:root{--ink: #16241F;--ink-light: #2A3B35;--paper: #F3F1EB;--paper-raised: #FAF9F5;--paper-hover: #F0EEE6;--brass: #B38138;--brass-dark: #8F6426;--brass-light: rgba(179, 129, 56, .12);--brass-glow: rgba(179, 129, 56, .25);--debt: #A83636;--debt-bg: rgba(168, 54, 54, .08);--credit: #246B60;--credit-bg: rgba(36, 107, 96, .08);--kitty-color: #7B3F97;--kitty-bg: rgba(123, 63, 151, .09);--line: rgba(22, 36, 31, .13);--line-strong: rgba(22, 36, 31, .22);--muted: rgba(22, 36, 31, .62);--muted-light: rgba(22, 36, 31, .42);--shadow-sm: 0 1px 3px rgba(22, 36, 31, .05);--shadow-md: 0 4px 12px rgba(22, 36, 31, .08);--shadow-lg: 0 12px 32px rgba(22, 36, 31, .14);--font-serif: "Fraunces", Georgia, serif;--font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px}[data-theme=dark]{--ink: #EDECE6;--ink-light: #CAD5CF;--paper: #121715;--paper-raised: #1A211E;--paper-hover: #222B27;--brass: #D4A257;--brass-dark: #E6B66C;--brass-light: rgba(212, 162, 87, .18);--brass-glow: rgba(212, 162, 87, .35);--debt: #E86565;--debt-bg: rgba(232, 101, 101, .16);--credit: #38B8A4;--credit-bg: rgba(56, 184, 164, .16);--kitty-color: #B97CE8;--kitty-bg: rgba(185, 124, 232, .16);--line: rgba(237, 236, 230, .12);--line-strong: rgba(237, 236, 230, .22);--muted: rgba(237, 236, 230, .62);--muted-light: rgba(237, 236, 230, .38);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .35);--shadow-md: 0 4px 14px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 36px rgba(0, 0, 0, .65)}[data-theme=dark] .es-btn-primary{color:#121715;font-weight:600}[data-theme=dark] .es-btn-secondary{background:var(--paper-hover);color:var(--ink);border-color:var(--line)}[data-theme=dark] .es-btn-secondary:not(:disabled):hover{background:var(--line-strong)}[data-theme=dark] .es-overlay{background:#000000b8}[data-theme=dark] .es-cat-pill-active{background:var(--brass);color:#121715;border-color:var(--brass-dark);font-weight:600}[data-theme=dark] .es-root{box-shadow:0 0 50px #0009}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{min-height:100%;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:14.5px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.es-root{width:100%;max-width:520px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:var(--paper);position:relative;box-shadow:0 0 40px #0000000a}.es-display{font-family:var(--font-serif);font-weight:600}.es-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.es-muted{color:var(--muted)}.es-muted-sm{color:var(--muted);font-size:12.5px}.es-row-between{display:flex;align-items:center;justify-content:space-between}.es-row-gap{display:flex;align-items:center;gap:8px}.es-center{display:flex;align-items:center;justify-content:center}.es-nowrap{white-space:nowrap}.es-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.es-header{padding:15px 16px 12px;background:var(--paper);position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.es-header-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.es-trip-selector-btn{display:flex;align-items:center;gap:6px;background:none;border:none;padding:4px 6px;margin:-4px -6px;border-radius:var(--radius-sm);cursor:pointer;color:var(--ink);transition:background .15s ease;text-align:left;min-width:0;flex:1}.es-trip-selector-btn:hover{background:var(--line)}.es-trip-title{font-size:20px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.es-header-actions{display:flex;align-items:center;gap:3px;flex-shrink:0}.es-icon-btn{background:none;border:none;padding:6px;width:32px;height:32px;border-radius:var(--radius-sm);cursor:pointer;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.es-icon-btn:hover{color:var(--ink);background:var(--line)}.es-member-chips-bar{display:flex;align-items:center;gap:6px;margin-top:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.es-member-chips-bar::-webkit-scrollbar{display:none}.es-avatar-pill{display:inline-flex;align-items:center;gap:5px;background:var(--paper-raised);border:1px solid var(--line);padding:3px 8px 3px 4px;border-radius:var(--radius-full);font-size:12px;font-weight:500;color:var(--ink);white-space:nowrap;flex-shrink:0}.es-avatar-circle{width:20px;height:20px;border-radius:50%;background:var(--brass);color:#fff;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600;text-transform:uppercase;flex-shrink:0}.es-avatar-kitty{background:var(--kitty-color)}.es-perforation{border-top:1.5px dashed var(--line);margin:0 20px}.es-perforation-tight{border-top:1px dashed var(--line);margin:16px 0}.es-nav-tabs{display:flex;padding:0 16px;gap:14px;border-bottom:1px solid var(--line);background:var(--paper);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.es-nav-tabs::-webkit-scrollbar{display:none}.es-nav-tab{background:none;border:none;padding:12px 2px;font-size:13px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:6px;white-space:nowrap;flex-shrink:0}.es-nav-tab:hover{color:var(--ink)}.es-nav-tab-active{color:var(--ink);font-weight:600;border-bottom-color:var(--brass)}.es-tab-badge{font-size:10.5px;padding:1px 6px;border-radius:var(--radius-full);background:var(--brass-light);color:var(--brass-dark);font-weight:600;white-space:nowrap;flex-shrink:0}.es-main-body{padding:16px 20px 