:root{--bg:#f4f7f5;--surface:#fff;--surface-strong:#ecf3f0;--ink:#18201d;--muted:#69746f;--border:#cfdcd6;--accent:#0f766e;--accent-strong:#0a5f59;--accent-soft:#dff2ee;--sun:#f2c94c;--warm:#d94f30;--blue:#1769aa;--gold:#a97800;--shadow:0 18px 45px #1b342d1f;--font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--ink);background:var(--bg);font-family:var(--font);letter-spacing:0;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.45}*{box-sizing:border-box}body{min-width:320px;min-height:100svh;margin:0}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}#root{min-height:100svh}.app-shell{width:min(100%,1040px);min-height:100svh;margin:0 auto;padding:24px}.access-shell{place-items:center;width:100%;min-height:100svh;margin:0 auto;padding:24px;display:grid}.access-panel{border:1px solid var(--border);background:var(--surface);width:min(100%,460px);min-width:0;box-shadow:var(--shadow);border-radius:8px;gap:24px;padding:18px;display:grid}.access-brand{align-items:center;gap:14px;display:flex}.app-header{flex-wrap:wrap;align-items:center;gap:14px;padding:8px 0 18px;display:flex}.brand-mark{width:54px;height:54px;color:var(--accent);background:var(--surface);box-shadow:var(--shadow);border:1px solid #0f766e47;border-radius:8px;flex:0 0 54px;place-items:center;display:grid}.brand-image{object-fit:cover;border-radius:8px;width:42px;height:42px;display:block}.eyebrow{color:var(--warm);text-transform:uppercase;margin:0;font-size:.78rem;font-weight:800}.header-title{gap:4px;min-width:0;display:grid}.sync-pill{width:max-content;min-height:30px;color:var(--accent-strong);background:var(--accent-soft);white-space:nowrap;border:1px solid #0f766e40;border-radius:999px;align-items:center;gap:7px;padding:0 10px;font-size:.72rem;font-weight:850;display:inline-flex}.sync-pill>span{background:currentColor;border-radius:50%;width:7px;height:7px}.sync-pill.is-busy>span{animation:.9s ease-in-out infinite alternate pulse}.sync-pill.is-local{color:var(--warm);background:#fff0ea;border-color:#d94f3042}h1,h2,p{margin:0}h1{font-size:2.15rem;line-height:1}h2{font-size:1.05rem;line-height:1.2}.feature-dock{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px;display:grid}.feature-tab{--tab-color:var(--accent);--tab-soft:var(--accent-soft);border:1px solid color-mix(in srgb, var(--tab-color) 28%, var(--border));min-width:0;min-height:72px;color:var(--ink);background:var(--surface);border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:8px 10px;font-weight:850;display:flex;box-shadow:0 8px 22px #1b342d14}.feature-tab[data-tool=exchange]{--tab-color:var(--accent);--tab-soft:#dff2ee}.feature-tab[data-tool=division]{--tab-color:var(--blue);--tab-soft:#e0eef8}.feature-tab[data-tool=expenses]{--tab-color:var(--gold);--tab-soft:#fff0c9}.feature-tab[data-tool=debts]{--tab-color:var(--warm);--tab-soft:#fbe4de}.feature-icon{border:1px solid color-mix(in srgb, var(--tab-color) 36%, transparent);width:46px;height:42px;color:var(--tab-color);background:var(--tab-soft);border-radius:8px;flex:0 0 46px;place-items:center;display:grid}.feature-tab.is-active{border-color:var(--tab-color);color:var(--tab-color);background:linear-gradient(180deg, var(--tab-soft), var(--surface));box-shadow:0 0 0 4px color-mix(in srgb, var(--tab-color) 14%, transparent), var(--shadow)}.feature-tab.is-active .feature-icon{border-color:var(--tab-color);color:#fff;background:var(--tab-color)}.rate-bar,.panel,.person-chip,.split-list li,.record-list li{border:1px solid var(--border);background:var(--surface)}.rate-bar{border-radius:8px;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;padding:8px;display:flex}.segmented-control,.preset-row{background:var(--surface-strong);border-radius:8px;gap:4px;padding:4px;display:flex}.segmented-control button,.preset-row button,.refresh-button{min-height:42px;color:var(--muted);background:0 0;border:0;border-radius:7px;font-weight:800}.segmented-control button{padding:0 14px}.segmented-control button.is-active,.preset-row button.is-active{color:#fff;background:var(--accent)}.refresh-button{color:var(--accent-strong);justify-content:center;align-items:center;gap:8px;padding:0 14px;display:inline-flex}.tool-grid{grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);gap:16px;display:grid}.ledger-grid{grid-template-columns:minmax(0,.95fr) minmax(360px,1.05fr)}.panel{min-width:0;box-shadow:var(--shadow);border-radius:8px;padding:18px}.converter-panel,.split-panel{max-width:720px}.panel-title{color:var(--accent-strong);align-items:center;gap:8px;margin-bottom:16px;display:flex}.stack-form{gap:12px;display:grid}.form-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.money-field,.text-field,.select-field{gap:8px;display:grid}.money-field span,.text-field span,.select-field span,.result-label,.rate-details