:root{--bg: #f6f4ef;--card: #ffffff;--text: #2b2b2b;--text-soft: #7a7a72;--primary: #4f8a6d;--primary-soft: #e3efe8;--accent: #f0b24a;--danger: #d95f4c;--danger-soft: #fbe9e5;--border: #e6e2d8;--shadow: 0 2px 8px rgba(60, 60, 40, .08);--radius: 16px;--nav-h: 64px}[data-theme=dark]{--bg: #1c1c1e;--card: #2a2a2d;--text: #f0efeb;--text-soft: #a5a49c;--primary: #6fae8e;--primary-soft: #2e3f37;--accent: #e0a94e;--danger: #e5745f;--danger-soft: #4a2e28;--border: #3a3a3e;--shadow: 0 2px 8px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html{font-size:calc(16px * var(--font-scale, 1))}body{margin:0;font-family:Segoe UI,Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}.app{max-width:640px;margin:0 auto;min-height:100vh;padding-bottom:calc(var(--nav-h) + 24px + env(safe-area-inset-bottom))}.page{padding:16px}.page-title{font-size:1.4rem;font-weight:700;margin:8px 4px 16px;display:flex;align-items:center;gap:8px}.nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:space-around;z-index:20}.nav-btn{flex:1;max-width:160px;background:none;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--text-soft);font-size:.75rem;position:relative}.nav-btn.active{color:var(--primary);font-weight:700}.nav-btn .icon{font-size:1.5rem;line-height:1}.nav-badge{position:absolute;top:6px;right:calc(50% - 22px);background:var(--danger);color:#fff;font-size:.65rem;font-weight:700;border-radius:999px;min-width:17px;height:17px;display:flex;align-items:center;justify-content:center;padding:0 4px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:14px;margin-bottom:12px}.item-card{display:flex;gap:12px;align-items:center}.item-photo{position:relative;width:64px;height:64px;border-radius:12px;overflow:hidden;background:var(--primary-soft);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.8rem;cursor:pointer}.item-photo img{width:100%;height:100%;object-fit:cover}.item-main{flex:1;min-width:0}.item-name{font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.item-sub{color:var(--text-soft);font-size:.85rem;margin-top:2px;display:flex;gap:10px;flex-wrap:wrap}.item-qty{display:flex;flex-direction:column;align-items:center;gap:4px}.qty-controls{display:flex;align-items:center;gap:8px}.qty-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--bg);cursor:pointer;font-size:1.2rem;font-weight:700;display:flex;align-items:center;justify-content:center;transition:background .15s}.qty-btn:active{background:var(--primary-soft)}.qty-num{font-size:1.2rem;font-weight:700;min-width:2ch;text-align:center}.qty-num.low{color:var(--danger)}.tag{font-size:.7rem;padding:2px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-weight:600;white-space:nowrap}.tag.low{background:var(--danger-soft);color:var(--danger)}.tag.shared{background:var(--accent);color:#fff}.chip-row{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:thin;scrollbar-color:var(--text-soft) transparent}.chip-row::-webkit-scrollbar{height:6px}.chip-row::-webkit-scrollbar-thumb{background:var(--text-soft);border-radius:999px}.chip-row::-webkit-scrollbar-track{background:transparent}.chip{border:1px solid var(--border);background:var(--card);border-radius:999px;padding:6px 14px;cursor:pointer;white-space:nowrap;color:var(--text-soft);font-size:.9rem}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}.btn{border:none;border-radius:12px;padding:12px 18px;cursor:pointer;font-weight:700;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--primary-soft);color:var(--primary)}.btn.danger{background:var(--danger-soft);color:var(--danger)}.btn.ghost{background:none;color:var(--text-soft)}.btn.block{width:100%}.btn.small{padding:8px 12px;font-size:.85rem;border-radius:10px}.fab{position:fixed;right:calc(50% - 300px);bottom:calc(var(--nav-h) + 20px + env(safe-area-inset-bottom));width:58px;height:58px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.9rem;border:none;cursor:pointer;box-shadow:0 4px 14px #00000040;z-index:21;display:flex;align-items:center;justify-content:center}@media (max-width: 680px){.fab{right:20px}}.field{margin-bottom:14px}.field label{display:block;font-size:.85rem;font-weight:600;color:var(--text-soft);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--border);background:var(--bg);outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}.field-row{display:flex;gap:10px}.field-row .field{flex:1}.seg{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}.seg button{flex:1;padding:10px;border:none;background:none;cursor:pointer;color:var(--text-soft)}.seg