@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #ffffff;--bg-secondary: rgba(255, 255, 255, .95);--bg-tertiary: rgba(255, 255, 255, .1);--bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--text-primary: #2d3748;--text-secondary: #4a5568;--text-muted: #718096;--text-placeholder: #a0aec0;--border-primary: #e2e8f0;--border-secondary: rgba(255, 255, 255, .2);--shadow-light: rgba(0, 0, 0, .1);--shadow-medium: rgba(0, 0, 0, .15);--shadow-heavy: rgba(0, 0, 0, .2);--card-bg: rgba(255, 255, 255, .95);--card-hover: rgba(255, 255, 255, .9);--backdrop-blur: blur(20px)}.dark-theme{--bg-primary: #1a202c;--bg-secondary: rgba(45, 55, 72, .95);--bg-tertiary: rgba(45, 55, 72, .3);--bg-gradient: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);--text-primary: #f7fafc;--text-secondary: #e2e8f0;--text-muted: #a0aec0;--text-placeholder: #718096;--border-primary: #4a5568;--border-secondary: rgba(160, 174, 192, .2);--shadow-light: rgba(0, 0, 0, .3);--shadow-medium: rgba(0, 0, 0, .4);--shadow-heavy: rgba(0, 0, 0, .6);--card-bg: rgba(45, 55, 72, .95);--card-hover: rgba(74, 85, 104, .9);--backdrop-blur: blur(20px)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;display:flex;flex-direction:column}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}.app-wrapper{display:flex;flex-direction:column;min-height:100vh;background:var(--bg-tertiary);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);transition:background-color .3s ease;width:100%;overflow-x:hidden}.app-header{text-align:center;padding:2rem 1rem 1rem;background:var(--bg-tertiary);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border-bottom:1px solid var(--border-secondary);box-shadow:0 4px 30px var(--shadow-light);position:relative;transition:background-color .3s ease,border-color .3s ease}.app-header img{max-width:280px;height:auto;filter:drop-shadow(0 4px 20px rgba(0,0,0,.3));transition:transform .2s ease,filter .2s ease}.app-header img:hover{transform:scale(1.02);filter:drop-shadow(0 6px 25px rgba(0,0,0,.4))}.app-header img:active{transform:scale(.98)}.header-icon-left{position:absolute;top:1rem;left:1rem;width:60px;height:60px;cursor:pointer;transition:transform .2s ease,opacity .2s ease;z-index:1000;object-fit:contain}.header-icon-left:hover{transform:scale(1.1);opacity:.8}.header-icon-left:active{transform:scale(.95)}.header-controls{position:absolute;top:2rem;right:2rem;display:flex;flex-direction:column;align-items:flex-end;gap:.75rem;z-index:1000}.theme-toggle{background:none;border:none;padding:0;cursor:pointer;transition:transform .2s ease;box-shadow:none!important;filter:none!important}.theme-toggle:hover{transform:scale(1.05)}.theme-toggle:focus-visible{outline:2px solid var(--text-primary);outline-offset:4px;border-radius:20px}.theme-toggle-track{width:50px;height:26px;background:var(--border-primary);border-radius:13px;padding:2px;display:flex;align-items:center;transition:background-color .3s ease;box-shadow:none!important;filter:none!important}.dark-theme .theme-toggle-track{background:var(--text-secondary)}.theme-toggle-thumb{width:22px;height:22px;background:var(--bg-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background-color .3s ease;color:var(--text-secondary);box-shadow:none!important;filter:none!important}.dark-theme .theme-toggle-thumb{transform:translate(24px);background:var(--text-primary);color:var(--bg-primary)}.container{flex:1;display:grid;grid-template-columns:1fr 400px;gap:2rem;max-width:1400px;margin:0 auto;padding:2rem;position:relative}.left-panel{display:flex;flex-direction:column;gap:2rem}.right-panel{position:sticky;top:2rem;height:fit-content;max-height:calc(100vh - 4rem);overflow-y:auto}@media (max-width: 1024px){.container{grid-template-columns:1fr;gap:1.5rem;padding:1rem;max-width:100%;width:100%}.header-controls{top:1rem;right:1rem;gap:.5rem}.header-controls .login-button,.header-controls .logout-button{padding:.75rem 1.5rem;font-size:.85rem}.right-panel{position:static;max-height:none;order:-1;width:100%}.shopping-list-container{width:100%}.shopping-item{width:100%;min-width:0}}.card{background:var(--card-bg);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border-radius:20px;padding:2rem;box-shadow:0 8px 32px