body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8faff;
  color: #003366;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 10px;
  border-bottom: 2px solid #003366;
}

header .logo {
  height: 40px;
  margin-right: 10px;
}

h1 {
  font-size: 1.5em;
  margin: 0;
}

main {
  padding: 15px;
}

h2 {
  font-size: 1.2em;
  margin-top: 20px;
  margin-bottom: 10px;
}

.hidden {
  display: none;
}

#nameInputs input {
  display: block;
  width: 100%;
  margin: 8px 0;
  padding: 10px;
  font-size: 1em;
}

.btn {
  display: inline-block;
  margin: 10px 5px;
  padding: 10px 15px;
  font-size: 1em;
  color: #fff;
  background: #003366;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.btn.danger {
  background: #cc0000;
}

.btn:disabled {
  background: #999;
  cursor: not-allowed;
}

.match {
  border: 1px solid #003366;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 15px;
  background: #fff;
}

.match h3 {
  margin: 0 0 10px 0;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 5px 0;
}

.row span {
  flex: 1;
}

.counter {
  display: flex;
  align-items: center;
}

.counter button {
  font-size: 1.5em;
  margin: 0 5px;
  background: #003366;
  color: #fff;
  border: none;
  border-radius: 5px;
  width: 35px;
  height: 35px;
  cursor: pointer;
}

.counter button:disabled {
  background: #999;
}

footer {
  text-align: center;
  font-size: 0.9em;
  margin: 20px 0;
}