. 智能版文字特效 (Smart Badge) - 从 vitool.css 迁移 */
.smart-badge {
    -webkit-background-clip: text !important;
    background-clip: text !important;
    color: transparent;
    font-size: 0.85em;
    margin-left: 4px;
    font-weight: bold;
}

/* 6. 下拉菜单 (Dropdown) - 从 vitool.css 迁移，供预留页面使用 */
.dropdown {
    position: relative;
    display: inline-block;
    vertical-align: middle;
}

/* 顶部下拉菜单层级必须高于 header，但需低于阴影遮罩 */
.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--card-bg, #ffffff);
    min-width: 170px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    z-index: 10001;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 8px;
    border: 1px solid var(--border-color, #eee);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color, #eee);
    margin: 4px 0;
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    height: 10px;
    background: transparent;
}

.dropdown-content a {
    color: var(--text-main, #333);
    padding: 12px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    transition: background 0.2s;
    text-align: left;
}

.dropdown-content a .btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.dropdown-content a:hover {
    background-color: var(--btn-info-hover, #f5f5f7);
}

.dropdown-content.show {
    display: block;
}

/* --- 工具切换菜单 (Tool Switcher) --- */
.header-center.dropdown {
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.2s;
    user-select: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移除悬停时的背景色块 */
.header-center.dropdown:hover {
    background-color: transparent;
}

.header-title-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px;
}

.dropdown-arrow-icon {
    opacity: 0.5;
    transition: transform 0.2s;
}

/* 仅在下拉菜单展开时旋转箭头 (使用 :has 选择器检测子元素状态) */
.header-center.dropdown:has(.dropdown-content.show) .dropdown-arrow-icon {
    transform: rotate(180deg);
}

.tool-switcher-menu {
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%);
    min-width: 160px;
    padding: 8px 0;
}

.tool-switcher-item {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main, #333);
    text-decoration: none;
    transition: background 0.2s;
    cursor: pointer;
}

.tool-switcher-item:hover {
    background-color: var(--btn-info-hover, #f5f5f7);
}

.tool-switcher-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: contain;
    flex-shrink: 0;
}

.tool-switcher-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.header-right {
    gap: 8px;
    display: flex;
    align-items: center;
}

.header-actions,
.header-system,
.export-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn-cln {
    background-color: var(--diff-bg);
    color: var(--diff-text);
    border-color: var(--diff-text);
}

/* 7. 右键菜单 (Context Menu) - 适配主题 (从 vitool.css 迁移) */
.context-menu {
    position: fixed;
    background: var(--card-bg);
    /* 随主题 */
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 20000;
    padding: 6px;
    min-width: 120px;
    color: var(--text-main);
}

.context-menu.show {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-group-buttons {
    display: flex;
    justify-content: space-between;
    gap: 4px;
    padding: 0 4px;
}

.menu-group-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 6px;
    border-radius: 4px;
    transition: background-color 0.2s;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
}

.menu-group-btn svg {
    width: 1em;
    height: 1em;
    stroke: currentColor;
    fill: none;
    display: block;
}

.menu-group-btn:hover:not(:disabled) {
    background-color: var(--btn-info-hover);
}

.menu-group-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.menu-group-btn.selected {
    background-color: var(--primary-color);
    color: white;
}

.menu-group-btn.selected:hover {
    background-color: var(--primary-color);
    filter: brightness(1.1);
}

.menu-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 2px 0;
}

.menu-item {
    padding: 8px 12px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--text-main);
    /* 随主题 */
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

/* 菜单项图标也需要适配颜色 */
.menu-icon svg {
    width: 1em;
    height: 1em;
    fill: currentColor;
    vertical-align: -0.15em;
    pointer-events: none;
}

.menu-item:hover {
    background-color: var(--btn-info-hover);
}

.remove-btn {
    color: #dc3545;
}

/* 3. 主内容区域基础布局 (从 vitool.css 迁移，供预留页面使用) */
.main-container {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-color);
}

/* 4. 状态底栏 (从 vitool.css 迁移，供预留页面使用) */
.status-bar {
    height: 28px;
    box-sizing: content-box;
    padding-bottom: calc(2px + env(safe-area-inset-bottom));
    background-color: var(--panel-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 20px;
    padding-right: 20px;
    font-size: 0.72rem;
    color: var(--text-light);
    z-index: 1000;
    flex-shrink: 0;
}

