:root{--bg: #FDF6EC;--bg-card: #FFFFFF;--bg-warm: #FFF5E6;--primary: #FF8C42;--primary-light: #FFBC85;--primary-dark: #E6732E;--accent: #FF6B8A;--accent-light: #FFB3C6;--text: #4A3728;--text-light: #8B7355;--text-muted: #B8A088;--border: #F0E0CC;--success: #7BC67E;--shadow: 0 2px 12px rgba(74, 55, 40, .08);--shadow-lg: 0 4px 24px rgba(74, 55, 40, .12);--radius: 16px;--radius-sm: 10px;--radius-full: 999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}#root{max-width:480px;margin:0 auto;min-height:100vh;position:relative;background:var(--bg)}button{font-family:inherit;cursor:pointer;border:none;outline:none;-webkit-tap-highlight-color:transparent}input,textarea{font-family:inherit;outline:none;border:none}img{max-width:100%;display:block}.app{display:flex;flex-direction:column;min-height:100vh;padding-bottom:70px}.tab-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;background:var(--bg-card);border-top:1px solid var(--border);box-shadow:0 -2px 12px #4a37280f;z-index:100}.tab-bar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0;background:none;color:var(--text-muted);font-size:10px;font-weight:600;transition:color .2s}.tab-bar button.active{color:var(--primary)}.tab-bar .tab-icon{font-size:22px;line-height:1}.tab-bar .tab-badge{position:absolute;top:4px;right:calc(50% - 16px);background:var(--accent);color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-card);border-bottom:1px solid var(--border)}.app-header h1{font-size:18px;color:var(--primary);font-weight:700}.cat-food-badge{display:flex;align-items:center;gap:4px;background:var(--bg-warm);padding:4px 10px;border-radius:var(--radius-full);font-size:13px;font-weight:600;color:var(--primary-dark)}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px 24px;text-align:center;background:linear-gradient(180deg,#fff5e6,#fdf6ec)}.welcome-screen img{width:200px;border-radius:24px;margin-bottom:24px}.welcome-screen h1{font-size:28px;color:var(--primary);margin-bottom:8px}.welcome-screen p{color:var(--text-light);margin-bottom:32px;font-size:15px}.welcome-form{width:100%;max-width:300px;display:flex;flex-direction:column;gap:12px}.welcome-form input{width:100%;padding:14px 16px;border-radius:var(--radius-sm);background:var(--bg-card);border:2px solid var(--border);font-size:16px;color:var(--text);transition:border-color .2s}.welcome-form input:focus{border-color:var(--primary)}.btn-primary{padding:14px 24px;background:var(--primary);color:#fff;border-radius:var(--radius-full);font-size:16px;font-weight:600;transition:background .2s,transform .1s}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:active{transform:scale(.97)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{padding:10px 20px;background:var(--bg-warm);color:var(--primary-dark);border-radius:var(--radius-full);font-size:14px;font-weight:600;transition:background .2s}.btn-secondary:hover{background:var(--primary-light);color:#fff}.btn-accent{padding:10px 20px;background:var(--accent);color:#fff;border-radius:var(--radius-full);font-size:14px;font-weight:600}.card{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin:12px 16px;box-shadow:var(--shadow)}.card-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:8px}.chat-container{flex:1;display:flex;flex-direction:column}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-bubble{max-width:80%;padding:12px 16px;border-radius:18px;font-size:14px;line-height:1.5;word-break:break-word}.chat-bubble.cat{align-self:flex-start;background:var(--bg-warm);color:var(--text);border-bottom-left-radius:4px}.chat-bubble.