@font-face{font-family:"DM Sans";src:url('/static/fonts/dm-sans-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}@font-face{font-family:"DM Sans";src:url('/static/fonts/dm-sans-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}@font-face{font-family:"DM Sans";src:url('/static/fonts/dm-sans-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}@font-face{font-family:Inter;src:url('/static/fonts/inter-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}@font-face{font-family:Inter;src:url('/static/fonts/inter-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}@font-face{font-family:"JetBrains Mono";src:url('/static/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
:root,[data-theme="warm"]{--nb-bg:#FBF9F4;--nb-panel:#FFFDF9;--nb-text:#2B2C2C;--nb-muted:#66685F;--nb-line:#E7E3DA;--nb-primary:#2D6A4F;--nb-on-primary:#FBF9F4;--nb-soft:#F5E6D3;--nb-positive:#2D6A4F;--nb-alert:#A84D36;--nb-chart:#52B788;--nb-ring:#2D6A4F;--nb-radius:10px;--nb-small-radius:6px;--nb-shadow:none;--nb-font:"DM Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--nb-numbers:"DM Sans",sans-serif}
[data-theme="graphite"]{--nb-bg:#101617;--nb-panel:#182021;--nb-text:#ECF4F2;--nb-muted:#A2B4B0;--nb-line:#34403F;--nb-primary:#76D6C0;--nb-on-primary:#10221D;--nb-soft:#243430;--nb-positive:#76D6C0;--nb-alert:#F3A28A;--nb-chart:#76D6C0;--nb-ring:#A5F1DE;--nb-radius:10px;--nb-small-radius:6px;--nb-shadow:none;--nb-font:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;--nb-numbers:"JetBrains Mono",monospace}
[data-theme="paper"]{--nb-bg:#FFFFFF;--nb-panel:#FFFFFF;--nb-text:#09090B;--nb-muted:#62626B;--nb-line:#E4E4E7;--nb-primary:#09090B;--nb-on-primary:#FFFFFF;--nb-soft:#F4F4F5;--nb-positive:#09090B;--nb-alert:#3F3F46;--nb-chart:#09090B;--nb-ring:#09090B;--nb-radius:4px;--nb-small-radius:4px;--nb-shadow:none;--nb-font:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;--nb-numbers:"JetBrains Mono",monospace}
[data-theme="ink"]{--nb-bg:#09090B;--nb-panel:#09090B;--nb-text:#FAFAFA;--nb-muted:#A1A1AA;--nb-line:#27272A;--nb-primary:#FAFAFA;--nb-on-primary:#09090B;--nb-soft:#18181B;--nb-positive:#FAFAFA;--nb-alert:#D4D4D8;--nb-chart:#FAFAFA;--nb-ring:#FFFFFF;--nb-radius:4px;--nb-small-radius:4px;--nb-shadow:none;--nb-font:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;--nb-numbers:"JetBrains Mono",monospace}
:root,html{background:var(--nb-bg);color:var(--nb-text);--green:var(--nb-primary);--muted:var(--nb-muted);--line:var(--nb-line);--cream:var(--nb-bg);--dark:var(--nb-text)}body{background:var(--nb-bg);color:var(--nb-text);font-family:var(--nb-font)}button,input,select,textarea{font-family:inherit}a,button{color:inherit}.nb-icon{width:20px;height:20px;flex:none;vertical-align:middle;stroke-width:1.65}.brand{color:var(--nb-text)}.brand span{letter-spacing:-.5px}.brand small{color:var(--nb-muted)}.brand img{border-radius:12px}.panel,.card,.analytics-kpi,.ledger-row,.fund-card,.callout,dialog,.auth-card,.qr-box{background:var(--nb-panel);color:var(--nb-text);border-color:var(--nb-line);border-radius:var(--nb-radius);box-shadow:var(--nb-shadow)}button.primary,.primary{background:var(--nb-primary);color:var(--nb-on-primary);border-color:var(--nb-primary);border-radius:var(--nb-small-radius);box-shadow:none}button.secondary,.secondary{background:var(--nb-panel);color:var(--nb-text);border-color:var(--nb-line);border-radius:var(--nb-small-radius)}button:hover{filter:brightness(.97)}input,select,textarea{color:var(--nb-text);background:var(--nb-bg);border-color:var(--nb-line);border-radius:var(--nb-small-radius)}input:focus,select:focus,textarea:focus{border-color:var(--nb-ring);box-shadow:0 0 0 3px color-mix(in srgb,var(--nb-ring) 12%,transparent)}button:focus-visible,a:focus-visible{outline:2px solid var(--nb-ring);outline-offset:4px}.muted,.help,.eyebrow,.amount-caption,.chart-subtitle,.quote-note{color:var(--nb-muted)}.help{line-height:1.7}.text-button{color:var(--nb-primary)}.danger,.error,.bill-mine .unpaid{color:var(--nb-alert)}.main-kpi,.rate-strip,.nest-tile.selected{background:var(--nb-soft);color:var(--nb-text)}.rate-strip{border:0;border-radius:var(--nb-small-radius);margin-bottom:24px}.rate-strip strong{color:var(--nb-primary)}.stats,.analytics-kpis{gap:14px;background:transparent;border:0;overflow:visible}.stat,.stats>*,.analytics-kpi{background:var(--nb-panel);border:1px