/* Calibración Forestal — estilos
   Pensado para uso en terreno: contraste alto, botones grandes. */

:root{
  --verde: #1b5e20;
  --verde-oscuro: #10380f;
  --verde-claro: #e4efe2;
  --fondo: #f2efe7;
  --tarjeta: #ffffff;
  --tinta: #1e231c;
  --gris: #5d655a;
  --linea: #d8d4c6;
  --rojo: #b3261e;
  --ambar: #a05c00;
}

*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.45;
  color: var(--tinta);
  background: var(--fondo);
}

[hidden]{ display: none !important; }

/* ---------- Cabecera ---------- */
.cabecera{
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  padding: .7rem 1rem calc(.7rem);
  padding-top: calc(.7rem + env(safe-area-inset-top));
  background: var(--verde);
  color: #fff;
}
.cabecera h1{
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: .02em;
}
.cabecera span{
  font-size: .8rem;
  opacity: .9;
  white-space: nowrap;
}

/* ---------- Paneles / pestañas ---------- */
main{
  max-width: 640px;
  margin: 0 auto;
  padding: .8rem .8rem calc(5.5rem + env(safe-area-inset-bottom));
}
.panel{ display: none; }
.panel.activa{ display: block; }

.tabs{
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  background: var(--verde-oscuro);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button{
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .1rem;
  padding: .55rem .2rem .5rem;
  border: 0;
  background: none;
  color: #ffffffb3;
  font: inherit;
  font-size: .78rem;
  cursor: pointer;
}
.tabs button span{ font-size: 1.35rem; line-height: 1; }
.tabs button.activa{
  color: #fff;
  background: var(--verde);
  font-weight: 700;
}

/* ---------- Tarjetas ---------- */
.tarjeta{
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: 12px;
  padding: .9rem;
  margin-bottom: .9rem;
}
.tarjeta h2{
  margin: 0 0 .5rem;
  font-size: 1rem;
  color: var(--verde);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.nota{
  margin: .2rem 0 .6rem;
  font-size: .85rem;
  color: var(--gris);
}
.resultado{
  margin: .4rem 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--verde-oscuro);
}

/* ---------- Formularios ---------- */
label{
  display: block;
  margin-bottom: .7rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gris);
}
input, textarea{
  display: block;
  width: 100%;
  margin-top: .25rem;
  padding: .6rem .7rem;
  font: inherit;
  color: var(--tinta);
  background: #fff;
  border: 1.5px solid var(--linea);
  border-radius: 8px;
}
input:focus, textarea:focus{
  outline: 2px solid var(--verde);
  outline-offset: 1px;
  border-color: var(--verde);
}
textarea{ resize: vertical; min-height: 7rem; }
.fila-form{
  display: flex;
  gap: .7rem;
}
.fila-form label{ flex: 1; }

/* ---------- Botones ---------- */
.btn{
  display: block;
  width: 100%;
  padding: .8rem 1rem;
  margin-top: .6rem;
  font: inherit;
  font-weight: 700;
  color: var(--verde-oscuro);
  background: var(--verde-claro);
  border: 1.5px solid var(--verde);
  border-radius: 10px;
  cursor: pointer;
}
.btn.primario{
  color: #fff;
  background: var(--verde);
}
.btn.peligro{
  color: var(--rojo);
  background: #fbeae9;
  border-color: var(--rojo);
}
.btn:active{ transform: translateY(1px); }
.acciones .btn{ margin-top: .6rem; }

.opcion-check{
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: .8rem 0 .2rem;
  font-size: .95rem;
  color: var(--tinta);
}
.opcion-check input{
  width: 1.4rem;
  height: 1.4rem;
  margin: 0;
  accent-color: var(--verde);
}

/* ---------- Altos de ruma ---------- */
.fila-alto{
  display: flex;
  gap: .5rem;
  margin-top: .25rem;
}
.fila-alto input{
  flex: 1;
  margin-top: 0;
}
.btn-alto{
  width: 3.6rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  background: var(--verde);
  border: 1.5px solid var(--verde);
  border-radius: 8px;
  cursor: pointer;
}
.btn-quitar-alto{
  margin-left: .5rem;
  padding: .25rem .6rem;
  font: inherit;
  font-size: .78rem;
  font-weight: 700;
  color: var(--rojo);
  background: none;
  border: 1px solid var(--rojo);
  border-radius: 6px;
  cursor: pointer;
}

/* ---------- Calculadora rápida ---------- */
.calc-rapida summary{
  font-weight: 700;
  color: var(--verde);
  cursor: pointer;
  padding: .2rem 0;
}
.calc-rapida[open] summary{ margin-bottom: .6rem; }

