:root{
  --bg:#f4f6fb; --card:#ffffff; --ink:#1f2733; --muted:#5b6675;
  --line:#e2e7f0; --brand:#2f6df6; --brand-d:#1f57d6;
  --green:#0f9d58; --green-bg:#e6f6ec; --red:#d93a3a; --red-bg:#fdeaea;
  --amber:#e08a00; --shadow:0 4px 18px rgba(20,40,90,.08);
  --r:16px; --tap:54px;
}
*{box-sizing:border-box}
svg{width:1.2em;height:1.2em;stroke-width:2;vertical-align:-.18em}
.login-logo{width:56px!important;height:56px!important;color:var(--brand)}
.topbar .title svg{color:var(--brand)}
.gasto .ic svg{width:24px;height:24px}
.drawer-item .e svg{width:26px;height:26px}
.icon-btn svg{width:26px;height:26px}
html{font-size:18px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.5;
  -webkit-text-size-adjust:100%}
h1,h2,h3{margin:0}
button{font:inherit;cursor:pointer}
.hidden{display:none!important}
.muted{color:var(--muted)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2f6df6,#1f3a8a);padding:20px}
.login-card{background:#fff;border-radius:22px;box-shadow:var(--shadow);
  width:100%;max-width:380px;padding:40px 30px;text-align:center}
.login-card .emoji{font-size:54px}
.login-card h1{font-size:26px;margin:6px 0}
.login-card p{color:var(--muted);margin:0 0 26px}
.field{width:100%;padding:16px;font-size:19px;border:2px solid var(--line);
  border-radius:14px;margin-bottom:14px;background:#fbfcfe}
.field:focus{outline:none;border-color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:var(--tap);padding:14px 22px;font-size:19px;font-weight:700;
  border:none;border-radius:14px;background:var(--brand);color:#fff;width:100%}
.btn:hover{background:var(--brand-d)}
.btn.secondary{background:#eef2fb;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--brand);border:2px solid var(--line)}
.btn.danger{background:var(--red)}
.btn.sm{min-height:44px;padding:8px 14px;font-size:16px;width:auto}
.login-err{color:var(--red);min-height:22px;margin-bottom:10px;font-weight:600}

/* ---------- App shell ---------- */
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:12px 16px}
.topbar .title{font-size:20px;font-weight:800;display:flex;gap:8px;align-items:center}
.icon-btn{min-width:var(--tap);min-height:var(--tap);border-radius:14px;border:2px solid var(--line);
  background:#fff;font-size:22px;display:flex;align-items:center;justify-content:center}
.icon-btn:hover{background:#f0f4ff}
.container{max-width:760px;margin:0 auto;padding:16px 16px 120px}

/* ---------- Balance ---------- */
.balance-card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}
.balance-card .periodo{color:var(--muted);font-weight:600;font-size:15px}
.balance-big{font-size:40px;font-weight:800;margin:4px 0 14px}
.balance-big.pos{color:var(--green)} .balance-big.neg{color:var(--red)}
.balance-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chip{border-radius:12px;padding:12px 14px;background:#f7f9fc}
.chip .lbl{font-size:14px;color:var(--muted)}
.chip .val{font-size:20px;font-weight:700}
.chip.ing .val{color:var(--green)} .chip.gas .val{color:var(--red)}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar .btn{width:auto;flex:1;min-width:140px}
.search{flex:2;display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--line);
  border-radius:14px;padding:0 14px;min-height:var(--tap)}
.search input{border:none;outline:none;font-size:18px;width:100%;background:transparent}

/* ---------- Filtros ---------- */
.filters{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}
.filters summary{font-size:18px;font-weight:700;cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}
.filters summary::-webkit-details-marker{display:none}
.filters .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.filters label{font-size:14px;color:var(--muted);display:block;margin-bottom:4px;font-weight:600}
.filters input,.filters select{width:100%;padding:12px;font-size:17px;border:2px solid var(--line);border-radius:12px;background:#fbfcfe}
.full{grid-column:1/-1}

