:root{--bg: #f7f5f0;--surface: #ffffff;--surface2: #f0ede8;--border: #ddd8d0;--accent: #c84b2f;--accent2: #2f7bc8;--text: #1a1a1a;--muted: #888880;--danger: #c84b2f;--green: #2a8a4a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Noto Sans TC,sans-serif;min-height:100vh;padding:28px max(16px,env(safe-area-inset-right)) max(60px,calc(40px + env(safe-area-inset-bottom))) max(16px,env(safe-area-inset-left));max-width:680px;margin:0 auto}#setupScreen{display:block}#mainScreen{display:none}.logo{font-family:Space Mono,monospace;font-size:1.8rem;letter-spacing:-1px;color:var(--accent);margin-bottom:4px}.hero{text-align:center;padding:36px 16px 28px;margin-bottom:12px}.hero-badge{display:inline-block;font-size:.7rem;letter-spacing:2px;text-transform:uppercase;color:var(--accent);background:#c84b2f12;border:1px solid rgba(200,75,47,.2);border-radius:20px;padding:4px 14px;margin-bottom:18px}.hero-logo{display:block;width:200px;max-width:75%;margin:0 auto 10px}.topbar-logo{height:100px;width:auto}.hero-headline{font-size:1.45rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:10px}.hero-sub{font-size:.88rem;color:var(--muted);line-height:1.7;margin-bottom:22px}.hero-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.hero-chip{font-size:.78rem;padding:5px 13px;border-radius:20px;background:var(--surface);border:1.5px solid var(--border);color:var(--text)}.setup-card{background:var(--surface);border:1.5px solid var(--border);border-radius:16px;padding:28px 24px;margin-bottom:16px}.setup-card h2{font-size:.78rem;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin-bottom:18px}.name-grid{display:flex;flex-direction:column;gap:10px}.name-field{display:flex;align-items:center;gap:8px}.name-input-wrap{position:relative;flex:1}.name-input-wrap .num{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Space Mono,monospace;font-size:.7rem;font-weight:700;color:#fff}.name-input-wrap input[type=text]{width:100%;padding:10px 12px 10px 42px!important;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-family:Noto Sans TC,sans-serif;font-size:.95rem;outline:none;transition:border-color .2s}.name-input-wrap input[type=text]:focus{border-color:var(--accent)}.btn-remove{background:none;border:1.5px solid var(--border);border-radius:8px;color:var(--muted);cursor:pointer;font-size:.82rem;width:44px;height:44px;padding:0;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .15s}.btn-remove:hover{border-color:var(--danger);color:var(--danger)}.btn-add-member{width:100%;padding:9px;margin-top:4px;background:none;border:1.5px dashed var(--border);border-radius:10px;color:var(--muted);cursor:pointer;font-size:.85rem;font-family:Noto Sans TC,sans-serif;transition:all .15s}.btn-add-member:hover{border-color:var(--accent2);color:var(--accent2)}.p-check{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:6px;cursor:pointer;font-size:.85rem;border:1.5px solid var(--border);background:var(--surface2);-webkit-user-select:none;user-select:none;transition:all .15s;margin:3px}.p-check.on{border-color:var(--accent2);background:#2f7bc814;color:var(--accent2)}.btn-start{width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;font-family:Noto Sans TC,sans-serif;cursor:pointer;margin-top:8px;letter-spacing:1px;transition:opacity .2s}.btn-start:hover{opacity:.85}.share-banner{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--border);border-radius:10px;padding:10px 14px;margin-bottom:16px}.sync-status{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--muted);margin-bottom:12px;padding:0 2px}.sync-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.sync-dot--on{background:#2a8a4a;box-shadow:0 0 0 2px #2a8a4a33}.sync-dot--off{background:#888}.sync-resume{background:none;border:1px solid var(--border);border-radius:6px;color:var(--muted);font-size:.72rem;padding:2px 8px;cursor:pointer;margin-left:4px}.sync-resume:hover{color:var(--text);border-color:var(--text)}.topbar{display:flex;align-items:center;gap:10px;margin-bottom:22px}.topbar .title{font-family:Space Mono,monospace;font-size:1.1rem;letter-spacing:-1px;flex:1}.member-pills{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}.mpill{display:inline-flex;align-items:center;gap:5px;font-size:.8rem;padding:3px 10px;border-radius:20px;font-weight:500;color:#fff}.back-btn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.82rem;text-decoration:underline;flex-shrink:0;padding:10px 