@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-vietnamese-wght-normal-BUzh504Q.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-ext-wght-normal-CcLUaPy7.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-wght-normal-DLoelf7F.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/assets/figtree-latin-ext-wght-normal-DCwSJGxG.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/assets/figtree-latin-wght-normal-D_ZTVpCC.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--brand:#2b3be5;--brand-deep:#1f2bb8;--brand-tint:#eceeff;--ink:#12143a;--paper:#f6f7fb;--card:#fff;--line:#e1e4f2;--muted:#565a80;--sun:#ffd23f;--pos:#0b7a55;--pos-bg:#e1f5ec;--neg:#c42b47;--neg-bg:#fde8ec;--r-card:20px;--r-ctl:12px;--font-display:"Bricolage Grotesque Variable", ui-sans-serif, system-ui, sans-serif;--font-body:"Figtree Variable", ui-sans-serif, system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);margin:0;font-size:1rem;line-height:1.5}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;margin:0;line-height:1.1}p{margin:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.on-blue :focus-visible{outline-color:#fff}.num{font-family:var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:-.02em}.muted{color:var(--muted);font-size:.9rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.btn{border-radius:var(--r-ctl);border:1.5px solid var(--line);background:var(--card);justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 16px;font-weight:600;transition:background .15s,border-color .15s,transform .1s;display:inline-flex}.btn:hover{border-color:var(--ink)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep)}.btn-ink{background:var(--ink);border-color:var(--ink);color:#fff}.btn-block{width:100%}.btn-ghost{color:var(--brand);background:0 0;border-color:#0000;padding:0 10px}.btn-ghost:hover{background:var(--brand-tint);border-color:#0000}.btn-icon{width:40px;min-height:40px;color:var(--muted);background:0 0;border-color:#0000;padding:0}.btn-icon:hover{background:var(--brand-tint);color:var(--brand);border-color:#0000}.btn-icon.danger:hover{background:var(--neg-bg);color:var(--neg)}.btn-sm{min-height:36px;padding:0 12px;font-size:.9rem}.field{flex-direction:column;gap:6px;font-size:.9rem;font-weight:600;display:flex}.input{border:1.5px solid var(--line);border-radius:var(--r-ctl);background:#fff;width:100%;min-height:46px;padding:0 14px;font-weight:500}.input:hover{border-color:#c4c8e4}.input:focus-visible{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px #2b3be52e}.input-wrap{position:relative}.input-wrap .input{padding-right:46px}.input-wrap .btn-icon{position:absolute;top:3px;right:3px}.input-short{text-align:right;width:120px}.msg{border-radius:var(--r-ctl);align-items:flex-start;gap:8px;padding:10px 12px;font-size:.92rem;display:flex}.msg svg{flex:none;margin-top:2px}.msg-error{background:var(--neg-bg);color:var(--neg)}.msg-ok{background:var(--pos-bg);color:var(--pos)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px}.stack{flex-direction:column;gap:14px;display:flex}.stack-lg{flex-direction:column;gap:22px;display:flex}.pill{background:var(--brand-tint);color:var(--brand-deep);border-radius:999px;align-items:center;gap:5px;padding:2px 10px;font-size:.8rem;font-weight:700;display:inline-flex}.pill-pos{background:var(--pos-bg);color:var(--pos)}.pill-muted{color:var(--muted);background:#eef0f7}.avatar{font-family:var(--font-display);-webkit-user-select:none;user-select:none;border-radius:50%;flex:none;place-items:center;font-weight:800;line-height:1;display:inline-grid}.avatars{display:inline-flex}.avatars .avatar{border:2px solid var(--paper);margin-left:-8px}.avatars .avatar:first-child{margin-left:0}.list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin:0;padding:0;list-style:none;overflow:hidden}.list>li+li{border-top:1px solid var(--line)}.row{align-items:center;gap:12px;padding:14px 16px;display:flex}.row-main{flex:1;min-width:0}.row-title{overflow-wrap:anywhere;font-weight:700}.row-end{flex:none;align-items:center;gap:2px;display:flex}.row-amount{margin-right:6px;font-size:1.1rem;font-weight:700}.row-icon{background:var(--brand-tint);width:40px;height:40px;color:var(--brand);border-radius:12px;flex:none;place-items:center;display:grid}.row-icon.pay{background:var(--pos-bg);color:var(--pos)}.row-link{text-align:left;width:100%;color:inherit;background:0 