* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: #111111;
}

.calculator-container {
  width: 100%;
  max-width: 450px;
  padding: 40px 20px;
  text-align: center;
}

h1 {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 40px;
}

.input-group {
  text-align: left;
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 10px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

input[type="text"] {
  width: 100%;
  padding: 15px 50px 15px 20px;
  font-size: 1.1rem;
  border: 2px solid #111111;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  background-color: #ffffff;
}

.calendar-icon {
  position: absolute;
  right: 15px;
  pointer-events: none; /* Agar klik tembus ke input di bawahnya */
}

button {
  width: 100%;
  background-color: #4b4b4b;
  color: #ffffff;
  border: none;
  padding: 15px;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-bottom: 30px;
}

button:hover {
  background-color: #333333;
}

.result {
  font-size: 1.2rem;
  font-weight: 500;
}

.result span {
  font-weight: 700;
  font-size: 1.3rem;
}

.error {
  color: #ef4444;
  font-size: 0.95rem;
  margin-top: -20px;
  margin-bottom: 20px;
}

.hide {
  display: none;
}