:root{--canvas:#f7f4ea;--surface:#fffef9;--ink:#2f3028;--muted:#5f665a;--brand:#315d47;--nav:#315d47;--border:#d8ddcf;--focus:#315d47;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);font:16px/1.5 inherit}header{padding:18px max(5%,24px);background:var(--nav);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:4px solid var(--brand)}header strong{font-size:22px;letter-spacing:-.3px}main{width:min(860px,calc(100% - 32px));margin:32px auto 64px}section{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:24px;margin:20px 0;box-shadow:0 10px 28px #1636510c}h1,h2,h3{letter-spacing:-.35px}h1,h2{margin-top:0}p{line-height:1.6}label{display:block;margin:16px 0 7px;font-size:13px;font-weight:700}button,input,select{font:inherit}input,select{display:block;width:100%;min-width:0;min-height:44px;border:1px solid #b9c5b4;border-radius:12px;padding:10px 12px;background:#fff;color:var(--ink)}button{min-height:44px;border:0;border-radius:12px;padding:10px 16px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer;margin:12px 8px 0 0}button.secondary{background:#e8eedc;color:#315d47}button:disabled{opacity:.5;cursor:wait}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.notice{padding:14px 16px;background:#fff7e8;border:1px solid #f5deb0;border-radius:14px;font-size:14px}#error{color:#a01948;white-space:pre-wrap}.entry{padding:14px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:12px}.entry>div{min-width:0;overflow-wrap:anywhere}.entry>b{white-space:nowrap}small{color:var(--muted);display:block}.metric{background:#edf2e3;border-radius:16px;padding:18px}.metric b{display:block;font-size:26px;margin-top:8px}.check{display:flex;align-items:center;gap:10px}.check input{width:auto;min-height:auto}.beneficiary{padding:4px 0;border-bottom:1px solid var(--border)}.split-value{margin-left:30px}fieldset{border:1px solid #b9c5b4;border-radius:14px;margin-top:20px;min-width:0;padding:8px 16px 16px}[hidden]{display:none!important}@media(max-width:600px){header{padding:14px 16px}header strong{font-size:19px}main{width:auto;margin:20px 16px 48px}section{padding:18px;border-radius:16px}.row{grid-template-columns:1fr}.metric b{font-size:22px}.entry{align-items:flex-start}}

.category-field{padding:0;border:0;margin:18px 0;min-width:0}.category-field legend{font-size:13px;font-weight:700}.category-rail{display:flex;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x proximity;padding:8px 2px 12px}.category-option{margin:0;flex:0 0 auto;position:relative;scroll-snap-align:start}.category-option input{position:absolute;opacity:0;width:1px;min-height:0}.category-option>span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:88px;min-height:72px;padding:8px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.category-option>span>span:first-child{font-size:22px}.category-option input:checked+span{background:#dde8c8;border:2px solid #315d47}.category-option input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}

.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.summary-grid .metric{min-width:0;overflow-wrap:anywhere}.trip-actions{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.trip-actions a{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border-radius:12px;background:#e8eedc;color:#315d47;font-weight:700;text-decoration:none}.trip-actions a:first-child{background:#315d47;color:#fffef9}.trip-actions a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media(max-width:600px){.summary-grid{grid-template-columns:1fr}.summary-grid .metric{padding:14px}.summary-grid .metric b{font-size:22px;margin-top:2px}}
/* Travel Wallet: a compact overview with an explicit, draft-preserving editor. */
body{font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.5}
header{background:var(--surface);color:var(--brand);border-bottom:1px solid var(--border);padding:18px max(24px,calc((100% - 1100px)/2))}
.header-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.header-tools label{margin:0}.header-tools select{width:auto}.release{font-size:12px;color:var(--muted)}
main{width:min(1100px,calc(100% - 40px));margin:24px auto 64px}.release-note,#status{font-size:14px;color:var(--muted)}.release-note{margin:0}#status{min-height:21px}#error:empty{display:none}#error{padding:12px;border-left:4px solid #a83f36;background:#fff0e8;color:#8e322b}
h1{font-size:clamp(28px,4vw,36px);line-height:1.2;margin-bottom:12px;overflow-wrap:anywhere}h2{font-size:22px}h3{font-size:18px}section{border-radius:16px;box-shadow:0 3px 12px #2f302805}button,a,input,select{touch-action:manipulation}button:hover,.trip-actions a:hover{filter:brightness(.95)}button:active,.trip-actions a:active{transform:translateY(1px)}button:disabled{opacity:.6;cursor:progress}a{color:var(--brand)}
button,input,select{min-height:44px}input,select{border-color:#7b8774}input:read-only{background:#f0f2e9}.check input{min-height:24px;min-width:24px;accent-color:var(--brand)}.check{min-height:44px}.check:has(input:checked){color:var(--brand)}
.trip-heading{margin-top:24px}.trip-heading small{letter-spacing:1.5px;font-size:12px;font-weight:700}.summary-grid .metric{background:#e8eedc;border:1px solid var(--border);padding:18px}.metric b{font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.summary-grid .metric:first-child{background:var(--brand);color:var(--surface)}
