/* ═══════════════════════════════════════════════════════════════
   tool-dark.css  —  在线工具集 全局日间 / 夜间模式主题适配库
   依赖顺序：element-plus/index.css → 6767-tailwind.css → 6767-site.css → tool-dark.css
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Element-Plus CSS 变量：日间模式 (默认/Light) ── */
:root,
html:not(.dark),
html:not(.dark) body {
    /* 基础背景 */
    --el-bg-color:              #ffffff;
    --el-bg-color-overlay:      #ffffff;
    --el-bg-color-page:         #f8fafc;

    /* 填充色 */
    --el-fill-color:            #f1f5f9;
    --el-fill-color-blank:      #ffffff;
    --el-fill-color-light:      #f8fafc;
    --el-fill-color-lighter:    #f1f5f9;
    --el-fill-color-extra-light:#fafafa;
    --el-fill-color-dark:       #e2e8f0;
    --el-fill-color-darker:     #cbd5e1;

    /* 边框 */
    --el-border-color:          #cbd5e1;
    --el-border-color-light:    #e2e8f0;
    --el-border-color-lighter:  #f1f5f9;
    --el-border-color-extra-light: #f8fafc;
    --el-border-color-dark:     #94a3b8;
    --el-border-color-darker:   #64748b;

    /* 文字颜色 */
    --el-text-color-primary:    #0f172a;
    --el-text-color-regular:    #334155;
    --el-text-color-secondary:  #64748b;
    --el-text-color-placeholder:#94a3b8;
    --el-text-color-disabled:   #cbd5e1;

    /* 禁用态 */
    --el-disabled-bg-color:     #f1f5f9;
    --el-disabled-text-color:   #94a3b8;
    --el-disabled-border-color: #e2e8f0;

    /* 主色（sky-blue 品牌色）*/
    --el-color-primary:         #0284c7;
    --el-color-primary-light-3: #38bdf8;
    --el-color-primary-light-5: #7dd3fc;
    --el-color-primary-light-7: #bae6fd;
    --el-color-primary-light-8: #e0f2fe;
    --el-color-primary-light-9: #f0f9ff;
    --el-color-primary-dark-2:  #0369a1;

    /* 输入框 */
    --el-input-bg-color:        #ffffff;
    --el-input-border-color:    #cbd5e1;
    --el-input-hover-border-color: #38bdf8;
    --el-input-focus-border-color: #0284c7;
    --el-input-text-color:      #0f172a;
    --el-input-placeholder-color: #94a3b8;
    --el-input-icon-color:      #64748b;

    /* select */
    --el-select-input-color:    #0f172a;
    --el-select-input-focus-border-color: #0284c7;

    /* 阴影 */
    --el-box-shadow:            0 4px 20px rgba(0,0,0,0.08);
    --el-box-shadow-light:      0 2px 10px rgba(0,0,0,0.05);
    --el-box-shadow-lighter:    0 1px 4px rgba(0,0,0,0.03);
    --el-box-shadow-dark:       0 8px 30px rgba(0,0,0,0.12);

    /* 通用变量 (兼容 Search / Legacy 结构) */
    --bg-color:                 #ffffff;
    --bg-color-rgb:             255, 255, 255;
    --bg-color-dark:            #f8fafc;
    --bg-color-dark2:           #f1f5f9;
    --text-color:               #0f172a;
    --text-gray-color:          #64748b;
    --border-color:             #e2e8f0;
    --border-color-dark:        #cbd5e1;
    --border-color-dark2:       #94a3b8;
    --border-color-dark3:       #64748b;
    --box-shadow-color:         rgba(15, 23, 42, 0.06);
    --shadow-sm:                0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md:                0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg:                0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-glow:              0 0 15px rgba(2, 132, 199, 0.2);
    --radius-sm:                6px;
    --radius-md:                10px;
    --radius-lg:                14px;
    --radius-pill:              9999px;
    --primary-gradient:         linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    --card-hover-bg:            rgba(2, 132, 199, 0.06);
    --transition-speed:         0.25s;
}

