:root{--color-primary: #2979FF;--color-primary-dark: #1565C0;--color-success: #00E676;--color-success-dark: #00C853;--color-warning: #FFEA00;--color-warning-dark: #FFD600;--color-danger: #FF1744;--color-danger-dark: #D50000;--color-info: #651FFF;--color-bg: #E3F2FD;--radius-l: 24px;--radius-m: 16px;--radius-s: 12px;--border-w: 3px;--btn-depth: 4px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:18px;height:100%}body{font-family:Nunito,Microsoft JhengHei,sans-serif;margin:0;padding:15px;padding-top:max(15px,env(safe-area-inset-top));padding-bottom:max(15px,env(safe-area-inset-bottom));background-color:var(--color-bg);color:#333;background-image:linear-gradient(rgba(255,255,255,.5) 2px,transparent 2px),linear-gradient(90deg,rgba(255,255,255,.5) 2px,transparent 2px);background-size:40px 40px;min-height:100vh;line-height:1.6;overflow-y:auto;-webkit-overflow-scrolling:touch}.step-marker,.navigation{display:none!important}.container{max-width:800px;margin:0 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#bbb;border-radius:20px;white-space:nowrap;transform:none}.sync-status{display:inline-flex;align-items:center;gap:4px;margin-left:8px;color:#607d8b;font-size:.68rem;font-weight:800}.sync-status:before{content:"";width:7px;height:7px;border-radius:50%;background:#90a4ae}.sync-status.is-saved:before{background:#2eaa68}.sync-status.is-saving:before{background:#2d8fe8;animation:syncPulse 1s ease-in-out infinite}.sync-status.is-offline:before,.sync-status.is-error:before{background:#ed8a24}.sync-status.is-conflict:before{background:#d14b74}@keyframes syncPulse{50%{opacity:.35}}#fbButton{background-color:#1877f2;color:#fff;border:none;box-shadow:0 2px #0d47a1}#authButton img,#fbButton img{height:16px;width:16px;margin-right:5px}.active-checkin-btn{font-size:1.2rem!important}.level-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:20px;background:#f3e5f5;padding:15px;border-radius:var(--radius-m);border:2px dashed 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