* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a6bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #2c3e50;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-color: #3a5bef;
}

/* 暗色主题变量 */
[data-theme="dark"] {
    --primary-color: #6c8fff;
    --secondary-color: #a0a0a0;
    --background-color: #1a1a1a;
    --card-background: #2d2d2d;
    --text-color: #ffffff;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --hover-color: #8ba4ff;
}

/* 暗色主题下的输入框样式 */
[data-theme="dark"] input {
    background-color: #1a1a1a;
    color: #ffffff;
    border-color: #404040;
}

[data-theme="dark"] input::placeholder {
    color: #808080;
}

[data-theme="dark"] input:focus {
    border-color: var(--primary-color);
    background-color: #2d2d2d;
}

/* 暗色主题下的标签文字 */
[data-theme="dark"] .input-item label {
    color: #cccccc;
}

/* 暗色主题下的工具按钮 */
[data-theme="dark"] .tool-btn {
    background-color: #2d2d2d;
    color: #ffffff;
    border-color: #404040;
}

[data-theme="dark"] .tool-btn:hover {
    border-color: var(--primary-color);
}

[data-theme="dark"] .tool-btn.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* 暗色主题下的颜色代码列表 */
[data-theme="dark"] .color-codes-list {
    background-color: #2d2d2d;
}

[data-theme="dark"] .color-code-item {
    background-color: #1a1a1a;
}

[data-theme="dark"] .color-hex {
    color: #cccccc;
}

/* 暗色主题下的时间信息显示 */
[data-theme="dark"] #datetime-info {
    background-color: #2d2d2d;
    color: #ffffff;
    border-color: #404040;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: min(1200px, 90vw);
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--primary-color), #6c5ce7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* 顶部工具按钮样式 */
.tool-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.tool-btn {
    padding: 0.8rem 1.5rem;
    background-color: var(--card-background);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.tool-btn:hover {
    border-color: var(--primary-color);
}

.tool-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(74, 107, 255, 0.3);
}

/* 工具内容区域样式 */
.tools-container {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    width: 80%;
    margin: 0 auto;
}

.tool-section {
    display: block;
}

.tool-section.hidden {
    display: none;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-item {
    width: 100%;
    position: relative;
}

.input-item label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--background-color);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
    background-color: var(--card-background);
}

input::placeholder {
    color: var(--secondary-color);
    opacity: 0.7;
}

/* 时间信息显示样式 */
#datetime-info {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--card-background);
    color: var(--text-color);
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    z-index: 1000;
    min-width: 250px;
    text-align: left;
    line-height: 1.7;
    border: 2px solid var(--border-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .tool-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #datetime-info {
        position: static;
        margin-bottom: 20px;
        width: 100%;
    }
}

/* 添加滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--hover-color);
}

/* 查看地图按钮样式 */
.view-map-btn {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.view-map-btn:hover {
    background-color: var(--hover-color);
}

/* 地图容器样式 */
#map {
    display: none;
    height: 100vh;
    width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}

#map:not(.hidden) {
    display: block;
}

#map:not(.hidden) ~ .tools-container,
#map:not(.hidden) ~ #datetime-info {
    display: none;
}

/* RGB颜色查询工具样式 */
.color-preview {
    margin-top: 20px;
    text-align: center;
}

#colorDisplay {
    width: 200px;
    height: 100px;
    margin: 0 auto;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#hexValue {
    margin-top: 10px;
    font-size: 18px;
    font-family: monospace;
}

/* 颜色输入组样式 */
.color-inputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.input-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-item label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.input-item input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    width: 100%;
}

.input-item input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .color-inputs {
        grid-template-columns: 1fr;
    }
}

/* 颜色代码展示样式 */
.color-codes-btn {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.color-codes-btn:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.color-codes-list {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    padding: 15px;
    background-color: var(--background-color);
    border-radius: 8px;
    max-height: 600px;
    overflow-y: auto;
}

