m* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --border-color: #dee2e6;
    --text-color: #2c3e50;
    --text-muted: #6c757d;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

/* 消息提示 */
.message {
    display: none;
    padding: 15px 30px;
    margin: 0;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.message.active {
    display: block;
}

.message.success {
    background-color: #d4efdf;
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.message.error {
    background-color: #fadbd8;
    color: var(--error-color);
    border-left: 4px solid var(--error-color);
}

.message.warning {
    background-color: #fef9e7;
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

/* 标签页样式 */
.tabs {
    display: flex;
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    cursor: pointer;
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    min-width: fit-content;
    user-select: none;
    position: relative;
}

.tab * {
    pointer-events: none;
}

.tab:hover {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
}

.tab.active {
    background-color: var(--card-background);
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-icon {
    font-size: 1.2rem;
}

/* 设置卡片 */
.settings-card {
    background: var(--card-background);
    margin: 20px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}



.settings-card .card-header {
    padding: 20px;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
}

.settings-card .card-header h3 {
    margin: 0;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.settings-content {
    padding: 20px;
}

/* 标签页内容 */
.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}

/* 卡片样式 */
.card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f1f3f4;
}

.card-header h3 {
    margin: 0;
    color: var(--secondary-color);
    font-size: 1.3rem;
}

.card-description {
    color: var(--text-muted);
    margin: 5px 0 0 0;
    font-size: 0.9rem;
}

.card-actions {
    display: flex;
    gap: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
    background-color: var(--card-background);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* 密码输入容器 */
.password-container {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.password-container input {
    flex: 1;
}

.password-toggle,
.generate-btn {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    background: var(--card-background);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.password-toggle:hover,
.generate-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

/* 按钮样式 */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--card-background);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

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

.btn-icon {
    font-size: 1.1rem;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin: 25px 0;
}

/* 输入信息 */
.input-info {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 加载动画 */
.loading {
    display: none;
    text-align: center;
    padding: 30px;
}

.loading.active {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(52, 152, 219, 0.2);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 结果面板 */
.result-panel {
    display: none;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 15px 0;
    border-left: 4px solid var(--success-color);
    transition: var(--transition);
}

.result-panel.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

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

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.result-header h4 {
    margin: 0;
    color: var(--success-color);
    font-size: 1.1rem;
}

.result-actions {
    display: flex;
    gap: 10px;
}

/* 统计信息 */
.result-stats,
.batch-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
    padding: 15px;
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.stat-item span:last-child {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* 批量处理 */
.batch-controls {
    margin-bottom: 25px;
}

.radio-group,
.checkbox-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
    margin-bottom: 0;
}

.radio-label input,
.checkbox-label input {
    width: auto;
    margin: 0;
}

/* 工具网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 0;
}

.tool-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(52, 152, 219, 0.3);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-header {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-header h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.15rem;
    font-weight: 600;
}

.tool-card > p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 工具卡片内的表单组 */
.tool-card .form-group {
    margin-bottom: 16px;
}

.tool-card .form-group:last-of-type {
    margin-bottom: 20px;
}

.tool-card label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.tool-card input[type="number"],
.tool-card textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: #fafbfc;
}

.tool-card input[type="number"]:focus,
.tool-card textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.08);
}

.tool-card textarea {
    resize: vertical;
    min-height: 70px;
}

/* 复选框组优化 */
.tool-card .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    margin-bottom: 20px;
}

.tool-card .checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 0;
    font-size: 0.85rem !important;
    margin-bottom: 0 !important;
    font-weight: normal !important;
}

.tool-card .checkbox-label input[type="checkbox"] {
    width: auto !important;
    margin: 0;
    accent-color: var(--primary-color);
    transform: scale(1.1);
}

.tool-card .checkbox-label span {
    color: var(--text-color);
}

/* 工具卡片按钮优化 */
.tool-card .btn-primary {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    cursor: pointer;
}

