/* FoodSee 样式文件 */

:root {
    --primary-color: #FFB86B;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 12px;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    min-height: 100vh;
    color: #000000;
}

/* 统一字体颜色为黑色 */
h1, h2, h3, h4, h5, h6, p, span, div, a, li, td, th, label {
    color: #000000 !important;
}

/* 保持某些特殊元素的颜色 */
.text-primary {
    color: var(--primary-color) !important;
}

.text-muted {
    color: #6c757d !important;
}

.text-white {
    color: #ffffff !important;
}

.navbar-brand span {
    color: var(--primary-color) !important;
}

/* 统一按钮样式 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

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

.btn-outline-secondary:hover, .btn-outline-secondary:focus, .btn-outline-secondary:active {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.container {
    position: relative;
    z-index: 1;
}

/* 导航栏样式 */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    z-index: 1030;
}

/* 下拉菜单样式 */
.dropdown-menu {
    z-index: 1050 !important;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.dropdown-toggle {
    z-index: 1040;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-container {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--primary-color), #E6A055);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.logo-container i {
    color: white !important;
}

/* 主Logo样式 */
.logo-main {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--primary-color), #E6A055);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 3rem;
    color: white;
    box-shadow: var(--box-shadow-lg);
    animation: pulse 2s infinite;
}

.logo-main i {
    color: white !important;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 184, 107, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(255, 184, 107, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 184, 107, 0);
    }
}

/* 卡片样式 */
.card {
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

/* 上传区域样式 */
.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #ffffff;
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: #ffffff;
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    opacity: 0.7;
}

.upload-buttons .btn {
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.upload-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.upload-buttons .btn:focus {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(255, 184, 107, 0.25);
}

/* 预览图片样式 */
.preview-container {
    text-align: center;
}

#previewImage {
    max-height: 400px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

#previewImage:hover {
    transform: scale(1.02);
    box-shadow: var(--box-shadow-lg);
}

.preview-actions {
    margin-top: 1rem;
}

.preview-actions .btn {
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.preview-actions .btn-success {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.preview-actions .btn-success:hover {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.preview-actions .btn-secondary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.preview-actions .btn-secondary:hover {
    background-color: white !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

/* 进度条样式 */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(45deg, var(--primary-color), #E6A055);
    transition: width 0.3s ease;
}

/* 结果区域样式 */
.result-item {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 0 auto 1rem auto;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    max-width: 800px;
    width: 100%;
}

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

.food-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.nutrition-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.nutrition-item {
    text-align: center;
    padding: 0.75rem;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nutrition-item:hover {
    background: rgba(0, 123, 255, 0.2);
    transform: scale(1.05);
}

.nutrition-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nutrition-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.confidence-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
    background: linear-gradient(45deg, var(--success-color), #1e7e34);
    color: white;
}

.food-tags {
    margin-top: 0.75rem;
}

.food-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem 0.25rem 0 0;
    background: linear-gradient(45deg, var(--info-color), #117a8b);
    color: white;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 总结区域样式 */
.summary-section {
    background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem auto 0 auto;
    border-left: 4px solid var(--success-color);
    max-width: 800px;
    width: 100%;
}

.total-calories {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success-color);
    text-align: center;
    margin-bottom: 1rem;
}

.recommendations {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    line-height: 1.6;
}

/* Markdown 样式美化 */
.recommendations h1,
.recommendations h2,
.recommendations h3,
.recommendations h4,
.recommendations h5,
.recommendations h6 {
    color: var(--primary-color) !important;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.recommendations h1 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.recommendations h2 {
    font-size: 1.3rem;
}

.recommendations h3 {
    font-size: 1.1rem;
}

.recommendations p {
    margin-bottom: 1rem;
    text-align: justify;
}

.recommendations ul,
.recommendations ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.recommendations li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.recommendations strong {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.recommendations em {
    color: var(--secondary-color) !important;
    font-style: italic;
}

.recommendations code {
    background-color: #f8f9fa;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--dark-color) !important;
}

.recommendations blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    background-color: #f8f9fa;
    border-radius: 0 4px 4px 0;
    font-style: italic;
}

.recommendations hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 1.5rem 0;
}

/* 加载动画 */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Toast 样式 */
.toast {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

/* 页脚样式 */
footer {
    background: rgba(248, 249, 250, 0.95) !important;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logo-main {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
    
    .upload-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .nutrition-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preview-actions .btn {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .nutrition-info {
        grid-template-columns: 1fr;
    }
    
    .total-calories {
        font-size: 1.5rem;
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, var(--primary-color), #E6A055);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #E6A055, var(--primary-color));
}