button.active{background:var(--primary);color:#fff;font-weight:700}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:50;display:flex;align-items:flex-end;justify-content:center}.modal{background:var(--card);width:100%;max-width:640px;max-height:92vh;overflow-y:auto;border-radius:20px 20px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));animation:slideUp .22s ease}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-title{font-size:1.15rem;font-weight:700;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}.photo-box{width:100%;height:160px;border-radius:var(--radius);border:2px dashed var(--border);background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;color:var(--text-soft);overflow:hidden;position:relative}.photo-box img{width:100%;height:100%;object-fit:cover}.photo-nav{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:none;background:#00000073;color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2}.photo-nav.prev{left:8px}.photo-nav.next{right:8px}.photo-counter{position:absolute;top:8px;right:8px;background:#0000008c;color:#fff;font-size:.75rem;font-weight:700;padding:3px 9px;border-radius:999px;z-index:2}.dots{display:flex;justify-content:center;gap:8px;margin-top:8px}.dot{width:10px;height:10px;border-radius:50%;border:none;background:var(--border);cursor:pointer;padding:0}.dot.active{background:var(--primary)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e0;z-index:70;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:16px}.lightbox img{max-width:94vw;max-height:72vh;border-radius:12px;object-fit:contain}.lightbox .photo-nav{top:45%}.lightbox-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}.photo-count{position:absolute;right:3px;bottom:3px;background:#0000008c;color:#fff;font-size:.65rem;font-weight:700;padding:1px 6px;border-radius:999px}.stepper{display:flex;align-items:center;gap:8px}.stepper input{flex:1;min-width:0;text-align:center;padding:8px 6px;border-radius:12px;border:1px solid var(--border);background:var(--bg);font-weight:700;outline:none}.stepper input:focus{border-color:var(--primary)}.stepper .qty-btn{flex-shrink:0}.avatar-btn{width:48px;height:48px;border-radius:50%;border:2px solid var(--border);background:var(--bg);font-size:1.5rem;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}.avatar-btn:hover{border-color:var(--primary)}.qr-video{width:min(90vw,420px);max-height:60vh;border-radius:16px;background:#000;object-fit:cover}.item-wrap{margin-bottom:12px}.item-wrap .item-card{margin-bottom:0}.item-card{position:relative}.item-card.with-price{padding-left:46px}.price-toggle{position:absolute;left:0;top:0;bottom:0;width:34px;border:none;border-right:1px solid var(--border);border-radius:var(--radius) 0 0 var(--radius);background:var(--primary-soft);color:var(--primary);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.price-toggle.open{background:var(--primary);color:#fff}.price-panel{margin-top:4px;border-top-left-radius:6px;border-top-right-radius:6px;padding:10px 12px}.price-panel .price-row{margin-bottom:8px}.price-row{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:10px;cursor:pointer}.price-row:hover{border-color:var(--primary)}.price-thumb{width:44px;height:44px;border-radius:10px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;overflow:hidden}.price-thumb img{width:100%;height:100%;object-fit:cover}.price-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;align-items:flex-start}.price-name{font-size:.85rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.price-amount{color:var(--danger);white-space:nowrap}.modal-title.sticky-head{position:sticky;top:-20px;background:var(--card);z-index:5;padding:14px 0 10px;margin-top:-14px;border-bottom:1px solid var(--border)}.empty{text-align:center;color:var(--text-soft);padding:48px 16px}.empty .big{font-size:3rem;margin-bottom:10px}.member-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.member-pill{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:5px 12px;font-size:.9rem}.member-id{font-size:.7rem;color:var(--text-soft);font-family:Consolas,monospace;letter-spacing:.5px}.member-remove{border:none;background:none;color:var(--danger);font-weight:700;cursor:pointer;padding:0 2px;font-size:.9rem}.qr-box{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px;background:#fff;border-radius:var(--radius)}.toast{position:fixed;bottom:calc(var(--nav-h) + 76px);left:50%;transform:translate(-50%);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:.9rem;z-index:99;box-shadow:var(--shadow);animation:slideUp .2s ease;max-width:90vw}.row{display:flex;align-items:center;gap:10px}.row.between{justify-content:space-between}.muted{color:var(--text-soft);font-size:.85rem}.spin{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}