/* ── 2. Element-Plus CSS 变量：夜间模式覆盖 (Dark) ── */
html.dark,
html.dark body {
    /* 基础背景 */
    --el-bg-color:              #0f172a;
    --el-bg-color-overlay:      #1e293b;
    --el-bg-color-page:         #050a14;

    /* 填充色 */
    --el-fill-color:            #1e293b;
    --el-fill-color-blank:      #0f172a;
    --el-fill-color-light:      #1e293b;
    --el-fill-color-lighter:    #162032;
    --el-fill-color-extra-light:#0d1829;
    --el-fill-color-dark:       #273549;
    --el-fill-color-darker:     #2f3f55;

    /* 边框 */
    --el-border-color:          rgba(51,65,85,0.8);
    --el-border-color-light:    rgba(51,65,85,0.6);
    --el-border-color-lighter:  rgba(51,65,85,0.4);
    --el-border-color-extra-light: rgba(51,65,85,0.25);
    --el-border-color-dark:     rgba(71,85,105,0.9);
    --el-border-color-darker:   rgba(100,116,139,0.6);

    /* 文字颜色 */
    --el-text-color-primary:    #e2e8f0;
    --el-text-color-regular:    #cbd5e1;
    --el-text-color-secondary:  #94a3b8;
    --el-text-color-placeholder:#475569;
    --el-text-color-disabled:   #334155;

    /* 禁用态 */
    --el-disabled-bg-color:     #1e293b;
    --el-disabled-text-color:   #475569;
    --el-disabled-border-color: rgba(51,65,85,0.5);

    /* 主色（cyan，与 6767-site.css 一致）*/
    --el-color-primary:         #22d3ee;
    --el-color-primary-light-3: #67e8f9;
    --el-color-primary-light-5: #a5f3fc;
    --el-color-primary-light-7: #cffafe;
    --el-color-primary-light-8: #e0f9fd;
    --el-color-primary-light-9: #f0fdff;
    --el-color-primary-dark-2:  #06b6d4;

    /* 输入框 */
    --el-input-bg-color:        rgba(15,23,42,0.8);
    --el-input-border-color:    rgba(51,65,85,0.8);
    --el-input-hover-border-color: rgba(34,211,238,0.5);
    --el-input-focus-border-color: rgba(34,211,238,0.8);
    --el-input-text-color:      #e2e8f0;
    --el-input-placeholder-color: #475569;
    --el-input-icon-color:      #64748b;

    /* select */
    --el-select-input-color:    #e2e8f0;
    --el-select-input-focus-border-color: rgba(34,211,238,0.8);

    /* 阴影 */
    --el-box-shadow:            0 4px 16px rgba(0,0,0,0.5);
    --el-box-shadow-light:      0 2px 8px rgba(0,0,0,0.4);
    --el-box-shadow-lighter:    0 1px 4px rgba(0,0,0,0.3);
    --el-box-shadow-dark:       0 8px 24px rgba(0,0,0,0.6);

    /* dialog/popover */
    --el-dialog-bg-color:       #0f172a;
    --el-popover-bg-color:      #1e293b;
    --el-popper-border-color:   rgba(51,65,85,0.8);

    /* 通用变量：夜间覆盖 */
    --bg-color:                 #0f172a;
    --bg-color-rgb:             15, 23, 42;
    --bg-color-dark:            #020617;
    --bg-color-dark2:           #1e293b;
    --text-color:               #f8fafc;
    --text-gray-color:          #94a3b8;
    --border-color:             rgba(51,65,85,0.8);
    --border-color-dark:        #334155;
    --border-color-dark2:       #475569;
    --border-color-dark3:       #64748b;
    --box-shadow-color:         rgba(0, 0, 0, 0.5);
    --shadow-sm:                0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md:                0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg:                0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow:              0 0 15px rgba(34, 211, 238, 0.25);
    --primary-gradient:         linear-gradient(135deg, #06b6d4 0%, #0284c7 100%);
    --card-hover-bg:            rgba(34, 211, 238, 0.1);
}

