:root{
  --paper:#F6F4EE; --ink:#15140F; --panel:#FFFFFF; --line:#E3DFD4; --muted:#6F6A60;
  --gold:#B8901F; --gold-soft:#F4EAC8; --ingreso:#1F7A4D; --ingreso-soft:#DDF0E5;
  --gasto:#B3392B; --gasto-soft:#F7DEDA; --danger:#B3392B; --radius:14px; --nav-h:64px;
}
@media (prefers-color-scheme: dark){ :root{
  --paper:#15140F; --ink:#F3EFE4; --panel:#1F1D17; --line:#33302A; --muted:#A39D8F;
  --gold:#D8B13A; --gold-soft:#3A3115; --ingreso:#5FCB8E; --ingreso-soft:#173826;
  --gasto:#F08A7C; --gasto-soft:#3F1F1B; --danger:#F08A7C;
}}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Sora",system-ui,sans-serif;margin:0;text-wrap:balance}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
a{color:var(--gold)}

/* ---------- auth ---------- */
.auth{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px 24px}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.brand .mark{width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--gold);display:grid;place-items:center;font-family:Sora;font-weight:700}
.brand small{display:block;color:var(--muted);font-size:12px}
.auth-card h1{font-size:20px}
.field{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.field label{font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.field input,.field select,.field textarea{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 12px;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold)}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:10px 14px;font-weight:500}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn.primary{background:var(--ink);color:var(--gold);border-color:var(--ink)}
.btn.ghost{background:none}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.full{width:100%;margin-top:14px}
.btn.sm{padding:6px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
.msg{margin-top:12px;font-size:13px;color:var(--muted);min-height:1.2em}
.msg.err{color:var(--danger)}
.link{background:none;border:0;color:var(--gold);padding:0;font-size:13px;text-decoration:underline}
.center{text-align:center}

/* ---------- app shell ---------- */
.app{min-height:100%;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:5;background:var(--paper);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px 8px;padding-top:calc(14px + env(safe-area-inset-top,0px))}
.topbar h2{font-size:18px}
.chip{border:0;font-size:12px;padding:5px 11px;border-radius:999px;background:var(--gold-soft);color:var(--gold);font-weight:600;letter-spacing:.03em}
.main{flex:1;padding:0 16px calc(var(--nav-h) + 24px + env(safe-area-inset-bottom,0px));max-width:720px;width:100%;margin:0 auto}
.nav{position:fixed;left:0;right:0;bottom:0;background:var(--panel);border-top:1px solid var(--line);display:flex;padding-bottom:env(safe-area-inset-bottom,0px);z-index:5}
.nav button{flex:1;border:0;background:none;padding:9px 4px 10px;font-size:11px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:3px}
.nav button svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav button.on{color:var(--gold);font-weight:600}
@media (min-width:900px){
  .app{flex-direction:row}
  .nav{position:sticky;top:0;bottom:auto;left:auto;right:auto;height:100vh;width:200px;flex-direction:column;border-top:0;border-right:1px solid var(--line);padding:24px 10px;gap:4px;justify-content:flex-start}
  .nav button{flex:0 0 auto;flex-direction:row;justify-content:flex-start;gap:10px;font-size:14px;padding:10px 12px;border-radius:10px}
  .nav button.on{background:var(--gold-soft)}
  .nav .navbrand{display:flex!important;align-items:center;gap:10px;padding:0 12px 18px;font-family:Sora;font-weight:600}
  .content{flex:1;min-width:0}
  .main{padding-bottom:40px}
}
.navbrand{display:none}

