:root{--primary-color: #e67e22;--secondary-color: #f39c12;--text-color: #4a4a4a;--bg-color: #fff5e6;--container-bg: #ffffff;--shadow-color: rgba(230, 126, 34, .2);--success-color: #27ae60;--error-color: #e74c3c;--warning-color: #f39c12;--expired-color: #c0392b}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Microsoft YaHei,微软雅黑,sans-serif;max-width:100%;margin:0 auto;padding:0;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;overflow-x:hidden;text-align:center;-webkit-tap-highlight-color:transparent}h1,h2,h3{color:var(--primary-color);margin-bottom:20px}h1{font-size:1.8rem}.container{background-color:var(--container-bg);border-radius:12px;padding:20px;box-shadow:0 4px 15px var(--shadow-color);max-width:500px;margin:20px auto;width:100%;min-height:calc(100vh - 40px);display:flex;flex-direction:column;transition:transform .3s ease}.container.shake{animation:shake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(2px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}.add-food-btn{position:fixed;bottom:30px;right:30px;width:65px;height:65px;background-color:var(--primary-color);border-radius:50%;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 10px #0003;z-index:100;cursor:pointer;transition:all .3s ease;border:none;outline:none}.add-food-btn:hover{transform:scale(1.1);background-color:var(--secondary-color)}.add-food-btn:active{transform:scale(.95)}.add-food-btn span{font-size:40px;color:#fff;line-height:1;margin-top:-2px;transition:transform .2s ease}.add-food-btn:active span{transform:scale(.9)}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000c;z-index:1000;overflow:auto;opacity:0;transition:opacity .3s ease}.modal.show{opacity:1}.modal-content{background-color:var(--container-bg);margin:10% auto;padding:20px;border-radius:12px;width:90%;max-width:500px;position:relative;box-shadow:0 5px 15px #0000004d;transform:translateY(-50px);opacity:0;transition:all .4s cubic-bezier(.175,.885,.32,1.275);text-align:center}.modal.show .modal-content{transform:translateY(0);opacity:1}.close-modal{position:absolute;right:15px;top:10px;font-size:28px;font-weight:700;color:#aaa;cursor:pointer;transition:color .2s ease;background:none;border:none}.close-modal:hover{color:var(--primary-color);transform:rotate(90deg)}.modal-title{color:var(--primary-color);margin-bottom:20px}.photo-options{display:flex;flex-direction:column;gap:15px}.option-btn{background-color:var(--primary-color);color:#fff;border:none;padding:15px;border-radius:8px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .3s;box-shadow:0 2px 5px #0000001a}.option-btn:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.option-btn:active{transform:translateY(0);box-shadow:0 2px 3px #0000001a}.option-btn i{font-size:20px}.photo-tips{margin-top:20px;padding:10px;background-color:#fff8e1;border-left:4px solid #ffc107;font-size:14px;line-height:1.5;text-align:left;border-radius:0 4px 4px 0;animation:fadeIn .5s ease-out}.form-group{margin-bottom:20px;animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}label{display:block;margin-bottom:8px;font-weight:700;color:var(--primary-color);text-align:left}input[type=text],input[type=file]{width:100%;padding:12px;border:1px solid #f0d2b3;border-radius:8px;background-color:#fffaf0;transition:border-color .3s,box-shadow .3s}input[type=text]:focus,input[type=file]:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #e67e2233;outline:none}.btn{background-color:var(--primary-color);color:#fff;border:none;padding:12px 20px;border-radius:8px;cursor:pointer;font-size:16px;transition:all .3s;width:100%;font-weight:700;box-shadow:0 2px 5px #0000001a}.btn:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.btn:active{transform:translateY(0);box-shadow:0 2px 3px #0000001a}.btn-inline{width:auto;padding:8px 15px;font-size:14px;margin:0 5px}.btn:disabled{background-color:#d5d5d5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-secondary{background-color:#95a5a6}.btn-secondary:hover{background-color:#7f8c8d}.btn-danger{background-color:var(--error-color)}.btn-danger:hover{background-color:#c0392b}.loader{border:5px solid #f8e2c9;border-top:5px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto;display:none}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:var(--error-color);margin-top:15px;font-weight:700;animation:shakeX .5s ease}.success{color:var(--success-color);margin-top:15px;font-weight:700;animation:bounceIn .5s ease}@keyframes shakeX{0%,to{transform:translate(0)}20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}@keyframes bounceIn{0%{transform:scale(.8);opacity:0}50%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}.fridge-container{flex:1;overflow:hidden;display:flex;flex-direction:column}.fridge-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;animation:fadeIn .5s