.trip-actions{align-items:center;margin:20px 0}.trip-actions button{margin:0}.trip-actions a{border:1px solid var(--border)}.trip-actions a:first-child{background:#e8eedc;color:var(--brand)}.member-settings{border:1px solid var(--border);border-radius:12px;padding:12px 16px;background:var(--surface)}summary{cursor:pointer;min-height:44px;padding:10px 0;color:var(--brand);font-weight:600}details section{box-shadow:none}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.section-heading h2{margin:0}.section-heading button{margin:0}#add-expense{max-width:760px;margin:24px auto;border:2px solid var(--brand)}#add-expense:focus{outline:none}#shared-amount,#amount{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}#shared-expense>button:last-child,#expense>button:last-child{width:100%;margin-right:0}
.wallet-columns{display:grid;grid-template-columns:minmax(0, .85fr) minmax(0,1.15fr);gap:20px;align-items:start}.wallet-columns>section{min-width:0}.balance-card{background:#f0f3e8}.person-balance{padding:12px 0;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.receivable{color:#286342}.payable{color:#a83f36}.transfer-row{background:var(--surface);border:1px solid var(--border);padding:16px;border-radius:12px;overflow-wrap:anywhere}.transfer-row strong{font-variant-numeric:tabular-nums}.settlement-button{display:block;font-size:14px}.member-chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.member-chip{display:inline-flex;align-items:center;gap:6px;background:#e8eedc;border-radius:24px;padding:6px 12px;font-size:14px;overflow-wrap:anywhere;max-width:100%}.member-chip i{font-style:normal;font-weight:700;color:var(--brand)}
.entry{align-items:flex-start}.entry>b{font-variant-numeric:tabular-nums;max-width:45%;white-space:normal;overflow-wrap:anywhere;text-align:right}.category-icon{display:inline-block;margin-right:8px;font-size:22px}.expense-detail{margin-top:8px}.expense-detail summary{font-size:14px}.reversal-button{font-size:13px;background:transparent!important;border:1px solid var(--border);padding:8px 12px}.date-group{color:var(--muted);font-size:14px;border-bottom:1px solid var(--border);padding-bottom:8px;margin:20px 0 0}.reversed{opacity:.8}.category-option>span{min-width:92px}.category-option input{top:50%;left:50%}.category-field small{font-size:13px}.category-option input:checked+span{border-width:1px;box-shadow:inset 0 0 0 1px var(--brand)}.category-option>span>span:last-child{font-size:14px}
@media(max-width:760px){.wallet-columns{grid-template-columns:1fr;gap:0}main{width:calc(100% - 32px)}.summary-grid{grid-template-columns:1fr 1fr}.summary-grid .metric:first-child{grid-column:1/-1}.summary-grid .metric b{font-size:22px}.summary-grid .metric{padding:14px}.header-tools{gap:8px}.header-tools .release{display:none}.header-tools label{font-size:12px}header{padding:14px 16px}.member-settings{padding:8px 12px}.member-settings section{padding:12px}.entry{gap:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
#app.editing > :not(#add-expense){display:none}#app.editing #add-expense{margin-top:16px}#fx-preview:not(:empty),#allocation-preview:not(:empty){background:#edf2e3;padding:12px;border-radius:10px;overflow-wrap:anywhere}#allocation-preview{white-space:pre-wrap}
.category-option>span{border-color:#7b8774}
.entry>b{flex-shrink:0;white-space:nowrap}.metric b{font-variant-numeric:tabular-nums}
@media(max-width:760px){.summary-grid.large-amounts{grid-template-columns:1fr}.summary-grid.large-amounts .metric b{white-space:nowrap}}
@media(max-width:600px){.entry{display:block}.entry>b{display:block;text-align:left;max-width:100%;white-space:nowrap;margin-top:8px}}
.trip-rate-settings{margin:20px 0}.currency-suggestion{font-size:14px;color:var(--muted)}.expense-reference{margin-top:12px}.rate-status{font-size:14px;overflow-wrap:anywhere}.transfers{width:100%;border-collapse:collapse;table-layout:fixed;margin:12px 0}.transfers th,.transfers td{text-align:left;padding:10px 6px;vertical-align:top;border-bottom:1px solid var(--border);overflow-wrap:anywhere;font-size:14px}.transfers th{color:var(--muted)}.transfers .mobile-label{display:none}.transfers button{font-size:13px;padding:8px;margin:8px 0}.expense-day{border-top:1px solid var(--border);margin-top:12px}.day-heading{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center}.day-heading>span{font-size:13px;font-weight:400;color:var(--muted)}.expense-row{display:block;padding:6px 0}.expense-row>summary{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;font-weight:400;color:var(--ink);overflow-wrap:anywhere}.expense-row>summary>b{white-space:nowrap;font-variant-numeric:tabular-nums}.expense-row small{font-weight:400}.expense-details{padding:8px 0;font-size:14px;overflow-wrap:anywhere}.discard-dialog{background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:16px;padding:24px;width:min(480px,calc(100% - 32px))}.discard-dialog::backdrop{background:#2f302866}.percentage-lock{display:block;font-size:14px}#percentage-status{font-size:14px;overflow-wrap:anywhere}#trip-date-warning:not(:empty){padding:12px;background:#fff1d8;border-radius:12px;color:#785014}
@media(max-width:760px){.transfers thead{display:none}.transfers,.transfers tbody{display:block}.transfers tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:12px;margin:12px 0;padding:12px}.transfers td{display:block;border:0;padding:0}.transfers .mobile-label{display:block;font-size:12px;color:var(--muted)}.expense-row>summary{grid-template-columns:minmax(0,1fr)}.expense-row>summary>b{text-align:left}}
.day-heading{display:list-item}.day-heading>span{display:block;margin-top:4px}.disclosure-icon{display:inline-block;width:1em;color:var(--brand)}.expense-row[open]>summary .disclosure-icon{transform:rotate(90deg)}