80px;flex:1}.es-summary-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:16px;box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:space-between;gap:12px}.es-summary-stat-label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:2px}.es-summary-stat-val{font-size:22px;font-weight:700;color:var(--ink);white-space:nowrap}.es-category-pills{display:flex;gap:6px;overflow-x:auto;padding-bottom:8px;margin-bottom:14px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.es-category-pills::-webkit-scrollbar{display:none}.es-cat-pill{background:var(--paper-raised);border:1px solid var(--line);padding:5px 11px;border-radius:var(--radius-full);font-size:12px;color:var(--muted);cursor:pointer;white-space:nowrap;font-family:inherit;transition:all .15s ease;flex-shrink:0}.es-cat-pill:hover{border-color:var(--line-strong);color:var(--ink)}.es-cat-pill-active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.es-expense-list{display:flex;flex-direction:column;gap:10px;list-style:none}.es-expense-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-md);padding:13px 15px;transition:transform .12s ease,box-shadow .12s ease;box-shadow:var(--shadow-sm)}.es-expense-card:hover{box-shadow:var(--shadow-md);border-color:var(--line-strong)}.es-expense-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.es-expense-desc{font-weight:600;font-size:15px;color:var(--ink);line-height:1.35}.es-expense-cat-badge{display:inline-block;font-size:10.5px;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:var(--radius-full);padding:1px 7px;margin-left:6px;vertical-align:middle;white-space:nowrap}.es-expense-card-sub{font-size:12.5px;color:var(--muted);margin-top:4px}.es-expense-payer-kitty{color:var(--kitty-color);font-weight:600}.es-expense-amount{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;font-family:var(--font-mono)}.es-expense-foreign{font-size:11px;color:var(--muted);text-align:right;margin-top:2px;white-space:nowrap}.es-expense-card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:9px;border-top:1px dashed var(--line)}.es-expense-date{font-size:12px;color:var(--muted-light);white-space:nowrap}.es-card-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.es-balance-card{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;min-height:56px;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:8px;gap:12px;box-sizing:border-box}.es-amount-credit{color:var(--credit);font-weight:700;white-space:nowrap}.es-amount-debt{color:var(--debt);font-weight:700;white-space:nowrap}.es-amount-even{color:var(--muted);font-weight:500;white-space:nowrap}.es-settle-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:8px;gap:8px}.es-settle-arrow{color:var(--brass);margin:0 4px;vertical-align:middle;display:inline-flex}.es-kitty-hero{background:linear-gradient(135deg,#7b3f9714,#b8863b14);border:1.5px solid rgba(123,63,151,.22);border-radius:var(--radius-lg);padding:18px 20px;margin-bottom:18px;text-align:center}.es-kitty-balance-title{font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:600;color:var(--kitty-color);margin-bottom:4px}.es-kitty-balance-val{font-size:32px;font-weight:700;color:var(--ink);font-family:var(--font-mono)}.es-kitty-stats-row{display:flex;justify-content:space-around;margin-top:14px;padding-top:12px;border-top:1px dashed rgba(123,63,151,.2)}.es-kitty-stat{text-align:center;flex:1;min-width:0}.es-kitty-stat-label{font-size:11px;color:var(--muted);margin-bottom:2px;white-space:nowrap}.es-kitty-stat-num{font-size:14px;font-weight:600;white-space:nowrap}.es-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:var(--radius-sm);border:1px solid transparent;padding:9px 16px;font-size:13.5px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s ease;text-decoration:none;white-space:nowrap;flex-shrink:0}.es-btn:disabled{opacity:.45;cursor:not-allowed}.es-btn-primary{background:var(--brass);color:#fff;border-color:var(--brass-dark);box-shadow:0 1px 4px #b381384d}.es-btn-primary:not(:disabled):hover{background:var(--brass-dark)}.es-btn-secondary{background:var(--ink);color:var(--paper)}.es-btn-secondary:not(:disabled):hover{background:var(--ink-light)}.es-btn-ghost{background:var(--paper-raised);border-color:var(--line);color:var(--ink)}.es-btn-ghost:not(:disabled):hover{background:var(--paper-hover);border-color:var(--line-strong)}.es-btn-danger{background:var(--debt);color:#fff}.es-btn-danger:not(:disabled):hover{background:#8e2b2b}.es-btn-full{width:100%}.es-btn-sm{padding:6px 12px;font-size:12.5px}.es-btn-xs{padding:4px 8px;font-size:11.5px}.es-fab{position:fixed;bottom:24px;right:calc(50% - 240px);z-index:30;border-radius:var(--radius-full);padding:12px 20px;box-shadow:var(--shadow-lg);font-size:14.5px;font-weight:600;white-space:nowrap}@media(max-width:560px){.es-fab{right:20px}}.es-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#121d198c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;z-index:100;animation:es-fade-in .2s ease both}@media(min-width:580px){.es-overlay{align-items:center;padding:20px}}@keyframes es-fade-in{0%{opacity:0}to{opacity:1}}.es-sheet{background:var(--paper);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;border-radius:18px 18px 0 