ease-out}.fridge-title{color:var(--primary-color);margin:0;font-size:1.5rem}.fridge-items{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;padding-bottom:10px}.fridge-item{background:#fff;border-radius:10px;box-shadow:0 3px 10px var(--shadow-color);overflow:hidden;transition:all .3s cubic-bezier(.25,.8,.25,1);animation:fadeInUp .5s ease-out;cursor:pointer;position:relative;display:flex;flex-direction:column}.fridge-item:hover{transform:translateY(-5px);box-shadow:0 5px 15px var(--shadow-color)}.fridge-item:active{transform:translateY(0)}.fridge-item.selected{animation:pulse .5s ease;box-shadow:0 0 0 3px var(--primary-color)}@keyframes pulse{0%{box-shadow:0 0 #e67e2266}70%{box-shadow:0 0 0 10px #e67e2200}to{box-shadow:0 0 #e67e2200}}.fridge-item-img{width:100%;height:100px;object-fit:cover;transition:transform .3s ease}.fridge-item:hover .fridge-item-img{transform:scale(1.05)}.fridge-item-info{padding:10px;flex-grow:1;display:flex;flex-direction:column;justify-content:space-between}.fridge-item-name{margin:0 0 5px;font-weight:700;color:var(--text-color);display:flex;align-items:center;justify-content:space-between}.fridge-item-date{font-size:.8rem;color:#888;margin:0}.fridge-item-actions{display:flex;margin-top:10px}.fridge-item-remove{background:var(--error-color);color:#fff;border:none;width:100%;padding:8px;cursor:pointer;transition:all .3s;border-radius:4px;font-size:14px}.fridge-item-remove:hover{background:#c0392b;transform:translateY(-2px)}.fridge-item-remove:active{transform:translateY(0)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.multi-upload-container{margin-top:20px;padding:15px;border:1px dashed var(--primary-color);border-radius:8px;animation:fadeIn .5s ease-out}#multiImagePreview{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px;justify-content:center}.preview-item{position:relative;width:120px;height:120px;margin-bottom:15px;animation:scaleIn .3s ease-out;border-radius:8px;overflow:hidden;box-shadow:0 2px 5px #0000001a;transition:transform .3s}.preview-item:hover{transform:scale(1.05)}.preview-item img{width:100%;height:100%;object-fit:cover}.preview-remove{position:absolute;top:-8px;right:-8px;background:var(--error-color);color:#fff;border:none;width:24px;height:24px;border-radius:50%;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all .2s}.preview-remove:hover{transform:scale(1.1)}@keyframes scaleIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.empty-fridge-message{color:#888;padding:40px 0;width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;grid-column:1 / -1;animation:fadeIn .5s ease-out}.empty-fridge-icon{font-size:50px;margin-bottom:15px;color:#f0d2b3;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-20px)}60%{transform:translateY(-10px)}}.skeleton-name{height:20px;background:linear-gradient(90deg,#e67e2233,#f39c1280,#e67e2233);background-size:200% 100%;animation:shimmer 1.5s infinite linear;border-radius:4px;margin-bottom:5px;opacity:.8;width:100%}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.bottom-actions{margin-top:20px;padding:15px 0;display:flex;justify-content:center;gap:10px;animation:fadeIn .5s ease-out}.edit-name-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;padding:2px 5px;font-size:14px;opacity:.7;transition:all .3s}.edit-name-btn:hover{opacity:1;transform:scale(1.1)}.edit-name-input{width:100%;padding:4px 8px;border:1px solid var(--primary-color);border-radius:4px;font-size:14px;margin-bottom:5px;transition:all .3s}.edit-name-input:focus{outline:none;box-shadow:0 0 0 2px #e67e2233}.slide-up-panel{display:none;position:fixed;bottom:-100%;left:0;width:100%;max-height:80vh;background-color:var(--container-bg);box-shadow:0 -4px 15px var(--shadow-color);border-radius:12px 12px 0 0;padding:20px;box-sizing:border-box;transition:bottom .3s cubic-bezier(.25,.8,.25,1);z-index:1000;overflow-y:auto;text-align:center}.slide-up-panel.show{bottom:0}.recipe-content{text-align:left;animation:fadeIn .5s ease-out}.recipe-content h1{font-size:1.5rem;color:var(--primary-color);margin-bottom:15px;border-bottom:2px solid var(--primary-color);padding-bottom:5px;display:inline-block}.recipe-content h2{font-size:1.2rem;color:var(--primary-color);margin:15px 0 10px}.recipe-content ul,.recipe-content ol{padding-left:20px;margin:10px 0}.recipe-content li{margin-bottom:8px;transition:all .3s}.recipe-content li:hover{transform:translate(5px)}.recipe-content p{margin:10px 0;line-height:1.6}.recipe-content strong{font-weight:700;color:var(--primary-color)}.favorite-btn{background:none;border:none;font-size:24px;cursor:pointer;margin-top:20px;color:#aaa;transition:all .3s}.favorite-btn:hover{transform:scale(1.2)}.favorite-btn.favorited{color:#f1c40f;animation:heartBeat .5s}@keyframes