.layout{display:flex;flex-direction:column;min-height:100vh;max-width:768px;margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem;color:var(--primary)}.topbar-icon{font-size:1.3rem}.topbar-user{display:flex;align-items:center;gap:12px}.topbar-greeting{font-size:.9rem;color:var(--text-muted)}.main-content{flex:1;padding:20px 20px 90px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:768px;display:flex;background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -2px 10px #00000014}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 0;color:var(--text-muted);font-size:.75rem;transition:color .15s}.bottom-nav-item.active{color:var(--primary)}.nav-icon{font-size:1.4rem}.nav-label{font-weight:500}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%)}.auth-card{width:100%;max-width:420px}.auth-header{text-align:center;margin-bottom:28px}.auth-icon{font-size:3rem;display:block;margin-bottom:12px}.auth-title{font-size:1.75rem;font-weight:800;color:var(--primary);margin-bottom:6px}.auth-subtitle{color:var(--text-muted);font-size:.95rem}.auth-footer{text-align:center;margin-top:20px;font-size:.9rem;color:var(--text-muted)}.auth-link{color:var(--primary);font-weight:600}.auth-link:hover{text-decoration:underline}.modal-actions{display:flex;gap:10px;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.event-allday-label{display:flex;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:.9rem}.calendar-page{position:relative;min-height:calc(100vh - 160px)}.calendar-header{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.calendar-title{font-size:1.4rem;font-weight:800;text-transform:capitalize}.calendar-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.view-switcher{display:flex;background:var(--bg);border-radius:var(--radius-sm);padding:3px;border:1px solid var(--border)}.view-btn{padding:6px 14px;border-radius:6px;font-size:.85rem;font-weight:600;color:var(--text-muted);background:none;border:none;cursor:pointer;transition:all .15s}.view-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow)}.nav-btns{display:flex;gap:6px;align-items:center}.nav-btn{padding:6px 12px;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;background:var(--surface);border:1px solid var(--border);cursor:pointer;transition:all .15s}.nav-btn:hover{background:var(--bg)}.today-btn{font-size:.8rem;color:var(--primary)}.category-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.cat-btn{padding:5px 12px;border-radius:20px;font-size:.8rem;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:all .15s}.cat-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.month-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.weekday-header{background:var(--bg);padding:8px 4px;text-align:center;font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase}.day-cell{background:var(--surface);padding:6px 4px;min-height:80px;cursor:pointer;transition:background .1s}.day-cell:hover{background:#f1f5f9}.day-cell.outside{opacity:.4}.day-cell.today .day-num{background:var(--primary);color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.day-num{font-size:.85rem;font-weight:600;margin-bottom:4px;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px}.day-events{display:flex;flex-direction:column;gap:2px}.event-chip{font-size:.7rem;color:#fff;padding:2px 5px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;font-weight:500}.event-chip:hover{opacity:.85}.more-events{font-size:.7rem;color:var(--text-muted);padding-left:4px}.week-view{display:flex;flex-direction:column;gap:12px}.week-day{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;cursor:pointer}.week-day.today{border-color:var(--primary)}.week-day-header{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg);border-bottom:1px solid var(--border)}.week-day.today .week-day-header{background:#4f46e50f}.week-day-name{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:capitalize}.week-day-num{font-size:1rem;font-weight:700}.today-circle{background:var(--primary);color:#fff;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.week-day-events{padding:10px 14px;display:flex;flex-direction:column;gap:8px}.no-events{font-size:.85rem;color:var(--text-muted);font-style:italic}.week-event-item{display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-left:3px solid var(--primary);background:var(--bg);border-radius:0 var(--radius-sm) var(--radius-sm) 0;cursor:pointer}.week-event-item:hover{background:#f1f5f9}.week-event-title{font-weight:600;font-size:.9rem}.week-event-time{font-size:.78rem;color:var(--text-muted)}.week-event-cat{font-size:.75rem;font-weight:600;margin-top:2px}.fab{position:fixed;bottom:80px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.8rem;font-weight:300;box-shadow:0 4px 14px #4f46e566;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s,box-shadow .15s;z-index:50}.fab:hover{transform:scale(1.08);box-shadow:0 6px 20px #4f46e580}.shopping-page{max-width:900px}.shopping-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.shopping-header h1{font-size:1.4rem;font-weight:800}.list-type-filter{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.type-btn{padding:6px 14px;border-radius:20px;font-size:.85rem;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:all .15s}.type-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.shopping-layout{display:flex;gap:20px;align-items:flex-start}.list-sidebar{flex:0 0 220px;display:flex;flex-direction:column;gap:8px}@media (max-width: 600px){.shopping-layout{flex-direction:column}.list-sidebar{flex:none;width:100%;flex-direction:row;flex-wrap:wrap}}.list-item{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;transition:all .15s}.list-item:hover{border-color:var(--primary-light)}.list-item.active{border-color:var(--primary);background:#4f46e50d}.list-icon{font-size:1.2rem}.list-info{display:flex;flex-direction:column;gap:2px;min-width:0}.list-name{font-weight:600;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-meta{font-size:.75rem;color:var(--text-muted)}.list-detail{flex:1;min-width:0}.list-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.list-detail-header h2{font-size:1.2rem;font-weight:700;margin-bottom:4px}.list-badge{font-size:.8rem;color:var(--text-muted)}.list-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.item-cat-filter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.cat-chip{padding:4px 10px;border-radius:16px;font-size:.75rem;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:all .15s}.cat-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.add-item-form{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;align-items:center}.add-item-form .input{flex:1;min-width:120px}.items-list{display:flex;flex-direction:column;gap:6px}.item-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);transition:opacity .15s}.item-row.checked{opacity:.5;background:var(--bg)}.item-info{flex:1;display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}.item-name{font-weight:500;font-size:.95rem}.item-row.checked .item-name{text-decoration:line-through;color:var(--text-muted)}.item-qty{font-size:.8rem;color:var(--text-muted);background:var(--bg);padding:2px 8px;border-radius:10px}.item-cat-tag{font-size:.75rem;color:var(--primary);font-weight:600;background:#4f46e514;padding:2px 8px;border-radius:10px}.item-delete{font-size:1.2rem;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:2px 6px;border-radius:4px;line-height:1;opacity:0;transition:opacity .15s}.item-row:hover .item-delete{opacity:1}.item-delete:hover{color:var(--danger);background:#ef44441a}.checked-divider{font-size:.8rem;font-weight:600;color:var(--text-muted);padding:8px 0 4px;border-top:1px dashed var(--border);margin-top:8px}.no-list-selected{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:200px;color:var(--text-muted);font-size:.95rem}.no-list-selected span{font-size:3rem}.empty-state{text-align:center;color:var(--text-muted);padding:20px;font-size:.9rem}.type-selector{display:flex;flex-direction:column;gap:8px}.type-option{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);border:2px solid var(--border);cursor:pointer;font-weight:500;transition:all .15s}.type-option input{display:none}.type-option.active{border-color:var(--primary);background:#4f46e50f;color:var(--primary)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #4f46e5;--primary-dark: #3730a3;--primary-light: #818cf8;--secondary: #06b6d4;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}button{cursor:pointer;font-family:inherit;border:none;background:none}input,select,textarea{font-family:inherit;font-size:1rem}a{color:inherit;text-decoration:none}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;transition:background .15s,transform .1s;cursor:pointer;border:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:.8rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;transition:border-color .15s;background:var(--surface);color:var(--text)}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}.label{display:block;font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.form-group{margin-bottom:16px}.error-msg{color:var(--danger);font-size:.85rem;margin-top:4px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600}.spinner{display:flex;justify-content:center;align-items:center;min-height:200px}.spinner:after{content:"";width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal{background:var(--surface);border-radius:var(--radius);padding:28px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:1.2rem;font-weight:700}.modal-close{font-size:1.4rem;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm)}.modal-close:hover{background:var(--bg)}.checkbox{width:20px;height:20px;border-radius:6px;border:2px solid var(--border);cursor:pointer;flex-shrink:0;accent-color:var(--primary)}