*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--green:#10b981;--green-dim:#059669;--green-glow:#10b98126;--red:#dc2626;--red-dim:#b91c1c;--bg:#0a0a0a;--surface:#111;--card:#161616;--border:#222;--border-mid:#2a2a2a;--text:#e5e5e5;--text-muted:#888;--text-dim:#555;--hover:#1e1e1e;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif}[data-theme=light]{--green:#10b981;--green-dim:#059669;--green-glow:#0596691a;--red:#dc2626;--red-dim:#b91c1c;--bg:#f5f5f5;--surface:#ebebeb;--card:#fff;--border:#e0e0e0;--border-mid:#d0d0d0;--text:#111;--text-muted:#666;--text-dim:#999;--hover:#f0f0f0}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}.app{flex-direction:column;align-items:center;min-height:100vh;display:flex}.app-header{justify-content:space-between;align-items:center;width:100%;max-width:600px;padding:24px 20px 0;display:flex}.header-left{align-items:baseline;gap:10px;display:flex}.logo{color:var(--text);align-items:center;line-height:1;text-decoration:none;display:flex}[data-theme=light] .logo{color:var(--text-muted)}.theme-toggle{border:1px solid var(--border-mid);color:var(--text-muted);font-family:var(--font);letter-spacing:.08em;cursor:pointer;background:0 0;border-radius:6px;align-items:center;gap:5px;padding:5px 10px;font-size:10px;font-weight:600;transition:border-color .15s,color .15s;display:flex}.theme-toggle:hover{border-color:var(--text-muted);color:var(--text)}.logo-tag{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-size:12px}.app-main{flex:1;width:100%;max-width:600px;padding:24px 20px}.app-footer{width:100%;max-width:600px;color:var(--text-dim);text-align:center;padding:16px 20px 28px;font-size:12px}.footer-link{color:var(--text-muted);text-decoration:none;transition:color .15s}.footer-link:hover{color:var(--text)}.step-card{flex-direction:column;gap:20px;display:flex}.step-header{align-items:flex-start;gap:14px;display:flex}.step-badge{background:var(--green-glow);border:1px solid var(--green);width:30px;height:30px;color:var(--green);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:13px;font-weight:600;display:flex}.step-badge.settled{background:var(--green-glow);color:var(--green)}.step-header h2{letter-spacing:-.2px;font-size:18px;font-weight:600}.step-sub{color:var(--text-muted);margin-top:2px;font-size:13px}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:500}input[type=text],input[type=number],select{background:var(--card);border:1px solid var(--border-mid);width:100%;color:var(--text);font-family:var(--font);appearance:none;border-radius:8px;outline:none;padding:10px 12px;font-size:15px;transition:border-color .15s}input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--green)}input[type=text]::placeholder,input[type=number]::placeholder{color:var(--text-dim)}select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:32px}select option{background:var(--card);color:var(--text)}.input-row{gap:8px;display:flex}.input-row input{flex:1}.field-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.amount-wrap{position:relative}.currency-prefix{color:var(--text-muted);pointer-events:none;font-size:15px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.amount-wrap input{padding-left:24px}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none}input[type=number]{-moz-appearance:textfield}.btn-primary{background:var(--green);color:#000;font-family:var(--font);cursor:pointer;border:none;border-radius:8px;padding:11px 20px;font-size:14px;font-weight:600;transition:background .15s,opacity .15s}.btn-primary:hover:not(:disabled){background:#0ea472}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.btn-primary.full-width{width:100%}.btn-secondary{color:var(--text);border:1px solid var(--border-mid);font-family:var(--font);cursor:pointer;white-space:nowrap;background:0 0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:500;transition:border-color .15s,color .15s}.btn-secondary:hover:not(:disabled){border-color:var(--green);color:var(--green)}.btn-secondary:disabled{opacity:.35;cursor:not-allowed}.btn-ghost{color:var(--text-muted);font-family:var(--font);cursor:pointer;background:0 0;border:none;padding:10px 0;font-size:14px;transition:color .15s}.btn-ghost:hover{color:var(--text)}.btn-danger{background:var(--red);color:#fff;font-family:var(--font);cursor:pointer;border:none;border-radius:8px;padding:11px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-danger:hover{background:var(--red-dim)}.nav-row{justify-content:space-between;align-items:center;padding-top:4px;display:flex}.chip-list{flex-wrap:wrap;gap:8px;list-style:none;display:flex}.chip{background:var(--card);border:1px solid var(--border-mid);color:var(--text);border-radius:20px;align-items:center;gap:6px;padding:6px 12px 6px 14px;font-size:13px;display:flex}.chip-remove{color:var(--text-dim);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;font-size:16px;line-height:1;transition:color .1s;display:flex}.chip-remove:hover{color:var(--red)}.multicur-bar{background:var(--card);border:1px solid