:root {
  --tomate: #C1442D;
  --tomate-oscuro: #9A3623;
  --aguacate: #5B7942;
  --aguacate-suave: #E9EFE3;
  --dorado: #E8A93B;
  --dorado-suave: #FCF0DA;
  --crema: #FFF8EE;
  --blanco: #FFFFFF;
  --texto: #3A2E22;
  --gris-texto: #756858;
  --error: #B23B3B;
  --error-fondo: #FBEAEA;
  --sombra: rgba(193, 68, 45, 0.14);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
}

body {
  min-height: 100vh;
  background: var(--crema);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(232,169,59,0.12) 0, transparent 45%),
    radial-gradient(circle at 88% 92%, rgba(91,121,66,0.10) 0, transparent 45%);
}

.contenedor {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.tarjeta {
  width: 100%;
  max-width: 400px;
  background: var(--blanco);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 10px 28px var(--sombra);
  animation: entrada-tarjeta 0.4s ease-out;
}

@keyframes entrada-tarjeta {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.tarjeta__encabezado {
  background: linear-gradient(155deg, var(--tomate) 0%, var(--tomate-oscuro) 140%);
  color: var(--blanco);
  padding: 30px 24px 26px;
  text-align: center;
}

.tarjeta__encabezado--compacto {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.marca { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.marca--fila { flex-direction: row; align-items: center; gap: 10px; }
.marca__icono { font-size: 30px; line-height: 1; }
.marca--fila .marca__icono { font-size: 22px; }
.marca__texto { font-size: 19px; font-weight: 800; line-height: 1.25; }
.marca__texto--chico { font-size: 15px; line-height: 1.3; }

.enlace-salir {
  font-size: 13px; font-weight: 700; color: var(--blanco); text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.5); border-radius: 999px; padding: 6px 14px; white-space: nowrap;
}

.tarjeta__cuerpo { padding: 24px 24px 26px; background: var(--blanco); }
.tarjeta__pie { padding: 16px 24px 22px; text-align: center; font-size: 13px; color: var(--gris-texto); background: var(--blanco); }

.subrayado { text-align: center; font-size: 14px; color: var(--gris-texto); margin: 0 0 22px; line-height: 1.5; }

.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: 13px; font-weight: 700; color: var(--texto); margin-bottom: 6px; }
.campo input {
  width: 100%; padding: 13px 14px; font-size: 16px; border: 2px solid #EFE4D4;
  border-radius: 12px; background: var(--crema); color: var(--texto); font-family: inherit;
}
.campo input:focus { outline: none; border-color: var(--tomate); }
.campo__ayuda { font-size: 12px; color: var(--gris-texto); margin: 6px 0 0; }

.boton {
  display: block; width: 100%; padding: 14px; font-size: 16px; font-weight: 800;
  color: var(--blanco); background: var(--tomate); border: none; border-radius: 14px;
  text-align: center; cursor: pointer; box-shadow: 0 4px 0 var(--tomate-oscuro);
  transition: transform 0.08s ease;
}
.boton:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--tomate-oscuro); }
.boton:disabled { opacity: 0.85; cursor: default; }

.mensaje { padding: 12px 14px; border-radius: 12px; font-size: 14px; line-height: 1.4; }
.mensaje--incorrecto { background: var(--error-fondo); color: var(--error); border: 1.5px solid #E9C7C7; }

.spinner {
  display: inline-block; width: 15px; height: 15px; margin-right: 8px; vertical-align: middle;
  border: 2.5px solid rgba(255, 255, 255, 0.4); border-top-color: var(--blanco); border-radius: 50%;
  animation: girar-spinner 0.7s linear infinite;
}
@keyframes girar-spinner { to { transform: rotate(360deg); } }
.ayuda-validando { text-align: center; font-size: 12px; color: var(--gris-texto); margin: 10px 0 0; }

.enlaces-secundarios { text-align: center; margin-top: 18px; font-size: 13px; }
.enlaces-secundarios a { color: var(--tomate); text-decoration: none; font-weight: 700; }

.demo-tag {
  display: inline-block; margin-bottom: 14px; background: var(--dorado); color: var(--texto);
  font-weight: 700; font-size: 11px; padding: 4px 10px; border-radius: 999px;
}

