:root{--bg: #f5f7f3;--surface: #ffffff;--surface-soft: #eef3ee;--primary: #2f5d50;--primary-dark: #24483e;--primary-light: #dce9e3;--text: #24312d;--text-soft: #68756f;--border: #e1e7e2;--success: #3f7d5b;--warning: #b98236;--danger: #b85b55;--shadow: 0 8px 30px rgba(40, 65, 55, .08);--shadow-small: 0 3px 12px rgba(40, 65, 55, .07);--radius: 18px;--radius-small: 12px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(circle at top right,rgba(220,233,227,.55),transparent 32%),var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(47,93,80,.22);outline-offset:2px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:12px 24px;background:#ffffffeb;border-bottom:1px solid rgba(225,231,226,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:9px;color:var(--primary);font-size:1.2rem;font-weight:800;letter-spacing:-.02em}.header-right{display:flex;align-items:center;gap:12px}.header-right .hint{font-weight:600}.app-main{width:min(1100px,100%);margin:0 auto;padding:32px 24px 110px;flex:1}.app-main>section{animation:pageEnter .25s ease}@keyframes pageEnter{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}section>h2{margin:0 0 22px;color:var(--text);font-size:clamp(1.45rem,3vw,2rem);line-height:1.15;letter-spacing:-.035em}.hint{color:var(--text-soft);font-size:.88rem}.empty{padding:28px 18px!important;color:var(--text-soft);text-align:center;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}button{border:0}button:not(.link):not(.icon-btn):not(.tab-btn){min-height:44px;padding:0 18px;color:#fff;background:var(--primary);border-radius:12px;font-weight:700;transition:transform .15s ease,background .15s ease,box-shadow .15s ease}button:not(.link):not(.icon-btn):not(.tab-btn):hover{background:var(--primary-dark);box-shadow:var(--shadow-small)}button:not(.link):not(.icon-btn):not(.tab-btn):active{transform:scale(.97)}.link{padding:5px 0;color:var(--primary);background:transparent;font-weight:700}.link:hover{text-decoration:underline}.icon-btn{width:38px;height:38px;padding:0;display:inline-flex;align-items:center;justify-content:center;color:var(--text-soft);background:transparent;border-radius:10px;transition:color .15s ease,background .15s ease}.icon-btn:hover{color:var(--danger);background:#f8e9e7}input,select,textarea{width:100%;min-height:44px;padding:10px 13px;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;transition:border-color .15s ease,box-shadow .15s ease}input::placeholder,textarea::placeholder{color:#9aa49f}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px #2f5d5014;outline:none}.add-row,.task-form{display:flex;gap:10px;margin-bottom:20px}.add-row input,.task-form input{flex:1}.task-form select{width:210px}.item-list{display:flex;flex-direction:column;gap:9px;padding:0;margin:0;list-style:none}.item-row{min-height:64px;padding:11px 13px;display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow-small);transition:transform .15s ease,box-shadow .15s ease}.item-row:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.item-row label{min-width:0;flex:1;display:flex;align-items:center;gap:12px;cursor:pointer}.item-row label span{overflow:hidden;text-overflow:ellipsis}.item-row input[type=checkbox]{flex:0 0 auto;width:21px;height:21px;min-height:auto;accent-color:var(--primary)}.item-meta{flex:0 0 auto;color:var(--text-soft);font-size:.78rem}.item-row--done{opacity:.7}.item-row--done label span{text-decoration:line-through}.tag-ai{padding:5px 9px;color:var(--primary);background:var(--primary-light);border-radius:999px;font-weight:700}.savings-banner{display:flex;align-items:center;gap:12px;padding:17px 19px;margin-bottom:18px;color:var(--primary-dark);background:linear-gradient(135deg,#e4efe9,#f3f7f4);border:1px solid #d5e3dc;border-radius:var(--radius);box-shadow:var(--shadow-small);font-size:.95rem}.savings-banner strong{font-size:1.05rem}.savings-detail{margin-left:auto;color:var(--text-soft);font-size:.78rem}.purchased-section{margin-top:22px;background:#ffffff80;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.purchased-section summary{padding:15px 17px;color:var(--text-soft);cursor:pointer;font-weight:700}.purchased-section .item-list{padding:0 10px 10px}.menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.menu-card{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-small);transition:transform .15s ease,box-shadow .15s ease}.menu-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.menu-card h3{margin:0 0 