:root{--tc-bg:#0e0e11;--tc-panel:#151519;--tc-panel-2:#1a1a20;--tc-surface:#202027;--tc-surface-hover:#26262f;--tc-border:#2a2a33;--tc-border-strong:#3a3a46;--tc-text:#e7e7ec;--tc-muted:#8b8b98;--tc-faint:#62626e;--tc-accent:#5b7cfa;--tc-accent-hover:#6d8bff;--tc-accent-soft:#5b7cfa29;--tc-danger:#ef5350;--tc-danger-soft:#ef535024;--tc-success:#3fb950;--tc-success-soft:#3fb95024;--tc-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--tc-sans:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*,:before,:after{box-sizing:border-box}html,body{background:var(--tc-bg);height:100%;color:var(--tc-text);font-family:var(--tc-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:13px}#app{height:100dvh}.tc-header .tc-menu-btn,.tc-sidebar .tc-sidebar-close,.tc-scrim{display:none}*{scrollbar-width:thin;scrollbar-color:var(--tc-border-strong) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--tc-border-strong);background-clip:content-box;border:3px solid #0000;border-radius:8px}button{font:inherit;color:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}.tc-app{flex-direction:column;width:100%;height:100dvh;display:flex;overflow:hidden}.tc-header{background:var(--tc-panel);border-bottom:1px solid var(--tc-border);align-items:center;gap:10px;height:48px;min-height:48px;padding:0 12px;display:flex}.tc-brand{letter-spacing:-.01em;align-items:center;gap:8px;padding-right:6px;font-weight:600;display:flex}.tc-brand-mark{background:linear-gradient(135deg, var(--tc-accent), #8a5bfa);color:#fff;border-radius:7px;place-items:center;width:24px;height:24px;display:grid}.tc-header-spacer{flex:1}.tc-account-chip{font-variant-numeric:tabular-nums;gap:7px}.tc-account-chip-number{font-family:var(--tc-mono);color:var(--tc-muted);font-size:12px}.tc-badge{background:var(--tc-surface);border:1px solid var(--tc-border);height:22px;color:var(--tc-muted);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:0 9px;font-size:11px;display:inline-flex}.tc-mono{font-family:var(--tc-mono);letter-spacing:.02em}.tc-note{color:var(--tc-muted);margin:0;font-size:12px;line-height:1.55}.tc-note strong{color:var(--tc-text)}.tc-note--warn{color:#d9b96a}.tc-note--center{text-align:center;margin-top:14px}.tc-account-number{border:1px solid var(--tc-border-strong);background:var(--tc-bg);letter-spacing:.06em;border-radius:9px;justify-content:space-between;align-items:center;gap:8px;padding:12px 12px 12px 14px;font-size:16px;display:flex}.tc-copy-row{gap:6px;display:flex}.tc-copy-row .tc-input{flex:1;min-width:0;font-size:12px}.tc-btn{border:1px solid var(--tc-border);background:var(--tc-surface);height:30px;color:var(--tc-text);white-space:nowrap;border-radius:7px;align-items:center;gap:6px;padding:0 10px;text-decoration:none;display:inline-flex}.tc-btn:hover:not(:disabled){background:var(--tc-surface-hover)}.tc-btn:disabled{opacity:.5;cursor:not-allowed}.tc-btn--primary{background:var(--tc-accent);border-color:var(--tc-accent);color:#fff}.tc-btn--primary:hover:not(:disabled){background:var(--tc-accent-hover);border-color:var(--tc-accent-hover)}.tc-btn--danger{color:var(--tc-danger);background:0 0;border-color:#0000}.tc-btn--danger:hover:not(:disabled){background:var(--tc-danger-soft)}.tc-btn--ghost{background:0 0;border-color:#0000}.tc-btn--ghost:hover:not(:disabled){background:var(--tc-surface)}.tc-btn--icon{justify-content:center;width:30px;padding:0}.tc-btn--block{justify-content:center;width:100%}.tc-body{flex:1;min-height:0;display:flex}.tc-sidebar{background:var(--tc-panel);border-right:1px solid var(--tc-border);flex-direction:column;width:250px;min-width:250px;display:flex}.tc-sidebar-head{border-bottom:1px solid var(--tc-border);align-items:center;gap:8px;padding:10px;display:flex}.tc-search{border:1px solid