var(--border);border-radius:10px;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.multicur-info{flex-direction:column;gap:2px;display:flex}.multicur-title{font-size:14px;font-weight:500}.multicur-sub{color:var(--text-muted);letter-spacing:.03em;font-size:11px}.multicur-btn{background:var(--surface);border:1px solid var(--border-mid);color:var(--text-muted);font-family:var(--font);letter-spacing:.05em;cursor:pointer;border-radius:20px;align-items:center;gap:7px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .15s;display:flex}.multicur-btn.on{background:var(--green-glow);border-color:var(--green);color:var(--green)}.multicur-btn:disabled{opacity:.5;cursor:not-allowed}.multicur-dot{background:var(--text-dim);border-radius:50%;flex-shrink:0;width:7px;height:7px;transition:background .15s}.multicur-btn.on .multicur-dot{background:var(--green)}.rates-error{color:var(--red);background:#dc262614;border:1px solid #dc262633;border-radius:8px;padding:8px 12px;font-size:13px}.settle-currency-row{background:var(--card);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:10px 14px;display:flex}.settle-currency-pills{gap:6px;display:flex}.currency-pill{background:var(--surface);border:1px solid var(--border-mid);color:var(--text-muted);font-family:var(--font);cursor:pointer;border-radius:20px;padding:5px 12px;font-size:12px;font-weight:600;transition:all .15s}.currency-pill:hover{border-color:var(--text-muted);color:var(--text)}.currency-pill.active{background:var(--green-glow);border-color:var(--green);color:var(--green)}.field-row.three-col{grid-template-columns:1fr 80px 1fr}.paid-select{position:relative}.paid-select-trigger{background:var(--card);border:1px solid var(--border-mid);width:100%;color:var(--text);font-family:var(--font);cursor:pointer;text-align:left;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;font-size:15px;transition:border-color .15s;display:flex}.paid-select-trigger.open,.paid-select-trigger:focus{border-color:var(--green);outline:none}.paid-select-trigger .placeholder{color:var(--text-dim)}.paid-select-trigger svg{color:var(--text-muted);flex-shrink:0;transition:transform .15s}.paid-select-trigger.open svg{transform:rotate(180deg)}.paid-select-menu{z-index:50;background:var(--card);border:1px solid var(--border-mid);border-radius:8px;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow:hidden;box-shadow:0 8px 24px #0006}.paid-select-options{max-height:180px;list-style:none;overflow-y:auto}.paid-select-item{align-items:center;display:flex}.paid-select-item .paid-select-option{flex:1}.paid-select-option{width:100%;color:var(--text);font-family:var(--font);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;padding:10px 14px;font-size:14px;transition:background .1s;display:flex}.paid-select-option:hover,.paid-select-option.focused{background:var(--hover)}.paid-select-option.selected{color:var(--green)}.paid-select-option .check{color:var(--green);font-size:12px}.paid-select-remove{color:var(--text-dim);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:10px 12px;font-size:16px;line-height:1;transition:color .1s}.paid-select-remove:hover{color:var(--red)}.paid-select-add{border:none;border-top:1px solid var(--border);width:100%;color:var(--green);font-family:var(--font);cursor:pointer;text-align:left;background:0 0;align-items:center;gap:8px;padding:10px 14px;font-size:14px;font-weight:500;transition:background .1s;display:flex}.paid-select-add:hover{background:var(--green-glow)}.add-icon{font-size:16px;line-height:1}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-card{background:var(--card);border:1px solid var(--border-mid);border-radius:12px;flex-direction:column;gap:16px;width:100%;max-width:340px;padding:24px;display:flex;box-shadow:0 16px 48px #00000080}.modal-title{font-size:16px;font-weight:600}.modal-input{background:var(--surface);border:1px solid var(--border-mid);width:100%;color:var(--text);font-family:var(--font);border-radius:8px;outline:none;padding:10px 12px;font-size:15px;transition:border-color .15s}.modal-input:focus{border-color:var(--green)}.modal-input::placeholder{color:var(--text-dim)}.modal-actions{justify-content:flex-end;gap:8px;display:flex}.settle-hint{color:var(--text-muted);font-size:12px}.expense-form{background:var(--card);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:12px;padding:16px;display:flex}.people-ratios{border:1px solid var(--border);border-radius:10px;overflow:hidden}.people-ratios-header{background:var(--surface);border-bottom:1px solid var(--border);grid-template-columns:3fr 1.2fr .3fr .2fr;align-items:center;gap:12px;padding:8px 14px;display:grid}.section-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;font-size:11px;font-weight:600}.ratios-footer{border-top:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.ratios-badge{color:var(--green);background:var(--green-glow);border:1px solid #10b9814d;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:500}.ratios-list{list-style:none}.ratio-item{border-bottom:1px solid var(--border);grid-template-columns:3fr 1.2fr .3fr .2fr;align-items:center;gap:12px;padding:10px 