*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--surface: #ffffff;--border: #e0e0e0;--text-primary: #202124;--text-secondary: #5f6368;--text-hint: #9aa0a6;--accent: #1a73e8;--accent-hover: #1557b0;--danger: #d93025;--done-color: #9aa0a6;--radius: 12px;--shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.15);--shadow-lg: 0 8px 32px rgba(0,0,0,.2);--transition: .2s ease}body{font-family:Roboto,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.topbar{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);height:64px;display:flex;align-items:center;padding:0 24px;gap:16px}.topbar-logo{display:flex;align-items:center;gap:10px;font-family:Google Sans,sans-serif;font-size:22px;font-weight:500;color:var(--text-secondary);text-decoration:none}.topbar-logo svg{color:var(--accent)}.topbar-spacer{flex:1}.user-avatar{width:36px;height:36px;border-radius:50%;overflow:hidden;cursor:pointer;border:2px solid var(--border)}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-avatar-placeholder{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:500;font-size:14px;cursor:pointer}.user-menu{position:relative}.user-dropdown{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-md);min-width:200px;overflow:hidden;z-index:200}.user-dropdown-header{padding:16px;border-bottom:1px solid var(--border)}.user-dropdown-name{font-weight:500;font-size:14px}.user-dropdown-email{font-size:12px;color:var(--text-secondary);margin-top:2px}.user-dropdown-item{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;font-size:14px;transition:background var(--transition)}.user-dropdown-item:hover{background:var(--bg)}.home-container{max-width:1400px;margin:0 auto;padding:24px}.home-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.home-title{font-family:Google Sans,sans-serif;font-size:18px;color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;color:var(--accent);border:1px solid var(--border)}.btn-outline:hover{background:#e8f0fe}.btn-ghost{background:transparent;color:var(--text-secondary);padding:6px 10px}.btn-ghost:hover{background:var(--bg);color:var(--text-primary)}.btn-danger{background:transparent;color:var(--danger)}.btn-danger:hover{background:#fce8e6}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.cards-grid{columns:4 280px;gap:16px}.week-card{break-inside:avoid;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px;cursor:pointer;transition:box-shadow var(--transition),transform var(--transition);position:relative;overflow:hidden}.week-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-accent, var(--border));border-radius:var(--radius) var(--radius) 0 0}.week-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.week-card-header{margin-bottom:12px}.week-card-title{font-family:Google Sans,sans-serif;font-size:15px;font-weight:500;color:var(--text-primary)}.week-card-dates{font-size:12px;color:var(--text-secondary);margin-top:2px}.week-card-progress{display:flex;align-items:center;gap:8px;margin:10px 0}.progress-bar{flex:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.progress-text{font-size:11px;color:var(--text-secondary);white-space:nowrap}.week-card-preview{list-style:none;margin-top:8px}.week-card-preview-item{display:flex;align-items:center;gap:8px;font-size:13px;padding:3px 0;color:var(--text-primary)}.week-card-preview-item.done{text-decoration:line-through;color:var(--done-color)}.check-icon{width:14px;height:14px;flex-shrink:0;color:var(--done-color)}.check-icon-empty{color:var(--border)}.week-card-more{font-size:12px;color:var(--text-hint);margin-top:6px;padding-top:6px;border-top:1px solid var(--bg)}.week-card-empty{font-size:13px;color:var(--text-hint);font-style:italic}.category-chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:10px}.category-chip{font-size:11px;padding:2px 8px;border-radius:12px;font-weight:500}.current-week-badge{font-size:11px;font-weight:500;background:#e8f0fe;color:var(--accent);padding:2px 8px;border-radius:12px;margin-left:8px}.fab{position:fixed;bottom:32px;right:32px;width:56px;height:56px;border-radius:16px;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:all var(--transition);font-size:24px;z-index:50}.fab:hover{background:var(--accent-hover);box-shadow:var(--shadow-lg);transform:scale(1.05)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:480px;overflow:hidden;animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.modal-title{font-family:Google Sans,sans-serif;font-size:18px;font-weight:500}.modal-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background var(--transition)}.modal-close:hover{background:var(--bg)}.modal-body{padding:20px 