:root{--bg: #f4f1ea;--surface: #ffffff;--surface2: #f3f0e9;--border: #e3ddd2;--border-strong: #d4cdbf;--accent: #c84b2f;--accent-soft: rgba(200, 75, 47, .08);--accent2: #2f7bc8;--accent2-soft: rgba(47, 123, 200, .08);--text: #1a1a1a;--muted: #8a847a;--danger: #c84b2f;--green: #2a8a4a;--shadow-sm: 0 1px 2px rgba(60, 50, 35, .04), 0 1px 3px rgba(60, 50, 35, .06);--shadow-md: 0 2px 4px rgba(60, 50, 35, .05), 0 6px 16px rgba(60, 50, 35, .07);--shadow-accent: 0 2px 6px rgba(200, 75, 47, .28)}*{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}#offlineBanner{position:fixed;bottom:max(16px,env(safe-area-inset-bottom));left:16px;right:16px;background:linear-gradient(135deg,#ff9800,#f57c00);color:#fff;font-size:.82rem;padding:12px 16px;border-radius:12px;z-index:999;text-align:center;box-shadow:0 4px 16px #00000026}#setupScreen{display:block}#mainScreen,#tripSkeleton,.route-trip #setupScreen{display:none}.route-trip #tripSkeleton{display:block}.skel{border-radius:12px;background:linear-gradient(90deg,var(--surface) 25%,var(--surface2) 50%,var(--surface) 75%);background-size:200% 100%;border:1px solid var(--border);animation:skel-shimmer 1.2s ease-in-out infinite}.skel-topbar{height:52px;margin:8px 0 16px}.skel-card{height:120px;margin-bottom:16px}.skel-card--tall{height:260px}@keyframes skel-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.skel{animation:none}}.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}.topbar-logo{height:34px;width:auto}.hero-headline{font-size:1.6rem;font-weight:800;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;font-weight:500;padding:6px 14px;border-radius:20px;background:var(--surface);border:1px solid var(--border);color:var(--text);box-shadow:var(--shadow-sm)}.setup-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px 22px;margin-bottom:14px;box-shadow:var(--shadow-sm)}.setup-card h2{font-size:.98rem;letter-spacing:0;color:var(--text);font-weight:700;margin-bottom:16px}.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;min-height:34px;padding:6px 14px;border-radius:20px;cursor:pointer;font-size:.85rem;font-weight:600;border:1.5px solid var(--border-strong);background:var(--surface2);-webkit-user-select:none;user-select:none;transition:all .15s;margin:3px}.p-check:hover{border-color:var(--muted)}.p-check.on{border-color:var(--accent2);background:var(--accent2-soft);color:var(--accent2)}.btn-start{width:100%;padding:15px;background:linear-gradient(135deg,#d3563a,#c84b2f);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;box-shadow:var(--shadow-accent);transition:transform .1s,box-shadow .15s,filter .15s}.btn-start:hover{filter:brightness(1.05);box-shadow:0 4px 12px #c84b2f57}.btn-start:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}.share-banner{display:flex;align-items:center;border:0;background:transparent;padding:0;margin:0;flex-shrink:0}.share-banner-row{display:none}.share-banner .share-banner-icon-btn{flex-shrink:0;width:36px;height:36px;padding:0;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);background:transparent;border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);box-shadow:none;transition:background .15s,transform .1s}.share-banner .share-banner-icon-btn:hover{background:color-mix(in srgb,var(--accent) 9%,transparent);box-shadow:none;filter:none}.share-banner .share-banner-icon-btn:active{transform:scale(.96)}.share-banner-icon-btn svg{display:block;width:20px;height:20px;color:currentColor;overflow:visible}.share-banner-icon-btn svg circle,.share-banner-icon-btn svg path{color:currentColor}.sync-status{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--muted);flex-shrink:0}.