:root {
  --crema: #FBF6EE;
  --tinta: #2B2420;
  --terracota: #C8553D;
  --salvia: #7FA88A;
  --arena: #F1E8DA;
  --arena-2: #E8D9C4;
  --barra: #F3EADD;
  --verde: #3F7D58;
  --blanco: #FFFFFF;
  --sombra: 0 1px 0 rgba(43, 36, 32, .06), 0 4px 14px rgba(43, 36, 32, .05);
  --radio: 18px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --nav-alto: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--crema); color: var(--tinta); font-family: var(--sans); -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 14px) 16px calc(var(--nav-alto) + env(safe-area-inset-bottom) + 24px);
}

/* Selector de vista */
.who { display: flex; background: var(--arena); border-radius: 14px; padding: 3px; margin-bottom: 10px; }
.who button { flex: 1; border: 0; background: transparent; padding: 8px 0; border-radius: 11px; font-size: 13px; font-weight: 500; white-space: nowrap; }
.who button[aria-pressed="true"] { background: var(--blanco); font-weight: 700; box-shadow: 0 1px 3px rgba(43, 36, 32, .15); }

/* Selector de mes */
.months { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 10px; scrollbar-width: none; scroll-snap-type: x proximity; }
.months::-webkit-scrollbar { display: none; }
.months button { flex: none; border: 0; background: var(--arena); padding: 6px 12px; border-radius: 20px; font-size: 12px; scroll-snap-align: end; }
.months button[aria-pressed="true"] { background: var(--tinta); color: var(--crema); font-weight: 600; }

.title { margin: 6px 0 0; font-size: 13px; font-weight: 500; opacity: .65; }
.big { font-family: var(--serif); font-size: 44px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin: 2px 0; }
.delta { font-size: 13px; font-weight: 600; min-height: 18px; }
.delta.baja { color: var(--verde); }
.delta.sube { color: var(--terracota); }

.card { background: var(--blanco); border-radius: var(--radio); padding: 16px; margin: 12px 0; box-shadow: var(--sombra); }
.card .t { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; opacity: .6; margin-bottom: 10px; font-weight: 600; }
.card.empty { text-align: center; padding: 26px 16px; opacity: .8; }
.two { display: flex; gap: 10px; }
.two > div { flex: 1; }
.k { font-family: var(--serif); font-size: 22px; font-weight: 700; }
.ks { font-size: 12px; opacity: .6; }

.stack { display: flex; height: 12px; border-radius: 6px; overflow: hidden; margin: 10px 0 8px; background: var(--barra); }
.stack span { display: block; height: 100%; }
.leg { display: flex; gap: 12px; font-size: 12px; flex-wrap: wrap; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: 1px; }

.cat { display: grid; grid-template-columns: 1fr auto; align-items: baseline; column-gap: 8px; row-gap: 5px; font-size: 13px; margin: 12px 0; }
.cat .n { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat .b { grid-column: 1 / -1; grid-row: 2; height: 8px; border-radius: 4px; background: var(--barra); overflow: hidden; }
.cat .b span { display: block; height: 100%; background: var(--terracota); border-radius: 4px; }
.cat .v { width: 64px; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.chart { width: 100%; height: auto; display: block; }

/* Barra inferior */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: space-around;
  background: var(--blanco); border-top: 1px solid #EFE6D8;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
}
.nav button { border: 0; background: transparent; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; opacity: .5; padding: 4px 18px; }
.nav button span { font-size: 20px; }
.nav button[aria-current="page"] { opacity: 1; font-weight: 700; }

/* Configuración inicial */
.setup { padding-top: 12vh; text-align: center; }
.setup h1 { font-family: var(--serif); font-size: 32px; margin: 0 0 8px; }
.setup p { opacity: .7; margin: 0 0 22px; line-height: 1.45; }
.field { width: 100%; border: 1px solid var(--arena-2); background: var(--blanco); border-radius: 12px; padding: 13px 14px; font-size: 16px; }
.btn { width: 100%; border: 0; border-radius: 14px; padding: 14px; font-weight: 700; font-size: 16px; background: var(--tinta); color: var(--crema); margin-top: 12px; }
.btn.secondary { background: var(--arena); color: var(--tinta); }
.btn.danger { background: transparent; color: var(--terracota); }
.btn:disabled { opacity: .5; }
.error { color: var(--terracota); font-size: 14px; min-height: 20px; margin-top: 10px; }

.loading { text-align: center; padding: 30vh 0; opacity: .5; }

/* Aviso flotante */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--nav-alto) + env(safe-area-inset-bottom) + 16px);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--tinta); color: var(--crema); padding: 10px 16px; border-radius: 12px; font-size: 14px;
  transition: opacity .2s, transform .2s; z-index: 30; max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Movimientos y Ahorro */
.day { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; opacity: .55; margin: 18px 4px 6px; }
.card.list { padding: 6px 14px; }
.card.list .t { margin: 10px 0 4px; }
.row { display: flex; align-items: center; gap: 12px; width: 100%; border: 0; background: transparent; text-align: left; padding: 11px 0; border-top: 1px solid #F3EDE3; }
.card.list .row:first-child, .card.list .t + .row { border-top: 0; }
.row .emo { font-size: 20px; width: 28px; text-align: center; }
.row .txt { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.row .txt b { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .txt small { font-size: 12px; opacity: .6; }
.row .amt { font-weight: 700; font-variant-numeric: tabular-nums; }
.row .del { border: 0; background: var(--arena); width: 28px; height: 28px; border-radius: 50%; font-size: 12px; }
.muted { opacity: .6; font-size: 14px; padding: 8px 0 14px; }
.fab {
  position: fixed; right: max(18px, calc(50% - 242px)); bottom: calc(var(--nav-alto) + env(safe-area-inset-bottom) + 18px); z-index: 11;
  width: 56px; height: 56px; border-radius: 50%; border: 0; background: var(--terracota); color: #fff; font-size: 28px;
  box-shadow: 0 6px 18px rgba(200, 85, 61, .35);
}

/* Hoja inferior */
body.locked { overflow: hidden; }
.overlay { position: fixed; inset: 0; background: rgba(43, 36, 32, .35); z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.sheet {
  width: 100%; max-width: 520px; max-height: 92vh; overflow-y: auto; background: var(--crema);
  border-radius: 22px 22px 0 0; padding: 10px 18px calc(18px + env(safe-area-inset-bottom));
}
.sheet .grab { width: 40px; height: 5px; border-radius: 3px; background: var(--arena-2); margin: 0 auto 10px; }
.sheet h2 { font-family: var(--serif); font-size: 24px; margin: 4px 0 12px; }
.sheet label, .sheet .lbl { display: block; font-size: 12px; font-weight: 600; opacity: .7; margin: 12px 0 0; }
.sheet label .field { margin-top: 6px; opacity: 1; }
.sheet .lbl + .seg { margin-top: 6px; }
.sheet select.field { appearance: none; -webkit-appearance: none; }
.seg { display: flex; background: var(--arena); border-radius: 12px; padding: 3px; }
.seg button { flex: 1; border: 0; background: transparent; padding: 10px 0; border-radius: 10px; font-size: 14px; }
.seg button[aria-pressed="true"] { background: var(--blanco); font-weight: 700; box-shadow: 0 1px 3px rgba(43, 36, 32, .15); }