.status-left {
    display: flex;
    align-items: center;
}

.status-item {
    white-space: nowrap;
}

#status-filename {
    color: var(--text-main);
    font-weight: 500;
}

.status-divider {
    margin: 0 10px;
    color: var(--border-color);
    opacity: 0.6;
}

.status-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* ========================================
   7. 偏好设置模态框 (Settings Modal)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.settings-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.4);
    z-index: 10005;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
}

.settings-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.settings-dialog {
    background: var(--panel-bg);
    color: var(--text-main);
    width: 400px;
    max-width: 90%;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.2s;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.settings-overlay.show .settings-dialog {
    transform: scale(1);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--btn-info-bg);
}

.settings-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.settings-close-btn {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.settings-body {
    padding: 20px;
    overflow-y: auto;
}

.settings-group {
    margin-bottom: 24px;
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 12px;
}

.settings-label-group {
    display: flex;
    flex-direction: column;
}

.settings-label {
    font-size: 0.95rem;
    font-weight: 500;
}

.settings-desc {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 2px;
}

.settings-select {
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--tab-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    outline: none;
}

.settings-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.settings-input-group.vertical {
    flex-direction: column;
    align-items: flex-end;
    flex: 1;
}

.settings-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.settings-number {
    width: 60px;
    padding: 6px 8px;
    border-radius: 6px;
    background: var(--tab-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    outline: none;
}

.settings-text {
    width: 100%;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--tab-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    outline: none;
}

.settings-btn {
    padding: 6px 12px;
    border-radius: 6px;
    background: var(--btn-info-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-btn:hover {
    background: var(--btn-info-hover);
}

.settings-btn.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.settings-btn.primary:hover {
    background: var(--primary-hover);
}

.settings-btn.danger {
    background: #ff4d4f;
    color: white;
    border-color: #ff4d4f;
}

.settings-btn.danger:hover {
    background: #ff7875;
}

.settings-btn.small {
    padding: 4px 8px;
    font-size: 0.75rem;
}

.settings-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 16px 0;
    opacity: 0.8;
}

/* ========================================
   8. 帮助弹窗 (Help Dialog)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10005;
    backdrop-filter: blur(3px);
    opacity: 0;
}

.text-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--panel-bg);
    color: var(--text-main);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    z-index: 10006;
    border: 1px solid var(--border-color);
}

.text-dialog.help-dialog {
    z-index: 10006 !important;
    display: flex;
    flex-direction: column;
    padding: 0;
    width: 90%;
    max-width: 450px;
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
    transform: translate(-50%, -50%);
}

.dialog-close-btn {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
    padding: 0;
    z-index: 1;
    transition: color 0.2s;
}

.dialog-close-btn:hover {
    color: var(--text-main);
}

.dialog-buttons {
    display: flex;
    gap: 10px;
    padding: 15px 25px;
    border-top: 1px solid var(--border-color);
}

.dialog-row {
    margin-bottom: 15px;
}

.dialog-row strong,
.dialog-row label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-main);
}

.dialog-row input[type='text'] {
    width: 100%;
    padding: 8px;
    background-color: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 4px;
}

.dialog-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
}

.dialog-buttons button {
    padding: 6px 12px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

#dialog-cancel {
    background-color: var(--btn-info-bg);
    color: var(--text-main);
}

#dialog-confirm {
    background-color: var(--primary-color);
    color: white;
}

.help-container {
    padding: 0 25px 15px 25px;
    text-align: left;
    overflow-y: auto;
    max-height: 70dvh;
}

.help-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 25px 0 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.help-icon-img {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: contain;
}

.help-title-group p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.help-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
}

.help-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.help-card-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.help-card h4 {
    margin: 0 0 5px 0;
    font-size: 13px;
    color: var(--text-main);
    font-weight: bold;
}

.help-card ul {
    margin: 0;
    padding-left: 12px;
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.5;
}

.help-data-info2 {
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.5;
}

.help-action-btn {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.help-action-btn.primary {
    background-color: var(--primary-color);
    color: white;
}

.help-action-btn.secondary {
    background-color: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.help-action-btn.danger {
    background-color: #ff4d4f;
    color: white;
}

.help-action-btn.danger:hover {
    background-color: #ff7875;
}

.help-action-btn.secondary:hover {
    background-color: var(--btn-info-hover);
}

.help-footer {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    font-size: 0.7rem;
    color: var(--text-light);
    text-align: center;
    line-height: 1.5;
}