dt,.share-summary span,.share-summary small,.conversion-result small,.status-message,.total-strip span,.record-list span,.debt-list small,.summary-card small{color:var(--muted)}.money-field span,.text-field span,.select-field span,.result-label,.rate-details dt,.share-summary span,.total-strip span{text-transform:uppercase;font-size:.82rem;font-weight:800}.money-field input,.text-field input,.select-field select{border:2px solid var(--border);width:100%;min-height:52px;color:var(--ink);background:#fff;border-radius:8px;padding:8px 12px;font-weight:850}.money-field input{min-height:72px;padding:8px 14px;font-size:2.1rem;font-weight:900}.compact-field input{min-height:58px;font-size:1.55rem}.money-field input:focus,.text-field input:focus,.select-field select:focus,button:focus-visible{outline-offset:2px;outline:3px solid #0f766e3d}.conversion-result{border-left:6px solid var(--sun);background:var(--accent-soft);border-radius:8px;gap:4px;margin:18px 0;padding:18px;display:grid}.conversion-result strong{font-size:2.4rem;line-height:1.05}.conversion-result small{font-size:1rem;font-weight:800}.rate-details{gap:8px;margin:0;display:grid}.rate-details div{border-top:1px solid var(--border);justify-content:space-between;gap:12px;padding:10px 0;display:flex}.rate-details dd{max-width:62%;color:var(--ink);text-align:right;margin:0;font-weight:800}.status-message{margin-top:12px;font-size:.88rem}.status-message.is-error{color:var(--warm);font-weight:800}.split-panel{flex-direction:column;display:flex}.preset-row{margin-bottom:12px}.stack-form .preset-row{margin-bottom:0}.preset-row button{flex:1 1 0;padding:0 10px}.people-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.people-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.person-chip{min-height:46px;color:var(--ink);border-radius:8px;align-items:center;gap:8px;padding:0 10px;font-weight:850;display:flex}.person-chip.is-selected{background:var(--accent-soft);border-color:#0f766e80}.check-dot{border:1px solid var(--border);color:#fff;background:#fff;border-radius:50%;flex:0 0 22px;place-items:center;width:22px;height:22px;display:grid}.person-chip.is-selected .check-dot{border-color:var(--accent);background:var(--accent)}.mini-split{flex-wrap:wrap;gap:6px;display:flex}.mini-split span{min-height:30px;color:var(--accent-strong);background:var(--accent-soft);border-radius:999px;align-items:center;padding:0 9px;font-size:.82rem;font-weight:800;display:inline-flex}.share-summary{color:#fff;background:var(--accent);border-radius:8px;gap:4px;margin:16px 0;padding:16px;display:grid}.share-summary span,.share-summary small{color:#ffffffd1}.share-summary strong{font-size:2rem;line-height:1.08}.split-list,.record-list,.debt-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.split-list li{border-radius:8px;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:0 12px;display:flex}.split-list span{color:var(--muted);align-items:center;gap:8px;font-weight:800;display:inline-flex}.total-strip{color:#fff;background:var(--accent);border-radius:8px;gap:2px;margin-bottom:12px;padding:14px;display:grid}.total-strip span{color:#ffffffc7}.total-strip strong{font-size:1.55rem}.total-strip small{color:#ffffffc7;font-size:.82rem;font-weight:800}.record-list li{border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.record-list li>div:first-child{gap:2px;min-width:0;display:grid}.record-list span{text-overflow:ellipsis;white-space:nowrap;font-size:.88rem;overflow:hidden}.record-actions{flex:none;align-items:center;gap:8px;display:inline-flex}.icon-only{border:1px solid var(--border);width:36px;height:36px;color:var(--muted);background:#fff;border-radius:8px;place-items:center;display:grid}.icon-only.danger{color:var(--warm)}.primary-action,.secondary-action{border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:46px;font-weight:850;display:inline-flex}.primary-action{color:#fff;background:var(--accent);border:0}.remember-row{min-height:38px;color:var(--muted);align-items:center;gap:10px;font-size:.9rem;font-weight:800;display:flex}.remember-row input{width:20px;height:20px;accent-color:var(--accent)}.secondary-action{color:var(--accent-strong);background:var(--accent-soft);border:1px solid #0f766e61;padding:0 12px}.debt-list{gap:10px;margin-bottom:16px}.debt-pill{background:#fff7f4;border:1px solid #d94f3047;border-radius:8px;gap:10px;padding:12px;display:grid}.debt-pill-head{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.debt-pill-head>div{gap:1px;min-width:0;display:grid}.debt-pill-head span{color:var(--warm);text-transform:uppercase;font-size:.82rem;font-weight:850}.debt-pill-head strong{color:var(--ink);font-size:1.5rem;line-height:1.05}.debt-pill-head small{color:var(--muted);font-size:.82rem;font-weight:800}.debt-pill-head