:root{--pink: #FFB8C6;--pink-light: #FFD4E0;--pink-pale: #FFE8EE;--peach: #FFD4B8;--peach-light: #FFE8D6;--bg: #FFF5F5;--card: #FFFFFF;--text: #4A4A4A;--text-light: #8B7B7B;--lavender: #D4C5F0;--lavender-light: #EDE5F8;--shadow: 0 2px 12px rgba(255, 184, 198, .15);--shadow-hover: 0 4px 20px rgba(255, 184, 198, .25);--radius: 16px;--radius-sm: 10px;--font-main: "Microsoft YaHei", "微软雅黑", "PingFang SC", "Hiragino Sans GB", "STHeiti", "SimHei", "Noto Sans SC", sans-serif;--font-cute: var(--font-main);--font-handwrite: "Kaiti SC", "STKaiti", "KaiTi", "DFKai-SB", "FangSong", "STFangsong", cursive}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:var(--font-main);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#root{height:100%;display:flex;justify-content:center}.app-container{width:100%;max-width:480px;height:100%;display:flex;flex-direction:column;background:var(--bg);position:relative;overflow:hidden}.app-content{flex:1;overflow-y:auto;padding:16px 16px 80px;-webkit-overflow-scrolling:touch}.app-content::-webkit-scrollbar{width:4px}.app-content::-webkit-scrollbar-thumb{background:var(--pink-light);border-radius:2px}.bottom-nav{position:absolute;bottom:0;left:0;right:0;height:64px;background:var(--card);display:flex;align-items:center;justify-content:space-around;box-shadow:0 -2px 12px #ffb8c61a;border-radius:20px 20px 0 0;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;border-radius:12px;color:var(--text-light);text-decoration:none;transition:all .2s;font-size:11px;cursor:pointer;background:none;border:none;font-family:var(--font-main)}.nav-item.active{color:var(--pink)}.nav-item svg{width:22px;height:22px}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:12px;transition:transform .2s,box-shadow .2s}.card:active{transform:scale(.98)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:24px;font-size:15px;font-weight:500;border:none;cursor:pointer;transition:all .2s;font-family:var(--font-main)}.btn-primary{background:var(--pink);color:#fff;box-shadow:0 2px 8px #ffb8c666}.btn-primary:active{background:#ffa0b4;transform:scale(.96)}.btn-secondary{background:var(--pink-pale);color:var(--text)}.btn-danger{background:#fff0f0;color:#e88}.btn-block{width:100%}.btn-sm{padding:6px 14px;font-size:13px}.form-group{margin-bottom:14px}.form-label{display:block;font-size:14px;color:var(--text-light);margin-bottom:6px;font-weight:500}.form-input{width:100%;padding:10px 14px;border:2px solid #F0E0E5;border-radius:12px;font-size:15px;font-family:var(--font-main);transition:border-color .2s;background:var(--card);color:var(--text);outline:none}.form-input:focus{border-color:var(--pink)}textarea.form-input{resize:vertical;min-height:80px}input[type=date],input[type=time]{-webkit-appearance:none;-moz-appearance:none;appearance:none;min-height:44px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.page-title{font-family:var(--font-cute);font-size:24px;color:var(--text)}.page-title .emoji{font-family:sans-serif}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-pink{background:var(--pink-pale);color:#c97b8b}.badge-lavender{background:var(--lavender-light);color:#8b7bc9}.badge-peach{background:var(--peach-light);color:#c9987b}.empty-state{text-align:center;padding:40px 20px;color:var(--text-light)}.empty-state .icon{font-size:48px;margin-bottom:12px}.empty-state p{font-size:14px;margin-bottom:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.modal{background:var(--card);border-radius:var(--radius);padding:24px;width:100%;max-width:400px;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-hover)}.modal-title{font-family:var(--font-cute);font-size:20px;margin-bottom:16px;text-align:center}.dashboard-baby-name{font-family:var(--font-handwrite);font-size:30px;text-align:center;margin-bottom:4px;letter-spacing:2px}.dashboard-baby-age{text-align:center;font-size:14px;color:var(--text-light);margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.stat-card{background:var(--card);border-radius:var(--radius);padding:14px;text-align:center;box-shadow:var(--shadow)}.stat-card .stat-emoji{font-size:28px;margin-bottom:4px}.stat-card .stat-value{font-size:22px;font-weight:700;color:var(--pink)}.stat-card .stat-label{font-size:12px;color:var(--text-light)}.timeline{position:relative;padding-left:24px}.timeline:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--pink-light);border-radius:1px}.timeline-item{position:relative;margin-bottom:16px;padding-left:24px}.timeline-item:before{content:"";position:absolute;left:-20px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px var(--pink-pale)}.chart-container{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:12px}.quick-actions{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}.quick-action{flex:1;min-width:calc(50% - 5px);display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--card);border-radius:var(--radius);border:none;box-shadow:var(--shadow);font-family:var(--font-main);font-size:14px;color:var(--text);cursor:pointer;transition:all .2s}.quick-action:active{transform:scale(.97);background:var(--pink-pale)}.quick-action .qa-emoji{font-size:24px}.record-item{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid #F5EAED}.record-item:last-child{border-bottom:none}.record-item .record-info{flex:1}.record-item .record-date{font-size:13px;color:var(--text-light)}.record-item .record-value{font-size:16px;font-weight:600}.record-item .record-actions{display:flex;gap:8px}.today-section{background:linear-gradient(135deg,var(--pink-pale),var(--lavender-light));border-radius:var(--radius);padding:16px;margin-bottom:12px}.today-section .today-title{font-family:var(--font-cute);font-size:18px;margin-bottom:8px}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.pin-guard{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px 24px;background:linear-gradient(180deg,#fff5f5,#ffe8ee)}.pin-logo{width:80px;height:80px;background:var(--pink);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:16px;box-shadow:0 4px 16px #ffb8c64d}.pin-title{font-family:var(--font-cute);font-size:28px;color:var(--pink);margin-bottom:4px}.pin-subtitle{font-size:14px;color:var(--text-light);margin-bottom:24px}.pin-warning{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#fff9e6;border:1px solid #FFE0A0;border-radius:var(--radius-sm);font-size:13px;color:#b8860b;margin-bottom:20px}.pin-tabs{display:flex;gap:0;width:100%;max-width:320px;margin-bottom:24px;background:var(--card);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow)}.pin-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;border:none;background:transparent;font-size:14px;color:var(--text-light);cursor:pointer;transition:all .2s}.pin-tab.active{background:var(--pink);color:#fff;font-weight:600}.pin-input-group{width:100%;max-width:320px}.pin-label{display:block;font-size:13px;color:var(--text-light);margin-bottom:6px}.pin-input{width:100%;padding:14px 16px;border:2px solid var(--pink-light);border-radius:var(--radius-sm);font-size:24px;text-align:center;letter-spacing:8px;outline:none;background:var(--card);color:var(--text);transition:border-color .2s;font-family:var(--font-main)}.pin-input:focus{border-color:var(--pink)}.pin-error{color:#e74c3c;font-size:13px;margin-top:8px;text-align:center}.pin-submit{width:100%;padding:14px;margin-top:16px;border:none;border-radius:var(--radius-sm);background:var(--pink);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.pin-submit:hover{background:#ffa0b0}.pin-submit:disabled{background:var(--pink-light);cursor:not-allowed}.pin-hint{margin-top:24px;font-size:13px;color:var(--text-light);text-align:center;max-width:320px;line-height:1.6}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;color:var(--text-light);font-size:14px}.loading-spinner{width:32px;height:32px;border:3px solid var(--pink-light);border-top-color:var(--pink);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:12px}@keyframes spin{to{transform:rotate(360deg)}}