:root {
  --green: #a0f090;
  --ocean: #12476c;
  --blue: #2371a5;
}

#hidden {
  display: none;
}

html, body {
  margin: 0;
  padding: 0;
  color: white;
  font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h2 {
  margin: 15px 0;
}
h3 {
  margin: 5px 0;
  color: #708da0;
}
h4 {
  margin: 5px;
  font-weight: normal;
}

header {
  box-shadow: 0 0 5px #12476c;
  background: linear-gradient(to bottom left, var(--ocean), var(--blue));
  margin: 0;
  top: 0;
  position: sticky;
  padding: 20px;
  text-align: center;
  z-index: 100000;
}
header h1 {
  margin: 0;
}

main {
  flex: 1;
  background: linear-gradient(to bottom, #303030, #1c1c1c);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 90vw;
  padding: 5vh 5vw;
  gap: 20px;
}

input {
  background-color: #f0f0f040;
  color: white;
  border: 1px solid #859dad;
  padding: 5px;
  border-radius: 5px;
  flex: 1;
}

.form-input {
  border: 1px dotted #3e8abd;
  background-color: #2a5069;
  color: white;
}

article {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

legend {
  display: flex;
  flex-direction: column;
  border: 1px solid #859dad;
  background-color: #596b77;
  border-radius: 5px;
  padding: 10px;
}
.column {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  border-radius: 15px;
  background-color: #2371a520;
  border: 1px dotted #2371a5;
  padding: 10px 20px;
  flex: 1;
}
.column label {
  display: block;
}
.column input[type="text"] {
  margin: 5px 10px 5px 30px;
}
.color {
  border-radius: 100%;
  min-width: 15px;
  min-height: 15px;
  width: 15px;
  height: 15px;
  max-width: 15px;
  max-height: 15px;
  border-width: 1px;
  border-style: solid;
}
section {
  width: 90vw;
  display: flex;
  gap: 20px;
  align-items: stretch;
  justify-content: space-between;
  flex-wrap: wrap;
}

.container {
  display: flex;
  gap: 20px;
  align-items: stretch;
  justify-content: space-between;
}

footer {
  padding: 1px;
  text-align: center;
  background: linear-gradient(to bottom right,#4d544c, #343e33);
}
select {
  background-color: #596b77;
  color: white;
  border: 1px solid #859dad;
  border-radius: 5px;
  padding: 5px;
}

.box {
  border: 2px solid #859dad;
  height: 70vh;
  border-radius: 15px;
  box-shadow: 0 0 10px #12476c;
  flex: 1;
}
form {
  background-color: #112c3e;
  border-radius: 25px;
  margin: 20px 0;
  padding: 20px;
  border: 1px dotted #12476c;
  gap: 20px;
}

form {
  display: flex;
  flex-direction: column;
}

.pair {
  display: flex;
  align-items: center;
  text-align: left;
  gap: 10px;
}

button {
  padding: 10px 15px;
  color: white;
  background-color: #12476c;
  border: 1px solid #2371a5;
  transition: 0.3s ease;
  border-radius: 10px;
}

button:hover {
  background-color: #2371a5;
}

button:active {
  transform: scale(0.9);
}

.break {
  min-height: 15px;
}