:root{--page:#fff8ef;--ink:#2b2a33;--muted:#7d7266;--strip:#ffcdb2;--strip-ink:#3a2012;--chip:#ffffff73;--card:#fff;--icon:#ffe6d6;--tag:#ffd8c4;--tag-ink:#8a3a1c;--neg:#b8324f;--pos:#1e7d55;--fab:#2b2a33;--fab-ink:#fff;--shadow:#e0a07f44;--line:#f0e8de;--field:#fffaf5}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.35 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--page);color:var(--ink);min-height:100vh}
button,input,textarea{font:inherit;color:inherit}
.top{position:sticky;top:0;z-index:5;background:var(--strip);color:var(--strip-ink);padding:14px 16px 8px;border-radius:0 0 22px 22px;box-shadow:0 4px 14px var(--shadow)}
.hd{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:700}
.hd .gname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hd small{font-weight:500;opacity:.85;white-space:nowrap}
.hd .invite{border:0;background:var(--chip);color:var(--strip-ink);border-radius:14px;padding:4px 10px;font-weight:600;font-size:13px;cursor:pointer;white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.stat{background:var(--chip);border-radius:14px;padding:8px 10px;min-width:0}
.stat b{display:block;font-size:19px;overflow:hidden;text-overflow:ellipsis}.stat span{font-size:12px;opacity:.85}
.bal{margin-top:8px;background:var(--card);color:var(--ink);border-radius:14px;padding:9px 12px;display:flex;justify-content:space-between;align-items:center}
.bal b{font-size:20px}.bal small{color:var(--muted)}.neg{color:var(--neg)}.pos{color:var(--pos)}
.all{margin-top:4px;width:100%;border:0;background:none;color:var(--strip-ink);font-weight:600;font-size:14px;display:flex;justify-content:space-between;padding:8px 4px;cursor:pointer}
.list{padding:8px 16px 110px}
h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 8px}
.it{width:100%;text-align:left;border:0;background:var(--card);border-radius:16px;padding:11px 12px;margin-bottom:8px;display:flex;gap:12px;align-items:center;box-shadow:0 1px 3px #0001;cursor:pointer}
.em{font-size:20px;font-weight:700;width:42px;height:42px;flex:none;background:var(--icon);border-radius:12px;display:grid;place-items:center;color:var(--tag-ink)}
.it .m{flex:1;min-width:0}.it .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.it .s{font-size:13px;color:var(--muted)}.it .a{font-weight:700;white-space:nowrap}
.me{background:var(--tag);border-radius:6px;padding:0 5px;font-size:11px;color:var(--tag-ink);margin-left:6px;font-weight:500}
.empty{text-align:center;color:var(--muted);padding:40px 16px}
.fab{position:fixed;bottom:20px;right:16px;z-index:6;border:0;background:var(--fab);color:var(--fab-ink);border-radius:30px;padding:15px 22px;font-weight:700;box-shadow:0 6px 16px #0004;cursor:pointer}
.scrim{position:fixed;inset:0;z-index:10;background:#2b2a3380}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:11;max-height:92vh;overflow:auto;background:var(--card);border-radius:24px 24px 0 0;padding:10px 16px 28px;box-shadow:0 -6px 24px #0003;max-width:560px;margin:0 auto}
.grab{width:40px;height:4px;border-radius:2px;background:#d8d0c6;margin:0 auto 12px}
.sheet h3{margin:0 0 2px;font-size:18px}.sheet p.hint{margin:0 0 10px;font-size:13px;color:var(--muted)}
.r{display:flex;align-items:center;gap:12px;padding:10px 8px;border-bottom:1px solid var(--line)}.r:last-of-type{border:0}
.av{width:34px;height:34px;flex:none;border-radius:50%;background:var(--icon);display:grid;place-items:center;font-weight:700;font-size:14px}
.r .n{flex:1;min-width:0;font-weight:600}.r .n small{display:block;font-weight:400;font-size:12px;color:var(--muted)}
.r.you{background:var(--tag);border-radius:12px;border:0;margin-bottom:6px}
.link{text-align:center;padding:12px;font-weight:600;color:var(--muted);cursor:pointer;background:none;border:0;width:100%}
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 4px}
input,textarea{width:100%;border:1.5px solid #ecdcce;background:var(--field);border-radius:12px;padding:11px 12px;font-size:16px}
input:focus,textarea:focus{outline:2px solid var(--strip);border-color:#e0a07f}
input:disabled,textarea:disabled{background:#f6f1ec;color:var(--muted)}
textarea{resize:vertical;min-height:64px}
.btn{display:block;width:100%;border:0;border-radius:16px;padding:14px;font-weight:700;font-size:16px;margin-top:14px;cursor:pointer;background:var(--fab);color:var(--fab-ink)}
.btn.soft{background:var(--strip);color:var(--strip-ink)}.btn.ghost{background:none;color:var(--muted);font-weight:600;margin-top:4px}
.btn.danger{background:none;color:var(--neg);font-weight:600;margin-top:4px}
.btn:disabled{opacity:.6}
.err{color:var(--neg);font-size:14px;margin-top:10px;min-height:1px}
.note{font-size:13px;color:var(--muted);margin-top:10px}
.page{padding:28px 18px 40px;max-width:560px;margin:0 auto}
.page h1{font-size:26px;margin:0 0 6px}.page .intro{color:var(--muted);margin:0 0 18px}
.page .card{background:var(--card);border-radius:20px;padding:6px 16px 18px;box-shadow:0 1px 4px #0001}
.linkbox{background:var(--field);border:1.5px dashed #e0a07f;border-radius:12px;padding:10px 12px;word-break:break-all;font-size:14px;margin-top:8px}
.groups{margin-top:22px}.groups a{display:block;background:var(--card);border-radius:14px;padding:12px 14px;margin-bottom:8px;color:inherit;text-decoration:none;font-weight:600;box-shadow:0 1px 3px #0001}
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);z-index:20;background:var(--fab);color:#fff;border-radius:20px;padding:8px 16px;font-size:14px}
a.btn{text-align:center;text-decoration:none}
.hd .actions{display:flex;gap:6px;flex:none}
.hd .gname{min-width:0}
.settle-head{padding:14px 4px 10px}.settle-head h1{margin:0;font-size:24px}.settle-head p{margin:4px 0 0;opacity:.85}
.it.pay{cursor:default}.it.pay.mine{outline:2px solid var(--tag)}.it .t.wrap{white-space:normal}
.row2{display:flex;justify-content:space-between;align-items:center;margin-top:2px}.row2 .all{width:auto;margin:0;padding:8px 4px}.row2 .invite{border:0;background:var(--chip);color:var(--strip-ink);border-radius:14px;padding:6px 14px;font-weight:700;font-size:14px;cursor:pointer}