.help-footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.help-footer-content a {
    color: var(--text-light);
    transition: color 0.2s;
}

.help-footer-content a:hover {
    text-decoration: underline;
    color: var(--text-main);
}

.help-beian-group {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.help-beian-icon {
    height: 12px;
    width: auto;
    opacity: 0.8;
}

/* ========================================
   9. 通用浮动窗口 (Floating Window)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.floating-window {
    position: fixed;
    bottom: 60px;
    right: 10px;
    width: 320px;
    max-height: calc(100vh - 120px);
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    display: none;
    flex-direction: column;
    z-index: 1050;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.floating-window.floating-snapped {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(var(--primary-rgb, 74, 144, 226), 0.4);
}

.floating-window.minimized {
    transform: scale(0.1);
    opacity: 0;
    pointer-events: none;
}

.floating-header {
    padding: 6px 12px;
    background: var(--btn-info-bg);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: move;
    user-select: none;
    touch-action: none;
}

.floating-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.floating-icon {
    width: 15px;
    height: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-icon svg {
    width: 100%;
    height: 100%;
}

.floating-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.floating-minimize-btn,
.floating-close-btn {
    background: none;
    border: none;
    color: var(--text-main);
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition:
        background 0.2s,
        color 0.2s;
    opacity: 0.7;
}

.floating-minimize-btn svg,
.floating-close-btn svg {
    width: 14px;
    height: 14px;
}

.floating-minimize-btn:hover,
.floating-close-btn:hover {
    background: var(--btn-info-hover);
    color: var(--text-main);
    opacity: 1;
}

.floating-close-btn:hover {
    background: #dc3545;
    color: white;
}

.floating-content {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.floating-content-inner {
    padding: 15px;
}

/* ========================================
   10. 状态栏最小化浮窗标签
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.minimized-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    background: var(--tab-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.7rem;
    color: var(--text-main);
    animation: slideIn 0.3s ease-out;
}

.minimized-item .short-title {
    display: none;
}

@media screen and (max-width: 800px) {
    .minimized-item .full-title {
        display: none;
    }

    .minimized-item .short-title {
        display: inline;
    }
}

.minimized-item:hover {
    background: var(--btn-info-hover);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.minimized-item .min-icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.minimized-item .min-icon svg {
    width: 100%;
    height: 100%;
}

@keyframes slideIn {
    from {
        transform: translateX(20px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   11. 移动端浮窗响应式规则
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
/* 移动端 (宽度 <= 600px) 策略：插件面板隐藏（转为 Tabs），但编辑类对话框转为靠下弹窗 */
@media screen and (max-width: 600px) {

    /* 普通浮窗（如插件面板）进入移动端时隐藏，用户通过底部页签访问 */
    .floating-window:not(.text-dialog) {
        display: none !important;
    }

    /* 编辑类浮窗 (createDialog 产生) 与基础对话框 恢复为原版的靠下弹窗 */
    .text-dialog {
        display: flex;
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100vw !important;
        min-width: 100vw !important;
        max-width: 100vw !important;
        max-height: 85dvh !important;
        border-radius: 20px 20px 0 0 !important;
        border: none !important;
        border-top: 1px solid var(--border-color) !important;
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4) !important;
        z-index: 10006 !important;
        transform: none !important;
        padding: 0 !important;
        overflow-y: auto !important;
    }

    /* 帮助菜单 / 加载项列表 在移动端保持居中，不作为底置弹窗 */
    .text-dialog.help-dialog,
    .text-dialog.addon-dialog {
        top: 50% !important;
        bottom: auto !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 90% !important;
        min-width: 0 !important;
        max-width: 450px !important;
        border-radius: 12px !important;
        overflow-y: auto !important;
    }

    .text-dialog.addon-dialog {
        padding: 18px 20px !important;
    }

    .floating-window.text-dialog.minimized {
        display: none !important;
    }

    /* 移动端下隐藏拖拽头部指示，增加手感 */
    .floating-window.text-dialog .floating-header {
        cursor: default !important;
        padding: 12px 18px !important;
        height: auto !important;
        background: var(--panel-bg) !important;
        border-bottom: 1px solid var(--border-color) !important;
    }

    .floating-window.text-dialog .floating-title {
        font-size: 1rem !important;
    }

    .floating-window.text-dialog .floating-content-inner {
        padding: 20px 18px calc(25px + env(safe-area-inset-bottom)) 18px !important;
    }