/* ── 3. 全局 body 样式 ── */
body {
    background: #f8fafc;
    color: #334155;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    transition: background-color 0.25s ease, color 0.25s ease;
}

html.dark body {
    background: #050a14;
    color: #cbd5e1;
}

/* ── 4. 工具顶栏 ── */
.tool-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
    background: linear-gradient(90deg, rgba(255,255,255,0.96), rgba(248,250,252,0.96));
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background 0.25s, border-color 0.25s;
}

html.dark .tool-topbar {
    background: linear-gradient(90deg, rgba(5,10,20,0.96), rgba(15,23,42,0.96));
    border-bottom: 1px solid rgba(51,65,85,0.5);
    box-shadow: none;
}

.tool-topbar-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #0284c7;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
    flex-shrink: 0;
}
.tool-topbar-logo:hover { color: #0369a1; }
html.dark .tool-topbar-logo { color: #22d3ee; }
html.dark .tool-topbar-logo:hover { color: #67e8f9; }
.tool-topbar-logo img { width: 20px; height: 20px; border-radius: 4px; }

.tool-topbar-sep {
    color: #cbd5e1;
    font-size: 0.9rem;
    flex-shrink: 0;
}
html.dark .tool-topbar-sep { color: #334155; }

.tool-topbar-title {
    color: #64748b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}
html.dark .tool-topbar-title { color: #94a3b8; }

.tool-topbar-home {
    margin-left: 8px;
    flex-shrink: 0;
    color: #64748b;
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.2s;
    white-space: nowrap;
}
.tool-topbar-home:hover { color: #0284c7; }
html.dark .tool-topbar-home { color: #475569; }
html.dark .tool-topbar-home:hover { color: #94a3b8; }

.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    outline: none;
}
.theme-toggle-btn:hover {
    border-color: var(--el-color-primary);
    color: var(--el-color-primary);
    transform: translateY(-1px) scale(1.06);
    box-shadow: 0 4px 12px rgba(2,132,199,0.15);
}
html.dark .theme-toggle-btn:hover {
    box-shadow: 0 0 12px rgba(34,211,238,0.25);
}
.theme-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-toggle-btn:hover .theme-toggle-icon {
    transform: rotate(18deg);
}

.topbar-theme-toggle {
    margin-left: 0;
    margin-right: 8px;
}

.topbar-lang-toggle {
    margin-left: auto;
    margin-right: 8px;
}

.topbar-lang-toggle .lang-toggle-btn {
    height: 28px;
    padding: 0 10px;
    font-size: 0.76rem;
    gap: 6px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(203, 213, 225, 0.8);
    color: #334155;
}
html.dark .topbar-lang-toggle .lang-toggle-btn {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(56, 189, 248, 0.28);
    color: #f1f5f9;
}
.topbar-lang-toggle .lang-toggle-btn:hover {
    border-color: #0284c7;
    color: #0284c7;
}
html.dark .topbar-lang-toggle .lang-toggle-btn:hover {
    border-color: #38bdf8;
    color: #38bdf8;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
}

.lang-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #0284c7;
}
html.dark .lang-toggle-icon {
    color: #38bdf8;
}

.lang-chevron {
    transition: transform 0.2s ease;
    opacity: 0.7;
}
.lang-toggle-wrap:has(.lang-dropdown-menu.is-open) .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 100000;
    min-width: 140px;
    background: #ffffff;
    border: 1px solid rgba(203, 213, 225, 0.8);
    border-radius: 12px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
    padding: 5px;
    display: none;
    flex-direction: column;
    gap: 3px;
    backdrop-filter: blur(16px);
}
html.dark .lang-dropdown-menu {
    background: rgba(15, 23, 42, 0.96);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}
.lang-dropdown-menu.is-open {
    display: flex;
    animation: lang-menu-in 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.lang-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.82rem;
    color: #334155;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    white-space: nowrap;
}
html.dark .lang-menu-item {
    color: #cbd5e1;
}
.lang-item-content {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.lang-flag {
    font-size: 1.1em;
}
.lang-menu-item:hover {
    background: rgba(2, 132, 199, 0.1);
    color: #0284c7;
}
html.dark .lang-menu-item:hover {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
}
.lang-menu-item.is-active {
    font-weight: 700;
    color: #0284c7;
    background: rgba(2, 132, 199, 0.12);
}
html.dark .lang-menu-item.is-active {
    background: rgba(56, 189, 248, 0.2);
    color: #38bdf8;
}
.lang-menu-item .lang-check {
    font-size: 12px;
    font-weight: bold;
    opacity: 0;
}
.lang-menu-item.is-active .lang-check {
    opacity: 1;
}

