body {
  margin: 0;
  font-family: sans-serif;
}

#app {
  min-height: 100vh;
  padding: 2rem;
  color: var(--text, #ffffff);
  background-color: var(--bg, #2a2a30);
}

.container {
  max-width: 600px;
  margin: 0 auto;
  background: #1e1e23;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--accent, #b4ff0c);
}

p {
  color: #9a9b9c;
  margin-bottom: 1.5rem;
  text-align: center;
}

label {
  display: block;
  margin: 1rem 0 0.5rem;
  text-align: left;
}

input[type="date"],
input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  border-radius: 0.5rem;
  border: 1px solid #ccc;
}

button {
  background-color: var(--accent, #b4ff0c);
  border: none;
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  color: black;
  border-radius: 0.5rem;
  cursor: pointer;
  margin-right: 1rem;
  margin-top: 1rem;
}

button:hover {
  opacity: 0.9;
}

.result {
  margin-top: 2rem;
  line-height: 1.6;
}