    .floating-window.text-dialog .dialog-buttons {
        display: flex !important;
        gap: 12px !important;
        margin-top: 24px !important;
    }

    .floating-window.text-dialog .dialog-buttons button {
        flex: 1 !important;
        height: 48px !important;
        font-size: 1rem !important;
        font-weight: 600 !important;
        border-radius: 12px !important;
    }

    /* 移动端不显示最小化按钮 */
    .floating-window.text-dialog .floating-minimize-btn {
        display: none !important;
    }

    .desktop-only {
        display: none !important;
    }

    /* 2a. 顶部菜单栏移动端 Grid 布局 (从 vitool.css 迁移) */
    .tool-header {
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-areas:
            'nav brand system'
            'actions actions actions';
        /* 第二行全宽 */
        padding: 6px 10px;
        gap: 0;
        /* 垂直间距由 padding 控制 */
        height: auto;
        /* 自适应高度 */
        align-items: center;
    }

    /* 2b. 区域分配 */
    .header-left {
        grid-area: nav;
        gap: 6px;
    }

    .header-left .btn {
        width: 34px;
        height: 34px;
        padding: 0;
        flex: 0 0 34px;
        box-sizing: border-box;
    }

    /* 中间 Logo 区域 */
    .header-center {
        grid-area: brand;
        justify-content: center;
        display: flex;
    }

    .header-right {
        display: contents;
    }

    .header-system {
        grid-area: system;
        justify-self: end;
        /* 靠右对齐 */
        gap: 6px;
    }

    /* 第二行操作栏 */
    .header-actions {
        grid-area: actions;
        display: flex;
        justify-content: space-between;
        /* 关键：左-中-右 */
        align-items: center;
        width: 100%;
        margin-top: 6px;
        padding-top: 6px;
        border-top: 1px solid var(--border-color);
        /* 分隔线 */
    }

    .header-actions .btn span,
    #options-btn span {
        display: inline !important;
        font-size: 0.85rem;
    }

    .header-actions .btn-icon,
    #options-btn .btn-icon {
        margin-right: 4px !important;
    }

    .header-actions .btn {
        padding: 6px 10px;
        flex: 0 0 auto;
    }
}

/* ========================================
   12. 页面宽度适配 (960px 规则)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
@media (max-width: 960px) {
    .tool-header .btn span {
        display: none;
    }

    .tool-header .btn {
        padding: 6px 10px;
    }

    .tool-header .btn-icon {
        margin-right: 0;
    }
}

/* ========================================
   12. 缩放控制 (Zoom Controls)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.zoom-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.zoom-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    border-radius: 4px;
    transition: all 0.2s;
}

.zoom-btn:hover {
    background: var(--tab-hover);
    color: var(--text-main);
}

#zoom-slider {
    width: 80px;
    height: 4px;
    appearance: none;
    -webkit-appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

#zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

#zoom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

@media (max-width: 800px) and (min-width: 601px) {
    #zoom-slider {
        display: none;
    }
}

/* 状态栏移动端响应式 */
@media (max-width: 600px) {
    .status-bar {
        height: auto;
        min-height: 28px;
        padding: 10px 12px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
        font-size: 0.68rem;
        flex-direction: column;
        gap: 12px;
    }

    .status-left {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        row-gap: 10px;
    }

    .zoom-divider {
        display: none;
    }

    .zoom-controls {
        width: 100%;
        justify-content: center;
        order: 2;
    }

    .status-divider {
        margin: 0 6px;
    }

    #status-filename {
        max-width: 120px;
        display: inline-block;
        vertical-align: bottom;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .status-right {
        display: none;
    }
}

/* ========================================
   13. 加载项管理对话框 (Addon Dialog)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.addon-dialog {
    min-width: 450px;
    width: fit-content;
    max-width: 90vw;
    z-index: 10006 !important;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 24px 30px 20px 30px;
}

@media (max-width: 960px) {
    .addon-dialog {
        max-height: 70dvh;
    }
}

.addon-dialog h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.addon-header {
    margin-bottom: 5px;
}

.addon-list {
    margin: 10px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    padding-right: 4px;
}

.addon-list::-webkit-scrollbar {
    width: 6px;
}

.addon-list::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.addon-category {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.addon-category-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-light);
    margin-top: 10px;
    margin-bottom: 2px;
    padding-left: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.6;
    letter-spacing: 0.05em;
}