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{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--border)}.topbar-row1{display:flex;align-items:center;gap:12px;min-height:48px}.topbar-logo-link{display:flex;align-items:center;text-decoration:none;flex-shrink:0}.topbar input.trip-title{flex:1;min-width:0;font-size:1.35rem;font-weight:700;letter-spacing:-.02em;color:var(--text);background:transparent;border:none;border-bottom:1.5px solid transparent;border-radius:0;outline:none;box-shadow:none;padding:2px 0;cursor:text}.topbar input.trip-title:focus{border-bottom-color:var(--border);background:transparent;box-shadow:none}.topbar input.trip-title::placeholder{color:var(--muted);font-weight:500}.topbar-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px;margin-top:8px}.member-pills{display:flex;gap:6px;flex-wrap:wrap}.mpill{display:inline-flex;align-items:center;gap:5px;font-size:.8rem;min-height:28px;padding:4px 12px;border-radius:20px;font-weight:600;color:color-mix(in srgb,var(--m-color) 72%,var(--text));background:color-mix(in srgb,var(--m-color) 13%,var(--surface));border:1px solid color-mix(in srgb,var(--m-color) 32%,transparent)}.mpill-x{background:none;border:none;color:inherit;opacity:.5;cursor:pointer;padding:0 0 0 2px;font-size:.68rem;line-height:1}.mpill-x:hover{opacity:1}.mpill-add{display:inline-flex;align-items:center;font-size:.78rem;min-height:28px;padding:4px 12px;border-radius:20px;border:1px dashed var(--border-strong);color:var(--muted);background:none;cursor:pointer;transition:all .15s}.mpill-add:hover{border-color:var(--text);color:var(--text)}#addMemberPanel .btn,#editMemberPanel .btn{box-shadow:none;background:var(--accent)}#addMemberPanel .btn:hover,#editMemberPanel .btn:hover{filter:brightness(1.05);box-shadow:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:14px;box-shadow:var(--shadow-sm)}.card-title{display:flex;align-items:center;gap:7px;font-size:1rem;letter-spacing:0;color:var(--text);margin-bottom:18px;font-weight:700}.card-title svg{color:var(--accent)}.exp-view-toggle{margin-left:auto;display:inline-flex;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:2px;gap:2px}.exp-view-toggle button{border:none;background:transparent;color:var(--muted);font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:6px;cursor:pointer;font-family:inherit}.exp-view-toggle button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #00000014}.card--canvas{background:transparent;border-color:transparent;box-shadow:none;padding-left:8px;padding-right:8px}.card--canvas #expenseList{margin:0;border-radius:0;overflow:visible}.card--canvas .tl-bubble{background:var(--surface);box-shadow:var(--shadow-sm)}.card--canvas .tl-bubble:hover{box-shadow:var(--shadow-md)}.card--canvas .tl-avatar,.card--canvas .tl-day:before{border-color:var(--bg)}.card--canvas .tl-gap:before{background:var(--bg)}.card--canvas .tl-gap-label{background:var(--surface)}.tl{position:relative;padding-bottom:4px}.tl:before{content:"";position:absolute;left:49px;top:16px;bottom:10px;width:2px;background:var(--border);border-radius:1px}.tl-day{position:relative;display:flex;align-items:baseline;gap:8px;padding:9px 0 7px 68px;margin-top:10px}.tl-day:first-child{margin-top:0}.tl-day:before{content:"";position:absolute;left:43px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-shadow:0 0 0 1.5px var(--accent)}.tl-day-label{font-size:.8rem;font-weight:700;color:var(--text)}.tl-day-sum{margin-left:auto;font-family:Space Mono,monospace;font-size:.72rem;color:var(--muted)}.tl-item{display:grid;grid-template-columns:32px 22px 1fr;column-gap:7px;align-items:start}.tl-time{text-align:right;font-family:Space Mono,monospace;font-size:.62rem;color:var(--muted);letter-spacing:-.5px;padding-top:7px}.tl-avatar{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.7rem;font-weight:700;border:2px