var(--tc-border);background:var(--tc-bg);border-radius:6px;outline:none;flex:1;height:28px;padding:0 8px;font-size:12px}.tc-search:focus{border-color:var(--tc-border-strong)}.tc-sidebar-scroll{flex:1;padding:6px;overflow-y:auto}.tc-sidebar-section{letter-spacing:.08em;text-transform:uppercase;color:var(--tc-faint);padding:8px 6px 4px;font-size:10px;font-weight:600}.tc-count{color:var(--tc-faint);font-variant-numeric:tabular-nums}.tc-trip-item{text-align:left;background:0 0;border:none;border-radius:7px;flex-direction:column;gap:2px;width:100%;padding:8px;display:flex}.tc-trip-item:hover{background:var(--tc-surface)}.tc-trip-item.is-active{background:var(--tc-accent-soft);color:#cfd8ff}.tc-trip-item-name{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;overflow:hidden}.tc-trip-item-meta{color:var(--tc-muted);font-variant-numeric:tabular-nums;font-size:11px}.tc-sidebar-empty{color:var(--tc-faint);text-align:center;padding:16px 10px;font-size:12px}.tc-sidebar-foot{border-top:1px solid var(--tc-border);padding:10px}.tc-main{background:var(--tc-bg);flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.tc-trip{flex-direction:column;flex:1;min-height:0;display:flex}.tc-toolbar{border-bottom:1px solid var(--tc-border);background:var(--tc-panel-2);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;display:flex}.tc-toolbar-head{flex:auto;min-width:0}.tc-toolbar-title{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;overflow:hidden}.tc-toolbar-meta{color:var(--tc-muted);font-variant-numeric:tabular-nums;text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.tc-toolbar-spacer{flex:1}.tc-toolbar-actions{align-items:center;gap:6px;display:flex}.tc-spacer{flex:1}.tc-menu-wrap{display:inline-flex;position:relative}.tc-menu-scrim{z-index:20;position:fixed;inset:0}.tc-menu{z-index:21;border:1px solid var(--tc-border-strong);background:var(--tc-panel);border-radius:10px;min-width:200px;padding:5px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 16px 40px #00000080}.tc-menu-item{width:100%;color:var(--tc-text);text-align:left;background:0 0;border:none;border-radius:7px;align-items:center;gap:9px;padding:9px 10px;font-size:13px;display:flex}.tc-menu-item:hover{background:var(--tc-surface)}.tc-menu-item.is-danger{color:var(--tc-danger)}.tc-menu-item.is-danger:hover{background:var(--tc-danger-soft)}.tc-add-row{gap:8px;padding:0 14px 12px;display:flex}.tc-add-row .tc-input{flex:1;min-width:0}.tc-people-list{flex-direction:column;gap:6px;padding:0 14px 20px;display:flex}.tc-person{border:1px solid var(--tc-border);background:var(--tc-panel-2);border-radius:9px;align-items:center;gap:10px;padding:9px 10px 9px 12px;display:flex}.tc-person-avatar{background:var(--tc-accent-soft);color:#cfd8ff;border-radius:999px;place-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:grid}.tc-person-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.tc-tabbar{background:var(--tc-panel);border-bottom:1px solid var(--tc-border);align-items:stretch;height:38px;min-height:38px;display:flex}.tc-tab{border:none;border-right:1px solid var(--tc-border);color:var(--tc-muted);white-space:nowrap;background:0 0;align-items:center;gap:7px;padding:0 14px;font-size:12.5px;display:flex}.tc-tab:hover{background:var(--tc-surface);color:var(--tc-text)}.tc-tab.is-active{background:var(--tc-bg);color:var(--tc-text);box-shadow:inset 0 2px 0 var(--tc-accent)}.tc-content{flex:1;min-height:0;overflow-y:auto}.tc-panel{flex-direction:column;min-height:100%;display:flex}.tc-panel-head{align-items:center;gap:8px;padding:12px 14px;display:flex}.tc-empty{text-align:center;color:var(--tc-muted);place-items:center;padding:40px 24px;display:grid}.tc-empty--full{flex:1;min-height:0}.tc-empty svg{color:var(--tc-faint)}.tc-empty p{max-width:320px;margin:12px 