@media (max-width: 480px) {
    .tool-topbar { padding: 0 12px; gap: 6px; }
    .tool-topbar-home { display: none; }
}

/* ── 5. 工具页主体布局 ── */
.tool-page-body {
    padding: 32px 16px 64px;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .tool-page-body { padding: 40px 24px 80px; }
}

/* ── 6. 工具卡片 ── */
.card-model {
    background: transparent;
}

.card-body {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.05);
    transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

html.dark .card-body {
    background: rgba(15,23,42,0.8);
    border: 1px solid rgba(51,65,85,0.6);
    box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.tool-head .title,
.tool-head h1 {
    color: #0f172a;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 10px 0;
}
html.dark .tool-head .title,
html.dark .tool-head h1 {
    color: #e2e8f0;
}

.description {
    color: #475569;
    font-size: 0.875rem;
    margin-bottom: 20px;
    line-height: 1.6;
}
html.dark .description {
    color: #64748b;
}

.divider {
    border: none;
    border-top: 1px solid #e2e8f0;
    margin: 24px 0;
}
html.dark .divider {
    border-top: 1px solid rgba(51,65,85,0.5);
}

.content {
    color: #334155;
    font-size: 0.875rem;
    line-height: 1.75;
}
html.dark .content {
    color: #94a3b8;
}

.content h2,
.content h3,
.content h4 {
    color: #0f172a;
    margin-top: 1.4em;
}
html.dark .content h2,
html.dark .content h3,
html.dark .content h4 {
    color: #cbd5e1;
}

.content a { color: #0284c7; }
.content a:hover { color: #0369a1; }
html.dark .content a { color: #22d3ee; }
html.dark .content a:hover { color: #67e8f9; }

.content p { margin: 0.75em 0; }

.content table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.82rem;
}
.content table th {
    background: #f8fafc;
    color: #334155;
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    text-align: left;
}
.content table td {
    padding: 7px 12px;
    border: 1px solid #e2e8f0;
    color: #334155;
}
.content table tr:nth-child(even) td {
    background: #f8fafc;
}
html.dark .content table th {
    background: rgba(30,41,59,0.8);
    color: #94a3b8;
    border: 1px solid rgba(51,65,85,0.5);
}
html.dark .content table td {
    border: 1px solid rgba(51,65,85,0.4);
    color: #cbd5e1;
    background: transparent;
}
html.dark .content table tr:nth-child(even) td {
    background: rgba(15,23,42,0.4);
}

/* ── 7. Element-Plus 组件适配 ── */

/* 输入框 */
.el-input__wrapper,
.el-textarea__inner {
    background: #ffffff !important;
    box-shadow: 0 0 0 1px #cbd5e1 inset !important;
    transition: box-shadow 0.2s, background 0.2s !important;
}
.el-input__wrapper:hover,
.el-textarea__inner:hover {
    box-shadow: 0 0 0 1px #38bdf8 inset !important;
}
.el-input__wrapper.is-focus,
.el-textarea__inner:focus {
    box-shadow: 0 0 0 1px #0284c7 inset, 0 0 0 3px rgba(2,132,199,0.15) !important;
}
.el-input__inner,
.el-textarea__inner {
    color: #0f172a !important;
    background: transparent !important;
}
.el-input__inner::placeholder,
.el-textarea__inner::placeholder {
    color: #94a3b8 !important;
}

html.dark .el-input__wrapper,
html.dark .el-textarea__inner {
    background: rgba(15,23,42,0.8) !important;
    box-shadow: 0 0 0 1px rgba(51,65,85,0.8) inset !important;
}
html.dark .el-input__wrapper:hover,
html.dark .el-textarea__inner:hover {
    box-shadow: 0 0 0 1px rgba(34,211,238,0.4) inset !important;
}
html.dark .el-input__wrapper.is-focus,
html.dark .el-textarea__inner:focus {
    box-shadow: 0 0 0 1px rgba(34,211,238,0.8) inset !important;
}
html.dark .el-input__inner,
html.dark .el-textarea__inner {
    color: #e2e8f0 !important;
}
html.dark .el-input__inner::placeholder,
html.dark .el-textarea__inner::placeholder {
    color: #475569 !important;
}