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-bubble .cat-avatar{width:32px;height:32px;border-radius:50%;margin-bottom:4px}.chat-input-bar{display:flex;gap:8px;padding:12px 16px;background:var(--bg-card);border-top:1px solid var(--border)}.chat-input-bar input{flex:1;padding:10px 16px;border-radius:var(--radius-full);background:var(--bg);font-size:14px;color:var(--text);border:1px solid var(--border)}.chat-input-bar button{padding:10px 20px;background:var(--primary);color:#fff;border-radius:var(--radius-full);font-size:14px;font-weight:600}.map-view{padding:0}.map-header{padding:16px;text-align:center}.map-header h2{font-size:18px;color:var(--primary)}.map-header .cat-status{font-size:13px;color:var(--text-light);margin-top:4px}.map-bg{width:100%;border-radius:0;margin-bottom:8px}.locations-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:0 16px 16px}.location-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;text-align:center}.location-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.location-card.locked{opacity:.4;cursor:not-allowed}.location-card.active{border:2px solid var(--primary);background:var(--bg-warm)}.location-card img{width:64px;height:64px;object-fit:cover;border-radius:var(--radius-sm)}.location-card .loc-name{font-size:11px;font-weight:600;color:var(--text);line-height:1.3}.location-card .loc-icon{font-size:28px}.location-card .loc-cost{font-size:10px;color:var(--primary-dark);background:var(--bg-warm);padding:1px 6px;border-radius:8px}.location-card .cat-here{position:absolute;top:-6px;right:-6px;width:28px;height:28px;border-radius:50%;animation:bounce 1s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.diary-view{padding:16px}.diary-entry{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.diary-entry .diary-date{font-size:12px;color:var(--text-muted);margin-bottom:8px}.diary-entry .diary-content{font-size:14px;color:var(--text);white-space:pre-wrap;line-height:1.7}.postcard-list{padding:16px;display:flex;flex-direction:column;gap:8px}.postcard-item{background:var(--bg-card);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow);font-size:14px;color:var(--text);border-left:3px solid var(--primary-light)}.postcard-item .pc-time{font-size:11px;color:var(--text-muted);margin-top:4px}.intro-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin:12px 16px;box-shadow:var(--shadow);border-left:4px solid var(--accent)}.intro-card h3{font-size:15px;color:var(--accent);margin-bottom:4px}.intro-card .intro-reason{font-size:13px;color:var(--text-light);margin-bottom:12px}.intro-card .intro-actions{display:flex;gap:8px}.intro-card .intro-status{font-size:13px;color:var(--text-muted);font-weight:600}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;color:var(--text-muted);font-size:14px;gap:12px}.loading img{width:80px;animation:bounce 1.5s infinite}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:14px}.empty-state .empty-icon{font-size:48px;margin-bottom:12px}.auth-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px 24px;text-align:center;background:linear-gradient(180deg,#fff5e6,#fdf6ec)}.auth-screen img{width:160px;border-radius:24px;margin-bottom:20px}.auth-screen h1{font-size:28px;color:var(--primary);margin-bottom:8px}.auth-screen p{color:var(--text-light);margin-bottom:24px;font-size:15px}.auth-tabs{display:flex;gap:0;width:100%;max-width:300px;margin-bottom:16px;border-radius:var(--radius-sm);overflow:hidden;border:2px solid var(--border)}.auth-tabs button{flex:1;padding:10px 0;background:var(--bg-card);color:var(--text-muted);font-size:14px;font-weight:600;transition:background .2s,color .2s;border:none}.auth-tabs button.active{background:var(--primary);color:#fff}.auth-form{width:100%;max-width:300px;display:flex;flex-direction:column;gap:12px}.auth-form input{width:100%;padding:14px 16px;border-radius:var(--radius-sm);background:var(--bg-card);border:2px solid var(--border);font-size:16px;color:var(--text);transition:border-color .2s;box-sizing:border-box}.auth-form input:focus{border-color:var(--primary);outline:none}.auth-error{color:var(--accent);font-size:13px;margin:0}.locale-toggle-auth{margin-top:24px;padding:8px 16px;background:transparent;color:var(--text-muted);font-size:13px;border:1px solid var(--border);border-radius:var(--radius-full);cursor:pointer;transition:color .2s,border-color .2s}.locale-toggle-auth:hover{color:var(--primary);border-color:var(--primary)}