solid var(--nb-line);border-radius:var(--nb-radius);color:var(--nb-text);box-shadow:var(--nb-shadow)}.analytics-kpi.main-kpi{background:var(--nb-soft);border-color:var(--nb-soft)}.analytics-kpi>strong,.stat>strong,.quote-amount,.ledger-amount strong,.bill-mine strong,.all-months strong,.all-currency-group h2{font-family:var(--nb-numbers);font-variant-numeric:tabular-nums;letter-spacing:-1px}.stat small,.analytics-kpi small{color:var(--nb-muted)}.chart-bar{fill:var(--nb-chart)}.chart-grid{stroke:var(--nb-line)}.chart-axis{fill:var(--nb-muted)}.category-number,.meter{color:var(--nb-muted)}meter::-webkit-meter-bar{background:var(--nb-soft);border:0;border-radius:30px}meter::-webkit-meter-optimum-value{background:var(--nb-chart);border-radius:30px}.tag,.chip,.status{background:var(--nb-soft);color:var(--nb-text);border-color:var(--nb-line);border-radius:7px}.ledger-icon,.empty-icon{background:var(--nb-soft);color:var(--nb-primary)}.bill-day-title,.section-head h2,h1,h2,h3{color:var(--nb-text)}.ledger-row{margin-bottom:8px;border:1px solid var(--nb-line);padding:20px}.ledger-row .ledger-body small,.bill-participants{color:var(--nb-muted)}.fund-board{background:var(--nb-soft);border:1px solid var(--nb-line);border-radius:var(--nb-radius);padding:24px}.fund-board .fund-card{box-shadow:none}.fund-progress{background:transparent}.fund-kpi strong,.fund-card .deadline{color:var(--nb-alert)}.tabs{background:var(--nb-soft);border-radius:var(--nb-small-radius)}.tabs button{color:var(--nb-muted);background:transparent}.tabs button.active{background:var(--nb-panel);color:var(--nb-text);border-color:var(--nb-line)}.analytics-table th,.analytics-table td,.nest-member,.split-row{border-color:var(--nb-line)}.analytics-table tfoot,.analytics-table tr:hover{background:var(--nb-soft)}dialog::backdrop{background:rgba(0,0,0,.4);backdrop-filter:blur(4px)}.icon-button{background:var(--nb-soft);color:var(--nb-text);border-radius:50%}.auth{background:var(--nb-bg)}.auth-art{background:var(--nb-soft);color:var(--nb-primary)}.auth-art small,.auth-art span{color:var(--nb-primary)}#toast{background:var(--nb-primary);color:var(--nb-on-primary);border-radius:var(--nb-small-radius)}.qr-box img{background:white;border-radius:10px}.auth-currency{opacity:.65}.auth-links a,.auth-links button{color:var(--nb-muted)}[data-theme="paper"] .brand img,[data-theme="ink"] .brand img{filter:grayscale(1)}
/* Stable shell: ledger switching stays global, actions stay within the selected ledger. */
.app-header{position:fixed;inset:0 auto 0 0;width:240px;height:100dvh;min-height:0;padding:32px 20px 20px;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:28px;border-right:1px solid var(--nb-line);border-bottom:0;background:var(--nb-bg);z-index:5}.app-header .brand{font-size:24px;align-self:flex-start;gap:12px;padding:0 12px}.app-header .brand small{display:block;font-size:10px;letter-spacing:2px;margin-top:4px}.app-header .brand img{width:38px;height:38px}.nest-switcher{margin:0;padding:14px 12px;border:1px solid var(--nb-line);border-radius:var(--nb-small-radius);gap:6px}.nest-switcher>span{font-size:10px;letter-spacing:1px;color:var(--nb-muted)}.nest-switcher select{max-width:100%;width:100%;font-size:12px;background:transparent;box-shadow:none;border:0;padding:0;color:var(--nb-text)}#navigation{display:flex;flex-direction:column;gap:7px;order:initial;width:auto;margin:0;padding:0;justify-content:flex-start;flex:1}#navigation a{display:flex;align-items:center;gap:13px;font-size:13px;padding:14px 16px;border-radius:var(--nb-small-radius);white-space:nowrap;color:var(--nb-muted)}#navigation a[aria-current="page"]{background:var(--nb-soft);color:var(--nb-primary);font-weight:600}#navigation a:hover{background:var(--nb-soft);color:var(--nb-text)}.profile-pill{display:flex;align-items:center;gap:12px;max-width:100%;padding:14px 12px;border:1px solid var(--nb-line);background:var(--nb-panel);color:var(--nb-text);border-radius:var(--nb-small-radius);text-align:left;box-shadow:none;font-size:12px}.profile-pill .profile-avatar{width:32px;height:32px;background:var(--nb-soft);border-radius:50%;display:grid;place-items:center}.profile-pill>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.profile-pill