frontend/src/pages/AIFoodAnalyzer.css

/* 全局樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* 主體樣式 */
body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.app-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.title {
    color: #333;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #666;
    font-size: 0.9rem;
}

.tab-nav {
    display: flex;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    margin-bottom: 2rem;
    padding: 0.3rem;
}

.tab-btn {
    flex: 1;
    padding: 0.8rem;
    border: none;
    background: transparent;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    color: #666;
}

.tab-btn.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* 個人資料表單 */
.profile-form {
    display: grid;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.input-group input, .input-group select {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: #667eea;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.save-profile-btn {
    background: linear-gradient(45deg, #43cea2, #185a9d);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 15px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s;
}

.save-profile-btn:hover {
    transform: translateY(-2px);
}

/* 食物分析區域 */
.camera-container {
    position: relative;
    margin-bottom: 1.5rem;
    text-align: center;
}

.controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

button {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s;
    font-size: 0.9rem;
}

button:hover {
    transform: translateY(-2px);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.upload-btn {
    background: linear-gradient(45deg, #43cea2, #185a9d);
}

.file-input {
    display: none;
}

.loading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
    text-align: center;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    display: none;
}

.food-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.food-name {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
}

.add-to-diary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.nutrition-item {
    background: white;
    padding: 0.8rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.nutrition-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.3rem;
}

.nutrition-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
}

.daily-recommendation {
    background: linear-gradient(45deg, rgba(255, 107, 107, 0.1), rgba(238, 90, 36, 0.1));
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid #ff6b6b;
    margin-top: 1.5rem;
}

.recommendation-title {
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.recommendation-text {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.4;
}

/* 健康指數樣式 */
.health-indices {
    display: flex;
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.health-index {
    flex: 1;
    background: white;
    padding: 0.8rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.index-label {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.index-meter {
    height: 6px;
    background: #f0f0f0;
    border-radius: 3px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.index-value {
    font-size: 0.8rem;
    font-weight: bold;
    color: #333;
    text-align: right;
}

.food-description {
    background: rgba(102, 126, 234, 0.1);
    padding: 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.benefits-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.benefit-tag {
    background: rgba(67, 206, 162, 0.1);
    color: #43cea2;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
}

.nutrition-section-title {
    color: #333;
    font-size: 1rem;
    margin: 1.5rem 0 0.8rem;
}

.nutrition-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}

.nutrition-section {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 追蹤紀錄專用樣式 */
.tracking-tab {
    padding: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.overview-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.overview-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.overview-label {
    font-size: 0.875rem;
    color: #7f8c8d;
    margin-bottom: 0.25rem;
}

.overview-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.overview-value span {
    font-size: 1rem;
    color: #7f8c8d;
}

/* 進度條樣式 */
.progress-section {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.progress-row {
    margin-bottom: 1rem;
}

.progress-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.progress-bar-bg {
    height: 8px;
    background: #f0f2f5;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-value {
    color: #7f8c8d;
    font-size: 0.875rem;
}

/* 食物記錄 */
.food-diary-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.food-diary-title {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: #2c3e50;
}

.no-diary {
    text-align: center;
    padding: 3rem 1rem;
    color: #7f8c8d;
}

.food-diary-list {
    display: grid;
    gap: 1rem;
}

.food-diary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.food-diary-name {
    font-weight: 600;
    color: #2c3e50;
}

.food-diary-time {
    color: #7f8c8d;
    font-size: 0.875rem;
}

.food-diary-calories {
    font-weight: 600;
    color: #667eea;
}

/* 圖表卡片 */
.week-chart-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.week-chart-title {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: #2c3e50;
}

.week-chart-wrapper {
    height: 200px;
    position: relative;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .app-container {
        max-width: 100%;
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .health-indices {
        flex-direction: column;
    }
    
    .nutrition-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-cards {
        grid-template-columns: 1fr;
    }
    
    .controls {
        flex-direction: column;
        align-items: center;
    }
    
    button {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .app-container {
        padding: 1rem;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .tab-nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tab-btn {
        border-radius: 8px;
    }
}