/* assets/css/styles.css */

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f7fbfa;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background-color: #4caf50;
  color: white;
  text-align: center;
  padding: 2rem;
}

header h1 {
  font-size: 2.5rem;
  margin: 0;
}

nav {
  background-color: #e0f2f1;
  padding: 1rem;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

nav li {
  display: inline;
}

nav a {
  text-decoration: none;
  color: #00796b;
  font-weight: bold;
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.summary {
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding: 2rem;
  margin-bottom: 2rem;
}

.summary h2 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  padding: 1rem;
  border-bottom: 1px solid #ddd;
  text-align: left;
}

tr:hover {
  background-color: #f0fdf4;
}

form {
  background: #f1fff8;
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

label {
  display: block;
  margin-bottom: 1rem;
}

input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background-color: #4caf50;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  margin-right: 1rem;
  cursor: pointer;
  border-radius: 5px;
  font-size: 1rem;
}

button:hover {
  background-color: #388e3c;
}

#results {
  margin-top: 2rem;
}

footer {
  text-align: center;
  background-color: #e0f2f1;
  padding: 2rem;
  color: #666;
  font-size: 0.9rem;
}