0 16px}.tc-empty h2{color:var(--tc-text);margin:0 0 6px;font-size:15px}.tc-loading{color:var(--tc-faint);text-align:center;padding:24px}.tc-expense-list{flex-direction:column;gap:8px;padding:0 14px 16px;display:flex}.tc-expense{border:1px solid var(--tc-border);background:var(--tc-panel-2);border-radius:9px;align-items:center;gap:12px;padding:10px 12px;display:flex}.tc-expense:hover{background:var(--tc-surface)}.tc-expense-main{flex:1;min-width:0}.tc-expense-title{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;overflow:hidden}.tc-expense-sub{color:var(--tc-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:11.5px;overflow:hidden}.tc-payer{color:#cfd8ff}.tc-expense-amount{font-family:var(--tc-mono);color:#7ee0a2;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px}.tc-expense-actions{gap:2px;display:flex}.tc-transfers{flex-direction:column;gap:8px;margin:0;padding:0 14px 8px;list-style:none;display:flex}.tc-transfer{border:1px solid var(--tc-border);background:var(--tc-panel-2);border-radius:9px;align-items:center;gap:10px;padding:12px 14px;display:flex}.tc-transfer-from,.tc-transfer-to{font-weight:600}.tc-transfer-to{color:var(--tc-success)}.tc-transfer-arrow{color:var(--tc-muted);display:inline-flex}.tc-transfer-amount{font-family:var(--tc-mono);color:var(--tc-text);font-variant-numeric:tabular-nums;font-size:14px}.tc-settled{border:1px solid var(--tc-border);background:var(--tc-success-soft);color:var(--tc-success);border-radius:9px;align-items:center;gap:8px;margin:0 14px 8px;padding:12px 14px;display:flex}.tc-section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--tc-faint);padding:14px 14px 6px;font-size:10px;font-weight:600}.tc-balances{padding:0 14px 20px}.tc-balance-row{border-bottom:1px solid var(--tc-border);font-variant-numeric:tabular-nums;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:8px;padding:8px 10px;display:grid}.tc-balance-head{color:var(--tc-faint);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--tc-border-strong);font-size:11px}.tc-balance-cell{justify-content:flex-end;align-items:baseline;gap:6px;min-width:0;display:flex}.tc-cell-label{display:none}.tc-num{text-align:right;font-family:var(--tc-mono)}.tc-pos{color:var(--tc-success)}.tc-neg{color:var(--tc-danger)}.tc-muted{color:var(--tc-muted)}.tc-error{border:1px solid var(--tc-danger);background:var(--tc-danger-soft);color:#ffb4b2;border-radius:8px;margin:0 14px 10px;padding:9px 12px;font-size:12px}.tc-form-error{background:var(--tc-danger-soft);color:#ffb4b2;border-radius:7px;padding:8px 10px;font-size:12px}.tc-overlay{z-index:50;background:#0000008c;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.tc-dialog{background:var(--tc-panel);border:1px solid var(--tc-border-strong);border-radius:12px;flex-direction:column;width:100%;max-width:460px;max-height:88vh;display:flex;overflow:hidden;box-shadow:0 24px 64px #00000080}.tc-dialog--wide{max-width:640px}.tc-dialog-head{border-bottom:1px solid var(--tc-border);align-items:center;gap:8px;padding:14px 16px;font-weight:600;display:flex}.tc-dialog-body{flex:auto;min-height:0;padding:16px;overflow:auto}.tc-dialog-foot{border-top:1px solid var(--tc-border);align-items:center;gap:8px;padding:12px 16px;display:flex}.tc-form{flex-direction:column;gap:14px;display:flex}.tc-field{flex-direction:column;gap:6px;display:flex}.tc-field>span{color:var(--tc-muted);font-size:11px}.tc-field-row{gap:12px;display:flex}.tc-field--grow{flex:1}.tc-field--amount{width:140px}.tc-input,.tc-select{border:1px solid var(--tc-border);background:var(--tc-bg);border-radius:7px;outline:none;height:32px;padding:0 9px}.tc-input:focus,.tc-select:focus{border-color:var(--tc-accent)}.tc-input--small{width:96px;height:26px;padding:0 7px;font-size:12px}.tc-segmented{border:1px