:root {
    --primary-color: #2c7be5;
    --primary-dark: #1a5fc1;
    --secondary-color: #6c757d;
    --success-color: #27b345;
    --warning-color: #fd7e14;
    --danger-color: #d92525;
    --light-color: #f8f9fa;
    --dark-color: #333;
    --border-color: #e4e7ed;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo i {
    color: var(--primary-color);
    font-size: 36px;
}

.logo h1 {
    font-size: 32px;
    color: var(--dark-color);
    font-weight: 700;
}

.subtitle {
    color: var(--secondary-color);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.header-actions {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    font-size: 14px;
    text-decoration: none;
}

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

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

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

.btn-success:hover {
    background-color: #1f9c3a;
}

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

.btn-warning:hover {
    background-color: #e56a00;
}

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

.btn-outline:hover {
    background-color: var(--light-color);
    color: var(--dark-color);
}

.config-panel {
    background-color: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.config-header h3 {
    font-size: 20px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.config-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.config-tab {
    padding: 12px 25px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 500;
    color: var(--secondary-color);
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
    white-space: nowrap;
}

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

.config-tab.active {
    color: var(--primary-color);
}

.config-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.config-content {
    display: none;
}

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

.config-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.config-group {
    background-color: #f8fafc;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.config-group h4 {
    font-size: 16px;
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-group h4 i {
    color: var(--primary-color);
}

/* 材料品牌配置容器 */
.material-brands-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.material-brand-item {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr 2fr auto;
    gap: 15px;
    align-items: end;
}

@media (max-width: 1100px) {
    .material-brand-item {
        grid-template-columns: 1fr 1fr auto;
    }
}

@media (max-width: 900px) {
    .material-brand-item {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .material-brand-item {
        grid-template-columns: 1fr;
    }
}

/* 收缩率倍率配置容器 */
.shrinkage-ratios-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.shrinkage-ratio-item {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr 2fr auto;
    gap: 15px;
    align-items: end;
}

/* 修复收缩率参数输入框字体过大问题 */
.shrinkage-ratio-item input[type="number"] {
    font-size: 14px;
    font-family: inherit;
}

@media (max-width: 1100px) {
    .shrinkage-ratio-item {
        grid-template-columns: 1fr 1fr auto;
    }
}

@media (max-width: 900px) {
    .shrinkage-ratio-item {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .shrinkage-ratio-item {
        grid-template-columns: 1fr;
    }
}

/* 修正系数配置布局 */
.shrinkage-factors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.factor-group {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
}

.factor-group h5 {
    font-size: 14px;
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.factor-group h5 i {
    color: var(--primary-color);
    font-size: 16px;
}

.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
    font-size: 14px;
}

.cooling-label {
    font-size: 13px !important;
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background-color: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
}

.form-hint {
    font-size: 12px;
    color: var(--secondary-color);
    margin-top: 5px;
}

.json-editor {
    width: 100%;
    height: 300px;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
    background-color: #f8fafc;
}

.json-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--secondary-color);
    font-size: 14px;
}

.footer-note {
    margin-top: 5px;
    font-size: 13px;
}

.hidden {
    display: none;
}

.status-success {
    color: var(--success-color);
}

.status-warning {
    color: var(--warning-color);
}

.status-error {
    color: var(--danger-color);
}

/* 滚动条样式 */
.material-brands-container::-webkit-scrollbar,
.shrinkage-ratios-container::-webkit-scrollbar {
    width: 8px;
}

.material-brands-container::-webkit-scrollbar-track,
.shrinkage-ratios-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.material-brands-container::-webkit-scrollbar-thumb,
.shrinkage-ratios-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.material-brands-container::-webkit-scrollbar-thumb:hover,
.shrinkage-ratios-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .config-tabs {
        flex-direction: column;
    }
    
    .config-tab {
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }
    
    .config-tab.active::after {
        display: none;
    }
    
    .config-tab.active {
        background-color: var(--primary-color);
        color: white;
        border-radius: 4px;
    }
}