/* ---------- Lista gastos ---------- */
.list-head{display:flex;align-items:center;justify-content:space-between;margin:6px 4px 10px}
.list-head h2{font-size:18px}
.gasto{display:flex;align-items:center;gap:14px;background:#fff;border-radius:14px;
  box-shadow:var(--shadow);padding:14px 16px;margin-bottom:10px;cursor:pointer;border:2px solid transparent}
.gasto:hover{border-color:#d6e1fb}
.gasto .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:22px;background:var(--green-bg);flex:0 0 auto}
.gasto.ingreso .ic{background:var(--green-bg)}
.gasto.gasto-row .ic{background:var(--red-bg)}
.gasto .info{flex:1;min-width:0}
.gasto .cpt{font-weight:700;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gasto .meta{font-size:14px;color:var(--muted)}
.gasto .amt{font-weight:800;font-size:20px;white-space:nowrap}
.gasto .amt.pos{color:var(--green)} .gasto .amt.neg{color:var(--ink)}
.empty{text-align:center;color:var(--muted);padding:40px 10px}

/* ---------- FAB ---------- */
.fab{position:fixed;right:18px;bottom:22px;z-index:30;display:flex;gap:12px}
.fab .btn{width:auto;border-radius:999px;box-shadow:0 8px 24px rgba(47,109,246,.4);padding:16px 22px;font-size:18px}
.fab .cam{background:#fff;color:var(--brand);border:2px solid var(--line);box-shadow:var(--shadow)}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,25,50,.55);z-index:50;display:flex;align-items:flex-end;justify-content:center;padding:0}
.modal{background:#fff;border-radius:22px 22px 0 0;width:100%;max-width:620px;max-height:92vh;overflow:auto;
  padding:22px;box-shadow:0 -8px 40px rgba(0,0,0,.25);animation:slideup .2s ease}
@keyframes slideup{from{transform:translateY(40px);opacity:.6}to{transform:none;opacity:1}}
.modal h2{font-size:22px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.modal .row{margin-bottom:14px}
.modal label{display:block;font-size:15px;font-weight:600;color:var(--muted);margin-bottom:6px}
.modal input,.modal select,.modal textarea{width:100%;padding:14px;font-size:18px;border:2px solid var(--line);border-radius:12px;background:#fbfcfe}
.modal textarea{min-height:70px;resize:vertical}
.modal .actions{display:flex;gap:12px;margin-top:18px}
.modal .actions .btn{flex:1}
.seg{display:flex;gap:8px;background:#eef2fb;border-radius:12px;padding:6px;margin-bottom:16px}
.seg button{flex:1;border:none;background:transparent;padding:12px;border-radius:9px;font-size:17px;font-weight:700;color:var(--muted)}
.seg button.active{background:#fff;color:var(--brand);box-shadow:var(--shadow)}

/* listas de gestión (cat/bancos) */
.manage-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}
.manage-item .nm{flex:1;font-size:18px;font-weight:600}
.tag{font-size:13px;padding:3px 10px;border-radius:999px;background:#eef2fb;color:var(--brand);font-weight:700}

/* menu lateral */
.drawer-bg{position:fixed;inset:0;background:rgba(15,25,50,.5);z-index:40}
.drawer{position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;background:#fff;z-index:41;
  box-shadow:-8px 0 40px rgba(0,0,0,.2);padding:18px;display:flex;flex-direction:column;gap:6px;animation:slidein .2s ease}
@keyframes slidein{from{transform:translateX(40px)}to{transform:none}}
.drawer .dh{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.drawer-item{display:flex;align-items:center;gap:14px;padding:16px 12px;border-radius:12px;font-size:18px;font-weight:600;
  background:#f7f9fc;border:none;text-align:left;color:var(--ink);text-decoration:none}
.drawer-item:hover{background:#eef2fb}
.drawer-item .e{font-size:24px}
.drawer-item.logout{background:var(--red-bg);color:var(--red);margin-top:auto}

/* IA report */
.ia-report{font-size:17px}
.ia-report h3{margin:16px 0 6px;color:var(--brand)}
.ia-report ul{padding-left:20px}
.ia-report li{margin:6px 0}
.ia-cierre{margin-top:14px;font-weight:700}

/* toast */
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);background:#1f2733;color:#fff;
  padding:14px 22px;border-radius:14px;font-weight:600;z-index:60;box-shadow:var(--shadow);animation:slideup .2s}
.toast.err{background:var(--red)}

.spinner{width:22px;height:22px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;
  display:inline-block;animation:spin .8s linear infinite;vertical-align:middle}
.spinner.dark{border-color:rgba(47,109,246,.3);border-top-color:var(--brand)}
@keyframes spin{to{transform:rotate(360deg)}}
.center{text-align:center;padding:30px}

@media(min-width:620px){
  .modal-bg{align-items:center}
  .modal{border-radius:22px}
}