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h4{font-size:1.5rem;color:#2d3748;margin-bottom:10px;font-weight:600;text-align:center}.ingredients-substitutions>p{text-align:center;color:#4a5568;margin-bottom:30px;font-size:1rem}.substitution-categories{display:flex;gap:20px;margin-bottom:30px;flex-wrap:wrap}.substitution-category{background:#fff;border-radius:15px;border:1px solid #e2e8f0;overflow:hidden;transition:all .3s ease;flex:1;min-width:300px}.substitution-category:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0000001a}.category-header{padding:20px;display:flex;align-items:center;gap:12px;color:#fff}.category-icon{width:24px;height:24px;filter:brightness(0) invert(1)}.category-header h5{margin:0;font-size:1.2rem;font-weight:600}.vegetarian-category .category-header{background:linear-gradient(135deg,#22c55e,#16a34a)}.vegetarian-category .substitution-item.has-substitution{background:linear-gradient(135deg,#22c55e0d,#16a34a0d);border-left:4px solid #22c55e}.vegetarian-category 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.5rem;background:linear-gradient(135deg,#ff6b35,#f7931e);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-content p{font-family:Poppins,sans-serif;font-size:1.1rem;color:#666;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.create-post-btn{background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;border:none;border-radius:30px;padding:12px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;font-family:Poppins,sans-serif;flex-shrink:0;width:auto;min-width:160px;white-space:nowrap;justify-content:center}.create-post-btn:hover{transform:translate(2px);box-shadow:0 8px 25px #ff6b3566}.community-tabs{display:flex;gap:1rem;margin-bottom:2rem;background:#fff;padding:1rem;border-radius:15px;box-shadow:0 4px 20px #0000001a}.posts-container{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 4px 20px #0000001a}.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem}.post-card{background:#fff;border:1px solid #e0e0e0;border-radius:16px;overflow:hidden;transition:all .3s ease;box-shadow:0 4px 15px #0000001a}.post-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026}.post-image{width:100%;height:200px;overflow:hidden}.post-content{padding:1.5rem}.post-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.author-info{display:flex;align-items:center;gap:12px}.author-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.author-name{font-family:Poppins,sans-serif;font-size:1rem;font-weight:600;color:#2c3e50;margin:0}.post-date{font-family:Poppins,sans-serif;font-size:.8rem;color:#999}.post-type{font-family:Poppins,sans-serif;font-size:.8rem;font-weight:600;padding:4px 12px;border-radius:20px;background:#f8f9fa;color:#666}.post-title{font-family:Playfair 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h1{font-size:1.8rem}.post-title{font-size:1.1rem}.post-content{padding:1rem}}.user-profile-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);padding:2rem}.profile-container{max-width:1200px;margin:0 auto}.profile-header{background:#fff;border-radius:20px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 20px #0000001a;position:relative}.back-button{position:absolute;top:2rem;left:2rem;background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;border:none;border-radius:25px;padding:10px 20px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Poppins,sans-serif}.profile-info{display:flex;align-items:center;gap:2rem;margin-top:1rem}.profile-avatar{width:120px;height:120px;border-radius:50%;overflow:hidden;border:4px solid #f0f0f0;box-shadow:0 4px 15px #0000001a}.profile-avatar img{width:100%;height:100%;object-fit:cover}.profile-details{flex:1}.profile-name{font-family:Playfair 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#28a74566}.profile-tabs{display:flex;gap:1rem;margin-bottom:2rem;background:#fff;padding:1rem;border-radius:15px;box-shadow:0 4px 20px #0000001a}.tab-btn{background:transparent;border:2px solid #e0e0e0;border-radius:25px;padding:10px 20px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;font-family:Poppins,sans-serif;color:#666}.tab-btn:hover{border-color:#ff6b35;color:#ff6b35}.tab-btn.active{background:linear-gradient(135deg,#ff6b35,#f7931e);border-color:#ff6b35;color:#fff}.profile-content{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 4px 20px #0000001a}.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.post-card{background:#fff;border:1px solid #e0e0e0;border-radius:16px;overflow:hidden;transition:all .3s ease;box-shadow:0 4px 15px #0000001a;cursor:pointer}.post-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #00000026}.post-image{width:100%;height:150px;overflow:hidden}.post-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.post-card:hover .post-image img{transform:scale(1.05)}.post-content{padding:1rem}.post-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.post-type{font-family:Poppins,sans-serif;font-size:.7rem;font-weight:600;padding:3px 8px;border-radius:15px;background:#f8f9fa;color:#666}.post-type.recipe{background:#e8f5e8;color:#28a745}.post-type.story{background:#fff3cd;color:#856404}.post-date{font-family:Poppins,sans-serif;font-size:.7rem;color:#999}.post-title{font-family:Playfair Display,serif;font-size:1.1rem;font-weight:600;color:#2c3e50;margin:0 0 .5rem;line-height:1.4}.post-excerpt{font-family:Poppins,sans-serif;font-size:.8rem;color:#666;line-height:1.5;margin:0 0 .5rem}.post-cuisine{display:inline-block;font-family:Poppins,sans-serif;font-size:.7rem;font-weight:600;padding:3px 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h3{font-family:Playfair Display,serif;font-size:1.5rem;color:#2c3e50;margin:0 0 .5rem}.empty-state p{font-family:Poppins,sans-serif;font-size:1rem;margin:0}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;color:#666}.loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #FF6B35;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.error-container{text-align:center;padding:4rem 