body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #E0F7FA;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

#container {
  display: grid;
  grid-template-columns: 60px repeat(10, 1fr);
  grid-auto-rows: minmax(30px, auto);
  border: 1px solid #607D8B;
  background-color: #FFFFFF;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: auto;
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
}

.label {
  background-color: #BBDEFB;
  font-weight: bold;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px;
  border: 1px solid #607D8B;
  color: #263238;
  position: sticky;
  z-index: 2;
  font-size: 14px;
}

/* Rótulos de coluna (primeira linha) */
.label:nth-child(n + 1):nth-child(-n + 11) {
  top: 0;
  background-color: #90CAF9;
}

/* Rótulos de linha (primeira coluna) */
.label:nth-child(11n + 1) {
  left: 0;
  background-color: #BBDEFB;
}

/* Canto superior esquerdo (interseção de rótulos) */
.label:nth-child(1) {
  z-index: 3;
  background-color: #64B5F6;
}

input[type="text"] {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid #90A4AE;
  padding: 5px;
  font-size: 14px;
  font-weight: bold;
  color: #37474F;
  background-color: #FFFFFF;
  outline: none;
}

input[type="text"]:focus {
  border-color: #2196F3;
  box-shadow: 0 0 0 1px #2196F3;
}