small{display:block;font-size:10px;color:var(--nb-muted);margin-top:3px}#app main{max-width:1320px;margin-left:240px;padding:48px 48px 24px;min-height:calc(100dvh - 75px)}#app footer{margin-left:240px;border-top:0;color:var(--nb-muted);padding:24px 48px}.page-head{margin-bottom:28px}.page-head h1{font-size:32px;letter-spacing:-1.1px;font-weight:600}.page-head .muted{font-size:13px;line-height:1.8}.head-actions{align-items:center;flex-direction:row}.head-actions button{min-height:44px;padding:12px 18px}.dashboard-greeting{font-size:12px;color:var(--nb-muted);margin-bottom:16px}.dashboard-greeting strong{font-weight:500;color:var(--nb-text)}.demo-banner{position:fixed;bottom:0;right:0;z-index:8;max-width:calc(100% - 240px);font-size:10px;padding:6px 20px;background:var(--nb-soft);color:var(--nb-text);border:1px solid var(--nb-line)}.theme-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.theme-option{border:1px solid var(--nb-line);border-radius:var(--nb-small-radius);padding:20px 16px;text-align:left;background:var(--nb-bg);color:var(--nb-text)}.theme-option[aria-checked="true"]{border-color:var(--nb-primary);box-shadow:0 0 0 1px var(--nb-primary)}.theme-option strong{display:block;font-size:13px;margin:14px 0 6px}.theme-option small{display:block;font-size:10px;color:var(--nb-muted);line-height:1.6}.theme-colors{display:flex;gap:5px}.theme-colors i{width:21px;height:21px;border-radius:50%;border:1px solid rgba(125,125,125,.2)}.theme-warm i:nth-child(1){background:#FBF9F4}.theme-warm i:nth-child(2){background:#2D6A4F}.theme-warm i:nth-child(3){background:#E07A5F}.theme-graphite i:nth-child(1){background:#101617}.theme-graphite i:nth-child(2){background:#76D6C0}.theme-graphite i:nth-child(3){background:#A2B4B0}.theme-paper i:nth-child(1){background:white}.theme-paper i:nth-child(2){background:#09090B}.theme-paper i:nth-child(3){background:#71717A}.theme-ink i:nth-child(1){background:#09090B}.theme-ink i:nth-child(2){background:#FAFAFA}.theme-ink i:nth-child(3){background:#71717A}.account-identity{display:flex;gap:15px;align-items:center;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--nb-line)}.account-identity .profile-avatar{width:52px;height:52px;border-radius:50%;background:var(--nb-soft);display:grid;place-items:center}.account-identity strong{font-size:17px;display:block}.account-identity small{display:block;font-size:11px;color:var(--nb-muted);margin-top:6px}.account-identity code{font-size:11px;color:var(--nb-muted)}.profile-menu{margin-top:26px;border-top:1px solid var(--nb-line)}.profile-menu button{width:100%;display:flex;gap:13px;align-items:center;text-align:left;padding:16px 0;background:transparent;border:0;border-bottom:1px solid var(--nb-line);border-radius:0;font-size:13px;box-shadow:none}.profile-menu button .menu-chevron{margin-left:auto;color:var(--nb-muted)}.profile-menu button small{display:block;color:var(--nb-muted);font-size:10px;margin-top:5px}.profile-menu-section{font-size:10px;color:var(--nb-muted);letter-spacing:1px;margin:24px 0 4px}.appearance-back{display:inline-flex;align-items:center;gap:8px;font-size:12px;margin-bottom:24px}.monthly-chart{color:var(--nb-text)}[data-theme="paper"] .panel,[data-theme="ink"] .panel{border-radius:4px}[data-theme="paper"] .chart-bar,[data-theme="ink"] .chart-bar{fill:transparent;stroke:var(--nb-text);stroke-width:1.5}[data-theme="paper"] .analytics-kpi,[data-theme="ink"] .analytics-kpi{box-shadow:none}
@media(max-width:1050px){.app-header{width:200px;padding:28px 12px 16px}#app main{margin-left:200px;padding:36px 28px 24px}#app footer{margin-left:200px;padding:24px 28px}.demo-banner{max-width:calc(100% - 200px)}.analytics-bottom{grid-template-columns:1fr}}
