*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#333;line-height:1.6}.app{min-height:100vh;background:#fff;position:relative;padding-bottom:80px}.header{background:#4a90d9;color:#fff;padding:16px 24px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:100}.header h1{font-size:1.25rem;font-weight:600}.back-btn{background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:4px 8px;margin-left:-8px}.history-list{padding:24px}.history-items{display:grid;grid-template-columns:1fr;gap:12px}@media (min-width: 640px){.history-items{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.history-items{grid-template-columns:repeat(3,1fr)}}.history-item{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:16px;display:flex;justify-content:space-between;align-items:center;transition:box-shadow .2s}.history-item:hover{box-shadow:0 2px 8px #00000014}.history-content{flex:1}.history-user{font-weight:600;color:#4a90d9}.history-chore{font-size:1rem;margin:4px 0}.history-date{font-size:.75rem;color:#888}.delete-btn{background:none;border:none;color:#d9534f;cursor:pointer;padding:8px;font-size:1.25rem}.fab-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;align-items:flex-end;gap:12px;z-index:150}.fab{width:56px;height:56px;border-radius:50%;background:#4a90d9;color:#fff;border:none;font-size:1.5rem;cursor:pointer;box-shadow:0 4px 12px #0003;display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s,background .2s}.fab:hover{transform:scale(1.05);box-shadow:0 6px 16px #00000040}.fab-open{background:#666}.fab-menu{display:flex;flex-direction:column;gap:8px;animation:fadeInUp .2s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fab-menu-item{background:#fff;border:none;padding:12px 20px;border-radius:24px;font-size:.9rem;cursor:pointer;box-shadow:0 2px 8px #00000026;white-space:nowrap;transition:background .2s}.fab-menu-item:hover{background:#f5f5f5}.fab-menu-add{background:#4a90d9;color:#fff}.fab-menu-add:hover{background:#3a7bc8}.fab-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0000004d;z-index:140}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:#fff;width:90%;max-width:500px;border-radius:16px;padding:24px;max-height:80vh;overflow-y:auto}@media (max-width: 480px){.modal-overlay{align-items:flex-end}.modal{width:100%;max-width:none;border-radius:16px 16px 0 0}}.modal h2{font-size:1.125rem;margin-bottom:16px;text-align:center}.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#888}.user-selection{display:flex;gap:12px;margin-bottom:24px}.user-btn{flex:1;padding:16px;border:2px solid #e0e0e0;border-radius:12px;background:#fff;font-size:1rem;cursor:pointer;transition:all .2s}.user-btn.selected{border-color:#4a90d9;background:#e8f1fb;color:#4a90d9;font-weight:600}.chore-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}@media (min-width: 400px){.chore-grid{grid-template-columns:repeat(3,1fr)}}.chore-btn{padding:16px 12px;border:1px solid #e0e0e0;border-radius:8px;background:#fff;font-size:.9rem;cursor:pointer;transition:all .2s}.chore-btn:hover{background:#f5f5f5}.chore-btn:disabled{opacity:.5;cursor:not-allowed}.chore-management{padding:24px;max-width:600px;margin:0 auto}.chore-form{display:flex;gap:8px;margin-bottom:16px}.chore-form input{flex:1;padding:12px;border:1px solid #e0e0e0;border-radius:8px;font-size:1rem}.chore-form button{padding:12px 20px;background:#4a90d9;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background .2s}.chore-form button:hover{background:#3a7bc8}.chore-list-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e0e0e0}.chore-list-item:last-child{border-bottom:none}.chore-actions{display:flex;gap:8px}.chore-actions button{padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-size:.875rem}.edit-btn{background:#f0f0f0}.delete-btn-sm{background:#fee;color:#d9534f}.summary-page{padding:24px}.period-tabs{display:flex;gap:8px;margin-bottom:24px;max-width:400px}.period-tab{flex:1;padding:12px;border:1px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer;transition:all .2s}.period-tab.active{background:#4a90d9;color:#fff;border-color:#4a90d9}.summary-sections{display:grid;grid-template-columns:1fr;gap:24px}@media (min-width: 768px){.summary-sections{grid-template-columns:repeat(2,1fr)}}.summary-section{background:#f8f9fa;border-radius:12px;padding:20px}.summary-section h3{font-size:1rem;margin-bottom:16px;color:#666}.summary-card{background:#fff;border-radius:8px;padding:16px;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}.summary-card:last-child{margin-bottom:0}.summary-name{font-weight:600}.summary-count{font-size:1.5rem;font-weight:700;color:#4a90d9}.summary-count span{font-size:.875rem;font-weight:400;color:#888}.empty-state{text-align:center;padding:48px 16px;color:#888}.loading{text-align:center;padding:24px;color:#888}