solid var(--tc-border);background:var(--tc-bg);border-radius:8px;width:fit-content;padding:2px;display:inline-flex}.tc-segment{color:var(--tc-muted);background:0 0;border:none;border-radius:6px;padding:5px 12px;font-size:12px}.tc-segment:hover{color:var(--tc-text)}.tc-segment.is-active{background:var(--tc-accent);color:#fff}.tc-check-list{border:1px solid var(--tc-border);background:var(--tc-bg);border-radius:8px;flex-direction:column;gap:4px;max-height:220px;padding:8px;display:flex;overflow-y:auto}.tc-check{border-radius:6px;align-items:center;gap:8px;padding:4px 6px;font-size:12.5px;display:flex}.tc-check:hover{background:var(--tc-surface)}.tc-check input[type=checkbox]{accent-color:var(--tc-accent);width:14px;height:14px}.tc-check-name{flex:1}.tc-check--input{justify-content:space-between}.tc-hint{color:var(--tc-muted);font-size:11.5px}.tc-hint-ok{color:var(--tc-success)}.tc-hint-over{color:var(--tc-danger)}@media (width<=760px){body{overscroll-behavior-y:none}.tc-header .tc-menu-btn{display:inline-flex}.tc-header{gap:8px;padding:0 10px}.tc-header-refresh,.tc-account-chip-number{display:none}.tc-brand{padding-right:0}.tc-sidebar{z-index:40;width:min(84vw,320px);min-width:0;max-height:none;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:0 0 48px #0000008c}.tc-sidebar.is-open{transform:translate(0)}.tc-sidebar .tc-sidebar-close{display:inline-flex}.tc-scrim{z-index:35;background:#0000008c;animation:.16s tc-fade-in;display:block;position:fixed;inset:0}.tc-main{width:100%}.tc-toolbar{flex-wrap:nowrap;gap:10px;padding:10px 12px}.tc-toolbar-spacer{display:none}.tc-toolbar-actions{flex:none}.tc-toolbar-actions .tc-btn{width:34px;height:34px}.tc-tab{flex:1;justify-content:center;padding:0 8px}.tc-expense-list{gap:6px;padding:0 12px 16px}.tc-expense{gap:8px;padding:10px 12px}.tc-expense-amount{font-size:12.5px}.tc-expense-actions{gap:0}.tc-expense-actions .tc-btn--icon{width:32px;height:32px}.tc-panel-head{padding:12px}.tc-transfers{padding:0 12px 8px}.tc-transfer{flex-wrap:wrap;row-gap:2px;padding:12px}.tc-transfer-amount{font-size:15px}.tc-settled{margin:0 12px 8px}.tc-section-title{padding:14px 12px 6px}.tc-balances{padding:0 12px 20px}.tc-balance-head{display:none}.tc-balance-row{border:1px solid var(--tc-border);background:var(--tc-panel-2);border-radius:9px;grid-template-columns:1fr 1fr;grid-template-areas:"name net""paid share";gap:8px 10px;margin-bottom:8px;padding:12px}.tc-balance-name{text-overflow:ellipsis;white-space:nowrap;grid-area:name;font-weight:600;overflow:hidden}.tc-balance-net{grid-area:net}.tc-balance-paid{grid-area:paid}.tc-balance-share{grid-area:share}.tc-balance-cell{flex-direction:column;align-items:flex-start;gap:2px;font-size:12.5px}.tc-balance-net{align-items:flex-end}.tc-balance-net .tc-num{text-align:right}.tc-cell-label{letter-spacing:.05em;text-transform:uppercase;color:var(--tc-faint);font-size:10px;display:inline}.tc-overlay{place-items:end stretch;padding:0}.tc-dialog,.tc-dialog--wide{border-bottom:none;border-left:none;border-right:none;border-radius:16px 16px 0 0;max-width:100%;max-height:94dvh;animation:.2s tc-sheet-up}.tc-dialog-foot{background:var(--tc-panel);padding-bottom:calc(12px + env(safe-area-inset-bottom));position:sticky;bottom:0}.tc-input,.tc-select{height:40px}.tc-input--small{height:32px}.tc-btn{height:36px}.tc-btn--icon{width:36px}.tc-check{padding:9px 6px}.tc-field-row{flex-direction:column}.tc-field--amount{width:100%}}@media (width<=400px){.tc-brand span:last-child{font-size:14px}.tc-header .tc-btn--primary{padding:0 8px}}@keyframes tc-fade-in{0%{opacity:0}}@keyframes tc-sheet-up{0%{opacity:.6;transform:translateY(12px)}}@media (prefers-reduced-motion:reduce){.tc-sidebar,.tc-scrim,.tc-dialog{transition:none;animation:none}}