/* 主题颜色变量 */
:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --primary-light: #bbdefb;
    --secondary-color: #ff6e40;
    --secondary-dark: #ff3d00;
    --success-color: #43a047;
    --warning-color: #ffb300;
    --danger-color: #e53935;
    --info-color: #00acc1;
    --light-gray: #f5f7fa;
    --dark-gray: #202124;
    --mid-gray: #5f6368;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --transition-speed: 0.3s;
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: var(--light-gray);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-speed);
    padding: 0.8rem 1rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-speed);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .nav-link.active {
    color: #fff;
    border-bottom: 2px solid #fff;
}

/* 头部样式 */
.header-container {
    position: relative;
}

.header-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: all var(--transition-speed);
}

.card:hover {
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
}

.card-header {
    border-bottom: none;
    padding: 1.2rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

/* 表单样式 */
.form-label {
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(30, 136, 229, 0.25);
}

/* 用户信息区域 */
.avatar-placeholder {
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

/* 文件上传区 */
.file-upload-container {
    background-color: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.file-upload-container:hover {
    border-color: var(--primary-color);
    background-color: #f1f8fe;
}

.upload-icon {
    color: var(--mid-gray);
}

.device-buttons .btn {
    padding: 0.375rem 0.75rem;
    margin-bottom: 0.5rem;
}

/* 选项卡样式 */
.nav-tabs {
    border-bottom: none;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--mid-gray);
    padding: 0.75rem 1rem;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.nav-tabs .nav-link:hover {
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    background-color: transparent;
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    box-shadow: 0 2px 5px rgba(30, 136, 229, 0.3);
    transition: all var(--transition-speed);
    font-weight: 500;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(30, 136, 229, 0.4);
}

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

.btn-outline-secondary {
    border-color: #ced4da;
    color: var(--mid-gray);
}

.btn-outline-secondary:hover {
    background-color: #f1f3f5;
    color: #212529;
    border-color: #adb5bd;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 结果内容样式 */
.score-circle {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #f5f7fa, #f0f4f8);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 3px solid var(--primary-color);
}

.score-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.score-label {
    font-size: 0.875rem;
    color: var(--mid-gray);
    margin-top: 0.25rem;
}

.progress {
    height: 8px;
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
}

/* 标签样式 */
.style-tags .badge {
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: 50px;
}

/* 指标项样式 */
.key-metrics {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
}

.key-metrics h6 {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.metric-item {
    font-size: 0.9rem;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

/* 图表容器 */
.chart-container {
    height: 100%;
    min-height: 250px;
    position: relative;
}

/* 改进建议样式 */
.priority-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-high {
    background-color: #ffebee;
    color: var(--danger-color);
}

.priority-medium {
    background-color: #fff8e1;
    color: var(--warning-color);
}

.priority-low {
    background-color: #e8f5e9;
    color: var(--success-color);
}

.recommendation {
    border-left: 3px solid var(--primary-color);
}

.recommendation ul {
    padding-left: 1.2rem;
}

.recommendation li {
    margin-bottom: 0.5rem;
}

/* 赛道地图样式 */
.track-map-container {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 1rem;
}

.map-legend {
    font-size: 0.875rem;
}

.legend-item {
    display: flex;
    align-items: center;
}

.legend-color {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 2px;
    margin-right: 5px;
}

/* 分段表现表格 */
.table th {
    font-weight: 600;
    color: var(--dark-gray);
}

.table td {
    vertical-align: middle;
}

/* 页脚样式 */
.footer {
    margin-top: 2rem;
    background-color: var(--dark-gray);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .navbar-dark .navbar-nav .nav-link {
        border-bottom: none;
    }
    
    .navbar-dark .navbar-nav .nav-link.active {
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 4px;
        border-bottom: none;
    }
    
    .score-circle {
        width: 100px;
        height: 100px;
    }
    
    .score-value {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .card-body {
        padding: 1.2rem;
    }
    
    .nav-tabs .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .key-metrics {
        margin-bottom: 1.5rem;
    }
}