/* ── Receta del día ───────────────────────────────────────────────────── */
.categoria-chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--aguacate-suave);
  color: var(--aguacate); font-weight: 800; font-size: 12.5px; padding: 6px 14px;
  border-radius: 999px; margin-bottom: 14px;
}
.categoria-chip--chico { font-size: 11px; padding: 4px 10px; margin-bottom: 8px; }

.receta-titulo {
  font-size: 22px; font-weight: 800; line-height: 1.3; color: var(--texto); margin: 0 0 14px;
}

.receta-datos { display: flex; gap: 8px; margin-bottom: 20px; }
.dato-pill {
  background: var(--crema); border: 1.5px solid #EFE4D4; color: var(--texto);
  font-weight: 700; font-size: 13px; padding: 6px 13px; border-radius: 999px;
}
.dato-pill--costo { background: var(--dorado-suave); border-color: #F0DBAA; }

.receta-subtitulo {
  font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--aguacate); margin: 20px 0 10px;
}

.lista-ingredientes { margin: 0; padding-left: 20px; }
.lista-ingredientes li { font-size: 14.5px; line-height: 1.7; color: var(--texto); }

.lista-pasos { margin: 0; padding-left: 20px; }
.lista-pasos li { font-size: 14.5px; line-height: 1.65; color: var(--texto); margin-bottom: 8px; }

.tip-caja {
  background: var(--dorado-suave); border-radius: 12px; padding: 12px 14px;
  font-size: 13.5px; line-height: 1.5; color: var(--texto); margin: 18px 0 4px;
}

.acciones-fila { display: flex; gap: 10px; margin-top: 20px; }
.boton-accion {
  flex: 1; padding: 12px; font-size: 14px; font-weight: 700; font-family: inherit;
  color: var(--texto); background: var(--crema); border: 2px solid #EFE4D4; border-radius: 12px; cursor: pointer;
}
.boton-accion--activo { background: var(--dorado-suave); border-color: var(--dorado); color: var(--tomate-oscuro); }

/* ── Historial ────────────────────────────────────────────────────────── */
.seccion-titulo { font-size: 15px; font-weight: 800; color: var(--texto); margin: 0 0 12px; }
.texto-vacio { font-size: 13.5px; color: var(--gris-texto); line-height: 1.5; }
.lista-recetas { display: flex; flex-direction: column; gap: 10px; }
.item-receta {
  display: block; position: relative; background: var(--crema); border-radius: 14px;
  padding: 14px 44px 14px 16px; text-decoration: none; color: inherit;
  border: 1.5px solid transparent; transition: transform 0.08s ease, border-color 0.15s ease;
}
.item-receta:active { transform: scale(0.98); }
.item-receta:hover { border-color: #EFE4D4; }
.item-receta--favorito { background: var(--dorado-suave); }
.item-receta--favorito:hover { border-color: #F0DBAA; }
.item-receta__titulo { font-size: 14.5px; font-weight: 700; color: var(--texto); margin: 0 0 4px; }
.item-receta__datos { font-size: 12.5px; color: var(--gris-texto); margin: 0; }
.item-receta__flecha {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  color: var(--gris-texto); font-size: 16px; font-weight: 700;
}

.ver-mas {
  display: block; text-align: center; margin-top: 12px; font-size: 13px; font-weight: 700;
  color: var(--tomate); text-decoration: none; padding: 8px; border-radius: 10px;
}
.ver-mas:hover { background: var(--crema); }

.filtro-categorias {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 12px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.filtro-categorias::-webkit-scrollbar { display: none; }
.filtro-chip {
  flex: 0 0 auto; font-size: 12px; font-weight: 700; color: var(--gris-texto);
  background: var(--crema); border: 1.5px solid #EFE4D4; border-radius: 999px;
  padding: 7px 13px; text-decoration: none; white-space: nowrap;
}
.filtro-chip--activo { background: var(--tomate); border-color: var(--tomate); color: var(--blanco); }

.paginacion {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px; font-size: 12.5px;
}
.paginacion__boton { color: var(--tomate); text-decoration: none; font-weight: 700; }
.paginacion__estado { color: var(--gris-texto); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .spinner { border-top-color: rgba(255, 255, 255, 0.4); }
}