.tool-card .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.25);
}

.tool-card .btn-primary:active {
    transform: translateY(0);
}

/* 工具结果优化 */
.tool-result {
    margin-top: 0;
    padding: 16px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    border: 1px solid #dee2e6;
    display: none;
    position: relative;
    font-size: 0.9rem;
}

.tool-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--success-color);
    border-radius: 2px 0 0 2px;
}

.tool-result.active {
    display: block;
    animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-result.error::before {
    background: var(--error-color);
}

/* 工具结果内容样式 */
.validation-result,
.benchmark-result,
.password-result,
.system-info {
    line-height: 1.6;
}

.validation-result.success {
    color: var(--success-color);
    font-weight: 500;
}

.validation-result.error {
    color: var(--error-color);
    font-weight: 500;
}

.password-display {
    display: flex;
    gap: 8px;
    margin: 12px 0;
    align-items: stretch;
}

.password-display input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    font-family: 'Consolas', 'Monaco', monospace;
    background: white;
    font-size: 0.85rem;
}

.password-display button {
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.password-display button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.password-strength {
    margin-top: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

.system-info ul {
    margin: 8px 0;
    padding-left: 20px;
}

.system-info li {
    margin: 4px 0;
    font-size: 0.85rem;
}

.system-info code {
    background: rgba(52, 152, 219, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.benchmark-result {
    font-size: 0.85rem;
}

.benchmark-result strong {
    color: var(--text-color);
}

/* 滑入动画 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* API文档 - 全新设计 */
.api-doc {
    max-width: none;
    padding: 0;
}

/* 概览部分 */
.api-overview {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 16px;
    margin-bottom: 30px;
    text-align: center;
}

.overview-header h2 {
    font-size: 2.2rem;
    margin: 0 0 10px 0;
    font-weight: 700;
}

.overview-desc {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0 0 30px 0;
}

.quick-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(10px);
}

.info-icon {
    font-size: 2rem;
}

.info-content h4 {
    margin: 0 0 5px 0;
    font-size: 1rem;
    font-weight: 600;
}

.info-content code {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.info-content span {
    font-size: 0.9rem;
    opacity: 0.9;
}



/* API接口网格 */
.api-endpoints {
    margin-bottom: 30px;
}

.api-endpoints h3 {
    color: var(--secondary-color);
    margin: 0 0 20px 0;
    font-size: 1.4rem;
}

.endpoints-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.endpoint-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.endpoint-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.endpoint-card.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(52, 152, 219, 0.02) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.15);
}

.endpoint-card.selected .endpoint-header h4 {
    color: var(--primary-color);
}

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.endpoint-method {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.endpoint-method.post {
    background: #e8f5e8;
    color: #27ae60;
}

.endpoint-method.get {
    background: #e3f2fd;
    color: #2196f3;
}

.endpoint-header h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1rem;
}

.endpoint-card p {
    color: var(--text-muted);
    margin: 0 0 15px 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.endpoint-params {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.param {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.param.required {
    background: #ffebee;
    color: #c62828;
}

.param.optional {
    background: #f3e5f5;
    color: #7b1fa2;
}

.param-note {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
}

/* 示例标签页 */
.api-examples {
    background: var(--card-background);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.api-examples h3 {
    color: var(--secondary-color);
    margin: 0 0 20px 0;
    font-size: 1.4rem;
}

.example-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 20px;
    background: #f8f9fa;
    padding: 4px;
    border-radius: 8px;
}

.example-tab {
    flex: 1;
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-muted);
}

.example-tab.active {
    background: var(--primary-color);
    color: white;
}

.example-content {
    display: none;
}

.example-content.active {
    display: block;
}

/* 响应格式 */
.response-format {
    margin-bottom: 30px;
}

.response-format h3 {
    color: var(--secondary-color);
    margin: 0 0 20px 0;
    font-size: 1.4rem;
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.format-card {
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.format-card.success {
    background: linear-gradient(135deg, #e8f5e8 0%, #f1f8e9 100%);
    border-color: var(--success-color);
}