/* ---------- inicio ---------- */
.balance{background:var(--ink);color:#F6F4EE;border-radius:20px;padding:18px 20px;margin-top:6px}
.balance small{font-size:12px;color:#B7B1A3;letter-spacing:.08em;text-transform:uppercase}
.balance .big{font-family:Sora;font-size:36px;font-weight:600;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.1;margin:4px 0 12px}
.balance .split{display:flex;gap:22px;font-size:13px;font-variant-numeric:tabular-nums;color:#B7B1A3}
.balance .split b{display:block;font-size:16px;color:#F6F4EE}
.balance .split b.in{color:#7FD7A5}.balance .split b.out{color:#F2B8AE}
.monthnav{display:flex;align-items:center;gap:6px}
.monthnav button{border:1px solid var(--line);background:var(--panel);border-radius:8px;width:30px;height:30px;padding:0}
.sec{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:20px 0 8px;display:flex;justify-content:space-between;align-items:center}
.sec .link{text-transform:none;letter-spacing:0}
.bars{display:flex;flex-direction:column;gap:8px}
.bar{display:grid;grid-template-columns:minmax(90px,130px) 1fr 70px;gap:10px;align-items:center;font-size:13px}
.bar span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .t{height:10px;background:var(--line);border-radius:5px;overflow:hidden}
.bar .t i{display:block;height:100%;background:var(--gold);border-radius:5px}
.bar em{font-style:normal;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.empty{color:var(--muted);font-size:14px;padding:18px;text-align:center;border:1px dashed var(--line);border-radius:12px}

/* ---------- list ---------- */
.list{display:flex;flex-direction:column;gap:6px}
.row{display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-align:left;width:100%}
.row:focus-visible{outline:2px solid var(--gold)}
.row .ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:17px;background:var(--gasto-soft)}
.row.in .ico{background:var(--ingreso-soft)}
.row b{font-weight:500;font-size:14px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row small{color:var(--muted);font-size:12px}
.row .amt{font-variant-numeric:tabular-nums;font-weight:600;color:var(--gasto);font-size:14px;white-space:nowrap}
.row.in .amt{color:var(--ingreso)}
.row .src{font-size:10px;color:var(--muted);display:block;text-align:right}
.row.del{opacity:.55}
.filters{display:flex;gap:6px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}
.filters button{white-space:nowrap;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 12px;font-size:12px}
.filters button.on{background:var(--ink);color:var(--gold);border-color:var(--ink)}
.toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:6px 0 4px}

/* ---------- settings ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.card + .card{margin-top:6px}
.card b{font-size:14px;font-weight:500;display:block}
.card small{color:var(--muted);font-size:12px;display:block}
.card.col{flex-direction:column;align-items:stretch}
.code{font-family:Sora;font-weight:700;letter-spacing:.22em;background:var(--gold-soft);color:var(--gold);padding:8px 12px;border-radius:8px;font-size:18px}
.member{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 12px;font-size:13px}
.member + .member{margin-top:6px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--gold);display:grid;place-items:center;font-family:Sora;font-weight:700;font-size:11px}
.role{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--gold-soft);color:var(--gold);font-weight:600}
.role.r{background:var(--line);color:var(--muted)}
.inline{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.inline input,.inline select{flex:1;min-width:140px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.qr{width:200px;height:200px;background:#fff;padding:8px;border-radius:12px;margin:10px auto;display:block}
.qr svg{width:100%;height:100%}
.secret{font-family:monospace;font-size:12px;word-break:break-all;color:var(--muted)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:end center;z-index:20;padding:0}
.modal .sheet{background:var(--panel);width:100%;max-width:520px;border-radius:20px 20px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom,0px));max-height:92vh;overflow-y:auto}
@media (min-width:900px){.modal{place-items:center}.modal .sheet{border-radius:20px}}
.sheet h3{font-size:17px;margin-bottom:6px}
.seg{display:flex;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:3px;margin-top:12px}
.seg button{flex:1;border:0;background:none;border-radius:8px;padding:8px}
.seg button.on.gasto{background:var(--gasto-soft);color:var(--gasto);font-weight:600}
.seg button.on.ingreso{background:var(--ingreso-soft);color:var(--ingreso);font-weight:600}
.actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-end;flex-wrap:wrap}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--nav-h) + 14px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);padding:9px 16px;border-radius:999px;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:30}
.toast.show{opacity:1}
.fab{position:fixed;right:18px;bottom:calc(var(--nav-h) + 16px + env(safe-area-inset-bottom,0px));width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--gold);border:0;font-size:26px;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:6}
@media (min-width:900px){.fab{bottom:28px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}