0;padding:18px 20px 30px;border-top:1px solid var(--line);box-shadow:var(--shadow-lg);animation:es-slide-up .24s cubic-bezier(.16,1,.3,1) both}@media(min-width:580px){.es-sheet{border-radius:var(--radius-lg);border:1px solid var(--line);max-height:85vh;animation:es-scale-up .2s cubic-bezier(.16,1,.3,1) both}}@keyframes es-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes es-scale-up{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.es-sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}.es-sheet-title{font-family:var(--font-serif);font-weight:600;font-size:19px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.es-form-group{display:flex;flex-direction:column;gap:5px;margin-bottom:15px}.es-form-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.es-input{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;font-size:14.5px;color:var(--ink);font-family:inherit;width:100%;transition:border-color .15s ease,box-shadow .15s ease}.es-input:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-light)}.es-grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.es-amount-group{display:flex;align-items:center;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 12px}.es-amount-group:focus-within{border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-light)}.es-currency-prefix{font-weight:600;color:var(--muted);font-size:15px;margin-right:6px;white-space:nowrap}.es-amount-input{border:none;background:none;padding:10px 0;font-size:18px;font-weight:700;color:var(--ink);font-family:var(--font-mono);width:100%}.es-amount-input:focus{outline:none}.es-segmented{display:flex;background:var(--paper-hover);padding:3px;border-radius:var(--radius-sm);border:1px solid var(--line);gap:2px}.es-segment-btn{flex:1;background:none;border:none;padding:8px 6px;font-size:12.5px;font-weight:500;color:var(--muted);border-radius:4px;cursor:pointer;transition:all .12s ease;font-family:inherit;white-space:nowrap;text-align:center;overflow:hidden;text-overflow:ellipsis}.es-segment-btn-active{background:var(--paper-raised);color:var(--ink);font-weight:600;box-shadow:0 1px 3px #00000014}.es-split-person-row{display:flex;align-items:center;justify-content:space-between;padding:8px 6px;border-bottom:1px dashed var(--line);gap:8px}.es-checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:14px;min-width:0}.es-custom-checkbox{width:20px;height:20px;border-radius:5px;border:1.5px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:#fff;transition:all .15s ease;flex-shrink:0}.es-custom-checkbox-checked{background:var(--brass);border-color:var(--brass)}.es-share-stepper{display:flex;align-items:center;gap:4px;flex-shrink:0;white-space:nowrap}.es-share-preset-btn{background:var(--paper-raised);border:1px solid var(--line);padding:3px 7px;border-radius:4px;font-size:11px;font-weight:500;cursor:pointer;color:var(--muted);white-space:nowrap;flex-shrink:0}.es-share-preset-btn:hover{color:var(--ink);border-color:var(--line-strong)}.es-share-input{width:56px;text-align:right;padding:5px 8px;border:1px solid var(--line);border-radius:4px;background:var(--paper-raised);font-family:var(--font-mono);font-size:13px;flex-shrink:0}.es-pin-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px;background:var(--paper);text-align:center}.es-pin-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--brass-light);color:var(--brass-dark);border-radius:var(--radius-full);font-size:12px;font-weight:600;margin-bottom:16px}.es-pin-title{font-size:26px;color:var(--ink);margin-bottom:6px}.es-pin-dots{display:flex;justify-content:center;gap:14px;margin:28px 0 34px}.es-pin-dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--line-strong);background:transparent;transition:all .18s cubic-bezier(.16,1,.3,1)}.es-pin-dot-filled{background:var(--ink);border-color:var(--ink);transform:scale(1.15)}.es-pin-dots-shake{animation:es-shake .4s ease both}@keyframes es-shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.es-numpad{display:grid;grid-template-columns:repeat(3,72px);gap:14px;justify-content:center;margin-bottom:24px}.es-numpad-btn{width:72px;height:72px;border-radius:50%;background:var(--paper-raised);border:1px solid var(--line);font-size:24px;font-weight:500;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .08s ease,background .12s ease;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none}.es-numpad-btn:active{transform:scale(.92);background:var(--paper-hover)}.es-numpad-btn-ghost{background:none;border:none;box-shadow:none}.es-toast-banner{margin:10px 20px 0;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;display:flex;align-items:center;justify-content:space-between;animation:es-fade-in .25s ease both}.es-toast-info{background:var(--brass-light);border:1px solid rgba(179,129,56,.3);color:var(--brass-dark)}.es-toast-error{background:var(--debt-bg);border:1px solid rgba(168,54,54,.3);color:var(--debt)}.es-empty-state{text-align:center;padding:48px 20px;display:flex;flex-direction:column;align-items:center;gap:12px}.es-empty-icon{width:48px;height:48px;border-radius:50%;background:var(--brass-light);color:var(--brass);display:flex;align-items:center;justify-content:center;margin-bottom:4px}