/* 主要样式文件 - Remove.bg 风格的现代简洁设计 */

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #666;
    --accent-color: #007bff;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --border-color: #e5e5e5;
    --light-bg: #fafafa;
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-light: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.12);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.2s ease;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--primary-color);
    background-color: #fff;
    line-height: 1.6;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    background-color: #fff !important;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
    font-size: 1.25rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--accent-color) !important;
}

.navbar-nav .nav-link {
    color: var(--secondary-color) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--accent-color) !important;
    background-color: #f8f9fa;
}

/* 按钮样式 */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
    padding: 0.75rem 1.5rem;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background-color: #0056b3;
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

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

.btn-success:hover {
    background-color: #218838;
    box-shadow: 0 4px 12px rgba(40,167,69,0.3);
}

.btn-light {
    background-color: #fff;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.btn-light:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* 卡片样式 */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    background: white;
}

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

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
    font-weight: 600;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* 表单控件 */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

/* 透明度滑块样式 */
.form-range {
    width: 100%;
    height: 1.5rem;
    padding: 0;
    background-color: transparent;
    appearance: none;
}

.form-range:focus {
    outline: 0;
}

.form-range:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 1px #fff, 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-range:focus::-moz-range-thumb {
    box-shadow: 0 0 0 1px #fff, 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-range::-webkit-slider-thumb {
    width: 1rem;
    height: 1rem;
    margin-top: -0.25rem;
    background-color: #0d6efd;
    border: 0;
    border-radius: 1rem;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    appearance: none;
}

.form-range::-webkit-slider-thumb:active {
    background-color: #b6d4fe;
}

.form-range::-webkit-slider-runnable-track {
    width: 100%;
    height: 0.5rem;
    color: transparent;
    cursor: pointer;
    background-color: #dee2e6;
    border-color: transparent;
    border-radius: 1rem;
}

.form-range::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    background-color: #0d6efd;
    border: 0;
    border-radius: 1rem;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    appearance: none;
}

.form-range::-moz-range-thumb:active {
    background-color: #b6d4fe;
}

.form-range::-moz-range-track {
    width: 100%;
    height: 0.5rem;
    color: transparent;
    cursor: pointer;
    background-color: #dee2e6;
    border-color: transparent;
    border-radius: 1rem;
}

/* 图像叠加层样式 */
.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.segmentation-image-container {
    display: inline-block;
    position: relative;
    max-width: 100%;
}

.segmentation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    pointer-events: none; /* Allow clicks to pass through to the background image */
    z-index: 10; /* Ensure overlay is above background */
    opacity: 0.5; /* Default opacity */
}

/* 表格样式 */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    border-top: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 1rem 0.75rem;
}

.table td {
    font-size: 0.9rem;
    vertical-align: middle;
    padding: 0.75rem;
    border-bottom: 1px solid #f8f9fa;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fa;
}

/* 导航标签 */
.nav-pills .nav-link {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    color: var(--secondary-color);
}

.nav-pills .nav-link.active {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

/* 徽章 */
.badge {
    font-weight: 500;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

/* 警告框 */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-light);
    padding: 1rem 1.25rem;
}

/* 下拉菜单 */
.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--accent-color);
}

/* 加载动画 */
.spinner-border {
    animation: spinner-border 0.75s linear infinite;
}

/* 工具类 */
.text-primary {
    color: var(--accent-color) !important;
}

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

.bg-light {
    background-color: var(--light-bg) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-light) !important;
}

.shadow {
    box-shadow: var(--shadow-medium) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-heavy) !important;
}

.rounded-lg {
    border-radius: var(--border-radius-lg) !important;
}

.border-light {
    border-color: var(--border-color) !important;
}

/* 统计摘要区域样式修复 */
.stats-summary-container {
    min-height: 250px;
    display: flex;
    flex-direction: column;
}

.size-distribution-container {
    min-height: 250px;
    display: flex;
    flex-direction: column;
}

.stats-item {
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.stats-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.size-distribution-item {
    margin-bottom: 1rem;
}

.size-distribution-item:last-child {
    margin-bottom: 0;
}

/* 动画类 */
.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }

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

.hover-lift {
    transition: var(--transition);
}

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

/* 响应式工具 */
@media (max-width: 768px) {
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 576px) {
    .btn {
        font-size: 0.9rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.8rem;
    }
}

/* 特殊效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gradient-text {
    background: var(--gradient-bg);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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

/* 晶粒统计和晶界统计并排显示样式 */
.stats-comparison-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.stats-comparison-header i {
    font-size: 0.9rem;
}

.stats-section {
    margin-bottom: 1.5rem;
}

.stats-section:last-child {
    margin-bottom: 0;
}

.stats-section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
}

.stats-section-title i {
    margin-right: 0.5rem;
}