@media(max-width:720px){.app-header{position:sticky;inset:0 0 auto;width:100%;height:auto;min-height:0;padding:15px 18px;flex-direction:row;align-items:center;gap:12px;border:0;border-bottom:1px solid var(--nb-line)}.app-header .brand{font-size:18px;padding:0;align-self:auto;gap:8px}.app-header .brand small{display:none}.app-header .brand img{width:31px;height:31px;border-radius:10px}.nest-switcher{margin:0 0 0 auto;padding:0;max-width:145px;border:0}.nest-switcher select{font-size:10px;width:100%;max-width:145px}.nest-switcher>span{display:none}#navigation{position:fixed;inset:auto 0 0;display:flex;flex-direction:row;align-items:center;justify-content:space-around;gap:0;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--nb-panel);border-top:1px solid var(--nb-line);z-index:10}#navigation a{flex:1;flex-direction:column;gap:5px;padding:9px 3px;font-size:10px;border-radius:8px;min-width:0}#navigation a .nb-icon{width:21px;height:21px}#navigation a[aria-current="page"]{background:transparent}.profile-pill{border:0;background:transparent;padding:0;max-width:32px;flex:none}.profile-pill .profile-avatar{width:32px;height:32px}.profile-pill>span:last-child{display:none}#app main{margin:0;padding:28px 18px 90px;max-width:100%;min-height:80dvh}#app footer{margin:0;padding:20px 18px 100px;font-size:10px}.page-head{gap:18px;flex-wrap:wrap}.page-head h1{font-size:26px}.head-actions{width:100%;justify-content:space-between;flex-direction:row;gap:10px}.head-actions button{flex:1;padding:12px 13px;font-size:12px}.stats,.analytics-kpis{gap:10px}.analytics-kpi{padding:20px 15px}.analytics-kpi>strong{font-size:22px;overflow-wrap:anywhere}.analytics-kpi.main-kpi>strong{font-size:24px}.ledger-row{padding:15px}.fund-board{padding:15px}.demo-banner{position:static;max-width:100%;font-size:9px;padding:8px 18px}.theme-grid{gap:9px}.theme-option{padding:16px 12px}.auth-card{border:0;box-shadow:none}.auth-art{display:none}.auth{padding:32px 20px;min-height:100dvh}.auth-card{background:transparent;max-width:420px;margin:auto;padding:20px 5px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.chart-line{display:none;fill:none;stroke:var(--nb-text);stroke-width:2;pointer-events:none}[data-theme="paper"] .chart-line,[data-theme="ink"] .chart-line{display:block}[data-theme="paper"] .chart-bar,[data-theme="ink"] .chart-bar{fill:transparent;stroke:none}.auth-currency img{width:160px;height:160px;display:block;margin:auto}.auth-currency{font-size:initial}

.summary,.summary.featured,.debt,.member-card{background:var(--nb-panel);color:var(--nb-text);border-color:var(--nb-line);border-radius:var(--nb-radius);box-shadow:var(--nb-shadow)}.main-kpi>strong,.quote-amount,.bill-mine strong,.fund-badge{color:var(--nb-primary)}.avatar,.invite-link{background:var(--nb-soft);color:var(--nb-text)}.rate-strip.warn{background:var(--nb-soft);color:var(--nb-text)}.category meter{background:var(--nb-soft)}.analytics-table tbody tr:hover{background:var(--nb-soft)}.debt-bottom,.method-row,.detail-split,.audit-item,.import-item{border-color:var(--nb-line)}.primary:hover{background:var(--nb-primary)}.monthly-chart a:hover .chart-bar,.monthly-chart a:focus .chart-bar{fill:var(--nb-primary)}[data-theme="paper"] .monthly-chart a:hover .chart-bar,[data-theme="paper"] .monthly-chart a:focus .chart-bar,[data-theme="ink"] .monthly-chart a:hover .chart-bar,[data-theme="ink"] .monthly-chart a:focus .chart-bar{fill:none;stroke:var(--nb-text)}.danger{background:var(--nb-alert);color:var(--nb-bg);border-radius:var(--nb-small-radius)}

label{color:var(--nb-muted)}.tag.orange,.tag.blue{background:var(--nb-soft);color:var(--nb-text)}.rate-record{border-color:var(--nb-line)}.method-row a{color:var(--nb-primary)}.summary-label,.featured .summary-label,.summary p,.featured p,.summary.featured>small{color:var(--nb-muted)}

/* Quiet surfaces, precise financial hierarchy, and one accent per action. */
:root {
  --nb-subtle: color-mix(in srgb, var(--nb-primary) 3%, var(--nb-panel));
}
.panel, .summary, .member-card, .debt, .analytics-kpi, .fund-card, .callout, .qr-box {
  box-shadow: none;
}
.page-head h1 { font-size: 30px; font-weight: 600; letter-spacing: -.9px; }
.section-head h2 { font-size: 15px; letter-spacing: -.1px; }
.section-head { flex-wrap: wrap; row-gap: 10px; }
.panel > .section-head > .muted { line-height: 1.7; }
.summary.featured, .analytics-kpi.main-kpi { background: var(--nb-panel); border-color: var(--nb-line); }
.summary.featured .summary-value, .analytics-kpi.main-kpi > strong { color: var(--nb-primary); }
.analytics-kpis { gap: 0; border: 1px solid var(--nb-line); border-radius: var(--nb-radius); overflow: hidden; }
.analytics-kpi { border: 0; border-right: 1px solid var(--nb-line); border-radius: 0; }
.analytics-kpi:last-child { border-right: 0; }
.analytics-kpi > span { font-size: 12px; }
