#app-header{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--bg-card);border-bottom:1px solid var(--border);padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top))}
.header-row{display:flex;align-items:center;justify-content:space-between;max-width:720px;margin:0 auto;gap:8px}
.header-brand{font-weight:800;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-actions{display:flex;gap:6px;flex-shrink:0}
.child-switcher{display:flex;gap:6px;margin-top:8px;overflow-x:auto;padding-bottom:4px}
.child-chip{border:2px solid var(--border);background:var(--bg);border-radius:999px;padding:6px 12px;font-size:.8rem;cursor:pointer;white-space:nowrap}
.child-chip.active{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 15%,var(--bg-card));font-weight:700}
.bottom-nav{position:fixed;left:0;right:0;bottom:var(--contact-footer-h);height:var(--nav-h);background:var(--bg-card);border-top:1px solid var(--border);z-index:90;padding-bottom:env(safe-area-inset-bottom)}
.bottom-nav ul{display:flex;list-style:none;height:100%;margin:0;padding:0;width:100%}
.bottom-nav li{flex:1;min-width:0;display:flex}
.bottom-nav a{flex:1;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-size:.65rem;color:var(--text-secondary);gap:2px;padding:4px 2px;font-weight:600}
.bottom-nav a.active{color:var(--primary)}
.bottom-nav a span:first-child{font-size:1.2rem;line-height:1}
.contact-footer{position:fixed;left:0;right:0;bottom:0;z-index:100;background:#fff;border-top:1px solid #eee;padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
.contact-footer__btns{display:grid;grid-template-columns:repeat(3,minmax(0,88px));gap:8px;max-width:320px;margin:0 auto 4px;justify-content:center}
.contact-footer__cta,.contact-footer__btn{display:flex;align-items:center;justify-content:center;font-size:.72rem;padding:.48rem .2rem;border-radius:8px;text-decoration:none;border:1px solid #ddd;background:#f8f8f8;color:#333;cursor:pointer;font-family:inherit}
.contact-footer__cta{background:#c41e1e!important;color:#fff!important;border-color:#c41e1e}
.contact-footer__brand{text-align:center;font-size:.65rem;color:#888;margin:0}
.toast-container{position:fixed;bottom:calc(var(--contact-footer-h) + var(--nav-h) + 16px);left:50%;transform:translateX(-50%);z-index:300;pointer-events:none;width:90%;max-width:360px}
.toast{background:#333;color:#fff;padding:12px 16px;border-radius:12px;font-size:.9rem;margin-top:8px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.toast-success{background:#2E7D32}.toast-error{background:#C62828}
.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.heatmap-legend{display:flex;align-items:center;gap:4px;font-size:.7rem;margin-bottom:8px;color:var(--text-secondary)}
.heatmap-legend i{width:14px;height:14px;border-radius:3px;display:inline-block}
.heatmap-legend .lv0{background:var(--heat-0)}.heatmap-legend .lv1{background:var(--heat-1)}.heatmap-legend .lv2{background:var(--heat-2)}.heatmap-legend .lv3{background:var(--heat-3)}.heatmap-legend .lv4{background:var(--heat-4)}
.heatmap-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.heat-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.65rem;border-radius:6px;background:var(--heat-0);font-weight:600}
.heat-cell.lv1{background:var(--heat-1)}.heat-cell.lv2{background:var(--heat-2)}.heat-cell.lv3{background:var(--heat-3)}.heat-cell.lv4{background:var(--heat-4)}
.pad{visibility:hidden}
#animation-layer{position:fixed;inset:0;pointer-events:none;z-index:200;display:flex;align-items:center;justify-content:center}
#animation-canvas{position:fixed;inset:0;z-index:199;pointer-events:none}
.anim-fx{font-size:4rem;animation:popFx 1s ease forwards}
@keyframes popFx{0%{transform:scale(.3);opacity:0}40%{transform:scale(1.2);opacity:1}100%{transform:scale(1.5);opacity:0}}