:root{--bg:#f6f7f8;--card:#fff;--ink:#14202b;--muted:#5d6b78;--line:#dfe4e8;--brand:#0f766e;--brand-ink:#fff;--warn:#b45309;--warn-bg:#fef3c7;--bad:#b91c1c;--bad-bg:#fee2e2;--good:#15803d;--radius:12px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);margin:0;font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--brand)}h1{margin:0;font-size:1.4rem}h2{margin:1.2rem 0 .5rem;font-size:1.05rem}.page{max-width:640px;min-height:100vh;margin:0 auto;padding:0 16px 120px}.topbar{background:var(--bg);z-index:5;align-items:center;gap:12px;padding:14px 0;display:flex;position:sticky;top:0}.topbar h1{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.topbar .actions{gap:8px;display:flex}.back{color:var(--ink);padding:6px 8px 6px 0;font-size:1.4rem;line-height:1;text-decoration:none}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin:10px 0;padding:14px}.card.link{color:inherit;text-decoration:none;display:block}.row{align-items:center;gap:10px;display:flex}.row.between{justify-content:space-between}.grow{flex:1;min-width:0}.muted{color:var(--muted);font-size:.9rem}.big{font-size:1.5rem;font-weight:700}.pos{color:var(--good)}.neg{color:var(--bad)}.tag{background:var(--line);color:var(--muted);border-radius:99px;margin-right:4px;padding:1px 7px;font-size:.72rem;display:inline-block}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.bad{background:var(--bad-bg);color:var(--bad)}button,.btn{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;text-align:center;border-radius:10px;padding:10px 14px;text-decoration:none;display:inline-block}button.primary,.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600}button.danger{color:var(--bad)}button.small{padding:5px 10px;font-size:.85rem}button:disabled{opacity:.5;cursor:default}.bottombar{background:var(--card);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));z-index:6;position:fixed;bottom:0;left:0;right:0}.bottombar .inner{gap:10px;max-width:640px;margin:0 auto;display:flex}.bottombar .inner>*{flex:1}label.field{color:var(--muted);margin:12px 0;font-size:.9rem;display:block}label.field>span{margin-bottom:4px;display:block}input,select,textarea{font:inherit;border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:10px;padding:10px}input[type=checkbox],input[type=radio]{width:auto}.seg{flex-wrap:wrap;gap:6px;display:flex}.seg label{flex:1;min-width:90px}.seg input{opacity:0;pointer-events:none;position:absolute}.seg span{text-align:center;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 6px;font-size:.9rem;display:block}.seg input:checked+span{background:var(--brand);color:#fff;border-color:var(--brand)}.error{background:var(--bad-bg);color:var(--bad);border-radius:10px;margin:12px 0;padding:10px 12px}.notice{background:var(--warn-bg);color:var(--warn);border-radius:10px;margin:12px 0;padding:10px 12px;font-size:.92rem}.day{color:var(--muted);margin:18px 0 4px;font-size:.85rem;font-weight:600}.expense{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);color:inherit;align-items:center;gap:10px;margin:6px 0;padding:12px 14px;text-decoration:none;display:flex}.expense.disputed{border-color:#f59e0b;box-shadow:inset 4px 0 #f59e0b}.amt{text-align:right;white-space:nowrap}.sharebox{grid-template-columns:1fr 90px;align-items:center;gap:6px 10px;display:grid}.offline-bar{color:#fff;text-align:center;z-index:20;background:#1f2937;padding:6px 10px;font-size:.82rem;position:sticky;top:0}.empty{text-align:center;color:var(--muted);padding:40px 10px}table.plain{border-collapse:collapse;width:100%}table.plain td,table.plain th{border-bottom:1px solid var(--line);text-align:left;padding:8px 4px}table.plain td.num,table.plain th.num{text-align:right}.copyrow{gap:8px;display:flex}.copyrow input{flex:1}.sheet{z-index:30;background:#00000059;justify-content:center;align-items:flex-end;padding:16px;display:flex;position:fixed;inset:0}.sheet .card{width:100%;max-width:640px;margin:0}.talk.live{background:var(--bad);border-color:var(--bad)}.flag{outline-offset:2px;background:#fffbeb;border-radius:12px;outline:2px solid #f59e0b}