.analytics-kpi > small { font-size: 11px; line-height: 1.6; }
.tag, .chip, .status { background: var(--nb-subtle); border-radius: 4px; font-size: 10px; line-height: 1.4; }
.tag.orange, .tag.blue { background: var(--nb-subtle); }
.ledger-icon { background: transparent; color: var(--nb-muted); border: 1px solid var(--nb-line); border-radius: var(--nb-small-radius); width: 36px; height: 36px; font-size: 14px; }
.bill-day-title { font-size: 12px; margin: 28px 0 12px; font-weight: 600; letter-spacing: .15px; }
.bill-day > .ledger-list { gap: 0; border: 1px solid var(--nb-line); border-radius: var(--nb-radius); background: var(--nb-panel); overflow: hidden; }
.ledger-item { border-bottom: 1px solid var(--nb-line); }
.ledger-item:last-child { border-bottom: 0; }
.ledger-item .ledger-row { border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.ledger-item .bill-title { color: var(--nb-text); font-weight: 600; }
.ledger-item .bill-title:hover { color: var(--nb-primary); }
.ledger-item .bill-title:focus-visible { outline-offset: 4px; }
.ledger-item .bill-title::after { color: var(--nb-muted); }
.ledger-item .ledger-body > small { font-size: 11px; line-height: 1.8; }
.ledger-item .bill-participants { margin-top: 3px; font-size: 11px; line-height: 1.8; }
.ledger-item .ledger-amount strong, .ledger-item .bill-mine strong { font-size: 16px; font-weight: 600; letter-spacing: -.35px; }
.ledger-item .bill-mine strong { color: var(--nb-text); }
.ledger-item .ledger-amount small, .ledger-item .bill-mine small { font-size: 11px; }
.ledger-item .amount-caption { font-size: 10px; margin-bottom: 6px; }
.bill-detail-inline { border-top: 1px solid var(--nb-line); background: var(--nb-subtle); }
.bill-detail-inline .quote-amount { color: var(--nb-text); }
.bill-detail-inline .details p { font-size: 12px; line-height: 1.8; }
.bill-detail-inline .details .help { color: var(--nb-muted); font-size: 11px; }
.bill-detail-inline .detail-split, .bill-detail-inline .rate-record { border-color: var(--nb-line); }
.bill-detail-inline .callout { background: transparent; border: 0; border-left: 2px solid var(--nb-primary); border-radius: 0; padding: 4px 0 4px 14px; }
.bill-detail-inline .rate-record .ledger-list { gap: 0; }
.bill-detail-inline .modal-actions .text-button.danger { background: transparent; color: var(--nb-alert); }
.bill-detail-inline a { color: var(--nb-primary); }
.debt { border: 0; border-bottom: 1px solid var(--nb-line); border-radius: 0; margin: 0; padding: 24px 0; }
.debt:last-child { border-bottom: 0; padding-bottom: 0; }
.debt .ledger-amount strong { font-weight: 600; letter-spacing: -.4px; }
.debt-bottom { border-top: 0; padding-top: 14px; }
.debt .help { font-size: 11px; }
.net-breakdown { font-size: 12px; }
.net-breakdown summary { color: var(--nb-text); padding: 9px 0; }
.net-breakdown > .ledger-list { gap: 0; }
.net-breakdown .detail-split { gap: 18px; align-items: baseline; }
.net-breakdown .detail-split > strong { text-align: right; white-space: nowrap; font-size: 12px; font-variant-numeric: tabular-nums; }
.net-breakdown .detail-split small { font-size: 11px; line-height: 1.65; }
dialog { border-radius: max(var(--nb-radius), 8px); box-shadow: 0 24px 80px rgba(0,0,0,.16); }
dialog::backdrop { background: rgba(9,16,13,.46); backdrop-filter: none; }
dialog .modal-head .eyebrow { font-size: 10px; letter-spacing: 1.4px; }
dialog .icon-button { background: transparent; color: var(--nb-muted); border: 1px solid var(--nb-line); border-radius: var(--nb-small-radius); }
dialog input, dialog select, dialog textarea { background: var(--nb-panel); min-height: 44px; }
dialog input[type="file"] { font-size: 12px; line-height: 1.6; }
dialog input[type="file"]::file-selector-button { font: inherit; color: var(--nb-text); background: var(--nb-subtle); border: 0; border-right: 1px solid var(--nb-line); padding: 8px 12px; margin: -5px 12px -5px -6px; cursor: pointer; }
dialog input[type="checkbox"], dialog input[type="radio"] { min-height: 0; }
dialog label { color: var(--nb-text); font-size: 12px; }
dialog .help { font-size: 11px; line-height: 1.75; }
.payment-summary { border-bottom: 1px solid var(--nb-line); }
.payment-context { color: var(--nb-muted); }
.payment-amount { color: var(--nb-text); font-family: var(--nb-numbers); }
