body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	background: #f4f6fb;
	margin: 0;
	padding: 5% 15%;
	min-height: 100vh;
}

h1, h2 {
	text-align: center;
	color: #2d3a4b;
}

form, .form-section {
	max-width: 400px;
	margin: 30px auto 10px auto;
	background: #fff;
	padding: 24px 32px 18px 32px;
	border-radius: 10px;
	box-shadow: 0 2px 8px rgba(44, 62, 80, 0.08);
}

label {
	font-weight: 500;
	color: #34495e;
}

input[type="text"],
input[type="number"],
textarea {
	width: 100%;
	padding: 8px 10px;
	margin: 6px 0 16px 0;
	border: 1px solid #bfc9d1;
	border-radius: 5px;
	font-size: 1rem;
	background: #f9fafb;
	transition: border 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
	border: 1.5px solid #5b9bd5;
	outline: none;
}

button {
	background: #5b9bd5;
	color: #fff;
	border: none;
	padding: 10px 22px;
	border-radius: 5px;
	font-size: 1rem;
	cursor: pointer;
	transition: background 0.2s;
	margin-bottom: 10px;
}

button:hover {
	background: #4177b6;
}

#books {
	max-width: 600px;
	margin: 0 auto 30px auto;
}

#books h1 {
	font-size: 1.2rem;
	color: #3a4a5d;
	margin-bottom: 0.2em;
	margin-top: 1.2em;
}

#books p {
	margin: 0.2em 0 0.5em 0;
	color: #444;
	font-size: 1rem;
}

#books button {
	margin-top: 0.5em;
	margin-bottom: 1em;
	background: #f39c12;
	color: #fff;
	padding: 6px 16px;
	font-size: 0.95rem;
	border-radius: 4px;
	border: none;
	transition: background 0.2s;
}

#books button:hover {
	background: #d35400;
}

@media (max-width: 700px) {
	form, .form-section, #books {
		max-width: 95vw;
		padding: 10px;
	}
}