/* ===== Better Ledger NUBE — móvil-first, fintech oscuro ===== */
:root{
  --bg:#0e0f13; --card:#181a20; --card2:#20232b; --line:rgba(255,255,255,.08);
  --txt:#e7e9ee; --muted:#9aa0ac; --faint:#6b7280;
  --pos:#34d399; --neg:#f87171; --accent:#6366f1; --accent2:#818cf8;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{background:var(--bg);color:var(--txt);font-family:var(--font);font-size:16px;overscroll-behavior-y:none;overflow-x:hidden}
body{width:100%;max-width:640px;margin:0 auto;min-height:100vh}
.hidden{display:none!important}
input,select,button,textarea{font-family:var(--font);font-size:16px}
input,select{width:100%;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:13px 14px;color:var(--txt);outline:none}
input:focus,select:focus{border-color:var(--accent)}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}
.faint{color:var(--faint)} .pad{padding:14px} .pos{color:var(--pos)} .neg{color:var(--neg)}

/* login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-box{width:100%;max-width:360px;margin:0 auto;text-align:center}
.login-box input{width:100%}
.brand{font-size:32px;font-weight:800;letter-spacing:-.02em}.brand span{color:var(--accent2)}
.sub{color:var(--muted);margin:6px 0 26px}
.login-box form{display:flex;flex-direction:column;gap:12px}
.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:14px;font-weight:600;font-size:16px}
.err{color:var(--neg);font-size:13px;min-height:16px}

/* app shell */
.app{padding-bottom:78px}
.view{padding:calc(env(safe-area-inset-top) + 14px) 16px 20px}
.vhead{display:flex;align-items:baseline;justify-content:space-between;margin:6px 0 16px}
.vhead h1{font-size:26px;font-weight:800;letter-spacing:-.02em}
.sec{font-size:14px;color:var(--muted);font-weight:600;margin:22px 0 10px}
.loading{padding:60px 0;text-align:center;color:var(--faint)}

/* caja */
.caja-card{background:linear-gradient(160deg,#1e2130,#15171e);border:1px solid var(--line);border-radius:20px;padding:22px;margin-bottom:14px}
.caja-main small{color:var(--muted);font-size:13px}
.caja-num{font-size:34px;font-weight:800;letter-spacing:-.02em;margin-top:4px}
.caja-num.neg{color:var(--neg)}
.caja-usd{display:flex;align-items:baseline;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);flex-wrap:wrap}
.caja-usd b{font-size:18px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:6px}
.mini{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px}
.mini small{color:var(--muted);font-size:12px}
.mini div{font-size:17px;font-weight:700;margin-top:3px}
.mini.tap:active{background:var(--card2)}

/* lista tx */
.tx-list{display:flex;flex-direction:column}
.tx{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 4px;border-bottom:1px solid var(--line)}
.tx:active{background:var(--card)}
.tx-l{flex:1;min-width:0}.tx-desc{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-meta{font-size:12px;color:var(--faint);margin-top:2px}
.tx-amt{font-weight:700;font-size:15px;white-space:nowrap}
.tx-r{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.chip{font-size:10px;padding:2px 7px;border-radius:20px;background:var(--card2);color:var(--muted);margin-left:6px}
.chip.pend{background:rgba(248,113,113,.15);color:#fca5a5}
.mini-btn{background:var(--accent);color:#fff;border:none;border-radius:9px;padding:6px 12px;font-size:13px;font-weight:600}
.link-btn{width:100%;background:none;border:none;color:var(--accent2);padding:14px;font-weight:600}
.search{margin-bottom:6px}

/* stats */
.mes-nav{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:14px}
.mes-nav button{background:var(--card);border:1px solid var(--line);color:var(--txt);width:38px;height:38px;border-radius:11px;font-size:18px}
.bal-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-top:10px;display:flex;justify-content:space-between;align-items:center}
.bal-card b{font-size:20px}.bal-card.pos b{color:var(--pos)}.bal-card.neg b{color:var(--neg)}
.bars{display:flex;flex-direction:column;gap:12px}
.bar-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.bar{height:9px;background:var(--card2);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:6px}

/* cards ajustes */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:14px}
.btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:12px;padding:13px;font-weight:600;margin-top:14px}
.btn.ghost{background:var(--card2);color:var(--txt);text-decoration:none;display:block;text-align:center;margin-top:0}
.btn.danger{background:rgba(248,113,113,.14);color:#fca5a5}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* FAB + tabbar */
.fab{position:fixed;left:50%;transform:translateX(-50%);bottom:86px;width:58px;height:58px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:30px;box-shadow:0 8px 24px rgba(99,102,241,.45);z-index:30}
.fab:active{transform:translateX(-50%) scale(.94)}
.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:640px;margin:0 auto;display:flex;background:rgba(20,22,28,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:20}
.tab{flex:1;background:none;border:none;color:var(--faint);padding:9px 2px 8px;font-size:11px;display:flex;flex-direction:column;align-items:center;gap:3px}
.tab .ti{font-size:19px}
.tab.active{color:var(--accent2)}

/* sheet modal */
.sheet-back{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:40}
.sheet{position:fixed;left:0;right:0;bottom:0;max-width:640px;margin:0 auto;background:var(--card);border-radius:22px 22px 0 0;padding:8px 18px calc(env(safe-area-inset-bottom) + 24px);z-index:50;max-height:92vh;overflow-y:auto;animation:up .22s ease}
@keyframes up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-grip{width:40px;height:4px;background:var(--line);border-radius:3px;margin:6px auto 10px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.sheet-head b{font-size:18px}
.x{background:none;border:none;color:var(--faint);font-size:20px}
.seg{display:flex;background:var(--card2);border-radius:12px;padding:4px;gap:4px;margin:12px 0}
.seg button{flex:1;background:none;border:none;color:var(--muted);padding:9px;border-radius:9px;font-weight:600}
.seg button.on{background:var(--accent);color:#fff}
.seg.sm{margin:0;width:auto}.seg.sm button{padding:9px 14px}
.f-row{display:flex;gap:10px;align-items:center;margin-bottom:4px}
.big-input{font-size:26px;font-weight:700;text-align:left}
.ia-btn{width:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;border:none;border-radius:12px;padding:13px;font-weight:600;margin:6px 0 4px}
.file-btn{display:block;text-align:center;background:var(--card2);border:1px dashed var(--line);border-radius:12px;padding:16px;color:var(--muted);margin-top:6px}
.ia-img{max-width:100%;border-radius:12px;margin-top:12px}
.ia-btn:active,.btn:active,.mini-btn:active{opacity:.85}

/* toasts */
.toasts{position:fixed;bottom:150px;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:80;pointer-events:none}
.toast{background:#e7e9ee;color:#111;padding:10px 18px;border-radius:20px;font-size:14px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.toast.bad{background:#f87171;color:#fff}