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

:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --success-color: #52c41a;
    --error-color: #ff4d4f;
    --warning-color: #faad14;
    --border-color: #d9d9d9;
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-color: #262626;
    --text-secondary: #8c8c8c;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* 头部 */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-color);
}

.header h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 配置区块 */
.config-section {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.config-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.config-section h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--primary-color);
    margin-right: 10px;
    border-radius: 2px;
}

/* 表单行 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row:last-child {
    margin-bottom: 0;
}

/* 表单组 */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 14px;
}

.form-group input,
.form-group select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.form-group small {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.required {
    color: var(--error-color);
    margin-left: 2px;
}

/* 复选框组 */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: 12px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s;
}

.checkbox-label:hover {
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
}

.checkbox-label span {
    font-weight: 500;
    color: var(--text-color);
}

.checkbox-label small {
    margin-left: 24px;
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 4px;
}

/* 字段容器 */
.fields-container {
    margin-bottom: 15px;
}

.field-item {
    margin-bottom: 12px;
    padding: 15px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s;
}

.field-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.field-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 2fr auto auto;
    gap: 10px;
    align-items: center;
}

.field-col input,
.field-col select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.field-col input:focus,
.field-col select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.field-col-checkbox {
    display: flex;
    align-items: center;
}

.inline-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    white-space: nowrap;
}

.inline-checkbox input {
    margin-right: 6px;
    cursor: pointer;
}

.field-col-action {
    display: flex;
    justify-content: center;
}

/* 按钮 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-remove {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove:hover {
    background: var(--error-color);
    color: white;
    border-color: var(--error-color);
    transform: rotate(90deg);
}

/* 操作按钮区 */
.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--bg-color);
}

.actions .btn {
    min-width: 140px;
}

/* 状态提示 */
.status {
    padding: 15px 20px;
    margin-top: 20px;
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
    animation: slideDown 0.3s ease;
}

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

.status.hidden {
    display: none;
}

.status.success {
    background: #f6ffed;
    border: 1px solid #b7eb8f;
    color: var(--success-color);
}

.status.error {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    color: var(--error-color);
}

.status.loading {
    background: #e6f7ff;
    border: 1px solid #91d5ff;
    color: var(--primary-color);
}

.status.info {
    background: #f0f5ff;
    border: 1px solid #adc6ff;
    color: var(--primary-color);
}

/* 页脚 */
.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer details {
    cursor: pointer;
}

.footer summary {
    font-weight: 500;
    color: var(--primary-color);
    padding: 10px;
    background: var(--bg-color);
    border-radius: 6px;
    user-select: none;
}

.footer summary:hover {
    background: #e6f7ff;
}

.help-content {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 6px;
}

.help-content h3 {
    font-size: 16px;
    margin: 20px 0 10px 0;
    color: var(--text-color);
}

.help-content h3:first-child {
    margin-top: 0;
}

.help-content ul,
.help-content ol {
    margin-left: 20px;
    color: var(--text-secondary);
}

.help-content li {
    margin: 8px 0;
}

.help-content strong {
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .field-row {
        grid-template-columns: 1fr;
    }

    .field-col-action {
        margin-top: 10px;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .actions {
        flex-direction: column;
    }

    .actions .btn {
        width: 100%;
    }
}

/* 加载动画 */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-primary:disabled .btn-text::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* 选项卡样式 */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

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

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 20px 0;
}

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

.tab-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    padding: 10px;
    background: #f5f7fa;
    border-left: 3px solid var(--primary-color);
}

/* Textarea样式 */
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Courier New', Courier, monospace;
    resize: vertical;
    transition: all 0.3s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

/* 行内操作按钮 */
.actions-inline {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.actions-inline .btn {
    min-width: 120px;
}

/* 响应式：选项卡 */
@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
        border-bottom: none;
    }

    .tab-btn {
        border-bottom: 1px solid var(--border-color);
        border-left: 3px solid transparent;
        text-align: left;
        margin-bottom: 0;
    }

    .tab-btn.active {
        border-bottom-color: var(--border-color);
        border-left-color: var(--primary-color);
        background: #f5f7fa;
    }

    .actions-inline {
        flex-direction: column;
    }

    .actions-inline .btn {
        width: 100%;
    }
}

/* 字段工具栏 */
.field-tools {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.field-tools .form-group {
    margin: 0;
}

/* 配置操作按钮组 */
.config-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.config-actions .btn {
    flex: 1;
    min-width: 140px;
}

/* 历史记录列表 */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px 0;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s;
}

.history-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.history-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.history-info strong {
    font-size: 15px;
    color: var(--text-color);
}

.history-info small {
    font-size: 12px;
    color: var(--text-secondary);
}

.history-fields {
    display: inline-block;
    padding: 2px 8px;
    background: #f0f5ff;
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 12px;
    margin-top: 5px;
}

.history-actions {
    display: flex;
    gap: 8px;
}

/* 图标按钮 */
.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

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

.btn-icon:active {
    transform: translateY(0);
}

/* 空状态提示 */
.empty-tip {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    background: white;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
}

/* 响应式：新功能 */
@media (max-width: 768px) {
    .field-tools {
        flex-direction: column;
    }

    .config-actions {
        flex-direction: column;
    }

    .config-actions .btn {
        width: 100%;
    }

    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .history-actions {
        width: 100%;
        justify-content: flex-end;
    }
}