b{min-height:26px;color:var(--warm);white-space:nowrap;background:#fde9e4;border-radius:999px;align-items:center;padding:0 8px;font-size:.72rem;display:inline-flex}.debt-pill-lines{gap:6px;display:grid}.debt-line{min-height:42px;color:var(--ink);text-align:left;background:#fff;border:1px solid #0f766e38;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"to uyu""ars ars";align-items:center;gap:1px 8px;padding:7px 9px;display:grid}.debt-line span{color:var(--muted);text-transform:none;grid-area:to;font-size:.88rem;font-weight:850}.debt-line strong{color:var(--accent-strong);grid-area:uyu;font-size:1rem;line-height:1}.debt-line small{color:var(--muted);grid-area:ars;font-size:.74rem;font-weight:800}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.summary-card{border:1px solid var(--border);background:#fff;border-radius:8px;gap:3px;min-width:0;padding:10px;display:grid}.summary-card span{color:var(--muted);text-transform:uppercase;font-size:.82rem;font-weight:850}.summary-card strong{font-size:.98rem}.summary-card strong.negative{color:var(--warm)}.summary-card strong.positive{color:var(--accent-strong)}.summary-card small{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.empty-state{border:1px dashed var(--border);color:var(--muted);background:var(--surface-strong);border-radius:8px;padding:18px;font-weight:800}.payment-history{margin-top:16px}.header-actions{align-items:center;gap:8px;margin-left:auto;display:inline-flex}.identity-chip{min-height:36px;color:var(--accent-strong);background:var(--accent-soft);white-space:nowrap;border:1px solid #0f766e4d;border-radius:999px;align-items:center;gap:6px;padding:0 12px;font-size:.8rem;font-weight:850;display:inline-flex}.ghost-link{min-height:40px;color:var(--accent-strong);background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;font-weight:800;display:inline-flex}a.primary-action{text-decoration:none}.modal-backdrop{z-index:60;-webkit-backdrop-filter:blur(4px);background:#121a178c;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.modal-card{border:1px solid var(--border);background:var(--surface);width:min(100%,440px);max-height:calc(100svh - 36px);box-shadow:var(--shadow);border-radius:12px;gap:14px;padding:20px;display:grid;overflow-y:auto}.install-block{border:1px solid var(--border);background:var(--surface-strong);border-radius:10px;gap:10px;padding:14px;display:grid}.install-block h3{margin:0;font-size:1rem}.install-steps{color:var(--ink);gap:6px;margin:0;padding-left:20px;font-weight:700;display:grid}.trash-block{border-top:1px dashed var(--border);margin-top:16px;padding-top:12px}.trash-head{color:var(--muted);text-transform:uppercase;align-items:center;gap:6px;margin-bottom:8px;font-size:.8rem;font-weight:850;display:inline-flex}.record-list li.is-trashed{background:var(--surface-strong);opacity:.92}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%{opacity:.28;transform:scale(.75)}to{opacity:1;transform:scale(1)}}@media (width<=860px){.tool-grid,.ledger-grid{grid-template-columns:1fr}.converter-panel,.split-panel{max-width:none}}@media (width<=760px){.app-shell{padding:16px 12px calc(96px + env(safe-area-inset-bottom))}.access-shell{place-items:start stretch;padding:18px 12px}.sync-pill{min-height:28px;padding:0 8px;font-size:.68rem}.feature-dock{z-index:20;width:100vw;max-width:100vw;padding:8px 8px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--border);-webkit-backdrop-filter:blur(20px)saturate(1.25);background:#f4f7f5eb;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;position:fixed;bottom:0;left:0;right:0;overflow:hidden;box-shadow:0 -10px 28px #1b342d1f}.feature-tab{min-height:62px;box-shadow:none;background:0 0;border:0;border-radius:8px;flex-direction:column;gap:4px;padding:4px;font-size:.72rem}.feature-tab.is-active{box-shadow:none;background:0 0}.feature-icon{flex-basis:42px;width:42px;height:34px}.rate-bar{flex-direction:column;align-items:stretch}.segmented-control button{flex:1 1 0;padding:0 8px}.refresh-button{background:#fff}.panel{padding:14px}.money-field input{min-height:66px;font-size:1.85rem}.compact-field input{min-height:56px;font-size:1.45rem}.conversion-result strong{font-size:2rem}.people-grid,.summary-grid,.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.people-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.record-list li{flex-direction:column;align-items:stretch}.debt-pill{padding:10px}.debt-pill-head strong{font-size:1.35rem}.debt-line{min-height:38px}.record-actions{justify-content:space-between}}@media (width<=390px){.people-grid,.summary-grid,.form-grid{grid-template-columns:1fr}.people-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.money-field input{font-size:1.55rem}.conversion-result strong,.share-summary strong{font-size:1.65rem}.feature-tab{font-size:.68rem}}