solid var(--surface);box-sizing:border-box;margin-top:3px;position:relative;z-index:1}.tl-bubble{position:relative;min-width:0;background:var(--surface2);border-radius:11px;padding:7px 30px 7px 12px;cursor:pointer;transition:box-shadow .15s ease,transform .15s ease}.tl-bubble:hover{box-shadow:var(--shadow-sm);transform:translate(1px)}.tl-bubble:before{content:"";position:absolute;left:-3px;top:12px;width:8px;height:8px;background:inherit;border-radius:2px;transform:rotate(45deg)}.tl-line1{display:flex;align-items:baseline;gap:6px}.tl-name{flex:1;min-width:0;font-size:.85rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tl-amt{font-family:Space Mono,monospace;font-size:.92rem;font-weight:700;color:var(--accent);white-space:nowrap}.tl-cur{font-size:.6rem;font-weight:400;color:var(--muted);margin-left:3px}.tl-meta{margin-top:1px;font-size:.68rem;color:var(--muted)}.tl-payer{font-weight:600}.tl-del{position:absolute;right:2px;top:50%;transform:translateY(-50%);border:none;background:none;color:var(--border-strong);font-size:.8rem;padding:6px 9px;cursor:pointer}.tl-del:hover{color:var(--danger)}.tl-gap{position:relative;padding:10px 0 4px 68px}.tl-gap:before{content:"";position:absolute;left:48px;top:2px;bottom:0;width:2px;border-left:2px dashed var(--border-strong);background:var(--surface)}.tl-gap-label{font-size:.68rem;color:var(--muted);background:var(--surface2);border:1px dashed var(--border-strong);border-radius:999px;padding:2px 10px}.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);font-weight:600;letter-spacing:.3px}.form-field.grow{flex:1;min-width:120px}.occurred-label-row{display:flex;align-items:baseline;justify-content:space-between}.occurred-clear{border:none;background:none;padding:0;font-size:.72rem;font-weight:600;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.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],input[type=datetime-local],select{background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font-family:Noto Sans TC,sans-serif;font-size:.9rem;outline:none;transition:border-color .15s,box-shadow .15s,background .15s}input[type=datetime-local]{-webkit-appearance:none;appearance:none;min-height:41px}input:focus,select:focus{border-color:var(--accent2);background:var(--surface);box-shadow:0 0 0 3px var(--accent2-soft)}select{cursor:pointer}.payer-pills{display:flex;flex-wrap:wrap;gap:7px}.payer-pill{display:inline-flex;align-items:center;min-height:34px;padding:6px 15px;border-radius:20px;cursor:pointer;font-size:.85rem;font-weight:600;border:1.5px solid var(--border-strong);background:var(--surface2);-webkit-user-select:none;user-select:none;transition:background .15s,color .15s,border-color .15s,box-shadow .15s,transform .1s}.payer-pill:hover{border-color:var(--muted)}.payer-pill.on{box-shadow:var(--shadow-sm)}.payer-pill:active{transform:scale(.96)}.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:12px;padding:4px;background:var(--surface2);border:1px solid var(--border);border-radius:12px}.stab{flex:1;text-align:center;padding:7px 12px;border-radius:8px;font-size:.82rem;font-weight:600;background:transparent;border:none;cursor:pointer;color:var(--muted);transition:all .15s;-webkit-user-select:none;user-select:none}.stab:hover:not(.active){color:var(--text)}.stab.active{background:var(--surface);color:var(--accent2);box-shadow:var(--shadow-sm)}.