.addon-category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
    opacity: 0.2;
}

.addon-category:first-child .addon-category-title {
    margin-top: 0;
}

.addon-category-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.addon-dialog .dialog-buttons {
    margin-top: 12px;
}

.addon-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--btn-info-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    min-height: 54px;
}

.addon-item.permission-disabled {
    opacity: .55;
    cursor: not-allowed;
    pointer-events: none;
}

.addon-item:hover {
    background: var(--btn-info-hover);
    border-color: var(--primary-color);
}

.addon-checkbox-container {
    position: relative;
    display: flex;
    align-items: center;
}

.addon-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.addon-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.addon-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.addon-description {
    font-size: 0.72rem;
    color: var(--text-light);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.addon-status {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.addon-status.active {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

/* ========================================
   14. 悬浮操作栏与通用悬浮按钮 (Floating Bars & Base Buttons)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.float-action-bar,
.canvas-top-bar {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: row;
    gap: 12px;
    z-index: 900;
}

/* 缩放控制器：深色毛玻璃药丸风格，确保在亮色背景下清晰可见 */
.canvas-zoom-controls {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 4px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-left: auto;
}

[data-theme='dark'] .canvas-zoom-controls {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.05);
}

.canvas-zoom-controls .btn-float-base {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 14px;
    background: transparent;
    box-shadow: none;
    border-radius: 50%;
    color: white;
}

.canvas-zoom-controls .btn-float-base:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.1);
}

.canvas-zoom-controls #zoom-value {
    color: white;
    font-size: 13px;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
    user-select: none;
    font-family: inherit;
    font-variant-numeric: tabular-nums;
}

.float-action-bar {
    bottom: 20px;
}

.canvas-top-bar {
    top: 12px;
}

.btn-float-base {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-float-base:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    filter: brightness(1.1);
}

.btn-float-base:active {
    transform: translateY(1px);
}

/* 焕新/纠错等通用悬浮按钮颜色 */
.btn-float-feedback {
    background-color: #eb9605;
}

.btn-float-refresh {
    background-color: #00a0e9;
}

.btn-float-clear {
    background-color: var(--diff-bg);
    color: var(--diff-text);
}

.btn-float-primary {
    background-color: var(--primary-color);
    color: var(--btn-text);
}

.btn-float-group {
    background-color: var(--btn-info-bg);
    color: var(--text-main);
}

.btn-float-group.active {
    background-color: var(--brand-color-vitool) !important;
    color: white !important;
}

/* 预留圆形按钮 */
.btn-float-circle,
.btn-float-mode {
    background-color: #00a0e9;
    padding: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid #00a0e9;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: white;
    flex-shrink: 0;
}

.btn-float-circle:hover,
.btn-float-mode:hover {
    transform: translateY(-2px) scale(1.1) rotate(15deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ========================================
   15. 向上展开的下拉菜单 (Drop-Up Menu / Prime Mode Menu)
   从 vitool.css 迁移，供所有工具页面共用
   ======================================== */
.up-mode-dropdown {
    bottom: calc(100% + 12px);
    top: auto !important;
    right: 0;
    margin-top: 0 !important;
    min-width: 200px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 6px 0;
    overflow: hidden;
    animation: dropUpSlide 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--card-bg, #ffffff);
}

@keyframes dropUpSlide {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.mode-option-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 10px 16px !important;
    transition: all 0.2s !important;
    cursor: pointer;
}

.mode-option-item:hover {
    background-color: var(--btn-info-hover) !important;
}

.mode-option-item.active {
    background-color: var(--btn-info-bg) !important;
    color: var(--primary-color) !important;
}

.mode-option-item.active::after {
    content: '●';
    font-size: 8px;
    margin-left: auto;
}

.mode-preview-mini {
    width: 24px;
    height: 24px;
    border-radius: 5px;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.mode-info-mini {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1px;
}

.mode-label-mini {
    font-size: 0.88rem;
    font-weight: 700;
}

.mode-desc-mini {
    font-size: 0.72rem;
    opacity: 0.6;
}

/* 移动端自适应按钮组 */
@media (max-width: 600px) {

    .float-action-bar,
    .canvas-top-bar {
        position: static;
        transform: none;
        width: 100%;
        justify-content: center;
        padding: 8px 10px;
        flex-shrink: 0;
        flex-wrap: wrap;
        gap: 8px;
    }
}