:root{
  --bg:#0E1116; --surface:#171C23; --surface-2:#1E252E; --line:#2A333D;
  --text:#E8EDF2; --muted:#8B98A6; --dim:#5C6875;
  --gasto:#E2725B; --provision:#E3B23C; --deuda:#2BB3A3; --ahorro:#7C8CF8; --libre:#F2F5F8;
  --radius:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg)}
body{
  color:var(--text);font-family:Inter,system-ui,sans-serif;font-size:15px;
  padding:max(20px,env(safe-area-inset-top)) 16px calc(48px + env(safe-area-inset-bottom));
  max-width:620px;margin:0 auto;
}
.hidden{display:none!important}
.mono{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
h1{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:26px;letter-spacing:-.02em;margin:0 0 2px}
.sub{color:var(--muted);font-size:13px;margin:0}

/* ---- acceso ---- */
.gate{min-height:80vh;display:flex;align-items:center;justify-content:center}
.gate-card{width:100%;max-width:340px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px}
.gate-title{margin-bottom:4px}
.flabel{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:18px 0 6px}
.finput{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;color:var(--text);
  font-family:Inter,sans-serif;font-size:16px;padding:11px 12px}
.finput:focus{outline:none;border-color:var(--muted)}
.ferror{color:var(--gasto);font-size:13px;min-height:18px;margin:10px 0 0}
.fbtn{width:100%;margin-top:14px;background:var(--text);color:#0E1116;border:none;border-radius:10px;
  padding:13px;font-family:Inter,sans-serif;font-size:15px;font-weight:600;cursor:pointer}
.fbtn:disabled{opacity:.5}

/* ---- topbar ---- */
.topbar{display:flex;align-items:flex-start;gap:12px;margin-bottom:18px}
.topbar>div{flex:1}
.icon-btn{flex:none;width:38px;height:38px;background:var(--surface);border:1px solid var(--line);
  color:var(--muted);border-radius:10px;font-size:18px;line-height:1;cursor:pointer}
.syncbar{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;
  padding:9px 12px;font-size:12.5px;color:var(--provision);margin-bottom:16px}

/* ---- hero ---- */
.hero{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;margin-bottom:26px}
.hero-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hero-libre{font-size:38px;font-weight:700;letter-spacing:-.03em;line-height:1.05;margin-top:4px}
.hero-libre.neg{color:var(--gasto)}
.hero-note{font-size:12.5px;color:var(--muted);margin-top:2px}
.bar{display:flex;height:12px;border-radius:99px;overflow:hidden;margin:16px 0 12px;background:#232B34}
.bar span{display:block;transition:width .35s cubic-bezier(.4,0,.2,1)}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.legend div{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:2px;flex:none}
.legend b{margin-left:auto;color:var(--text);font-family:'JetBrains Mono',monospace;font-weight:500}

/* ---- secciones ---- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:26px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.box .flabel{margin:0 0 6px}
.box input{width:100%;background:none;border:none;color:var(--text);
  font-family:'JetBrains Mono',monospace;font-size:20px;font-weight:600;padding:0}
.box input:focus{outline:none}
section{margin-bottom:26px}
.head{display:flex;align-items:baseline;gap:10px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.head h2{font-family:'Bricolage Grotesque',sans-serif;font-size:16px;font-weight:700;margin:0;letter-spacing:-.01em}
.rule{flex:1}
.head .tot{font-size:16px;font-weight:700}
.hint{font-size:12px;color:var(--muted);margin:-4px 0 12px;line-height:1.45}
.row{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:11px;padding:9px 10px;margin-bottom:7px}
.row .nm{flex:1;min-width:0;background:none;border:none;color:var(--text);font-size:14.5px;font-family:Inter,sans-serif;padding:4px 0}
.am{width:78px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;color:var(--text);
  font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:600;text-align:right;padding:6px 8px}
input:focus{outline:none;border-color:var(--muted)}
.del{flex:none;width:28px;height:28px;border:none;background:none;color:var(--dim);font-size:19px;line-height:1;cursor:pointer;border-radius:8px}
.del:active{background:var(--surface-2);color:var(--gasto)}
.sel{background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px;font-size:13px;font-family:Inter,sans-serif}
.card{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:11px 11px 9px;margin-bottom:8px}
.card .line1{display:flex;align-items:center;gap:8px}
.card .line2{display:flex;align-items:center;gap:8px;margin-top:9px;flex-wrap:wrap}
.tag{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);flex:none}
.out{margin-top:9px;padding-top:9px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px}
.out b{font-family:'JetBrains Mono',monospace;font-size:15px}
.add{width:100%;background:none;border:1px dashed var(--line);color:var(--muted);border-radius:11px;
  padding:11px;font-size:14px;font-family:Inter,sans-serif;cursor:pointer}
.add:active{background:var(--surface);color:var(--text)}
.empty{color:var(--dim);font-size:13px;padding:2px 0 10px}
footer{color:var(--dim);font-size:12px;text-align:center;border-top:1px solid var(--line);padding-top:16px}

/* ---- menú ---- */
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50}
.sheet-card{width:100%;max-width:620px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px 16px 0 0;padding:8px 8px calc(8px + env(safe-area-inset-bottom))}
.sheet-item{width:100%;background:none;border:none;color:var(--text);font-family:Inter,sans-serif;
  font-size:15.5px;padding:15px;text-align:left;cursor:pointer;border-radius:10px}
.sheet-item:active{background:var(--surface-2)}
.sheet-item.danger{color:var(--gasto)}
.sheet-item.cancel{color:var(--muted);text-align:center;border-top:1px solid var(--line);margin-top:4px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}