*{box-sizing:border-box;margin:0;padding:0}:root{--accent: #059669;--accent-dark: #047857;--bg: #f8fafc;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--red: #dc2626;--green: #059669}html{-webkit-text-size-adjust:100%}body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}input,select,textarea{font:inherit;width:100%;padding:.65rem .75rem;border:1px solid var(--border);border-radius:.5rem;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.page{max-width:32rem;margin:0 auto;padding:1rem 1rem calc(5.5rem + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:1rem}.page.center{align-items:center;justify-content:center;min-height:100dvh}.app-header{text-align:center;padding:1.5rem 0 .5rem}.app-header h1{font-size:2rem;color:var(--accent)}.tagline{color:var(--muted);margin-top:.25rem}.card{background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:1rem;display:flex;flex-direction:column;gap:.75rem}.card h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.field{display:flex;flex-direction:column;gap:.3rem}.field>span{font-size:.8rem;color:var(--muted)}.field-row{display:flex;gap:.75rem}.field.grow{flex:1}.btn{padding:.6rem 1rem;border-radius:.5rem;border:1px solid var(--border);background:#fff;font-weight:600;text-align:center}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:active{background:var(--accent-dark)}.btn.big{padding:.9rem;font-size:1.05rem}.btn.small{padding:.35rem .75rem;font-size:.85rem}.btn.danger{color:var(--red);border-color:#fecaca}.btn:disabled{opacity:.5}.btn-row{display:flex;gap:.75rem;justify-content:flex-end}.hint{color:var(--muted);font-size:.9rem;text-align:center}.hint.warn{color:#b45309}.hint.ok{color:var(--green)}.warn{color:#b45309}.error{color:var(--red);font-size:.9rem;text-align:center}.group-list{list-style:none;display:flex;flex-direction:column}.group-row{width:100%;display:flex;justify-content:space-between;align-items:center;padding:.85rem .25rem;border-bottom:1px solid var(--border);font-size:1.05rem}.group-list li:last-child .group-row{border-bottom:none}.chevron{color:var(--muted);font-size:1.3rem}.group-header{display:flex;align-items:center;gap:.5rem}.back{font-size:1.8rem;line-height:1;padding:0 .5rem .2rem 0;color:var(--muted)}.group-title{flex:1;min-width:0}.group-title h1{font-size:1.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.me-chip{font-size:.75rem;color:var(--accent);padding:0}.tabs{display:flex;background:#e2e8f0;border-radius:.6rem;padding:.25rem}.tabs button,.mode-tabs button{flex:1;padding:.5rem;border-radius:.45rem;font-weight:600;color:var(--muted)}.tabs button.on,.mode-tabs button.on{background:#fff;color:var(--text);box-shadow:0 1px 2px #00000014}.mode-tabs{display:flex;background:#e2e8f0;border-radius:.6rem;padding:.25rem}.mode-tabs button{font-size:.9rem}.summary-strip{display:flex;align-items:stretch;background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:.7rem .5rem}.summary-strip .stat{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:.15rem;padding:0 .4rem}.summary-strip .stat+.stat{border-left:1px solid var(--border)}.summary-strip .stat>span{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.summary-strip .stat>b{font-size:.95rem;white-space:nowrap}.expense-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.expense-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:.75rem;background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:.8rem 1rem;text-align:left}.expense-main{display:flex;flex-direction:column;gap:.15rem;min-width:0}.expense-desc{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expense-meta{font-size:.78rem;color:var(--muted)}.expense-amount{font-weight:700;white-space:nowrap}.chip-rows{display:flex;flex-direction:column;gap:.4rem}.chip-row{display:flex;gap:.4rem}.chip-row.wrap{flex-wrap:wrap}.chip{padding:.45rem .9rem;border-radius:999px;border:1px solid var(--border);background:#fff;font-weight:600;font-size:.9rem}.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}.chip.lg{padding:.7rem 1.2rem;font-size:1rem}.chip.sm{padding:.25rem .6rem;font-size:.8rem}.chip.ghost{border-style:dashed;color:var(--muted)}.chip.party{border-style:dashed}.chip.party.on{border-style:solid}.split-rows{display:flex;flex-direction:column;gap:.5rem}.split-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.split-name{flex:1}.pct-input{display:flex;align-items:center;gap:.3rem;color:var(--muted)}.pct-input input{width:4.5rem;text-align:right}.payer-input{display:flex;align-items:center;gap:.3rem;color:var(--muted)}.payer-input input{width:6rem;text-align:right}.stepper{display:flex;align-items:center;gap:.25rem}.stepper button{width:2.1rem;height:2.1rem;border:1px solid var(--border);border-radius:.5rem;font-size:1.2rem;background:#fff}.stepper b{min-width:1.8rem;text-align:center}.item-editor{display:flex;flex-direction:column;gap:.75rem}.scan-btn{display:block}.scan-status{display:flex;align-items:center;gap:.6rem;justify-content:center;color:var(--muted);padding:.5rem}.item-list{list-style:none;display:flex;flex-direction:column;gap:.6rem}.item{border:1px solid var(--border);border-radius:.6rem;padding:.6rem;display:flex;flex-direction:column;gap:.5rem}.item.unassigned{border-color:#fcd34d;background:#fffbeb}.item-head{display:flex;align-items:center;gap:.5rem}.item-label{flex:1;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-price{font-weight:700;text-decoration:underline dotted}.item-remove{color:var(--muted);padding:.1rem .35rem}.totals-line{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted);flex-wrap:wrap;gap:.25rem}.inline-add{display:flex;gap:.5rem}.inline-add input.price{width:5.5rem;flex:none}.inline-add .btn{flex:none}.divider{display:flex;align-items:center;gap:.75rem;color:var(--muted);font-size:.85rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.preview-list,.balance-list,.settle-list,.payment-list{list-style:none;display:flex;flex-direction:column;gap:.45rem}.preview-list li,.balance-list li,.settle-list li,.payment-list li{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.pos{color:var(--green)}.neg{color:var(--red)}.payment-note{color:var(--muted)}.stack{display:flex;flex-direction:column;gap:1rem}.hint.left{text-align:left}.balance-unit{display:flex;flex-direction:column;gap:.2rem}.balance-line{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.party-breakdown{list-style:none;margin-left:.9rem;padding-left:.6rem;border-left:2px solid var(--border);display:flex;flex-direction:column;gap:.15rem;font-size:.85rem;color:var(--muted)}.party-breakdown li{display:flex;justify-content:space-between}.party-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;font-weight:600}.party-name{display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;text-align:left;padding:0;font-weight:600}.party-sub{font-size:.75rem;color:var(--muted);font-weight:400}.fab{position:fixed;right:max(1rem,calc(50% - 15rem));bottom:calc(1.25rem + env(safe-area-inset-bottom));width:3.5rem;height:3.5rem;padding:0;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #05966966}.fab svg{display:block}.fab:active{background:var(--accent-dark)}.sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:flex-end;justify-content:center;z-index:20}.sheet{background:var(--card);border-radius:1rem 1rem 0 0;padding:1.25rem 1rem calc(1.25rem + env(safe-area-inset-bottom));width:100%;max-width:32rem;display:flex;flex-direction:column;gap:.9rem;animation:sheet-up .18s ease-out}@keyframes sheet-up{0%{transform:translateY(30%);opacity:.6}to{transform:none;opacity:1}}.sheet h2{font-size:1.1rem}.spinner{width:1.1rem;height:1.1rem;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.big-spinner{width:2.5rem;height:2.5rem;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}