.payment-summary .quote-note { color: var(--nb-muted); }
.payment-breakdown { border-top: 0; }
.payment-section > h3 { color: var(--nb-muted); font-weight: 600; }
.payment-account .qr-box { background: var(--nb-subtle); border-radius: var(--nb-small-radius); box-shadow: none; }
.payment-account .qr-box img { background: white; border: 1px solid var(--nb-line); border-radius: 4px; }
.payment-account .qr-box > .muted { font-size: 11px; }
.payment-next { color: var(--nb-muted); }
#pay-dialog .checkbox-label { border-top: 1px solid var(--nb-line); }
#pay-dialog .modal-actions { border-top: 1px solid var(--nb-line); }
#pay-dialog .modal-head, #pay-dialog .modal-actions { background: var(--nb-panel); }
.bill-proof summary { color: var(--nb-primary); }
.bill-proof img, .details .bill-proof img { background: white; border: 1px solid var(--nb-line); border-radius: var(--nb-small-radius); }
.collection-method { border-bottom: 1px solid var(--nb-line); }
.collection-method:last-of-type { border-bottom: 0; }
.collection-method-heading > .tag { background: var(--nb-subtle); }
.collection-method-meta { color: var(--nb-text); }
.collection-method-meta small { color: var(--nb-muted); }
.collection-method-actions .text-button { color: var(--nb-primary); }
.collection-method-actions .text-button.danger { background: transparent; color: var(--nb-alert); }
.collection-method-actions .secondary { padding: 7px 12px; }
.method-editor .qr-box { background: var(--nb-subtle); border-radius: var(--nb-small-radius); box-shadow: none; }
.tabs { background: transparent; border-bottom: 1px solid var(--nb-line); border-radius: 0; gap: 22px; overflow: auto; }
.tabs button { border: 0; border-radius: 0; padding: 12px 0; border-bottom: 2px solid transparent; color: var(--nb-muted); }
.tabs button.active { background: transparent; border: 0; border-bottom: 2px solid var(--nb-primary); color: var(--nb-text); }
.rate-strip { background: transparent; border: 1px solid var(--nb-line); border-radius: var(--nb-small-radius); }
.rate-strip.warn { background: var(--nb-subtle); }
.text-button.danger { background: transparent; color: var(--nb-alert); }
.settlement-summary { background: var(--nb-panel); border: 1px solid var(--nb-line); border-radius: var(--nb-radius); box-shadow: none; }
.settlement-summary > article { border-right: 1px solid var(--nb-line); }
.settlement-summary > article:last-child { border-right: 0; }
.settlement-summary > article > strong { color: var(--nb-text); font-family: var(--nb-numbers); }
.settlement-summary > article > span, .settlement-summary > article > label, .settlement-summary > article > small { color: var(--nb-muted); }
.settlement-empty h3 { color: var(--nb-text); }
.settlement-empty p, .settlement-history-empty { color: var(--nb-muted); }
.settlement-empty .secondary { background: transparent; }
[data-theme="paper"] dialog, [data-theme="ink"] dialog { border-radius: 4px; }

@media (max-width: 1000px) {
  .analytics-kpi:nth-child(2) { border-right: 0; }
  .analytics-kpi:nth-child(-n+2) { border-bottom: 1px solid var(--nb-line); }
}
@media (max-width: 720px) {
  .page-head h1 { font-size: 26px; }
  .panel { padding: 20px 16px; }
  .ledger-item .ledger-body > small, .ledger-item .bill-participants { font-size: 11px; }
  .ledger-item .ledger-amount small, .ledger-item .bill-mine small { font-size: 10px; }
  .debt { padding: 22px 0; }
  .debt-top { align-items: baseline; }
  .debt-bottom > .primary { padding: 11px 13px; }
  .tabs { gap: 20px; }
  .tabs button { font-size: 12px; }
  .analytics-kpis { gap: 0; }
  dialog .modal-head h2 { font-size: 19px; }
  dialog input, dialog select, dialog textarea, dialog input[type="file"] { font-size: 16px; }
  dialog label, dialog .help, .payment-next, .payment-context, .payment-summary .quote-note { font-size: 13px; }
  dialog input[type="file"]::file-selector-button { font-size: 13px; }
  #pay-dialog .checkbox-label { font-size: 13px; }
  .payment-account .qr-box > p, .payment-account .qr-box > .muted { font-size: 13px; }
  .payment-breakdown > .help { font-size: 13px; }
  #pay-dialog .amount-caption { font-size: 12px; }
  .bill-detail-inline .details .quote-amount { font-size: 24px; }
}

/* Refresh layer: category colour, steady numerals, calmer bill rows, compact phone overview.