/* 按钮 */
.el-button {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #334155;
    font-weight: 500;
}
.el-button:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #0f172a;
}
.el-button--primary {
    background: #0284c7;
    border-color: #0284c7;
    color: #ffffff;
}
.el-button--primary:hover {
    background: #0369a1;
    border-color: #0369a1;
    color: #ffffff;
}

html.dark .el-button {
    background: rgba(15,23,42,0.6);
    border-color: rgba(51,65,85,0.8);
    color: #94a3b8;
}
html.dark .el-button:hover {
    background: rgba(30,41,59,0.8);
    border-color: rgba(100,116,139,0.6);
    color: #e2e8f0;
}
html.dark .el-button--primary {
    background: rgba(34,211,238,0.15);
    border-color: rgba(34,211,238,0.5);
    color: #22d3ee;
}
html.dark .el-button--primary:hover {
    background: rgba(34,211,238,0.25);
    border-color: rgba(34,211,238,0.8);
    color: #67e8f9;
}

/* 表单标签 */
.el-form-item__label { color: #334155; font-weight: 500; }
.el-form-item__error  { color: #ef4444; }
html.dark .el-form-item__label { color: #94a3b8; }
html.dark .el-form-item__error  { color: #f87171; }

/* Switch */
.el-switch__core {
    background: #cbd5e1;
    border-color: #cbd5e1;
}
.el-switch.is-checked .el-switch__core {
    background: #0284c7;
    border-color: #0284c7;
}
html.dark .el-switch__core {
    background: rgba(51,65,85,0.8);
    border-color: rgba(51,65,85,0.8);
}
html.dark .el-switch.is-checked .el-switch__core {
    background: rgba(34,211,238,0.3);
    border-color: rgba(34,211,238,0.6);
}

/* Radio / Checkbox */
.el-radio__label,
.el-checkbox__label { color: #334155; }
.el-radio__inner,
.el-checkbox__inner {
    background: #ffffff;
    border-color: #cbd5e1;
}
.el-radio.is-checked .el-radio__inner,
.el-checkbox.is-checked .el-checkbox__inner {
    background: #0284c7;
    border-color: #0284c7;
}

html.dark .el-radio__label,
html.dark .el-checkbox__label { color: #cbd5e1; }
html.dark .el-radio__inner,
html.dark .el-checkbox__inner {
    background: rgba(15,23,42,0.8);
    border-color: rgba(51,65,85,0.8);
}
html.dark .el-radio.is-checked .el-radio__inner,
html.dark .el-checkbox.is-checked .el-checkbox__inner {
    background: #22d3ee;
    border-color: #22d3ee;
}

/* Select 下拉 */
.el-select-dropdown {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}
.el-select-dropdown__item { color: #334155; }
.el-select-dropdown__item.hover,
.el-select-dropdown__item:hover {
    background: #f0f9ff;
    color: #0284c7;
}
.el-select-dropdown__item.is-selected { color: #0284c7; font-weight: 600; }

html.dark .el-select-dropdown {
    background: #1e293b;
    border-color: rgba(51,65,85,0.8);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
html.dark .el-select-dropdown__item { color: #94a3b8; }
html.dark .el-select-dropdown__item.hover,
html.dark .el-select-dropdown__item:hover {
    background: rgba(34,211,238,0.08);
    color: #e2e8f0;
}
html.dark .el-select-dropdown__item.is-selected { color: #22d3ee; }

/* Popover / Dialog */
.el-dialog {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}
.el-dialog__header { border-bottom: 1px solid #e2e8f0; }
.el-dialog__title { color: #0f172a; font-weight: 600; }
.el-dialog__headerbtn .el-dialog__close { color: #94a3b8; }
.el-dialog__headerbtn:hover .el-dialog__close { color: #0f172a; }

html.dark .el-dialog {
    background: #0f172a;
    border: 1px solid rgba(51,65,85,0.6);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
html.dark .el-dialog__header { border-bottom: 1px solid rgba(51,65,85,0.4); }
html.dark .el-dialog__title { color: #e2e8f0; }
html.dark .el-dialog__headerbtn .el-dialog__close { color: #64748b; }
html.dark .el-dialog__headerbtn:hover .el-dialog__close { color: #94a3b8; }