var(--shadow-light);border:1px solid var(--border-secondary);transition:all .3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 12px 48px var(--shadow-medium);background:var(--card-hover)}.card-compact{padding:1.5rem}h1{font-size:1.75rem;font-weight:600;margin:0 0 1.5rem;color:var(--text-primary);text-align:left;background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:color .3s ease}.section-title{font-size:1.5rem;font-weight:600;margin:0 0 1rem;color:var(--text-primary);transition:color .3s ease}.footer{background:var(--bg-tertiary);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);color:var(--text-primary);text-align:center;padding:1.5rem 0;margin-top:auto;border-top:1px solid var(--border-secondary);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.footer p{margin:0;font-size:.9rem;font-weight:500}.form-container{display:flex;flex-direction:column;gap:1rem}.form-row{display:flex;gap:1rem;align-items:flex-end}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.9rem;transition:color .3s ease}input[type=text],input[type=password]{width:100%;padding:.75rem 1rem;border:2px solid var(--border-primary);border-radius:12px;font-size:1rem;background-color:var(--bg-primary);color:var(--text-primary);transition:all .2s ease;box-shadow:0 2px 4px var(--shadow-light)}input[type=text]:focus,input[type=password]:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.search-container{margin-bottom:1.5rem}.search-input{width:100%;padding:1rem 1.25rem;border:2px solid #e2e8f0;border-radius:50px;font-size:1rem;background-color:#fff;color:#2d3748;transition:all .2s ease;box-shadow:0 2px 8px #0000000d}.search-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.search-input::placeholder{color:var(--text-placeholder)}button{border:none;padding:.75rem 1.5rem;border-radius:12px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;box-shadow:0 2px 8px #0000001a}button:hover{transform:translateY(-1px);box-shadow:0 4px 16px #00000026}button:active{transform:translateY(0)}button svg{width:18px;height:18px}.button-group{display:flex;gap:.75rem;flex-wrap:wrap}.icon-button{padding:.75rem;min-width:44px;border-radius:12px}button.save{background:linear-gradient(135deg,#4facfe,#00f2fe)}button.save:hover{background:linear-gradient(135deg,#3b8bfe,#00d4fe)}button.cancel{background:linear-gradient(135deg,#a8a8a8,#8c8c8c)}button.cancel:hover{background:linear-gradient(135deg,#969696,#7a7a7a)}button.cancel-button{background:linear-gradient(135deg,#ff6b6b,#ee5a52);width:100%;margin-top:1rem}button.cancel-button:hover{background:linear-gradient(135deg,#ff5252,#e53935)}button.delete{background:linear-gradient(135deg,#ff6b6b,#ee5a52)}button.delete:hover{background:linear-gradient(135deg,#ff5252,#e53935)}button.add-to-cart{background:linear-gradient(135deg,#51cf66,#40c057)}button.add-to-cart:hover{background:linear-gradient(135deg,#40c057,#37b24d)}button.edit{background:linear-gradient(135deg,#ffd43b,#fab005)}button.edit:hover{background:linear-gradient(135deg,#fab005,#f59f00)}button.login-button,button.logout-button{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50px;padding:1rem 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itemCardSuccess{0%{background:var(--card-bg);border-color:var(--border-secondary)}25%{background:#51cf661a;border-color:#51cf6699;transform:scale(1.02)}50%{background:#51cf660d;border-color:#51cf6666}to{background:var(--card-bg);border-color:#51cf6699;transform:scale(1)}}.item-info{flex:1;display:flex;flex-direction:column;gap:.25rem}.item-name-container{display:flex;align-items:center;gap:.5rem}.item-name{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:0;transition:color .3s ease}.in-cart-badge{font-size:.9rem;background:#ffd43b33;border:1px solid rgba(255,212,59,.4);border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;animation:badgePulse 2s infinite;cursor:help}@keyframes badgePulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}}.item-id{font-size:.85rem;color:var(--text-muted);margin:0;transition:color .3s ease}.item-actions{display:flex;gap:.5rem;align-items:center}.editing-input{padding:.5rem .75rem;border:2px solid #667eea;border-radius:8px;font-size:1rem;background-color:#fff;color:#2d3748;width:200px}.shopping-item{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:1rem 