:root{
  --bg:#0C1311; --bg-deep:#080D0B; --surface:#15201C; --surface2:#1C2A25;
  --line:rgba(217,183,121,.14); --line-soft:rgba(217,183,121,.08);
  --gold:#D9B779; --gold-soft:#E6CF9B; --cream:#EFEBDF; --muted:#8FA09A;
  --income:#6FC98E; --income-bg:rgba(111,201,142,.12);
  --expense:#E8846B; --expense-bg:rgba(232,132,107,.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,var(--bg),var(--bg-deep));
  color:var(--cream); min-height:100vh;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.serif{font-family:'Fraunces',Georgia,serif}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}

.wrap{max-width:880px;margin:0 auto;padding:0 16px 120px}

/* Botones / utilidades */
.tap{transition:transform .12s ease,background .15s ease,border-color .15s ease,opacity .15s ease;cursor:pointer}
.tap:active{transform:scale(.97)}
.icon-btn{width:38px;height:38px;border-radius:11px;background:var(--surface);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--cream)}
.icon-btn-sm{width:30px;height:30px;border-radius:9px;background:var(--surface);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.btn-gold{display:block;width:100%;padding:14px 0;border-radius:14px;border:none;cursor:pointer;
  font-weight:600;font-size:15px;text-align:center;text-decoration:none;
  background:linear-gradient(145deg,var(--gold),#B8954F);color:var(--bg-deep)}
.btn-gold[disabled]{background:var(--surface2);color:var(--muted);cursor:not-allowed;opacity:.7}

/* Encabezado */
.head{display:flex;align-items:center;justify-content:space-between;padding:22px 2px 14px}
.head-l{display:flex;align-items:center;gap:11px}
.logo{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--gold),#B8954F);box-shadow:0 6px 18px rgba(217,183,121,.22)}
.brand{font-size:19px;font-weight:600;color:var(--cream);line-height:1}
.brand-sub{font-size:11px;color:var(--muted);margin-top:3px;letter-spacing:.04em}
.head-r{display:flex;align-items:center;gap:8px}
.who{font-size:12px;color:var(--muted)}

/* Hero saldo */
.hero{
  background:radial-gradient(120% 140% at 80% -10%,rgba(217,183,121,.10),transparent 55%),var(--surface);
  border:1px solid var(--line);border-radius:22px;padding:26px 24px 22px;overflow:hidden}
.hero-label{font-size:12px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.hero-total{font-size:46px;font-weight:500;color:var(--cream);line-height:1.05;margin-top:6px}
.hero-total.neg{color:var(--expense)}
.acct-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.acct{background:var(--bg-deep);border:1px solid var(--line-soft);border-radius:15px;padding:13px 15px}
.acct-top{display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:3px}
.acct-name{font-size:12.5px;color:var(--muted);font-weight:500}
.acct-bal{font-size:21px;font-weight:500;margin-top:7px;color:var(--cream)}
.acct-bal.neg{color:var(--expense)}

/* Mes */
.month-nav{display:flex;align-items:center;justify-content:space-between;margin:22px 2px 12px}
.month-label{font-size:16px;font-weight:500;color:var(--cream)}

/* Resumen */
.sum-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sum{background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;padding:15px 16px}
.sum-top{display:flex;align-items:center;gap:8px}
.sum-ic{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.sum-label{font-size:12.5px;color:var(--muted);font-weight:500}
.sum-val{font-size:22px;font-weight:500;color:var(--cream);margin-top:9px}
.bar{height:8px;border-radius:8px;overflow:hidden;background:var(--bg-deep);display:flex}
.bar > span{transition:width .4s ease}
.bar-row{display:flex;align-items:center;justify-content:space-between;margin-top:9px}
.bar-cap{font-size:12px;color:var(--muted)}
.bar-net{font-size:13px;font-weight:600}

/* Chips */
.chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:26px 2px 12px}
.chip{font-size:12.5px;font-weight:500;padding:6px 13px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:transparent;color:var(--muted)}
.chip.on{border-color:var(--gold);background:rgba(217,183,121,.14);color:var(--gold-soft)}

/* Lista */
.list{display:flex;flex-direction:column;gap:8px}
.empty{text-align:center;padding:48px 20px;border:1px dashed var(--line);border-radius:18px;margin-top:4px}
.empty-t{font-size:17px;color:var(--cream)}
.empty-s{font-size:13px;color:var(--muted);margin-top:6px}
.tx{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line-soft);
  border-radius:14px;padding:12px 14px;animation:fade .25s ease both}
.tx-ic{width:38px;height:38px;border-radius:11px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.tx-mid{flex:1;min-width:0}
.tx-cat{font-size:14.5px;font-weight:600;color:var(--cream);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-meta{display:flex;align-items:center;gap:7px;margin-top:3px;color:var(--muted);font-size:11.5px}
.tx-meta .dot{width:6px;height:6px;border-radius:2px}
.tx-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-right{display:flex;align-items:center;gap:6px;flex-shrink:0}
.tx-amt{font-size:15.5px;font-weight:500;white-space:nowrap}
.tx-amt.in{color:var(--income)} .tx-amt.out{color:var(--expense)}