/* Slider */
.el-slider__runway { background: #e2e8f0; }
.el-slider__bar { background: #0284c7; }
.el-slider__button { border-color: #0284c7; background: #ffffff; }

html.dark .el-slider__runway { background: rgba(51,65,85,0.6); }
html.dark .el-slider__bar { background: #22d3ee; }
html.dark .el-slider__button { border-color: #22d3ee; background: #0f172a; }

/* Upload */
.el-upload-dragger {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #64748b;
}
.el-upload-dragger:hover { border-color: #0284c7; }
html.dark .el-upload-dragger {
    background: rgba(15,23,42,0.8);
    border-color: rgba(51,65,85,0.6);
    color: #64748b;
}
html.dark .el-upload-dragger:hover { border-color: rgba(34,211,238,0.5); }

/* ── 8. 工具特定：compute-result、passworld 等 ── */
.compute-result {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px !important;
}
.compute-result .label { color: #475569; }
.compute-result .passworld {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
}
.compute-result a { color: #0284c7 !important; }

html.dark .compute-result {
    background: rgba(15,23,42,0.8) !important;
    border: 1px solid rgba(51,65,85,0.5);
}
html.dark .compute-result .label { color: #94a3b8; }
html.dark .compute-result .passworld {
    background: rgba(30,41,59,0.6) !important;
    border-color: rgba(51,65,85,0.6) !important;
    color: #e2e8f0 !important;
}
html.dark .compute-result a { color: #22d3ee !important; }

/* ── 9. Vue 工具模板布局兼容层 ── */
.w100 { width: 100%; }
.tool-body { width: 100%; color: #334155; }
.tool-body .left { flex: 1; min-width: 0; }
.tool-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(2,132,199,0.25);
    padding-bottom: 12px;
    margin-bottom: 16px;
}
html.dark .tool-head {
    border-bottom: 1px solid rgba(34,211,238,0.45);
}

.tool-head .title,
.tool-head h1 {
    flex: 1;
    min-width: 0;
    color: #0f172a;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    line-height: 1.35;
    margin: 0;
    word-break: break-word;
}
html.dark .tool-head .title,
html.dark .tool-head h1 {
    color: #f1f5f9;
}

.tool-body .description {
    color: #475569;
    background: #f1f5f9;
    border-left: 3px solid #0284c7;
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    line-height: 1.7;
}
html.dark .tool-body .description {
    color: #94a3b8;
    background: rgba(30,41,59,0.55);
    border-left: 2px solid rgba(34,211,238,0.5);
}

.tool-body .tool-form {
    width: min(100%, 560px);
    margin: 0 auto 24px;
    text-align: center;
}
.tool-body .tool-form .el-form-item--large { margin-bottom: 24px; }
.tool-body .tool-form .el-alert__description { text-align: left; }
.tool-body .tool-form .trans { display: flex; align-items: center; gap: 12px; }
.tool-body .tool-form .trans .trans-left,
.tool-body .tool-form .trans .trans-right { align-self: flex-start; width: 50%; }
.tool-body .tool-form .trans .my-icon-kxjt,
.tool-body .tool-form .trans .my-icon-mutual-convert {
    flex: 0 0 auto;
    color: #94a3b8;
    font-size: 1.75rem;
    padding: 0 4px;
}
.tool-body .tool-form .trans .my-icon-mutual-convert { transform: rotate(90deg); }
.tool-body .tool-form .trans .edit-top { margin-bottom: 6px; }
.tool-body .tool-form .trans .edit-bottom { margin-top: 6px; }
.tool-body .tool-form .trans .edit-top .item,
.tool-body .tool-form .trans .edit-bottom .item {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    margin: 0 6px 6px 0;
}
.tool-body .tool-form .trans .edit-textarea {
    display: block;
    width: 100%;
    min-height: 241px;
    resize: vertical;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #ffffff;
    color: #0f172a;
    line-height: 1.6;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.tool-body .tool-form .trans .edit-textarea:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2,132,199,0.12);
}
html.dark .tool-body .tool-form .trans .edit-textarea {
    border: 1px solid rgba(51,65,85,0.9);
    background: rgba(2,6,23,0.7);
    color: #e2e8f0;
}
html.dark .tool-body .tool-form .trans .edit-textarea:focus {
    border-color: #22d3ee;
    box-shadow: none;
}

