html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background: linear-gradient(120deg, #f8fafc 0%, #e0e7ef 100%);
  color: #222;
  overflow: auto;
}

#pageContainer {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#controlsContainer {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 16px 8px 10px 8px;
  box-sizing: border-box;
  background: #f4f7fb;
  box-shadow: 0 2px 8px rgba(60, 60, 120, 0.07);
  border-radius: 0 0 18px 18px;
  gap: 10px;
}

#controlsContainer label {
  font-weight: 600;
  color: #3a3a5a;
}

#imageContainer {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 18px 0;
  flex-direction: column;
}

.image-box {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(60, 60, 120, 0.10);
  padding: 18px 12px;
  gap: 18px;
  transition: box-shadow 0.2s;
}

.image-box:hover {
  box-shadow: 0 8px 32px rgba(60, 60, 120, 0.18);
}

.image-box img {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(60, 60, 120, 0.10);
  background: #e7eaf3;
  transition: box-shadow 0.2s;
}

.image-box p {
  margin-top: 8px;
  font-size: 22px;
  text-align: center;
}

#paginationContainer {
  margin: 0 auto;
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 10px;
  background: #f4f7fb;
  box-shadow: 0 -1px 3px rgba(60, 60, 120, 0.07);
  border-radius: 18px 18px 0 0;
  text-align: unset;
}

select, label {
  margin: 0 5px;
  font-size: 20px;
}

select {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid #bfc7d1;
  background: #fff;
  font-size: 18px;
  transition: border 0.2s;
}
select:focus {
  border: 1.5px solid #6a8cff;
  outline: none;
}

button {
  margin: 0 3px;
  padding: 7px 16px;
  font-size: 18px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(90deg, #6a8cff 0%, #4e6edb 100%);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(60, 60, 120, 0.07);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
button:disabled {
  background: #bfc7d1;
  color: #fff;
  cursor: not-allowed;
}
button:not(:disabled):hover {
  background: linear-gradient(90deg, #4e6edb 0%, #6a8cff 100%);
  box-shadow: 0 4px 16px rgba(60, 60, 120, 0.13);
}

input[type="number"] {
  width: 70px;
  margin-left: 10px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid #bfc7d1;
  font-size: 18px;
  background: #fff;
  transition: border 0.2s;
}
input[type="number"]:focus {
  border: 1.5px solid #6a8cff;
  outline: none;
}

/* Tablas y textos */
table {
  border-radius: 10px;
  overflow: hidden;
  background: #f8fafc;
  box-shadow: 0 2px 8px rgba(60, 60, 120, 0.07);
}
th, td {
  border: none;
}
h3 {
  color: #4e6edb;
  font-size: 1.3em;
  margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .image-box {
    flex-direction: column;
    gap: 10px;
    padding: 10px 2vw;
  }
  #controlsContainer {
    flex-direction: column;
    gap: 8px;
    padding: 10px 2vw 8px 2vw;
  }
}

@media (max-width: 600px) {
  #controlsContainer {
    font-size: 16px;
    padding: 8px 1vw 6px 1vw;
    gap: 6px;
  }
  .image-box {
    padding: 6px 0.5vw;
    gap: 6px;
  }
  .image-box img {
    max-height: 40vh;
  }
  #paginationContainer {
    padding: 8px 2vw;
    gap: 4px;
    font-size: 15px;
  }
  select, label, button, input[type="number"] {
    font-size: 15px;
  }
}