heartBeat{0%{transform:scale(1)}14%{transform:scale(1.3)}28%{transform:scale(1)}42%{transform:scale(1.3)}70%{transform:scale(1)}}.favorites-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;margin-top:20px}.favorite-item{background:#fff;border-radius:10px;box-shadow:0 3px 10px var(--shadow-color);overflow:hidden;transition:all .3s cubic-bezier(.25,.8,.25,1);cursor:pointer;padding:15px;display:flex;align-items:center;justify-content:center;min-height:80px}.favorite-item:hover{transform:translateY(-5px);box-shadow:0 5px 15px var(--shadow-color)}.favorite-item-info{padding:10px;width:100%}.favorite-item-name{margin:0;font-weight:700;color:var(--text-color);word-break:break-word}.recipe-detail-page{z-index:1001}.show-favorites-btn{background:none;border:none;color:var(--primary-color);font-size:16px;cursor:pointer;padding:5px 10px;border-radius:4px;transition:all .3s}.show-favorites-btn:hover{color:var(--secondary-color);background-color:#e67e221a;transform:translateY(-2px)}#toast-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:2000;display:flex;flex-direction:column;gap:10px;align-items:center;width:90%;max-width:400px}.toast{background:#333;color:#fff;padding:12px 16px;border-radius:8px;box-shadow:0 4px 12px #00000026;opacity:0;transform:translateY(-20px);transition:all .3s cubic-bezier(.215,.61,.355,1);display:flex;align-items:center;justify-content:space-between;width:100%;pointer-events:none}.toast.show{opacity:1;transform:translateY(0);pointer-events:auto}.toast.error{background:var(--error-color)}.toast.success{background:var(--success-color)}.toast.warning{background:var(--warning-color)}.toast.info{background:#1890ff}.toast-message{flex-grow:1}.toast-buttons{display:flex;gap:10px;margin-left:15px}.toast-button{background:#fff3;border:none;color:#fff;padding:5px 10px;border-radius:4px;cursor:pointer;font-weight:700;transition:background .2s}.toast-button:hover{background:#fff6}.recipe-options-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;z-index:1050;opacity:0;transition:opacity .3s ease}.recipe-options-overlay.show{display:block;opacity:1}#recipeOptionsPanel{z-index:1051;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:30px;gap:15px}.recipe-requirements-input{width:90%;max-width:400px;height:150px;padding:12px;border:1px solid #f0d2b3;border-radius:8px;background-color:#fffaf0;transition:border-color .3s,box-shadow .3s;font-size:16px;resize:none;font-family:inherit}.recipe-requirements-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #e67e2233;outline:none}.recipe-or-text{color:#888;margin:5px 0;transition:opacity .3s,height .3s,margin .3s,padding .3s}.recipe-or-text.hidden{opacity:0;height:0;margin:0;padding:0;overflow:hidden}#generateRecipeWithOptionsBtn{width:90%;max-width:400px}.fridge-item-expiry{font-size:.8rem;font-weight:700;margin-top:8px;padding:2px 6px;border-radius:4px;color:#fff;text-align:center}.fridge-item-expiry.expiring-soon{background-color:var(--warning-color)}.fridge-item-expiry.expired{background-color:var(--expired-color)}.fridge-item-expiry.fresh{background-color:#bdc3c7}.expiry-control{display:flex;justify-content:space-between;align-items:center;margin-top:5px}.edit-expiry-btn{background:none;border:none;cursor:pointer;font-size:18px;opacity:.7;transition:all .3s}.edit-expiry-btn:hover{opacity:1;transform:scale(1.2)}#expiryAlertBanner{background-color:#fff8e1;border:1px solid var(--warning-color);color:var(--text-color);padding:12px;border-radius:8px;margin-bottom:15px;animation:fadeIn .5s;text-align:left;font-size:14px}#expiryAlertBanner p{margin:0 0 10px}#expiryAlertBanner .btn-inline{margin-right:5px}.expiry-editor{display:flex;justify-content:center;align-items:center;gap:15px;margin:20px 0}.expiry-adjust-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--primary-color);background-color:#fff;color:var(--primary-color);font-size:24px;font-weight:700;cursor:pointer;transition:all .2s}.expiry-adjust-btn:hover{background-color:var(--primary-color);color:#fff}.expiry-days-input{width:80px;height:50px;text-align:center;font-size:20px;font-weight:700;border:1px solid #ccc;border-radius:8px;-moz-appearance:textfield}.expiry-days-input::-webkit-outer-spin-button,.expiry-days-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.modal-actions{display:flex;gap:10px;margin-top:20px}#recipeSuggestionContainer{font-size:14px;padding:10px;background-color:#e8f4fd;border-left:4px solid #1890ff;border-radius:4px;text-align:left}#recipeSuggestionContainer button{background:#1890ff;color:#fff;border:none;padding:5px 10px;border-radius:4px;margin-left:10px;cursor:pointer}@media (max-width: 480px){.container{margin:10px auto;padding:15px;min-height:calc(100vh - 20px)}.fridge-items{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.modal-content{width:95%;margin:20% auto}.add-food-btn{width:55px;height:55px;bottom:20px;right:20px}.add-food-btn span{font-size:32px}}