.tool-body .tool-form .trans .text-statistics span:not(:last-child) {
    margin-right: 8px;
    padding-right: 8px;
    border-right: 1px solid #cbd5e1;
}
html.dark .tool-body .tool-form .trans .text-statistics span:not(:last-child) {
    border-right: 1px solid rgba(100,116,139,0.5);
}

.my-div-input {
    width: 100%;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #ffffff;
    color: #0f172a;
    outline: none;
    word-break: break-word;
}
.my-div-input:focus { border-color: #0284c7; }
html.dark .my-div-input {
    border: 1px solid rgba(51,65,85,0.9);
    background: rgba(15,23,42,0.8);
    color: #e2e8f0;
}
html.dark .my-div-input:focus { border-color: #22d3ee; }

/* ── 10. 评论组件 ── */
.comment-model {
    width: 100%;
    margin-top: 18px;
    padding: 18px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
}
.comment-model > .title {
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
    color: #0f172a;
    font-size: 0.95rem;
    font-weight: 600;
}
.comment-submit-box { width: 100%; }
.comment-submit-box .el-textarea { display: block; width: 100%; }
.comment-submit-box .bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
}
.comment-submit-box .bottom-right { display: flex; align-items: center; gap: 16px; }
.comment-submit-box .bottom-right a { color: #64748b; }
.comment-submit-box .bottom-right a:hover { color: #0284c7; }
.comment-list { margin-top: 16px; }
.comment-item {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid #e2e8f0;
}
.comment-item > .item-right > .top { display: flex; align-items: center; gap: 12px; color: #64748b; }
.comment-item > .item-right > .top .name { flex: 1; min-width: 0; color: #0f172a; font-weight: 500; }
.comment-item > .item-right > .top .time { flex: 0 0 auto; color: #94a3b8; font-size: 0.75rem; }
.comment-item > .item-right .comment-content { margin: 7px 0; color: #334155; line-height: 1.6; }

html.dark .comment-model {
    border: 1px solid rgba(51,65,85,0.65);
    background: rgba(15,23,42,0.72);
}
html.dark .comment-model > .title {
    border-bottom: 1px solid rgba(51,65,85,0.55);
    color: #e2e8f0;
}
html.dark .comment-item { border-top: 1px solid rgba(51,65,85,0.55); }
html.dark .comment-item > .item-right > .top { color: #94a3b8; }
html.dark .comment-item > .item-right > .top .name { color: #cbd5e1; }
html.dark .comment-item > .item-right > .top .time { color: #64748b; }
html.dark .comment-item > .item-right .comment-content { color: #94a3b8; }

/* ── 11. 测评与益智游戏 ── */
.tool-body .tool-form.test-form {
    width: min(100%, 1000px);
    max-width: none;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #ffffff;
    text-align: left;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}
.tool-body .tool-form.test-form .test-question .desc { margin: 0 0 12px; color: #0f172a; font-size: 1.125rem; }
.tool-body .tool-form.test-form .test-question-options .item {
    width: 100%; min-height: 36px; margin: 6px; padding: 10px 12px;
    border: 1px solid #e2e8f0; border-radius: 8px;
    background: #f8fafc; cursor: pointer; color: #334155;
    transition: all 0.2s ease;
}
.tool-body .tool-form.test-form .test-question-options .item:hover {
    border-color: #38bdf8;
    background: #f0f9ff;
    color: #0284c7;
}
.tool-body .tool-form.test-form .test-question-options .item.active {
    border-color: #0284c7;
    background: #e0f2fe;
    color: #0369a1;
    font-weight: 600;
}