.format-card.error {
    background: linear-gradient(135deg, #ffebee 0%, #fce4ec 100%);
    border-color: var(--error-color);
}

.format-card h4 {
    margin: 0 0 15px 0;
    font-size: 1.1rem;
}

.format-card.success h4 {
    color: var(--success-color);
}

.format-card.error h4 {
    color: var(--error-color);
}

.code-block.mini {
    margin: 0;
}

.code-block.mini pre {
    padding: 15px;
    font-size: 0.85rem;
}

/* 安全提示 */
.security-tips {
    background: linear-gradient(135deg, #fff3e0 0%, #fce4ec 100%);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid #ffcc02;
}

.security-tips h3 {
    color: var(--secondary-color);
    margin: 0 0 20px 0;
    font-size: 1.4rem;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tip-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.tip-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tip-card h4 {
    margin: 0 0 10px 0;
    color: var(--text-color);
    font-size: 1.1rem;
}

.tip-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .api-overview {
        padding: 30px 20px;
    }
    
    .overview-header h2 {
        font-size: 1.8rem;
    }
    
    .quick-info {
        grid-template-columns: 1fr;
    }
    
    .endpoints-grid {
        grid-template-columns: 1fr;
    }
    
    .format-grid {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .example-tabs {
        flex-direction: column;
    }
}

/* 代码块 */
.code-block {
    margin: 20px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--secondary-color);
    color: white;
    padding: 10px 15px;
    font-size: 0.9rem;
}

.copy-code-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.copy-code-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

pre {
    margin: 0;
    padding: 20px;
    background: #f8f9fa;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

code {
    font-family: 'Consolas', 'Monaco', monospace;
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* 页脚 */
.footer {
    background: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

.footer p {
    margin: 5px 0;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        margin: 0;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .card-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .result-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tool-card {
        padding: 20px;
    }
    
    .tool-card .checkbox-group {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    
    .password-display {
        flex-direction: column;
        gap: 10px;
    }
    
    .password-display button {
        align-self: flex-start;
        padding: 10px 20px;
    }
    
    .radio-group,
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .password-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .settings-card {
        margin: 15px 20px;
    }
    
    .settings-card .card-header {
        padding: 15px;
    }
    
    .settings-content {
        padding: 15px;
    }
    
    .tab-content {
        padding: 15px;
    }
    
    .result-stats,
    .batch-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

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

/* 选择文本样式 */
::selection {
    background: rgba(52, 152, 219, 0.2);
    color: var(--secondary-color);
}

/* 焦点样式 */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 禁用状态 */
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 成功状态 */
.success-state {
    border-color: var(--success-color) !important;
    background-color: rgba(39, 174, 96, 0.05);
}

/* 错误状态 */
.error-state {
    border-color: var(--error-color) !important;
    background-color: rgba(231, 76, 60, 0.05);
}

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* 动态彩色文本 */
.colorful-text {
    background: linear-gradient(
        45deg,
        #ff6b6b,
        #feca57,
        #48dbfb,
        #1dd1a1,
        #00d2d3,
        #54a0ff,
        #5f27cd,
        #341f97
    );
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
    font-weight: 600;
    padding: 2px 4px;
    border-radius: 3px;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 悬停效果 */
.colorful-text:hover {
    animation-duration: 1.5s;
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* 操作状态提示 */
.operation-status {
    font-size: 0.9rem;
    font-weight: 500;
    margin-left: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    animation: fadeInUp 0.5s ease;
}

.operation-status.success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
}

.operation-status.error {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.operation-status.info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.operation-status.warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}


/* 选中算法显示 */
.selected-algo {
    color: #ff4757;
    font-weight: 600;
    margin-left: 5px;
    font-size: 0.9em;
}

/* 空状态隐藏 */
.selected-algo:empty {
    display: none;
}