:root{--bg:#fff7f2;--card:#fff;--ink:#2b211d;--mut:#8a7a73;--line:#f1e4dc;--pri:#ff7a59;--pri2:#ffe9e1;--leo:#2563eb;--sara:#db2777;--pay:#059669;--red:#d92d20;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#1c1614;--card:#2a221f;--ink:#f6ece7;--mut:#b3a39c;--line:#3a2f2b;--pri:#ff8a65;--pri2:#3b2a24;--leo:#60a5fa;--sara:#f472b6;--pay:#34d399}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;background:var(--bg);color:var(--ink);padding-top:env(safe-area-inset-top)}
main{max-width:560px;margin:0 auto;padding:8px 16px calc(96px + env(safe-area-inset-bottom))}
.top{max-width:560px;margin:0 auto;display:flex;align-items:center;gap:10px;padding:10px 16px}.logo{width:36px;height:36px;border-radius:10px}
.tt{flex:1;display:flex;flex-direction:column;line-height:1.2}.out{color:var(--mut);font-size:14px;text-decoration:none}
.muted{color:var(--mut)}.small{font-size:13px}.center{text-align:center}.err{color:var(--red);min-height:1em;margin:.3em 0}
h2{font-size:1.05rem;margin:22px 0 8px}
.balance{background:linear-gradient(135deg,#ff9a76,#ff6f61);color:#fff;border-radius:24px;padding:26px 22px;margin:6px 0 14px;box-shadow:0 10px 30px #ff6f6133}
.balance.even{background:linear-gradient(135deg,#34d399,#059669)}.balance .lbl{opacity:.85;font-size:14px}.balance .amt{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin:4px 0}.bsub{opacity:.9;font-size:14px}
button{font:inherit;border:0;border-radius:14px;padding:13px 16px;cursor:pointer;color:inherit;background:none}
.primary{background:var(--pri);color:#fff;font-weight:700}.secondary{background:var(--pri2);color:var(--pri);font-weight:700;width:100%;margin-top:12px}.ghost{background:var(--line)}.danger{color:var(--red);width:100%;margin-top:6px}
.big{width:100%;font-size:1.05rem;padding:16px}
.card{background:var(--card);border-radius:20px;padding:24px 20px;box-shadow:0 1px 2px #0000000d}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.list button{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:var(--card);padding:12px 14px;border-radius:16px}
.list button:disabled{cursor:default;opacity:1}
.av{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700}.av.leo{background:var(--leo)}.av.sara{background:var(--sara)}.av.pay{background:var(--pay)}
.mid{flex:1;min-width:0}.mid .t{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mid .s{font-size:13px;color:var(--mut)}
.r{text-align:right}.r .a{font-weight:700}.r .s{font-size:12px;color:var(--mut)}
.empty{text-align:center;color:var(--mut);padding:36px 10px}.empty .e{font-size:44px}
.filters{display:flex;gap:8px;margin:8px 0}.filters input,.filters select,label input{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 12px;width:100%}.filters select{width:auto}
.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;background:var(--card);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom))}
.tabs button{flex:1;max-width:180px;display:flex;flex-direction:column;align-items:center;font-size:12px;color:var(--mut);padding:6px}.tabs span{font-size:20px}.tabs .on{color:var(--pri);font-weight:700}
.sheet{border:0;padding:0;margin:auto auto 0;width:100%;max-width:560px;border-radius:24px 24px 0 0;background:var(--card);color:var(--ink)}.sheet::backdrop{background:#0006}
.sheet form{padding:10px 18px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px}.grab{width:40px;height:5px;border-radius:3px;background:var(--line);margin:0 auto}.sheet h2{margin:4px 0 0}
label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--mut)}
.seg{display:flex;background:var(--line);border-radius:14px;padding:4px}.seg label{flex:1}.seg input{position:absolute;opacity:0}.seg span{display:block;text-align:center;padding:9px;border-radius:11px;color:var(--ink);font-weight:600}.seg input:checked+span{background:var(--card);box-shadow:0 1px 3px #0002}
.row{display:flex;gap:8px}.row button{flex:1}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom));background:#2b211d;color:#fff;border-radius:14px;padding:6px 6px 6px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px #0004}.toast button{color:#ffb199;font-weight:700;padding:8px 12px}
.settleAmt{font-size:2rem;font-weight:800;margin:6px 0 14px}