* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	background: linear-gradient(135deg, #1e7264, #2a9898);
	color: #fff;
	min-height: 100vh;
	padding: 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

h3 {
	margin: 20px 0;
	font-size: 1.8em;
	text-align: center;
	text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

h4 {
	margin-top: 30px;
	font-size: 1.3em;
	color: #f0f0f0;
}

form {
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
	padding: 30px;
	border-radius: 12px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
	width: 100%;
	max-width: 500px;
	margin: 20px auto;
	border: 1px solid rgba(255, 255, 255, 0.18);
}

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

input[type="number"], input[type="text"] {
	width: 100%;
	padding: 14px;
	margin-bottom: 20px;
	border: none;
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.15);
	color: white;
	font-size: 1em;
	transition: background 0.3s ease;
}

input[type="number"]:focus, input[type="text"]:focus {
	outline: none;
	background: rgba(255, 255, 255, 0.25);
}

input[type="button"] {
	background: linear-gradient(to right, #3498db, #2ecc71);
	color: white;
	padding: 14px;
	border: none;
	border-radius: 8px;
	cursor: pointer;
	font-size: 1.1em;
	font-weight: bold;
	width: 100%;
	transition: transform 0.2s, box-shadow 0.2s;
}

input[type="button"]:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

ul {
	list-style: none;
	padding: 0;
	margin-top: 20px;
}

ul li {
	margin: 10px 0;
}

a {
	color: #a3d9ff;
	text-decoration: none;
	font-size: 1.1em;
	padding: 8px 12px;
	display: inline-block;
	border-radius: 6px;
	transition: background 0.3s;
}

a:hover {
	background: rgba(255, 255, 255, 0.1);
	text-decoration: underline;
}

hr {
	width: 80%;
	border: 0;
	height: 1px;
	background: rgba(255, 255, 255, 0.2);
	margin: 30px 0;
}

input[type="text"][readonly] {
	background: rgba(0, 0, 0, 0.2);
	cursor: not-allowed;
}