14px;color:var(--primary);font-size:1.05rem;text-transform:capitalize}.menu-card label{display:block;margin-bottom:10px;color:var(--text-soft);font-size:.78rem;font-weight:700}.menu-card textarea{resize:vertical}.assistant-card{padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.assistant-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.assistant-header-icon{width:45px;height:45px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:14px;font-size:1.35rem}.assistant-header h3{margin:0;font-size:1.1rem}.assistant-header p{margin:3px 0 0;color:var(--text-soft);font-size:.85rem}.chat-messages{display:flex;flex-direction:column;gap:12px;max-height:480px;overflow-y:auto;padding:5px 2px 18px}.chat-message{max-width:85%;padding:12px 15px;border-radius:16px;line-height:1.5;font-size:.92rem}.chat-message--user{align-self:flex-end;color:#fff;background:var(--primary);border-bottom-right-radius:5px}.chat-message--assistant{align-self:flex-start;background:var(--surface-soft);border-bottom-left-radius:5px}.assistant-form{display:flex;gap:10px;padding-top:14px;border-top:1px solid var(--border)}.assistant-form input{flex:1}.offline-badge{display:inline-flex;align-items:center;padding:6px 10px;color:#76551e;background:#fff2d9;border:1px solid #f0ddb5;border-radius:999px;font-size:.76rem;font-weight:700}.app-tabbar{position:fixed;z-index:30;left:50%;bottom:14px;transform:translate(-50%);width:min(720px,calc(100% - 28px));display:grid;grid-template-columns:repeat(4,1fr);padding:7px;background:#fffffff0;border:1px solid rgba(225,231,226,.95);border-radius:20px;box-shadow:0 12px 35px #23373024;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px)}.tab-btn{min-height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-soft);background:transparent;border-radius:15px;font-size:.72rem;font-weight:700;transition:color .15s ease,background .15s ease,transform .15s ease}.tab-btn:hover{color:var(--primary)}.tab-btn--active{color:var(--primary);background:var(--primary-light)}.tab-btn:active{transform:scale(.95)}.tab-icon{font-size:1.3rem;line-height:1}.screen-center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;color:var(--text-soft)}@media (max-width: 760px){.app-header{padding:11px 16px}.app-main{padding:25px 16px 105px}.header-right .hint{display:none}.menu-grid{grid-template-columns:1fr}.savings-banner{align-items:flex-start;flex-wrap:wrap}.savings-detail{width:100%;margin-left:0}}@media (max-width: 560px){.app-header{min-height:62px}.brand{font-size:1.05rem}.app-main{padding-top:22px}section>h2{margin-bottom:17px;font-size:1.45rem}.add-row,.task-form,.assistant-form{flex-direction:column}.task-form select,.add-row button,.task-form button,.assistant-form button{width:100%}.item-row{min-height:60px;padding:9px 10px}.item-meta{display:none}.savings-banner{padding:14px}.app-tabbar{bottom:9px;width:calc(100% - 18px);border-radius:17px}.tab-btn{min-height:57px}.tab-icon{font-size:1.2rem}.assistant-card{padding:16px}.chat-message{max-width:92%}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.shopping-page{max-width:950px;margin:0 auto}.shopping-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.shopping-intro h2{margin:0;font-size:clamp(1.8rem,4vw,2.5rem);letter-spacing:-.045em}.shopping-intro p{margin:8px 0 0;color:var(--text-soft);line-height:1.5}.shopping-intro-icon{width:70px;height:70px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:22px;font-size:2rem}.shopping-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:17px}.shopping-stat{display:flex;align-items:center;gap:11px;padding:15px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-small)}.shopping-stat-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--surface-soft);border-radius:12px;font-size:1.15rem}.shopping-stat strong{display:block;font-size:1.2rem}.shopping-stat div span{display:block;margin-top:2px;color:var(--text-soft);font-size:.72rem}.shopping-stat--saving{background:linear-gradient(135deg,#f0f7f3,#fff)}.shopping-add-card{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:19px;box-shadow:var(--shadow-small);margin-bottom:12px}.shopping-add-title{margin-bottom:11px}.shopping-add-title span{display:block;font-weight:800}.shopping-add-title small{display:block;margin-top:3px;color:var(--text-soft);font-size:.75rem}.shopping-add-form{display:flex;gap:9px}.shopping-input-wrapper{flex:1;display:flex;align-items:center;gap:9px;min-width:0;padding:0 12px;background:#f8faf8;border:1px solid