:root{--color-primary: #007AFF;--color-primary-light: #E5F1FF;--color-success: #34C759;--color-success-light: #E8F8EE;--color-danger: #FF3B30;--color-danger-light: #FFE8E6;--color-warning: #FF9500;--color-warning-light: #FFF4E5;--color-bg: #F2F2F7;--color-bg-white: #FFFFFF;--color-bg-input: #F2F2F7;--color-bg-hover: #E5E5EA;--color-text: #1C1C1E;--color-text-secondary: #8E8E93;--color-text-tertiary: #C7C7CC;--color-divider: #C6C6C8;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.page{min-height:100vh;padding-bottom:100px}.page-header{background:transparent;padding:16px 20px 12px;position:sticky;top:0;z-index:100;background-color:var(--color-bg)}.page-header h1{font-size:28px;font-weight:700;letter-spacing:-.5px}.page-header p{font-size:13px;color:var(--color-text-secondary);margin-top:4px;font-weight:400}.page-content{padding:8px 16px 16px}.section-header{font-size:13px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:16px 4px 8px}.section-header:first-child{padding-top:4px}.card{background:var(--color-bg-white);border-radius:var(--radius-lg);padding:18px 20px;margin-bottom:12px;box-shadow:var(--shadow-sm)}.card-title{font-size:17px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:var(--radius-md);border:none;font-size:15px;font-weight:500;cursor:pointer;transition:all .15s;gap:4px;font-family:inherit}.btn:active{transform:scale(.97);opacity:.85}.btn-primary{background:var(--color-primary);color:#fff}.btn-success{background:var(--color-success);color:#fff}.btn-danger{background:var(--color-danger);color:#fff}.btn-outline{background:transparent;border:none;color:var(--color-primary);font-weight:500}.btn-outline:hover{opacity:.7}.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}.btn-lg{padding:14px 24px;font-size:17px;font-weight:600;width:100%;height:50px;border-radius:var(--radius-md)}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:14px}.form-group:last-child{margin-bottom:0}.form-label{display:block;font-size:13px;font-weight:500;color:var(--color-text-secondary);margin-bottom:6px}.form-input{width:100%;padding:12px 14px;border:none;border-radius:var(--radius-sm);font-size:17px;outline:none;transition:background-color .15s;background:var(--color-bg-input);color:var(--color-text);font-family:inherit}.form-input:focus{background:#e5e5ea}.form-input::placeholder{color:var(--color-text-tertiary)}textarea.form-input{resize:none;line-height:1.5;min-height:44px}select.form-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238E8E93' d='M2.5 4.5L6 8l3.5-3.5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:10px;font-size:12px;font-weight:600}.tag-add{background:var(--color-success-light);color:#248a3d}.tag-deduct{background:var(--color-danger-light);color:#c92119}.tag-meal{background:var(--color-warning-light);color:#c27400}.list-item{display:flex;align-items:center;padding:12px 0;border-bottom:1px solid rgba(60,60,67,.08);gap:12px}.list-item:last-child{border-bottom:none}.empty-state{text-align:center;padding:48px 20px;color:var(--color-text-secondary)}.empty-state .icon{font-size:48px;margin-bottom:12px;opacity:.7}.empty-state p{font-size:14px}.tab-bar{position:fixed;bottom:0;left:0;right:0;background:#ffffffd9;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid rgba(60,60,67,.18);display:flex;z-index:200;padding-bottom:env(safe-area-inset-bottom,0px)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 0 6px;cursor:pointer;text-decoration:none;color:var(--color-text-secondary);transition:color .15s;font-size:10px;font-weight:500}.tab-item.active{color:var(--color-primary)}.tab-item .tab-icon{font-size:24px;margin-bottom:2px;line-height:1}.tab-item .tab-label{font-weight:600;letter-spacing:.1px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;z-index:300;display:flex;align-items:flex-end;justify-content:center}.modal-content{background:var(--color-bg-white);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:16px 20px 24px;width:100%;max-width:500px;max-height:85vh;overflow-y:auto;animation:slideUp .3s cubic-bezier(.32,.72,0,1)}.modal-handle{width:36px;height:5px;border-radius:3px;background:var(--color-text-tertiary);margin:0 auto 14px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-header h3{font-size:17px;font-weight:600}.modal-close{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:none;background:var(--color-bg-input);cursor:pointer;font-size:18px;color:var(--color-text-secondary);line-height:1}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.quick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.quick-tag{padding:6px 12px;border-radius:10px;border:none;background:var(--color-bg-input);font-size:13px;cursor:pointer;transition:all .15s;color:var(--color-text);font-family:inherit;-webkit-user-select:none;user-select:none}.quick-tag:active{transform:scale(.95)}.quick-tag.selected{background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.quick-tag.add:hover{background:var(--color-success-light);color:#248a3d}.quick-tag.deduct:hover{background:var(--color-danger-light);color:#c92119}.quick-tag.meal:hover{background:var(--color-warning-light);color:#c27400}.quick-tag.add.selected{background:var(--color-success-light);color:#248a3d}.quick-tag.deduct.selected{background:var(--color-danger-light);color:#c92119}.quick-tag.meal.selected{background:var(--color-warning-light);color:#c27400}.points-value{font-weight:700}.points-positive{color:var(--color-success)}.points-negative{color:var(--color-danger)}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat-card{background:var(--color-bg-white);border-radius:var(--radius-lg);padding:18px;text-align:center;box-shadow:var(--shadow-sm)}.stat-card .stat-value{font-size:28px;font-weight:700;margin-bottom:4px;letter-spacing:-.5px}.stat-card .stat-label{font-size:12px;color:var(--color-text-secondary)}.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;color:#fff;flex-shrink:0}.timeline-item{position:relative;padding-left:20px;padding-bottom:14px}.timeline-item:before{content:"";position:absolute;left:5px;top:8px;bottom:0;width:2px;background:var(--color-divider)}.timeline-item:last-child:before{display:none}.timeline-item:after{content:"";position:absolute;left:0;top:5px;width:12px;height:12px;border-radius:50%;background:var(--color-primary);border:2px solid white;box-shadow:0 0 0 1px var(--color-primary)}.search-bar{position:relative}.search-bar .form-input{padding-left:36px}.search-bar:before{content:"🔍";position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.6}.segmented-control{display:flex;background:var(--color-bg-input);border-radius:var(--radius-sm);padding:2px;gap:2px}.segmented-item{flex:1;padding:8px 12px;text-align:center;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;color:var(--color-text);background:transparent;-webkit-user-select:none;user-select:none}.segmented-item:active{transform:scale(.97)}.segmented-item.active{background:var(--color-bg-white);color:var(--color-text);font-weight:600;box-shadow:0 2px 6px #00000014}.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000c7;color:#fff;padding:12px 22px;border-radius:var(--radius-md);font-size:15px;z-index:999;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.loading{text-align:center;padding:40px;color:var(--color-text-secondary)}.loading-spinner{width:32px;height:32px;border:3px solid var(--color-bg-input);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}