/* FAB */
.fab{position:fixed;right:20px;bottom:24px;width:58px;height:58px;border-radius:19px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;z-index:30;
  background:linear-gradient(145deg,var(--gold),#B8954F);box-shadow:0 10px 28px rgba(217,183,121,.35)}

/* Hoja modal */
.sheet-bg{position:fixed;inset:0;z-index:40;background:rgba(4,8,6,.62);backdrop-filter:blur(4px);
  display:flex;align-items:flex-end;justify-content:center;animation:fade .2s ease}
.sheet{width:100%;max-width:480px;max-height:92vh;overflow-y:auto;background:var(--bg);
  border-top:1px solid var(--line);border-top-left-radius:26px;border-top-right-radius:26px;
  padding:10px 20px calc(28px + env(safe-area-inset-bottom));box-shadow:0 -20px 60px rgba(0,0,0,.5);
  animation:slideup .26s cubic-bezier(.22,1,.36,1)}
.grab{width:40px;height:4px;border-radius:4px;background:var(--line);margin:0 auto 14px}
.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.sheet-title{font-size:20px;font-weight:600;color:var(--cream);margin:0}
.label{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.05em;text-transform:uppercase;margin:20px 0 9px}
.inp{width:100%;padding:12px 14px;border-radius:12px;background:var(--bg-deep);border:1px solid var(--line);
  color:var(--cream);font-size:14.5px;outline:none;font-family:inherit;margin-bottom:10px}
.inp:last-child{margin-bottom:0}
.inp::placeholder{color:#5d6b66}

/* Toggle tipo */
.toggle{display:flex;gap:8px;background:var(--bg-deep);padding:4px;border-radius:13px}
.toggle button{flex:1;padding:10px 0;border-radius:10px;border:none;cursor:pointer;font-weight:600;font-size:14px;
  background:transparent;color:var(--muted)}
.toggle button.in.on{background:var(--income);color:var(--bg-deep)}
.toggle button.out.on{background:var(--expense);color:var(--bg-deep)}

/* Monto grande */
.amount-wrap{text-align:center;margin-top:18px;display:flex;align-items:center;justify-content:center;gap:4px}
.amount-cur{font-size:30px;color:var(--muted)}
.amount-inp{background:transparent;border:none;outline:none;color:var(--cream);font-size:44px;font-weight:500;
  width:220px;text-align:center;font-family:'Fraunces',Georgia,serif}
.amount-inp::placeholder{color:#3f4b46}

/* Selector cuenta */
.acct-pick{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.acct-pick button{display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 0;border-radius:12px;
  cursor:pointer;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:transparent;color:var(--muted)}
.acct-pick button.on{color:var(--cream);background:rgba(217,183,121,.10)}

.note-box{padding:14px 15px;background:var(--bg-deep);border-radius:13px;border:1px solid var(--line-soft);
  font-size:12.5px;color:var(--muted);line-height:1.55;margin-top:22px}
.set-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.set-row .inp{margin-bottom:0}

/* Auth (login / install) */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);
  border-radius:22px;padding:34px 26px;text-align:center}
.brand-mark{width:52px;height:52px;border-radius:15px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  font-family:'Fraunces',serif;font-size:26px;font-weight:600;color:var(--bg-deep);
  background:linear-gradient(145deg,var(--gold),#B8954F);box-shadow:0 8px 22px rgba(217,183,121,.28)}
.auth-title{font-size:26px;font-weight:600;color:var(--cream);margin:0}
.auth-sub{font-size:13px;color:var(--muted);margin:6px 0 22px}
.auth-error{font-size:13px;color:var(--expense);background:var(--expense-bg);border-radius:10px;padding:10px;margin:0 0 16px}
.auth-warn{font-size:12.5px;color:var(--gold-soft);background:rgba(217,183,121,.10);border-radius:10px;padding:11px;margin:14px 0}
.auth-card form{text-align:left}
.auth-card .inp{margin-bottom:12px}
.auth-card .btn-gold{margin-top:6px}
.auth-fieldset{border:1px solid var(--line-soft);border-radius:14px;padding:14px;margin-bottom:14px}
.auth-legend{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--gold-soft);margin-bottom:10px}

@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes slideup{from{transform:translateY(100%)}to{transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}