0;border:0;transition:background .15s}.row-link:hover{background:var(--brand-tint)}.pos{color:var(--pos);font-weight:700}.neg{color:var(--neg);font-weight:700}.empty{text-align:center;color:var(--muted);flex-direction:column;align-items:center;gap:10px;padding:36px 20px;display:flex}.empty svg{color:var(--brand)}.empty strong{color:var(--ink);font-family:var(--font-display);font-size:1.15rem}.topbar{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#f6f7fbeb;position:sticky;top:0}.topbar-in{justify-content:space-between;align-items:center;max-width:720px;margin:0 auto;padding:10px 16px;display:flex}.brand{font-family:var(--font-display);letter-spacing:-.03em;color:var(--ink);background:0 0;border:0;align-items:center;gap:10px;padding:0;font-size:1.4rem;font-weight:800;display:inline-flex}.app{max-width:720px;margin:0 auto;padding:22px 16px 64px}.page-title{font-size:1.9rem;font-weight:800}.group-card{align-items:center;gap:14px;padding:14px 16px;display:flex}.group-card .chev{color:var(--muted)}.group-head{flex-direction:column;gap:10px;margin:6px 0 18px;display:flex}.group-head-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.balance{background:var(--ink);color:#fff;border-radius:var(--r-card);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:20px 22px;display:flex}.balance-label{color:#b9bcdf;font-size:.9rem}.balance-amount{font-size:clamp(1.9rem,7vw,2.6rem);font-weight:800;line-height:1.05}.balance-amount.pos{color:#6ee7b2}.balance-amount.neg{color:#ff93a6}.balance-note{color:#d6d8ee;max-width:22ch;font-size:.92rem}.segmented{background:#e9ebf6;border-radius:14px;gap:4px;margin:18px 0 14px;padding:4px;display:flex}.segmented button{min-height:40px;color:var(--muted);background:0 0;border:0;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:7px;font-weight:700;transition:background .15s,color .15s;display:inline-flex}.segmented button[aria-pressed=true]{color:var(--ink);box-shadow:0 1px 0 var(--line);background:#fff}.segmented.compact{margin:4px 0}.section-title{margin:22px 0 10px;font-size:1.15rem;font-weight:800}.transfer{flex-wrap:wrap;flex:1;align-items:center;gap:8px;min-width:0;display:flex}.transfer svg{color:var(--muted);flex:none}.sheet-backdrop{z-index:20;background:#12143a80;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0;overflow:auto}.sheet{background:var(--card);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-radius:24px 24px 0 0;width:100%;max-width:520px;max-height:94dvh;padding:22px 20px 0;animation:.22s ease-out sheet-in;overflow-y:auto}.sheet>*{flex-shrink:0}.sheet .actions{background:var(--card);border-top:1px solid var(--line);margin-top:4px;padding:12px 0 22px;position:sticky;bottom:0}.sheet-head{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.check-row{cursor:pointer;align-items:center;gap:12px;width:100%;padding:10px 16px;display:flex}.check-row input{width:20px;height:20px;accent-color:var(--brand)}.actions{justify-content:flex-end;gap:8px;display:flex}@keyframes sheet-in{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@media (width>=640px){.sheet-backdrop{align-items:center;padding:24px}.sheet{border-radius:24px}}.container{max-width:1120px;margin:0 auto;padding:0 20px}.hero{background:var(--brand);color:#fff;padding:22px 0 72px}.hero-nav{align-items:center;padding-bottom:36px;display:flex}.hero-nav .brand{color:#fff}.hero-grid{grid-template-columns:1fr;grid-template-areas:"copy""auth""demo";align-items:start;gap:28px;display:grid}.hero-copy{grid-area:copy}.hero-auth{grid-area:auth}.hero-demo{grid-area:demo}.hero h1{letter-spacing:-.035em;max-width:14ch;font-size:clamp(2.3rem,6.2vw,4rem);font-weight:800;line-height:1}.hero-sub{color:#ffffffe0;max-width:46ch;margin-top:16px;font-size:1.12rem}@media (width>=960px){.hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);grid-template-areas:"copy auth""demo auth";gap:34px 