8px}.card{background:var(--surface);border:1.5px solid var(--border);border-radius:14px;padding:20px;margin-bottom:14px}.card-title{font-size:.75rem;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin-bottom:16px;font-weight:500}.form-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.form-field{display:flex;flex-direction:column;gap:4px}.form-field label{font-size:.75rem;color:var(--muted)}.form-field.grow{flex:1;min-width:120px}.quick-expense-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.quick-expense-btn{padding:10px 16px;border-radius:8px;font-size:.95rem;background:var(--surface2);border:1.5px solid var(--border);cursor:pointer;color:var(--text);transition:all .15s;-webkit-user-select:none;user-select:none;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;min-height:44px}.quick-expense-btn:hover{border-color:var(--accent2);background:#2f7bc80d;transform:translateY(-1px)}.quick-expense-btn:active{transform:translateY(0);background:#2f7bc81f}input[type=text],input[type=number],select{background:var(--surface2);border:1.5px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-family:Noto Sans TC,sans-serif;font-size:.9rem;outline:none;transition:border-color .2s}input:focus,select:focus{border-color:var(--accent2)}select{cursor:pointer}.payer-pills{display:flex;flex-wrap:wrap;gap:4px}.payer-pill{display:inline-flex;align-items:center;padding:5px 14px;border-radius:20px;cursor:pointer;font-size:.85rem;font-weight:500;border:1.5px solid var(--border);background:var(--surface2);-webkit-user-select:none;user-select:none;transition:background .15s,color .15s,border-color .15s}.rate-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.rate-item{display:flex;flex-direction:column;gap:4px}.rate-item label{font-size:.72rem;color:var(--muted)}.rate-item input{width:90px}.split-tabs{display:flex;gap:4px;margin-bottom:10px}.stab{padding:5px 14px;border-radius:6px;font-size:.8rem;background:var(--surface2);border:1.5px solid var(--border);cursor:pointer;color:var(--muted);transition:all .15s;-webkit-user-select:none;user-select:none}.stab.active{background:var(--accent2);border-color:var(--accent2);color:#fff}.p-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.custom-amounts{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.camount{display:flex;align-items:center;gap:6px;font-size:.82rem}.camount input{width:80px}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:9px 18px;font-weight:700;font-family:Noto Sans TC,sans-serif;cursor:pointer;font-size:.9rem;transition:opacity .2s;white-space:nowrap}.btn:hover{opacity:.85}.expense-item{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}.expense-item:last-child{border-bottom:none}.expense-swipe-inner{display:flex;align-items:center;gap:10px;padding:11px 0;background:var(--surface);position:relative;z-index:1}.expense-swipe-action{position:absolute;right:0;top:0;bottom:0;width:152px;display:flex}.swipe-btn{width:76px;height:100%;display:flex;align-items:center;justify-content:center;font-size:.88rem;font-weight:700;font-family:Noto Sans TC,sans-serif;color:#fff;cursor:pointer}.swipe-edit{background:var(--accent2)}.swipe-delete{background:var(--danger)}@media(min-width:601px){.expense-swipe-action{display:none}}.exp-name{flex:1}.exp-name .ename{font-size:.92rem;font-weight:500}.exp-name .emeta-payer{display:flex;align-items:center;font-size:.76rem;margin-top:3px}.exp-name .emeta-label{color:var(--muted)}.exp-name .emeta-splits{font-size:.72rem;color:var(--muted);margin-top:1px;padding-left:1px}.exp-amt{font-family:Space Mono,monospace;font-weight:700;font-size:.95rem;color:var(--accent);text-align:right}.exp-amt .curr{font-size:.7rem;font-weight:400;color:var(--muted)}.exp-edit{background:none;border:none;color:var(--border);cursor:pointer;font-size:.88rem;min-width:36px;min-height:44px;padding:0 4px;display:inline-flex;align-items:center;justify-content:center;transition:color .15s}.exp-edit:hover{color:var(--accent2)}.exp-del{background:none;border:none;color:var(--border);cursor:pointer;font-size:1rem;min-width:44px;min-height:44px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center}.exp-del:hover{color:var(--danger)}.empty{color:var(--muted);font-size:.85rem;text-align:center;padding:18px 0}.member-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px}.msummary-card{background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;padding:12px}.msummary-card .mname{display:flex;align-items:center;gap:6px;font-size:.82rem;font-weight:700;margin-bottom:8px}.msummary-card .mrow{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-bottom:3px}.msummary-card .mval{font-family:Space Mono,monospace;color:var(--text)}.msummary-card .mbalance{margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-family:Space Mono,monospace;font-size:.9rem;font-weight:700;text-align:right}.pos{color:var(--green)}.neg{color:var(--danger)}.zero{color:var(--muted)}.settle-item{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1.5px solid var(--border);border-radius:8px;padding:11px 14px;margin-bottom:8px;font-size:.88rem}.settle-arrow{font-family:Space Mono,monospace;color:var(--muted)}.settle-amt{margin-left:auto;font-family:Space Mono,monospace;font-weight:700;color:var(--accent2)}.divider{border:none;border-top:1px solid var(--border);margin:14px 0}.total-line{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:var(--muted);margin-bottom:14px}.total-line span:last-child{font-family:Space Mono,monospace;color:var(--text);font-size:.9rem}@media(max-width:600px){.member-summary{grid-template-columns:1fr}.form-row{flex-direction:column}.form-field{width:100%}#expAmt{width:100%!important}.card>.btn{width:100%;padding:12px}.split-tabs{gap:6px}.stab{flex:1;text-align:center;padding:8px 6px}input[type=text],input[type=number],select{font-size:1rem}.exp-edit,.exp-del{display:none}.expense-swipe-inner{padding-right:14px}.quick-expense-buttons{gap:10px;display:grid;grid-template-columns:1fr 1fr}.quick-expense-btn{padding:14px 12px;font-size:1.05rem;min-height:52px;gap:8px;border-radius:10px;font-weight:500;justify-content:center;width:100%}.quick-expense-btn span:first-child{font-size:1.4rem}.payer-pill{font-size:.95rem;padding:7px 16px}}#toast-container{position:fixed;bottom:max(24px,calc(16px + env(safe-area-inset-bottom)));left:50%;transform:translate(-50%);display:flex;flex-direction:column-reverse;gap:8px;z-index:9999;pointer-events:none;width:max-content;max-width:calc(100vw - 32px)}.toast{background:var(--surface);border:1.5px solid var(--border);border-radius:10px;padding:10px 16px;font-size:.88rem;font-family:Noto Sans TC,sans-serif;color:var(--text);display:flex;align-items:center;gap:8px;box-shadow:0 4px 16px #00000014;animation:toast-in .2s ease;pointer-events:auto}.toast--success{border-color:var(--green)}.toast--success .toast-dot{background:var(--green)}.toast--error{border-color:var(--danger)}.toast--error .toast-dot{background:var(--danger)}.toast--info{border-color:var(--accent2)}.toast--info .toast-dot{background:var(--accent2)}.toast-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;background:var(--muted)}.toast.out{animation:toast-out .2s ease forwards}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(8px)}}.modal-overlay{position:fixed;inset:0;z-index:1000;background:#0006;display:flex;align-items:center;justify-content:center;padding:16px}.modal-content{background:var(--surface);border-radius:16px;border:1.5px solid var(--border);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;padding:24px;animation:modal-in .2s ease}.modal-drag-handle{display:none}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--muted)}.modal-close{background:none;border:1.5px solid var(--border);color:var(--muted);cursor:pointer;font-size:.9rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .15s}.modal-close:hover{border-color:var(--text);color:var(--text)}.modal-footer{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.btn-cancel{background:none;border:1.5px solid var(--border);color:var(--muted);border-radius:8px;padding:9px 18px;font-weight:500;font-family:Noto Sans TC,sans-serif;cursor:pointer;font-size:.9rem;transition:all .15s}.btn-cancel:hover{border-color:var(--text);color:var(--text)}@keyframes modal-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@media(max-width:600px){#editExpAmt{width:100%!important}.modal-overlay{align-items:flex-end;padding:0}.modal-content{border-radius:20px 20px 0 0;max-height:92vh;padding:16px 20px max(20px,env(safe-area-inset-bottom));animation:sheet-in .3s ease}.modal-drag-handle{display:block;width:36px;height:4px;border-radius:2px;background:var(--border);margin:0 auto 16px}.btn-cancel{flex:1;text-align:center}.modal-footer .btn{flex:2;text-align:center}}@keyframes sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}