   Built only on theme tokens, so all four presets keep their own character. */
:root,[data-theme="warm"]{--cat-food:#C4553B;--cat-daily:#23877B;--cat-home:#5A5E96;--cat-transport:#B07A10;--cat-study:#33739C;--cat-fun:#A9446F;--cat-other:#6F746A}
[data-theme="graphite"]{--cat-food:#F2A08A;--cat-daily:#76D6C0;--cat-home:#AEB2EC;--cat-transport:#EBC46E;--cat-study:#8FC6EA;--cat-fun:#EEA6C8;--cat-other:#A2B4B0}
[data-theme="paper"],[data-theme="ink"]{--cat-food:var(--nb-text);--cat-daily:var(--nb-text);--cat-home:var(--nb-text);--cat-transport:var(--nb-text);--cat-study:var(--nb-text);--cat-fun:var(--nb-text);--cat-other:var(--nb-text)}
.ledger-icon[data-category]{--cat:var(--cat-other);color:var(--cat);background:color-mix(in srgb,var(--cat) 12%,var(--nb-panel));border:1px solid color-mix(in srgb,var(--cat) 26%,var(--nb-panel));font-weight:600}
.ledger-icon[data-category="food"]{--cat:var(--cat-food)}
.ledger-icon[data-category="daily"]{--cat:var(--cat-daily)}
.ledger-icon[data-category="home"]{--cat:var(--cat-home)}
.ledger-icon[data-category="transport"]{--cat:var(--cat-transport)}
.ledger-icon[data-category="study"]{--cat:var(--cat-study)}
.ledger-icon[data-category="fun"]{--cat:var(--cat-fun)}
[data-theme="paper"] .ledger-icon[data-category],[data-theme="ink"] .ledger-icon[data-category]{background:transparent;border-color:var(--nb-line)}
.summary-value,.ledger-amount strong,.bill-mine strong,.analytics-kpi strong,.settlement-summary strong,.debt strong,.quote-amount,.detail-split strong{font-variant-numeric:tabular-nums}
.ledger-item .ledger-row{padding-top:15px;padding-bottom:15px;transition:border-color .15s ease,background-color .15s ease}
@media (hover:hover){.ledger-item .ledger-row:hover{border-color:color-mix(in srgb,var(--nb-primary) 38%,var(--nb-line))}}
.ledger-item:has(.bill-title[aria-expanded="true"]) .ledger-row{border-color:color-mix(in srgb,var(--nb-primary) 50%,var(--nb-line))}
.bill-day-title{color:var(--nb-text);letter-spacing:.2px}
.bill-day-title span{color:var(--nb-muted)}
@media (max-width:720px){
  .overview-summary{grid-template-columns:1fr 1fr}
  .overview-summary>.summary:first-child{grid-column:1/-1}
  .overview-summary>.summary:not(:first-child){grid-column:auto}
  .overview-summary>.summary:not(:first-child){padding:16px}
  .overview-summary>.summary:not(:first-child) .summary-value{font-size:clamp(18px,5.4vw,24px);overflow-wrap:anywhere}
  .ledger-item .ledger-row{padding:14px 16px;gap:10px 14px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* 合租小票 / 小票夜色: the public page's paper, tomato and monospace receipts, toned down for daily use.
   The promo page can shout; the app is opened every day, so colour is kept to one action, one status and the numbers. */
[data-theme="receipt"]{--nb-bg:#F4F0E8;--nb-panel:#FFFDF9;--nb-text:#1F1B16;--nb-muted:#645C51;--nb-line:#E4DDD0;--nb-primary:#E8573A;--nb-on-primary:#1F1B16;--nb-soft:#EFE9DD;--nb-positive:#3044C8;--nb-alert:#B9381E;--nb-chart:#E8573A;--nb-ring:#3044C8;--nb-radius:14px;--nb-small-radius:10px;--nb-shadow:none;--nb-font:"DM Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--nb-numbers:"JetBrains Mono",ui-monospace,monospace;--rc-rule:#D9D1C2;--rc-tint:#FBF4E2;--rc-cobalt:#3044C8;--cat-food:#C24A2C;--cat-daily:#2C7A64;--cat-home:#3E50B4;--cat-transport:#93681A;--cat-study:#5E55A8;--cat-fun:#A84468;--cat-other:#645C51}
[data-theme="receipt-night"]{--nb-bg:#15130F;--nb-panel:#1C1915;--nb-text:#ECE6DA;--nb-muted:#A69D8E;--nb-line:#312C25;--nb-primary:#EE6A4E;--nb-on-primary:#15130F;--nb-soft:#26221C;--nb-positive:#A3ADF5;--nb-alert:#F0927A;--nb-chart:#EE6A4E;--nb-ring:#A3ADF5;--nb-radius:14px;--nb-small-radius:10px;--nb-shadow:none;--nb-font:"DM Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--nb-numbers:"JetBrains Mono",ui-monospace,monospace;--rc-rule:#3A342B;--rc-tint:#221F18;--rc-cobalt:#A3ADF5;--cat-food:#E99580;--cat-daily:#7CC7AF;--cat-home:#A3ADF5;--cat-transport:#D9B46A;--cat-study:#B8AEEA;--cat-fun:#E79CB8;--cat-other:#A69D8E}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(h1,h2,h3){font-weight:700;letter-spacing:-.01em}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .page-head h1{letter-spacing:-.02em}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .eyebrow{font-family:var(--nb-numbers);letter-spacing:.12em}
/* Surfaces: hairline paper cards; the receipt cue is the dashed rule, not heavy ink. */
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.panel,.summary,.member-card,.debt,.fund-card,.auth-card,.analytics-kpis,.settlement-summary){border:1px solid var(--nb-line);border-radius:var(--nb-radius);background:var(--nb-panel);box-shadow:none}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.overview-summary>.summary:first-child,.summary.featured){background:var(--rc-tint);border-color:var(--nb-line)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .ledger-row{border:1px dashed var(--rc-rule);border-radius:12px;background:var(--nb-panel)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .ledger-item .ledger-row:hover{border-style:solid;border-color:var(--rc-rule)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .ledger-icon[data-category]{border-radius:10px;border:1px solid color-mix(in srgb,currentColor 35%,transparent);background:transparent}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.summary-value,.ledger-amount strong,.bill-mine strong,.analytics-kpi>strong,.main-kpi>strong,.quote-amount,.payment-amount,.debt .ledger-amount strong,.settlement-summary>article>strong){font-family:var(--nb-numbers);font-weight:400;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