.etiqueta-chips{
  margin: .5rem 0 .3rem;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gris);
}

.tabla tr.cancha td{
  font-weight: 700;
  color: var(--verde-oscuro);
  background: var(--verde-claro);
}

/* ---------- Chips de largo ---------- */
.chips{
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .7rem;
}
.chips button{
  padding: .5rem .8rem;
  font: inherit;
  font-weight: 700;
  color: var(--verde-oscuro);
  background: var(--verde-claro);
  border: 1.5px solid var(--linea);
  border-radius: 999px;
  cursor: pointer;
}
.chips button.activa{
  color: #fff;
  background: var(--verde);
  border-color: var(--verde);
}
.chips button small{
  display: block;
  font-weight: 400;
  font-size: .7rem;
  opacity: .85;
}

/* ---------- Grid de conteo ---------- */
.encabezado-grid, .fila-diam{
  display: grid;
  grid-template-columns: 3.4rem 2.9rem 1fr 3.4rem 4.6rem;
  gap: .35rem;
  align-items: center;
}
.encabezado-grid{
  font-size: .72rem;
  font-weight: 700;
  color: var(--gris);
  text-transform: uppercase;
  padding: 0 .2rem .3rem;
}
.encabezado-grid span:nth-child(3){ text-align: center; }
.encabezado-grid span:nth-child(5){ text-align: right; }

.fila-diam{
  padding: .22rem .2rem;
  border-top: 1px solid var(--linea);
}
.fila-diam.con-trozos{ background: var(--verde-claro); }
.fila-diam .diam{
  font-weight: 700;
  font-size: 1.02rem;
}
.fila-diam .cuenta{
  width: 100%;
  height: 2.7rem;
  margin: 0;
  padding: 0 .15rem;
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  border: 1.5px solid var(--linea);
  border-radius: 8px;
  -moz-appearance: textfield;
  appearance: textfield;
}
.fila-diam .cuenta::-webkit-outer-spin-button,
.fila-diam .cuenta::-webkit-inner-spin-button{
  -webkit-appearance: none;
  margin: 0;
}
.fila-diam .m3{
  text-align: right;
  font-size: .85rem;
  color: var(--gris);
  font-variant-numeric: tabular-nums;
}
.fila-diam button{
  height: 2.7rem;
  font-size: 1.4rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  border: 1.5px solid var(--linea);
  background: #fff;
  color: var(--gris);
}
.fila-diam button.mas{
  border-color: var(--verde);
  background: var(--verde);
  color: #fff;
}

/* ---------- Tablas ---------- */
.tabla{
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
.tabla th, .tabla td{
  padding: .35rem .3rem;
  text-align: right;
  border-bottom: 1px solid var(--linea);
  font-size: .92rem;
}
.tabla th{
  font-size: .75rem;
  text-transform: uppercase;
  color: var(--gris);
}
.tabla th:first-child, .tabla td:first-child{ text-align: left; }
.tabla tr.total td{
  font-weight: 700;
  color: var(--verde-oscuro);
  border-top: 2px solid var(--verde);
  border-bottom: 0;
}
.tabla .btn-mini{
  padding: .3rem .6rem;
  font: inherit;
  font-size: .8rem;
  font-weight: 700;
  color: var(--rojo);
  background: none;
  border: 1px solid var(--rojo);
  border-radius: 6px;
  cursor: pointer;
}

/* ---------- Historial ---------- */
.item-historial{
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: 12px;
  padding: .9rem;
  margin-bottom: .9rem;
}
.item-historial h3{
  margin: 0 0 .2rem;
  font-size: 1rem;
  color: var(--verde-oscuro);
}
.item-historial .meta{
  font-size: .82rem;
  color: var(--gris);
  margin: 0 0 .4rem;
}
.item-historial .cifras{
  font-size: .95rem;
  margin: 0 0 .4rem;
  font-weight: 600;
}
.item-historial .novedades{
  font-size: .88rem;
  background: var(--fondo);
  border-radius: 8px;
  padding: .5rem .6rem;
  margin: 0 0 .5rem;
  white-space: pre-wrap;
}
.item-historial .botones{
  display: flex;
  gap: .5rem;
}
.item-historial .botones .btn{
  margin-top: 0;
  padding: .55rem .5rem;
  font-size: .85rem;
}

.vacio{
  text-align: center;
  color: var(--gris);
  padding: 1.5rem 0;
}

@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; }
}