56px}}.auth-card{color:var(--ink);border-radius:var(--r-card);background:#fff;padding:24px}.auth-card h2{font-size:1.5rem;font-weight:800}.demo{color:var(--ink);border:2.5px solid var(--ink);border-radius:var(--r-card);box-shadow:8px 8px 0 var(--sun);background:#fff;padding:18px}.demo-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.demo-total{font-size:2.1rem;font-weight:800}.demo-people{grid-template-columns:repeat(2,1fr);gap:8px;margin:14px 0;display:grid}@media (width>=520px){.demo-people{grid-template-columns:repeat(4,1fr)}}.person-chip{border:2px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;font-weight:700;transition:border-color .15s,background .15s;display:flex}.person-chip[aria-pressed=true]{border-color:var(--brand);background:var(--brand-tint)}.person-chip .share{font-size:1.05rem}.person-chip[aria-pressed=false]{color:var(--muted)}.person-chip[aria-pressed=false] .avatar{filter:grayscale();opacity:.55}.demo-result{flex-direction:column;gap:6px;font-weight:600;display:flex}.demo-result li{align-items:center;gap:8px;display:flex}.demo-result{margin:0;padding:0;list-style:none}.section{padding:72px 0}.section-alt{border-block:1px solid var(--line);background:#fff}.section h2{max-width:22ch;font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800}.section-lead{color:var(--muted);max-width:56ch;margin-top:10px;font-size:1.05rem}.steps{counter-reset:step;grid-template-columns:1fr;gap:28px;margin:34px 0 0;padding:0;list-style:none;display:grid}.steps li{border-top:3px solid var(--ink);padding-top:14px;position:relative}.steps li:before{counter-increment:step;content:counter(step);font-family:var(--font-display);color:var(--brand);margin-bottom:8px;font-size:2.6rem;font-weight:800;line-height:1;display:block}.steps h3{margin-bottom:6px;font-size:1.2rem;font-weight:800}.features{grid-template-columns:1fr;gap:0 36px;margin-top:30px;display:grid}.feature{border-top:1px solid var(--line);grid-template-columns:44px 1fr;gap:14px;padding:20px 0;display:grid}.feature .row-icon{width:44px;height:44px}.feature h3{margin-bottom:4px;font-size:1.1rem;font-weight:800}.faq{max-width:760px;margin-top:26px}.faq details{border-top:1px solid var(--line);padding:4px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;font-size:1.05rem;font-weight:700;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary svg{color:var(--brand);flex:none;transition:transform .2s}.faq details[open] summary svg{transform:rotate(45deg)}.faq details p{color:var(--muted);max-width:62ch;padding:0 0 16px}.footer{color:var(--muted);padding:28px 0 44px;font-size:.92rem}.footer .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}@media (width>=760px){.steps{grid-template-columns:repeat(3,1fr)}.features{grid-template-columns:repeat(2,1fr)}}.center{place-items:center;min-height:100vh;padding:16px;display:grid}code{background:#eceef8;border-radius:6px;padding:1px 6px;font-size:.9em}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.row-wrap{flex-wrap:wrap}.row-wrap .transfer{flex-wrap:nowrap;flex:100%}.row-wrap .row-amount{margin-right:auto}.row-end .btn-icon{width:36px;min-height:36px}.row-amount{white-space:nowrap}@media (width<=480px){.row-icon.hide-sm{display:none}.row{gap:10px;padding:12px}}.btn-pair{grid-template-columns:1fr 1fr;gap:10px;display:grid}.pay-pair{grid-template-columns:1fr auto 1fr;align-items:end;gap:10px;display:grid}.pay-arrow{color:var(--muted);margin-bottom:14px}@media (width<=380px){.btn-pair{grid-template-columns:1fr}}.balance-detail{border-top:1px solid #ffffff2e;flex-direction:column;flex:100%;gap:12px;margin:4px 0 0;padding:14px 0 0;list-style:none;display:flex}.balance-detail li{align-items:center;gap:10px;display:flex}.balance-who{color:#e7e8f6;overflow-wrap:anywhere;flex:1;min-width:0}.balance-who strong{color:#fff}.on-ink-pos{color:#6ee7b2;font-weight:700}.on-ink-neg{color:#ff93a6;font-weight:700}.btn-on-ink{color:#fff;background:0 0;border-color:#fff6}.btn-on-ink:hover{background:#ffffff1f;border-color:#fff}.balance .btn:focus-visible{outline-color:#fff}.footer-link{color:var(--brand);text-underline-offset:3px;font-weight:700;text-decoration:underline}.footer-link:hover{color:var(--brand-deep)}
