:root{color-scheme:light;--bg: #f7f5f0;--surface: #ffffff;--text: #2b2926;--text-muted: #6b6660;--border: #e2ddd4;--primary: #d2691e;--primary-dark: #b5540f;--accent: #4a7c59;--danger: #c0392b;--favorite: #e0a800;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}#root{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:.5rem;position:sticky;top:0;z-index:10}.app-title{font-size:1.1rem;font-weight:700;color:var(--primary-dark);white-space:nowrap}.app-user{font-size:.85rem;color:var(--text-muted)}.tabs{display:flex;gap:.25rem;background:var(--surface);border-bottom:1px solid var(--border);padding:0 .5rem;overflow-x:auto}.tab-btn{border:none;background:none;padding:.85rem 1rem;font-size:.95rem;color:var(--text-muted);cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}.tab-btn.active{color:var(--primary-dark);border-bottom-color:var(--primary);font-weight:700}.main-content{flex:1;width:100%;max-width:640px;margin:0 auto;padding:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1rem;margin-bottom:1rem}h1,h2,h3{margin-top:0}label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:.3rem}input[type=text],input[type=password],select,textarea{width:100%;padding:.6rem .7rem;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-family:inherit}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:1px}.field{margin-bottom:.85rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.1rem;font-size:.95rem;border-radius:8px;border:none;cursor:pointer;background:var(--primary);color:#fff;font-weight:600}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:transparent;color:var(--primary-dark);border:1px solid var(--primary)}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-block{width:100%}.ingredient-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin:.5rem 0}.tag{display:inline-flex;align-items:center;gap:.35rem;background:#fdf1e6;color:var(--primary-dark);border:1px solid #f0d3b3;border-radius:999px;padding:.3rem .7rem;font-size:.9rem}.tag button{border:none;background:none;color:inherit;cursor:pointer;font-size:.9rem;line-height:1;padding:0}.error-box{background:#fdecea;border:1px solid #f5c6cb;color:var(--danger);padding:.6rem .8rem;border-radius:8px;font-size:.9rem;margin-bottom:.85rem}.hint{font-size:.8rem;color:var(--text-muted);line-height:1.5}.auth-toggle{text-align:center;margin-top:.75rem;font-size:.9rem}.auth-toggle button{background:none;border:none;color:var(--primary-dark);cursor:pointer;font-weight:600;text-decoration:underline;padding:0}.dish-list{list-style:none;padding:0;margin:.75rem 0 0;display:flex;flex-direction:column;gap:.5rem}.dish-item{padding:.6rem .75rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.dish-item-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.dish-name{font-weight:600}.dish-link{font-size:.85rem;color:var(--primary-dark);text-decoration:none;white-space:nowrap}.recipe-link{display:block;margin-top:.4rem;font-weight:600;color:var(--primary-dark);text-decoration:none;word-break:break-word}.recipe-link:hover,.dish-link:hover{text-decoration:underline}.added-ingredients{margin:.35rem 0 0;font-size:.8rem;color:var(--text-muted)}.history-item{border:1px solid var(--border);border-radius:10px;padding:.85rem;margin-bottom:.75rem;background:var(--surface)}.history-item-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem;margin-bottom:.35rem}.history-meta{font-size:.8rem;color:var(--text-muted)}.history-username{font-weight:700;color:var(--accent);font-size:.85rem}.fav-btn{border:none;background:none;cursor:pointer;font-size:1.3rem;line-height:1;padding:.1rem .3rem;color:var(--border)}.fav-btn.active{color:var(--favorite)}.history-actions{display:flex;align-items:center;gap:.15rem;flex-shrink:0}.delete-btn{border:none;background:none;cursor:pointer;font-size:1.05rem;line-height:1;padding:.1rem .3rem;color:var(--text-muted)}.delete-btn:hover{color:var(--danger)}.delete-btn:disabled{opacity:.5;cursor:not-allowed}.filter-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.85rem}.toggle-switch{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.9rem;-webkit-user-select:none;user-select:none}.member-list{list-style:none;padding:0;margin:0 0 1rem}.member-list li{padding:.55rem .2rem;border-bottom:1px solid var(--border);font-size:.95rem}.member-list li:last-child{border-bottom:none}.empty-state{text-align:center;color:var(--text-muted);padding:2rem 1rem;font-size:.9rem}.fridge-item-list{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-direction:column;gap:.4rem}.fridge-item-row{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.fridge-item-name{font-weight:600;flex:1}.fridge-item-meta{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.fridge-picker{display:flex;flex-wrap:wrap;gap:.4rem;margin:.5rem 0}.fridge-chip{border:1px solid var(--primary);background:var(--surface);color:var(--primary-dark);border-radius:999px;padding:.3rem .8rem;font-size:.9rem;cursor:pointer}.fridge-chip.selected{background:var(--primary);color:#fff}.collapsible-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.3rem}.collapsible-header label{margin-bottom:0}.collapse-toggle{border:1px solid var(--primary);background:var(--surface);color:var(--primary-dark);border-radius:6px;width:1.8rem;height:1.8rem;line-height:1;font-size:1rem;font-weight:700;cursor:pointer;flex-shrink:0}.checkbox-label{display:flex;align-items:center;gap:.5rem;margin-top:.6rem;font-size:.9rem;color:var(--text);cursor:pointer}.checkbox-label input{width:auto}.loading-text{color:var(--text-muted);font-size:.9rem}.add-form{display:flex;gap:.5rem;align-items:flex-end}.add-form .field{flex:1;margin-bottom:0}@media (max-width: 480px){.app-title{font-size:1rem}.add-form{flex-direction:column;align-items:stretch}}