*{box-sizing:border-box}
body{margin:0;background:#f6f7fb;color:#17191f;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif}
button{font:inherit;border:0;background:none;color:inherit}
#app{max-width:520px;margin:auto;padding:calc(env(safe-area-inset-top) + 18px) 18px 105px}
header{display:flex;justify-content:space-between;align-items:center}
.eyebrow{font-size:10px;letter-spacing:1.5px;color:#8b8f99}
h1{font-size:28px;margin:4px 0 18px}h2{font-size:17px;margin:0}
.icon{font-size:21px}.month{display:flex;justify-content:space-between;align-items:center;margin:2px 0 14px}
.month button{font-size:30px;color:#7d8290}
.card{background:white;border-radius:22px;padding:18px;margin-bottom:14px;box-shadow:0 8px 25px #2026360d}
.muted,small{color:#858a96;font-size:12px}.big{font-size:38px;font-weight:800;margin:3px 0}.sub{font-size:12px;color:#858a96}
.progress{height:9px;background:#eceef3;border-radius:99px;margin:15px 0 9px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:#5b67e8;border-radius:99px}
.difference{font-size:13px;font-weight:700}
.people{display:grid;grid-template-columns:1fr 1fr;gap:12px}.person{text-align:center;padding:15px}.avatar{font-size:27px;display:block}
.person b{display:block;margin:5px}.person strong{font-size:20px;display:block}.person em{display:inline-block;font-size:11px;font-style:normal;font-weight:700;padding:4px 8px;border-radius:20px;margin-top:8px;background:#eef8f1;color:#248044}
.person em.neg{background:#fff0f0;color:#c43e3e}
.contrib{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.contrib div{background:#f5f6fa;border-radius:15px;padding:13px;text-align:center}.contrib b{display:block;font-size:18px;margin-top:3px}
.row{display:flex;justify-content:space-between;align-items:center}.link{color:#5864d8;font-size:13px;font-weight:700}
.expense-row{display:flex;gap:11px;align-items:center;padding:12px 0;border-bottom:1px solid #f0f1f4}.expense-row:last-child{border-bottom:0}
.cat{width:38px;height:38px;border-radius:12px;background:#f1f2f7;display:grid;place-items:center}.expense-info{flex:1}.expense-info b{display:block;font-size:14px}.expense-info small{font-size:11px}.expense-amount{font-weight:700}
.add{position:fixed;left:50%;transform:translateX(-50%);bottom:72px;background:#17191f;color:white;border-radius:18px;padding:14px 23px;font-weight:700;box-shadow:0 8px 24px #0002;z-index:3}
nav{position:fixed;bottom:0;left:0;right:0;height:66px;background:#ffffffed;backdrop-filter:blur(15px);display:flex;justify-content:center;gap:8px;border-top:1px solid #e8e9ed;z-index:2}
nav button{width:75px;color:#858a96;font-size:20px}nav button.active{color:#5864d8}nav small{display:block;font-size:9px}
.modal{position:fixed;inset:0;background:#0005;z-index:10;display:flex;align-items:flex-end}.modal.hidden{display:none}
.sheet{background:#fff;border-radius:28px 28px 0 0;width:100%;max-width:520px;margin:auto;padding:25px 20px calc(30px + env(safe-area-inset-bottom));max-height:90vh;overflow:auto}
.close{float:right;font-size:28px;color:#888}.form h2{margin-bottom:18px}.field{margin:12px 0}.field label{display:block;font-size:12px;color:#858a96;margin-bottom:6px}
.field input,.field select{width:100%;padding:13px;border:1px solid #e3e5ea;border-radius:13px;font-size:16px;background:#fafbfc}
.primary{width:100%;padding:14px;background:#5864d8;color:#fff;border-radius:14px;font-weight:700;margin-top:10px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:7px}.seg button{padding:11px;border:1px solid #ddd;border-radius:12px}.seg button.sel{background:#eceeff;border-color:#6873e5;color:#4854c8;font-weight:700}
.stat{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eee}.empty{text-align:center;color:#8b8f99;padding:20px}
#connection{font-size:10px;margin-top:-12px;margin-bottom:12px}.online{color:#248044}.offline{color:#a06b00}