2rem;color:#666}.error-container h2{font-family:Playfair Display,serif;font-size:2rem;color:#2c3e50;margin:0 0 2rem}.error-container button{background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;border:none;border-radius:25px;padding:12px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Poppins,sans-serif}.error-container button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ff6b3566}@media (max-width: 768px){.user-profile-page{padding:1rem}.profile-header{padding:1.5rem}.back-button{position:static;margin-bottom:1rem}.profile-info{flex-direction:column;text-align:center;gap:1rem}.profile-name{font-size:2rem}.profile-stats{justify-content:center}.profile-tabs{flex-wrap:wrap}.posts-grid,.users-grid{grid-template-columns:1fr}}@media (max-width: 480px){.profile-name{font-size:1.8rem}.profile-avatar{width:100px;height:100px}.post-content{padding:.75rem}.post-title{font-size:1rem}}.profile-image-upload{width:100%;max-width:600px;margin:0 auto}.upload-container{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 4px 20px #0000001a}.current-image{text-align:center;margin-bottom:2rem;padding-bottom:2rem;border-bottom:2px solid #f0f0f0}.profile-avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;border:4px solid #f0f0f0;box-shadow:0 4px 15px #0000001a;margin-bottom:1rem}.current-label{font-family:Poppins,sans-serif;font-size:.9rem;color:#666;font-weight:500}.upload-area{border:2px dashed #ddd;border-radius:15px;padding:2rem;text-align:center;transition:all .3s ease;background:#fafafa;cursor:pointer;margin-bottom:1.5rem}.upload-area:hover{border-color:#ff6b35;background:#fff5f2}.upload-area.has-file{border-color:#28a745;background:#f8fff9}.upload-prompt i{font-size:3rem;color:#ddd;margin-bottom:1rem;display:block}.upload-prompt h3{font-family:Playfair Display,serif;font-size:1.5rem;color:#2c3e50;margin:0 0 .5rem}.upload-prompt p{font-family:Poppins,sans-serif;font-size:1rem;color:#666;margin:0 0 1.5rem}.select-file-btn{background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;border:none;border-radius:25px;padding:12px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Poppins,sans-serif;margin-bottom:1rem}.select-file-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ff6b3566}.file-requirements{font-family:Poppins,sans-serif;font-size:.8rem;color:#999}.file-requirements p{margin:.25rem 0}.file-preview{display:flex;align-items:center;gap:1rem}.preview-image{width:80px;height:80px;border-radius:10px;object-fit:cover;border:2px solid #e0e0e0}.file-info{text-align:left;flex:1}.file-name{font-family:Poppins,sans-serif;font-size:1rem;font-weight:600;color:#2c3e50;margin:0 0 .25rem;word-break:break-word}.file-size{font-family:Poppins,sans-serif;font-size:.8rem;color:#666;margin:0}.upload-actions{display:flex;gap:1rem;justify-content:center;margin-bottom:1rem}.upload-btn{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;border-radius:25px;padding:12px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;font-family:Poppins,sans-serif}.upload-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.upload-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.clear-btn{background:#6c757d;color:#fff;border:none;border-radius:25px;padding:12px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;font-family:Poppins,sans-serif}.clear-btn:hover:not(:disabled){background:#5a6268;transform:translateY(-2px)}.clear-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.message{padding:1rem;border-radius:10px;font-family:Poppins,sans-serif;font-size:.9rem;display:flex;align-items:center;gap:.5rem;margin-top:1rem}.message.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.message.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.message i{font-size:1.1rem}.spinning{animation:spin 1s linear infinite}@media (max-width: 768px){.upload-container,.upload-area{padding:1.5rem}.upload-prompt 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h1{font-family:Playfair Display,serif;font-size:2.5rem;font-weight:700;color:#2c3e50;margin:0 0 .5rem;background:linear-gradient(135deg,#ff6b35,#f7931e);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header-content p{font-family:Poppins,sans-serif;font-size:1.1rem;color:#666;margin:0}.user-info-section{margin-bottom:2rem}.user-card{display:flex;align-items:center;gap:2rem;background:#fff;padding:2rem;border-radius:20px;box-shadow:0 4px 20px #0000001a}.user-avatar-large{width:100px;height:100px;border-radius:50%;object-fit:cover;border:4px solid #f0f0f0;box-shadow:0 4px 15px #0000001a}.user-details h3{font-family:Playfair Display,serif;font-size:1.8rem;color:#2c3e50;margin:0 0 .5rem}.user-details p{font-family:Poppins,sans-serif;font-size:1rem;color:#666;margin:0 0 .5rem}.user-status{display:inline-block;background:#28a745;color:#fff;padding:4px 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p{font-family:Poppins,sans-serif;font-size:.9rem;color:#666;line-height:1.6;margin:0}.tech-details{margin-bottom:2rem}.tech-details h2{font-family:Playfair Display,serif;font-size:2rem;color:#2c3e50;text-align:center;margin-bottom:2rem}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.tech-item{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 4px 15px #0000001a}.tech-item h4{font-family:Playfair Display,serif;font-size:1.5rem;color:#2c3e50;margin:0 0 1rem;text-align:center}.tech-item ul{list-style:none;padding:0;margin:0}.tech-item li{font-family:Poppins,sans-serif;font-size:.9rem;color:#666;border-bottom:1px solid #f0f0f0;position:relative;padding:.5rem 0 .5rem 1.5rem}.tech-item li:before{content:"✓";position:absolute;left:0;color:#28a745;font-weight:700}.tech-item li:last-child{border-bottom:none}.auth-required{text-align:center;background:#fff;padding:4rem 2rem;border-radius:20px;box-shadow:0 4px 20px 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