.color-codes-list.hidden {
    display: none;
}

.color-code-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background-color: var(--card-background);
    border-radius: 4px;
    box-shadow: 0 1px 3px var(--shadow-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-code-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.color-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.color-hex {
    font-family: monospace;
    font-size: 13px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

/* 自定义滚动条样式 */
.color-codes-list::-webkit-scrollbar {
    width: 6px;
}

.color-codes-list::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 3px;
}

.color-codes-list::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.color-codes-list::-webkit-scrollbar-thumb:hover {
    background: var(--hover-color);
}

/* 邮件图标样式 */
.email-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    opacity: 0.6;
}

.email-icon a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: transparent;
    border-radius: 50%;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.email-icon a:hover {
    opacity: 1;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.email-icon svg {
    width: 20px;
    height: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .email-icon {
        bottom: 15px;
        right: 15px;
    }
    
    .email-icon a {
        width: 35px;
        height: 35px;
    }
    
    .email-icon svg {
        width: 18px;
        height: 18px;
    }
}

/* 主题切换按钮样式 */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-background);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* 根据主题显示/隐藏图标 */
[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="light"] .moon-icon {
    display: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .theme-toggle {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
}

/* 文本处理工具样式 */
.text-editor-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}

.editor-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.editor-wrapper label,
.vim-command-wrapper label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
}

/* 文本编辑器样式 */
.text-editor {
    flex: 1;
    width: 100%;
    min-height: 500px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    line-height: 1.5;
    background-color: var(--background-color);
    color: var(--text-color);
    resize: vertical;
}

.text-editor:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
    background-color: var(--card-background);
}

/* Vim 命令输入框样式 */
.vim-command-wrapper {
    display: flex;
    flex-direction: column;
    position: relative;
}

.label-with-help {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.label-with-help label {
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
}

/* 帮助图标样式 */
.help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-icon:hover {
    background-color: var(--hover-color);
    transform: scale(1.1);
}

/* 命令帮助面板样式 */
.command-help {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.5rem;
    padding: 1rem;
    background-color: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
}

.command-help.hidden {
    display: none;
}

.command-help h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.help-section {
    margin-bottom: 1rem;
}

.help-section strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

.help-section ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.help-section li {
    padding: 0.3rem 0;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
}

.help-section code {
    background-color: var(--background-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.vim-commands {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    line-height: 1.5;
    background-color: var(--background-color);
    color: var(--text-color);
    resize: vertical;
}

.vim-commands:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
    background-color: var(--card-background);
}

/* 按钮组样式 */
.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.action-btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow-color);
}

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

.execute-btn:hover:not(:disabled) {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(74, 107, 255, 0.3);
}

.execute-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.copy-btn {
    background-color: #28a745;
    color: white;
}

.copy-btn:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}

.undo-btn {
    background-color: var(--secondary-color);
    color: white;
}

.undo-btn:hover:not(:disabled) {
    background-color: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

.undo-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

/* 暗色主题下的文本处理工具样式 */
[data-theme="dark"] .text-editor,
[data-theme="dark"] .vim-commands {
    background-color: #1a1a1a;
    color: #ffffff;
    border-color: #404040;
}

[data-theme="dark"] .text-editor:focus,
[data-theme="dark"] .vim-commands:focus {
    border-color: var(--primary-color);
    background-color: #2d2d2d;
}

[data-theme="dark"] .text-editor::placeholder,
[data-theme="dark"] .vim-commands::placeholder {
    color: #808080;
}

[data-theme="dark"] .command-help {
    background-color: #2d2d2d;
    border-color: #404040;
}

[data-theme="dark"] .help-section code {
    background-color: #1a1a1a;
    border-color: #404040;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .text-editor {
        min-height: 400px;
    }

    .editor-wrapper {
        min-height: 400px;
    }

    .button-group {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
    }

    .command-help {
        max-height: 300px;
    }
}