/* ------------------------------
   RESET Y TIPOGRAFÍA BASE
-------------------------------*/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #121212;
  color: #ddd;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ------------------------------
   HEADER
-------------------------------*/
header {
  background-color: #1f1f1f;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  border-bottom: 1px solid #333;
  position: relative;
  z-index: 1001;
}

header button {
  background-color: #333;
  border: none;
  color: #ddd;
  padding: 8px 14px;
  border-radius: 4px;
  margin-left: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-weight: 600;
}

header button:hover {
  background-color: #4caf50;
}

/* ------------------------------
   PERFIL DE USUARIO
-------------------------------*/
.infoperfil, .perfil-usuario {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 20px 15px;
}

.fotoperfil {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #4caf50;
  cursor: pointer;
  flex-shrink: 0;
}

.nombreusuario, .titulo {
  font-size: 1.8rem;
  color: #4caf50;
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
}

.subtitulo {
  color: #4caf50;
  font-size: 1.2rem;
  margin-bottom: 15px;
  text-align: center;
}

/* ------------------------------
   MAIN
-------------------------------*/
main {
  flex-grow: 1;
  padding: 20px;
  max-width: 960px;
  margin: 0 auto 40px auto;
  width: 100%;
}

/* ------------------------------
   FORMULARIOS
-------------------------------*/
.formulario-cambio,
form#cambiodefoto,
form#cambiodecontraseña {
  background-color: #1f1f1f;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 30px;
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.3);
}

input[type="password"],
input[type="file"],
input[type="text"],
input[type="number"],
input[type="search"],
select {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  background-color: #2c2c2c;
  color: #ddd;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus,
select:focus {
  background-color: #4caf50;
  color: #121212;
  outline: none;
}

#mensajecambiodefoto,
#mensajecambiodecontraseña {
  margin-top: 10px;
  font-size: 14px;
  color: #f44336;
}

/* ------------------------------
   BOTONES GENERALES
-------------------------------*/
button {
  background-color: #4caf50;
  border: none;
  color: #121212;
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-right: 10px;
  margin-top: 5px;
}

button:hover {
  background-color: #43a047;
}

button[type="reset"] {
  background-color: #f44336;
  color: #fff;
}

button[type="reset"]:hover {
  background-color: #d32f2f;
}

/* ------------------------------
   TARJETAS DE PELÍCULAS
-------------------------------*/
#peliculas {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(260px,1fr));
  gap: 20px;
  margin-top: 10px;
}

.tarjeta {
  background-color: #1f1f1f;
  padding: 15px 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.3);
  color: #ddd;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tarjeta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px #4caf50;
}

.tarjeta h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #4caf50;
}

.tarjeta p {
  margin: 6px 0;
  font-size: 0.95rem;
}

.tarjeta img {
  max-width: 150px;
  border-radius: 6px;
  margin-top: 10px;
  display: block;
}

/* ------------------------------
   RESPONSIVE
-------------------------------*/
@media (max-width: 768px) {
  main {
    padding: 15px 10px;
  }

  .infoperfil,
  .perfil-usuario {
    flex-direction: column;
    align-items: flex-start;
  }

  .fotoperfil {
    width: 40px;
    height: 40px;
  }

  .nombreusuario {
    font-size: 1.4rem;
  }

  #peliculas {
    grid-template-columns: 1fr;
  }

  .tarjeta {
    padding: 12px 15px;
  }

  button {
    width: 100%;
    margin-right: 0;
  }
}

@media (max-width: 400px) {
  header {
    justify-content: center;
  }

  header button {
    margin: 5px 5px 0 0;
    padding: 8px 10px;
    font-size: 14px;
  }
}