14px;display:grid}.ratio-item:last-child{border-bottom:none}.ratio-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:14px;font-weight:500;overflow:hidden}.ratio-input-wrap{background:var(--surface);border:1px solid var(--border-mid);border-radius:6px;justify-content:center;align-items:center;gap:4px;padding:4px 8px;display:flex}.ratio-input{width:40px;color:var(--text);font-family:var(--font);text-align:center;border-radius:0;outline:none;padding:0;font-size:13px;font-weight:600;background:0 0!important;border:none!important}.ratio-x{color:var(--text-dim);font-size:12px}.ratio-pct{color:var(--text-muted);font-variant-numeric:tabular-nums;min-width:34px;font-size:12px}.ratio-remove{color:var(--text-dim);cursor:pointer;background:0 0;border:none;align-items:center;padding:0 2px;transition:color .1s;display:flex}.ratio-remove:hover{color:var(--red)}.expense-list{border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:1px;list-style:none;display:flex;overflow:hidden}.expense-item{background:var(--card);justify-content:space-between;align-items:center;padding:12px 14px;transition:background .1s;display:flex}.expense-item:hover{background:var(--hover)}.expense-info{flex-direction:column;gap:2px;min-width:0;display:flex}.expense-desc{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.expense-meta{color:var(--text-muted);font-size:12px}.expense-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.expense-amount{font-variant-numeric:tabular-nums;font-size:14px;font-weight:600}.edit-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;line-height:1;transition:color .1s;display:flex}.edit-btn:hover{color:var(--green)}.expense-item.editing{background:var(--surface)}.expense-item.editing .expense-desc{color:var(--green)}.form-actions{align-items:center;gap:12px;display:flex}.remove-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;transition:color .1s;display:flex}.remove-btn:hover{color:var(--red)}.total-row{background:var(--surface);border:1px solid var(--border-mid);border-radius:8px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.total-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:500}.total-amount{font-variant-numeric:tabular-nums;color:var(--text);font-size:16px;font-weight:700}.transfer-list{flex-direction:column;gap:8px;list-style:none;display:flex}.transfer-item{background:var(--card);border:1px solid var(--border-mid);border-radius:10px;grid-template-columns:1fr auto 1fr auto;align-items:center;gap:8px;padding:14px 16px;display:grid}.transfer-from{color:var(--text);font-size:15px;font-weight:600}.transfer-arrow{color:var(--text-muted);white-space:nowrap;padding:0 4px;font-size:12px}.transfer-to{color:var(--green);font-size:15px;font-weight:600}.transfer-amount{font-variant-numeric:tabular-nums;color:var(--text);text-align:right;font-size:16px;font-weight:700}.all-even{background:var(--green-glow);border:1px solid #10b9814d;border-radius:10px;align-items:center;gap:12px;padding:20px 16px;display:flex}.all-even-icon{color:var(--green);font-size:20px}.all-even p{color:var(--text);font-size:14px}.breakdown{border-top:1px solid var(--border);padding-top:8px}.breakdown h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-size:12px;font-weight:500}.breakdown-list{flex-direction:column;gap:1px;list-style:none;display:flex}.breakdown-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:baseline;gap:12px;padding:7px 0;display:flex}.breakdown-item:last-child,.breakdown-item:nth-last-child(2){border-bottom:none}.breakdown-item-expandable{cursor:pointer;flex-wrap:wrap}.breakdown-item-expandable:hover .breakdown-desc{color:var(--green)}.breakdown-chevron{color:var(--text-dim);vertical-align:middle;margin-left:5px;transition:transform .15s;display:inline-block;transform:rotate(-90deg)}.breakdown-chevron.open{transform:rotate(0)}.breakdown-participants{width:100%;color:var(--text-muted);padding:4px 0 6px;font-size:12px}.breakdown-item-total{border-top:2px solid var(--border);margin-top:2px}.breakdown-total{color:var(--text);font-size:14px}.breakdown-desc{color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:13px;overflow:hidden}.breakdown-meta{flex-shrink:0;align-items:center;gap:10px;display:flex}.breakdown-paid{color:var(--text-muted);font-size:12px}.breakdown-amount{font-variant-numeric:tabular-nums;color:var(--text-muted);font-size:13px;font-weight:600}.participant-pills{flex-wrap:wrap;gap:6px;display:flex}.participant-pill{background:var(--surface);border:1px solid var(--border-mid);color:var(--text-muted);font-family:var(--font);cursor:pointer;border-radius:20px;padding:5px 14px;font-size:13px;font-weight:500;transition:all .15s}.participant-pill:hover{border-color:var(--text-muted);color:var(--text)}.participant-pill.on{background:var(--green-glow);border-color:var(--green);color:var(--green)}@media (width<=480px){.field-row{grid-template-columns:1fr}.transfer-item{grid-template-rows:auto auto;grid-template-columns:1fr 1fr}.transfer-from{grid-area:1/1}.transfer-arrow{grid-area:2/1/auto/-1;font-size:11px}.transfer-to{text-align:right;grid-area:1/2}.transfer-amount{text-align:left;grid-area:3/1/auto/-1}}
