:root{--bg:#f8f9fa;--surface:#ffffff;--primary:#2e7d32;--primary-light:#e8f5e9;--accent:#f57c00;--accent-light:#fff3e0;--text:#1a1a1a;--text-sub:#6b7280;--border:#e5e7eb;--tab-h:64px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,sans-serif;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{display:none}.app-container{max-width:480px;margin:0 auto;min-height:100dvh;position:relative;background:var(--bg)}.app-header{background:var(--primary);color:white;padding:16px 16px 12px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-header h1{font-size:18px;font-weight:700;margin:0;letter-spacing:.02em}.app-header p{font-size:12px;margin:2px 0 0;opacity:.8}.tab-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:var(--surface);border-top:1px solid var(--border);display:flex;height:var(--tab-h);z-index:20;padding-bottom:env(safe-area-inset-bottom)}.tab-btn{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:none;background:none;cursor:pointer;padding:8px 4px;color:var(--text-sub);font-size:11px;font-weight:500;transition:color .15s;-webkit-tap-highlight-color:transparent}.tab-btn .tab-icon{font-size:24px;line-height:1}.tab-btn.active{color:var(--primary)}.tab-btn.active .tab-icon{transform:scale(1.1)}.content{padding:16px 16px calc(var(--tab-h) + 16px + env(safe-area-inset-bottom))}.card{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.06)}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:white;border:none;border-radius:10px;padding:14px 20px;font-size:15px;font-weight:600;cursor:pointer;width:100%;-webkit-tap-highlight-color:transparent;transition:opacity .15s}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-primary:not(:disabled):active{opacity:.85}.btn-secondary{justify-content:center;gap:8px;background:var(--surface);color:var(--primary);border:2px solid var(--primary);border-radius:10px;padding:12px 20px;font-size:14px;font-weight:600;width:100%}.btn-danger,.btn-secondary{display:flex;align-items:center;cursor:pointer;-webkit-tap-highlight-color:transparent}.btn-danger{background:none;border:none;color:#ef4444;padding:6px;border-radius:6px;font-size:16px}.input-row{display:flex;gap:8px}.input-text{flex:1 1;border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font-size:16px;outline:none;background:var(--surface);color:var(--text)}.input-text:focus{border-color:var(--primary)}.chip{display:inline-flex;align-items:center;gap:4px;background:var(--primary-light);color:var(--primary);border-radius:20px;padding:6px 10px;font-size:13px;font-weight:500;cursor:pointer;border:none;-webkit-tap-highlight-color:transparent;transition:background .1s}.chip:active{background:#c8e6c9}.chip-selected{background:var(--primary);color:white}.food-tag{display:inline-flex;align-items:center;gap:4px;background:var(--primary-light);border-radius:8px;padding:5px 10px;font-size:13px;color:#1b5e20}.food-tag button{background:none;border:none;cursor:pointer;color:#4caf50;padding:0 0 0 2px;line-height:1}.category-header,.food-tag button{font-size:14px;display:flex;align-items:center}.category-header{gap:8px;margin:20px 0 10px;font-weight:700;color:var(--text-sub)}.meal-card{background:var(--surface);border-radius:12px;padding:14px;margin-bottom:8px;display:flex;align-items:flex-start;gap:12px;box-shadow:0 1px 3px rgba(0,0,0,.06)}.meal-day-badge{background:var(--primary);color:white;border-radius:8px;padding:4px 10px;font-size:12px;font-weight:700;white-space:nowrap;flex-shrink:0;text-align:center;min-width:48px}.meal-day-badge.sunday{background:#d32f2f}.meal-dinner{flex:1 1}.meal-dinner-name{font-size:16px;font-weight:600;margin-bottom:2px}.meal-dinner-notes{font-size:12px;color:var(--text-sub)}.shopping-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.shopping-item:last-child{border-bottom:none}.shopping-item input[type=checkbox]{width:24px;height:24px;cursor:pointer;accent-color:var(--primary);flex-shrink:0}.shopping-item-name{font-size:16px;flex:1 1}.shopping-item.checked .shopping-item-name{text-decoration:line-through;color:var(--text-sub)}.loading-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:100;color:white;gap:16px}.spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.3);border-top-color:white;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.loading-text{font-size:15px;font-weight:500}.image-preview{width:100%;border-radius:10px;object-fit:cover;max-height:240px}.recognized-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}.recognized-item:last-child{border-bottom:none}.section-title{font-size:15px;font-weight:700;margin:0 0 12px;color:var(--text)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-sub)}.empty-state-icon{font-size:48px;margin-bottom:12px}.empty-state-text{font-size:14px;line-height:1.6}.select-input{border:1.5px solid var(--border);border-radius:10px;padding:10px 14px;font-size:14px;background:var(--surface);color:var(--text);outline:none;width:100%}.select-input:focus{border-color:var(--primary)}.info-banner{background:var(--accent-light);border-left:4px solid var(--accent);border-radius:8px;padding:10px 12px;font-size:13px;color:#5d4037;margin-bottom:12px}.flex-wrap{display:flex;flex-wrap:wrap;gap:8px}