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:linear-gradient(135deg,#d3563a,#c84b2f);color:#fff;border:none;border-radius:10px;padding:11px 20px;font-weight:700;font-family:Noto Sans TC,sans-serif;cursor:pointer;font-size:.9rem;box-shadow:var(--shadow-accent);transition:transform .1s,box-shadow .15s,filter .15s;white-space:nowrap}.btn:hover{filter:brightness(1.05);box-shadow:0 4px 10px #c84b2f57}.btn:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}#expenseList{margin:0 -22px -22px;border-radius:0 0 15px 15px;overflow:hidden}.expense-item{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}.expense-item:last-child{border-bottom:none}@keyframes new-expense-bg{0%{background:#fdeac9}33.3%{background:#fef3e2}66.6%{background:#fffbf5}to{background:var(--surface)}}.expense-item.new-expense .expense-swipe-inner{overflow:hidden;animation:new-expense-bg 60s linear forwards;animation-delay:calc(-1 * var(--exp-age, 0s))}@keyframes shimmer-move{0%{transform:translate(-100%)}to{transform:translate(300%)}}@keyframes shimmer-fade{0%,60%{opacity:1}to{opacity:0}}.expense-item.new-expense .expense-swipe-inner:before{content:"";position:absolute;top:0;left:0;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);z-index:-1;pointer-events:none;animation:shimmer-move 2s ease-in-out infinite,shimmer-fade 60s linear forwards;animation-delay:0s,calc(-1 * var(--exp-age, 0s))}@keyframes new-badge-fade{0%,66.6%{opacity:1}to{opacity:0}}.exp-new-badge{display:inline-block;font-size:.5rem;font-weight:700;letter-spacing:.5px;padding:1px 5px;border-radius:3px;background:#f59e0b;color:#fff;vertical-align:middle;margin-left:5px;animation:new-badge-fade 60s linear forwards;animation-delay:calc(-1 * var(--exp-age, 0s))}.expense-swipe-inner{display:flex;align-items:center;gap:10px;padding:13px 22px 13px 20px;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:1px solid var(--border);border-radius:12px;padding:13px 14px}.msummary-card .mname{display:flex;align-items:center;gap:6px;font-size:.82rem;font-weight:700;margin-bottom:8px}.msummary-card .mname.clickable{cursor:pointer;transition:opacity .2s}.msummary-card .mname.clickable:hover{opacity:.7}.mname-expand-icon{margin-left:auto;opacity:.3;transition:opacity .2s;flex-shrink:0}.msummary-card .mname.clickable:hover .mname-expand-icon{opacity:.7}.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(--surface);border:1px solid var(--border);border-left:3px solid var(--accent2);border-radius:10px;padding:12px 14px;margin-bottom:8px;font-size:.88rem;flex-wrap:wrap;box-shadow:var(--shadow-sm)}.settle-arrow{font-family:Space Mono,monospace;color:var(--muted)}.settle-right{display:flex;align-items:center;gap:8px;white-space:nowrap;margin-left:auto}.settle-amt{font-family:Space Mono,monospace;font-weight:700;color:var(--accent2)}.settle-invoice-btn{flex-shrink:0;background:none;border:1.5px solid var(--border);border-radius:6px;cursor:pointer;font-size:.75rem;font-family:Noto Sans TC,sans-serif;padding:3px 9px;color:var(--muted);transition:all .15s}.settle-invoice-btn:hover{border-color:var(--accent2);color:var(--accent2)}.divider{border:none;border-top:1px solid var(--border);margin:14px 0}@media(max-width:600px){body{padding-top:12px}.share-banner-icon-btn{width:34px;height:34px}.topbar{margin-bottom:12px;padding-bottom:12px}.topbar-row1{min-height:42px}.topbar-logo{height:30px}.trip-title{font-size:1.15rem}.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],input[type=datetime-local],select{font-size:1rem}.exp-edit,.exp-del{display:none}.expense-swipe-inner{padding-right:14px}.quick-expense-buttons{gap:6px;overflow-x:auto;flex-wrap:nowrap;margin:0 -20px 8px;padding:0 20px 4px;scrollbar-width:none}.quick-expense-buttons::-webkit-scrollbar{display:none}.quick-expense-btn{flex:0 0 auto;padding:8px 12px;font-size:.92rem;min-height:40px;gap:5px;border-radius:999px;font-weight:500}.quick-expense-btn 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