1.25rem;box-shadow:0 2px 12px var(--shadow-light);border:1px solid var(--border-secondary);display:flex;justify-content:space-between;align-items:center;transition:all .2s ease;width:100%;box-sizing:border-box}.shopping-item:hover{transform:translate(4px);box-shadow:0 4px 20px var(--shadow-light)}.shopping-item-name{font-weight:500;color:var(--text-primary);transition:color .3s ease}.shopping-list-container{max-height:600px;overflow-y:auto;padding-right:.5rem}.shopping-list-container::-webkit-scrollbar{width:6px}.shopping-list-container::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.shopping-list-container::-webkit-scrollbar-thumb{background:#667eea4d;border-radius:3px}.shopping-list-container::-webkit-scrollbar-thumb:hover{background:#667eea80}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--bg-gradient);background-attachment:fixed;padding:2rem}.login-form{background:var(--card-bg);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);padding:3rem;border-radius:24px;box-shadow:0 20px 60px var(--shadow-heavy);border:1px solid var(--border-secondary);max-width:450px;width:100%;text-align:center}.login-form img{max-width:200px!important;margin-bottom:0;transition:transform .2s ease,filter .2s ease}.login-form img:hover{transform:scale(1.02);filter:brightness(1.1)}.login-form img:active{transform:scale(.98)}.login-form h2{margin-bottom:2rem;color:var(--text-primary);font-size:2rem;font-weight:600;background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:color .3s ease}.login-form input{width:100%;margin:.75rem 0;padding:1rem 1.25rem;border:2px solid var(--border-primary);border-radius:12px;font-size:1rem;background-color:var(--bg-primary);color:var(--text-primary);outline:none;transition:all .2s ease;box-shadow:0 2px 8px var(--shadow-light)}.login-form input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}button.login-submit-button{width:100%;padding:1rem;margin-top:1.5rem;border:none;border-radius:12px;font-size:1rem;font-weight:600;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 20px #667eea4d}button.login-submit-button:hover{transform:translateY(-2px);box-shadow:0 6px 24px #667eea66}.login-error{background:#fed7d7;color:#c53030;padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem;font-weight:500}@media (max-width: 768px){.app-header{padding:1rem}.app-header img{max-width:200px}.card{padding:1.5rem;border-radius:16px}.item-card{flex-direction:column;align-items:flex-start;gap:1rem}.item-actions{width:100%;justify-content:flex-end}.button-group{width:100%;justify-content:space-between}.login-container{padding:1rem}.login-form{padding:2rem}.login-form h2{font-size:1.75rem}.login-form img{max-width:180px!important}}@media (max-width: 480px){.container{padding:1rem .5rem;max-width:100%;width:100%}.card{padding:1rem;border-radius:12px}.item-card{padding:1rem}.login-form{padding:1.5rem}.header-controls{gap:.25rem}.header-controls .login-button,.header-controls .logout-button{padding:.5rem 1rem;font-size:.8rem;min-height:36px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.item-card,.shopping-item,.card{animation:fadeIn .3s ease-out}button:focus-visible{outline:2px solid #667eea;outline-offset:2px}input:focus-visible{outline:2px solid #667eea;outline-offset:2px}.adding-to-cart{position:relative;opacity:.7;transform:scale(.95);pointer-events:none}.adding-to-cart:after{content:"";position:absolute;top:50%;left:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:addToCartSpin .8s linear infinite}.recently-added{background:linear-gradient(135deg,#51cf66,#40c057)!important;animation:addToCartSuccess .6s ease-out;position:relative;overflow:hidden}.recently-added:before{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-weight:700;font-size:14px;z-index:1;animation:checkmarkBounce .6s ease-out}.recently-added svg{opacity:0}@keyframes addToCartSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes addToCartSuccess{0%{transform:scale(1);background:linear-gradient(135deg,#51cf66,#40c057)}50%{transform:scale(1.1);background:linear-gradient(135deg,#40c057,#37b24d)}to{transform:scale(1);background:linear-gradient(135deg,#51cf66,#40c057)}}@keyframes