var(--border);border-radius:12px}.shopping-input-wrapper input{min-height:45px;padding:8px 0;background:transparent;border:0;box-shadow:none}.shopping-input-wrapper input:focus{box-shadow:none}.shopping-feedback{margin-top:9px;color:var(--success);font-size:.8rem;font-weight:700}.shopping-smart-tip{display:flex;align-items:flex-start;gap:11px;padding:13px 15px;margin-bottom:25px;background:#f7f5ed;border:1px solid #ebe4d1;border-radius:15px}.shopping-smart-icon{font-size:1.15rem}.shopping-smart-tip strong{display:block;color:#66582f;font-size:.82rem}.shopping-smart-tip p{margin:3px 0 0;color:#817552;font-size:.75rem;line-height:1.4}.shopping-section-header{display:flex;justify-content:space-between;margin-bottom:10px}.shopping-section-header h3{margin:0;font-size:1.05rem}.shopping-section-header span{display:block;margin-top:3px;color:var(--text-soft);font-size:.75rem}.shopping-items{display:flex;flex-direction:column;gap:8px}.shopping-item{min-height:67px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow-small);transition:transform .15s ease,box-shadow .15s ease}.shopping-item:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.shopping-item-main{min-width:0;flex:1;display:flex;align-items:center;gap:11px;cursor:pointer}.shopping-item-main input{position:absolute;width:1px;height:1px;opacity:0}.shopping-checkbox{width:27px;height:27px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:transparent;border:2px solid #cbd5cf;border-radius:9px;font-size:.78rem;font-weight:900;transition:background .15s ease,border-color .15s ease}.shopping-item-main input:checked+.shopping-checkbox{color:#fff;background:var(--primary);border-color:var(--primary)}.shopping-item-text{min-width:0}.shopping-item-text strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}.shopping-quantity{display:block;margin-top:3px;color:var(--text-soft);font-size:.7rem}.shopping-item-right{flex:0 0 auto;display:flex;align-items:center;gap:8px}.shopping-user{color:var(--text-soft);font-size:.7rem}.shopping-ai-tag{padding:5px 8px;color:var(--primary);background:var(--primary-light);border-radius:999px;font-size:.65rem;font-weight:800}.shopping-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:190px;padding:30px;background:var(--surface);border:1px dashed var(--border);border-radius:19px;text-align:center}.shopping-empty-icon{margin-bottom:10px;font-size:2.5rem}.shopping-empty strong{font-size:.95rem}.shopping-empty span{margin-top:4px;color:var(--text-soft);font-size:.78rem}.shopping-purchased{margin-top:20px;background:#fff9;border:1px solid var(--border);border-radius:17px;overflow:hidden}.shopping-purchased summary{display:flex;align-items:center;justify-content:space-between;padding:15px 17px;cursor:pointer;color:var(--text-soft);font-size:.82rem;font-weight:700}.shopping-purchased summary strong{min-width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:var(--primary);background:var(--primary-light);border-radius:8px;font-size:.7rem}.shopping-items--purchased{padding:0 10px 10px}.shopping-item--purchased{opacity:.65}.shopping-item--purchased .shopping-item-text strong{text-decoration:line-through}.shopping-saving-detail{display:flex;align-items:center;gap:12px;margin-top:20px;padding:16px;background:linear-gradient(135deg,#e8f1ec,#f8faf8);border:1px solid #d5e3dc;border-radius:17px}.saving-detail-icon{width:42px;height:42px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:12px;font-size:1.15rem}.shopping-saving-detail strong{font-size:.82rem}.shopping-saving-detail p{margin:3px 0 0;color:var(--text-soft);font-size:.72rem;line-height:1.4}.saving-detail-total{margin-left:auto;color:var(--primary);font-size:1.15rem!important;white-space:nowrap}@media (max-width: 650px){.shopping-summary{grid-template-columns:repeat(2,1fr)}.shopping-stat--saving{grid-column:1 / -1}.shopping-add-form{flex-direction:column}.shopping-add-form button{width:100%}.shopping-item-right{gap:4px}.shopping-user,.shopping-ai-tag{display:none}}@media (max-width: 480px){.shopping-intro{align-items:flex-start}.shopping-intro h2{font-size:1.7rem}.shopping-intro p{font-size:.8rem}.shopping-intro-icon{width:52px;height:52px;border-radius:16px;font-size:1.5rem}.shopping-summary{gap:8px}.shopping-stat{padding:11px}.shopping-stat-icon{width:34px;height:34px}.shopping-stat strong{font-size:1.05rem}.shopping-item{padding:9px}.shopping-saving-detail{align-items:flex-start}.saving-detail-total{font-size:1rem!important}}