/* Actions: one flat tomato pill for the main action; everything else stays neutral. */
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(button.primary,.primary){background:var(--nb-primary);color:var(--nb-on-primary);border:0;border-radius:999px;box-shadow:none;font-weight:700}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(button.primary,.primary):hover{background:var(--nb-primary);filter:brightness(.95)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(button.secondary,.secondary){background:var(--nb-panel);color:var(--nb-text);border:1px solid var(--nb-line);border-radius:999px;font-weight:600}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(input,select,textarea){border:1px solid var(--nb-line);border-radius:10px;background:var(--nb-panel)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(input,select,textarea):focus{border-color:var(--rc-cobalt);box-shadow:0 0 0 3px color-mix(in srgb,var(--rc-cobalt) 18%,transparent)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.tag,.chip,.status){border-radius:999px;border:1px solid var(--nb-line);font-weight:500}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .tabs{gap:8px;border-bottom:0}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .tabs button{border-radius:999px;border:1px solid transparent;padding:8px 16px;white-space:nowrap;min-width:max-content;margin:0}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .tabs button.active{background:var(--nb-soft);color:var(--nb-text);border-color:var(--nb-line)}
/* Shell */
:is([data-theme="receipt"],[data-theme="receipt-night"]) #navigation a{border-radius:999px;font-weight:500}
:is([data-theme="receipt"],[data-theme="receipt-night"]) #navigation a[aria-current="page"]{background:var(--nb-soft);color:var(--nb-text);font-weight:600}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.profile-pill,.nest-switcher){border:1px solid var(--nb-line);background:var(--nb-panel)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .profile-pill{border-radius:999px}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .nest-switcher{border-radius:14px}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .nest-switcher select{border:0;background:transparent;box-shadow:none;border-radius:0}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.rate-strip,.callout){border:1px dashed var(--rc-rule);border-radius:12px;background:transparent}
:is([data-theme="receipt"],[data-theme="receipt-night"]) dialog{border:1px solid var(--nb-line);border-radius:20px;box-shadow:0 24px 64px rgba(20,16,10,.16);background:var(--nb-panel)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.icon-button,dialog .icon-button){border-radius:999px}
:is([data-theme="receipt"],[data-theme="receipt-night"]) #toast{background:var(--nb-text);color:var(--nb-bg);border-radius:999px}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .auth-art{background:var(--nb-soft);color:var(--nb-text)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .auth-art :is(small,span){color:var(--nb-muted)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .theme-option{border-radius:14px}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .theme-option[aria-checked="true"]{border:1.5px solid var(--nb-text);box-shadow:none}
:is([data-theme="receipt"],[data-theme="receipt-night"]) .theme-grid+.help{margin-top:16px}
.theme-receipt i:nth-child(1){background:#F4F0E8}.theme-receipt i:nth-child(2){background:#E8573A}.theme-receipt i:nth-child(3){background:#3044C8}
.theme-receipt-night i:nth-child(1){background:#15130F}.theme-receipt-night i:nth-child(2){background:#EE6A4E}.theme-receipt-night i:nth-child(3){background:#A3ADF5}
/* Tomato is for fills only; small text uses ink or cobalt to stay readable on paper. */
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.text-button:not(.bill-title),.method-row a,.bill-detail-inline a,.bill-proof summary,.collection-method-actions .text-button,.ledger-item .bill-title:hover){color:var(--rc-cobalt)}
:is([data-theme="receipt"],[data-theme="receipt-night"]) :is(.rate-strip strong,.ledger-icon:not([data-category]),.empty-icon,.main-kpi>strong,.quote-amount,.bill-mine strong,.fund-badge,.analytics-kpi.main-kpi>strong,.summary.featured .summary-value){color:var(--nb-text)}
.language-list{display:grid;gap:10px}.language-list .theme-option{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px}.language-list .theme-option strong{margin:0;font-size:14px}.language-list .theme-option svg{width:18px;height:18px}
.auth-links select[data-language]{width:auto;min-height:0;padding:4px 8px;font-size:12px;background:transparent}