checkmarkBounce{0%{transform:translate(-50%,-50%) scale(0);opacity:0}50%{transform:translate(-50%,-50%) scale(1.2);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:1}}.already-in-cart{opacity:.7;background:linear-gradient(135deg,#a8a8a8,#8c8c8c)!important;cursor:pointer;transition:all .2s ease}.already-in-cart:hover{opacity:1;background:linear-gradient(135deg,#ffd43b,#fab005)!important;transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(1px) scale(.98);transition:transform .1s ease}button.add-to-cart:hover:not(.adding-to-cart):not(.recently-added):not(.already-in-cart){animation:pulseGreen 1.5s infinite}@keyframes pulseGreen{0%{box-shadow:0 2px 8px #0000001a}50%{box-shadow:0 4px 20px #51cf6666}to{box-shadow:0 2px 8px #0000001a}}.success-message{background:#c6f6d5;color:#22543d;padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem;font-weight:500}.success-toast{position:fixed;top:2rem;right:2rem;background:linear-gradient(135deg,#51cf66,#40c057);color:#fff;padding:1rem 1.5rem;border-radius:12px;box-shadow:0 8px 32px #51cf664d;z-index:1000;display:flex;align-items:center;gap:.75rem;font-weight:500;font-size:.9rem;animation:toastSlideIn .4s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.warning-toast{position:fixed;top:2rem;right:2rem;background:linear-gradient(135deg,#ffd43b,#fab005);color:#2d3748;padding:1rem 1.5rem;border-radius:12px;box-shadow:0 8px 32px #ffd43b4d;z-index:1000;display:flex;align-items:center;gap:.75rem;font-weight:500;font-size:.9rem;animation:toastSlideIn .4s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.toast-icon{font-size:1.2rem;animation:toastIconBounce .6s ease-out}.toast-message{max-width:250px;word-wrap:break-word}@keyframes toastSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes toastIconBounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-3px)}60%{transform:translateY(-1px)}}.empty-state{text-align:center;padding:3rem 2rem;color:#718096;background:#ffffff80;border-radius:16px;border:2px dashed #e2e8f0}.empty-state-icon{font-size:3rem;margin-bottom:1rem;opacity:.7}.empty-state-title{font-size:1.25rem;font-weight:600;margin:0 0 .5rem;color:#4a5568}.empty-state-description{margin:0;font-size:.95rem}.list-controls{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;padding:1rem;background:#ffffffb3;border-radius:12px;border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-group{display:flex;flex-direction:column;gap:.25rem;min-width:120px}.control-group label{font-size:.8rem;font-weight:600;color:#4a5568;margin-bottom:.25rem}.control-select{padding:.5rem .75rem;border:2px solid #e2e8f0;border-radius:8px;background-color:#fff;color:#2d3748;font-size:.9rem;transition:all .2s ease}.control-select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.view-toggle{display:flex;border-radius:8px;overflow:hidden;border:2px solid #e2e8f0;margin-top:1.5rem}.view-toggle-btn{padding:.5rem .75rem;border:none;background:#fff;color:#4a5568;font-size:1rem;cursor:pointer;transition:all .2s ease;border-right:1px solid #e2e8f0}.view-toggle-btn:last-child{border-right:none}.view-toggle-btn.active{background:#667eea;color:#fff}.view-toggle-btn:hover:not(.active){background:#f7fafc}.results-info{margin-bottom:1rem;padding:.75rem 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1rem;background:#667eea1a;border-radius:8px;color:#4a5568;font-weight:500;font-size:.9rem}@media (max-width: 768px){.list-controls{flex-direction:column;gap:1rem}.control-group{min-width:auto}.view-toggle{margin-top:.5rem}.pagination{flex-direction:column;gap:.75rem}.pagination-btn{width:100%;max-width:200px}.item-meta{flex-direction:column}.item-card.compact .item-meta{flex-direction:column;gap:.25rem}.success-toast,.warning-toast{top:1rem;right:1rem;left:1rem;max-width:none;padding:.75rem 1rem;font-size:.85rem}.toast-message{max-width:none}}.category-preview{margin-top:8px;padding:8px 12px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;font-size:.9rem;display:flex;align-items:center;gap:8px}.category-label{color:var(--color-text-secondary);font-weight:500}.category-value{color:var(--color-primary);font-weight:600;background-color:var(--color-primary-light);padding:2px 8px;border-radius:12px;font-size:.85rem}