html.dark .tool-body .tool-form.test-form {
    border: 1px solid rgba(51,65,85,0.6);
    background: rgba(15,23,42,0.55);
    box-shadow: none;
}
html.dark .tool-body .tool-form.test-form .test-question .desc { color: #e2e8f0; }
html.dark .tool-body .tool-form.test-form .test-question-options .item {
    border: 1px solid rgba(51,65,85,0.8);
    background: rgba(2,6,23,0.35);
    color: #cbd5e1;
}
html.dark .tool-body .tool-form.test-form .test-question-options .item:hover { border-color: rgba(34,211,238,0.75); }
html.dark .tool-body .tool-form.test-form .test-question-options .item.active { border-color: #22d3ee; background: rgba(34,211,238,0.15); color: #cffafe; }

.game-box {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: min(500px, 100%); max-width: 100%; margin: 0 auto 18px;
    padding: 8px 0 16px; color: #334155; font-size: 1rem; user-select: none;
}
.game-box .game-name { width: 100%; margin-bottom: 24px; color: #0f172a; font-size: 1.35rem; text-align: center; }
.game-box .game-level { width: 100%; margin-bottom: 16px; color: #64748b; font-size: 1.05rem; text-align: center; }
.game-box .game-top { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 28px; margin-bottom: 16px; }

html.dark .game-box { color: #cbd5e1; }
html.dark .game-box .game-name { color: #f1f5f9; }
html.dark .game-box .game-level { color: #94a3b8; }

/* ── 12. 分类列表与搜索页 ── */
.category-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px 16px 80px;
}
.cat-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}
html.dark .cat-hero {
    border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}
.cat-title {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #0f172a 30%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
html.dark .cat-title {
    color: #f8fafc;
    background: linear-gradient(135deg, #ffffff 30%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.cat-badge {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    background: #e0f2fe;
    border: 1px solid #bae6fd;
    color: #0284c7;
}
html.dark .cat-badge {
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #38bdf8;
}

.tool-box {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    gap: 12px;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.2s ease;
}
.tool-box:hover {
    border-color: #38bdf8;
    box-shadow: 0 8px 24px rgba(2,132,199,0.1);
    transform: translateY(-2px);
}
.tool-box .name { color: #0f172a; font-weight: 600; }
.tool-box .desc { color: #64748b; font-size: 0.82rem; }

html.dark .tool-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.6);
    box-shadow: none;
}
html.dark .tool-box:hover {
    border-color: rgba(34, 211, 238, 0.5);
    background: rgba(8, 47, 73, 0.5);
}
html.dark .tool-box .name { color: #f1f5f9; }
html.dark .tool-box .desc { color: #94a3b8; }

/* ── 13. 高级扩展工具通用样式 (Terminal Panel, Periodic, Minesweeper etc.) ── */
.terminal-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.terminal-header {
    background: #f8fafc;
    padding: 8px 14px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.78rem;
    color: #475569;
}
html.dark .terminal-panel {
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(51, 65, 85, 0.7);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}
html.dark .terminal-header {
    background: #111c30;
    border-bottom: 1px solid rgba(51, 65, 85, 0.7);
    color: #94a3b8;
}

/* 元素周期表控制栏 */
.pt-control-bar {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.pt-chip {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #475569;
}
.pt-chip.active {
    background: #e0f2fe;
    border-color: #0284c7;
    color: #0369a1;
}
html.dark .pt-control-bar {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(51, 65, 85, 0.6);
    box-shadow: none;
}
html.dark .pt-chip {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(51, 65, 85, 0.6);
    color: #94a3b8;
}
html.dark .pt-chip.active {
    background: rgba(34, 211, 238, 0.15);
    border-color: #22d3ee;
    color: #38bdf8;
}

/* 扫雷游戏容器 */
.ms-container {
    background: #ffffff;
    border: 2px solid #cbd5e1;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.ms-header {
    background: #f1f5f9;
    border: 2px solid #cbd5e1;
}
html.dark .ms-container {
    background: #0f172a;
    border: 2px solid #334155;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(34, 211, 238, 0.1);
}
html.dark .ms-header {
    background: #020617;
    border: 2px solid #1e293b;
}

/* ── 14. 常用布局实用工具类补全 ── */
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }
.gap-4 { gap: 16px !important; }