24px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--border);background:var(--bg)}.detail-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:stretch;justify-content:flex-end;z-index:200;animation:fadeIn .15s ease}.detail-panel{background:var(--surface);width:min(600px,100vw);display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:slideInRight .25s ease}@keyframes slideInRight{0%{transform:translate(40px);opacity:0}to{transform:translate(0);opacity:1}}.detail-header{padding:20px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:10}.detail-header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.detail-title{font-family:Google Sans,sans-serif;font-size:20px;font-weight:500}.detail-subtitle{font-size:13px;color:var(--text-secondary);margin-top:4px}.detail-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.detail-body{flex:1;overflow-y:auto;padding:16px 24px}.detail-footer{border-top:1px solid var(--border);padding:16px 24px;background:var(--surface)}.category-group{margin-bottom:20px}.category-group-title{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:6px}.category-dot{width:8px;height:8px;border-radius:50%}.item-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;transition:background var(--transition);group:true}.item-row:hover{background:var(--bg)}.item-checkbox{width:18px;height:18px;flex-shrink:0;cursor:pointer;accent-color:var(--accent)}.item-name{flex:1;font-size:14px;color:var(--text-primary)}.item-row.done .item-name{text-decoration:line-through;color:var(--done-color)}.item-quantity{font-size:12px;color:var(--text-secondary);white-space:nowrap;padding:2px 8px;background:var(--bg);border-radius:4px}.item-delete{opacity:0;background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.item-row:hover .item-delete{opacity:1}.item-delete:hover{background:#fce8e6;color:var(--danger)}.add-form{display:flex;flex-direction:column;gap:10px}.add-form-row{display:flex;gap:8px}.form-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text-primary);background:var(--surface);transition:border-color var(--transition);outline:none}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-hint)}.form-select{padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text-primary);background:var(--surface);cursor:pointer;outline:none}.form-select:focus{border-color:var(--accent)}.category-selector{display:flex;flex-wrap:wrap;gap:6px}.category-btn{padding:4px 12px;border-radius:16px;border:1.5px solid transparent;font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition)}.category-btn.selected{border-color:var(--text-primary)}.week-input-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.week-input-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.copy-source-group{background:var(--bg);border-radius:8px;padding:12px 16px;margin-top:8px}.copy-source-group label{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.copy-source-select{margin-top:10px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f0fe,#f1f3f4)}.login-card{background:var(--surface);border-radius:20px;padding:48px 40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);text-align:center}.login-icon{width:72px;height:72px;background:#e8f0fe;border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:var(--accent)}.login-title{font-family:Google Sans,sans-serif;font-size:28px;font-weight:500;color:var(--text-primary);margin-bottom:8px}.login-subtitle{font-size:15px;color:var(--text-secondary);margin-bottom:32px;line-height:1.5}.google-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 20px;background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:15px;font-weight:500;color:var(--text-primary);cursor:pointer;text-decoration:none;transition:all var(--transition);box-shadow:var(--shadow-sm)}.google-btn:hover{box-shadow:var(--shadow-md);border-color:#dadce0}.empty-state{text-align:center;padding:64px 24px;color:var(--text-secondary)}.empty-state-icon{font-size:64px;margin-bottom:16px}.empty-state-title{font-family:Google Sans,sans-serif;font-size:20px;color:var(--text-primary);margin-bottom:8px}.empty-state-text{font-size:15px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.divider{height:1px;background:var(--border);margin:16px 0}.badge{display:inline-block;font-size:11px;font-weight:500;padding:2px 8px;border-radius:12px}.loading-items{display:flex;flex-direction:column;gap:8px}.skeleton{height:36px;background:linear-gradient(90deg,var(--bg) 25%,var(--border) 50%,var(--bg) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.online-indicator{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-hint)}.online-dot{width:8px;height:8px;border-radius:50%;background:#34a853}