body {
	font-family: 'Arial', sans-serif;
	max-width: 900px;
	margin: 20px auto;
	padding: 20px;
	background-color: #e6f2ff;
	color: #333;
}

.header {
	text-align: center;
	margin-bottom: 20px;
	padding-bottom: 15px;
	border-bottom: 2px solid #ffc107;
}

.logo-container {
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 15px;
}

.logo {
	max-width: 300px;
	height: auto;
}

.company-name {
	font-size: 18px;
	font-weight: bold;
	color: #0a192f;
	margin-top: 5px;
}

.calculator {
	background: white;
	padding: 25px;
	border-radius: 10px;
	box-shadow: 0 0 15px rgba(100, 149, 237, 0.2);
}

.subtitle {
	font-size: 0.9em;
	color: #666;
	margin-top: -10px;
	margin-bottom: 20px;
	text-align: left;
}

/* Kontener formularz + obraz */
.form-container {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	align-items: flex-start;
}

.input-form {
	flex: 1;
	min-width: 300px;
}

.window-image {
	flex: 1;
	min-width: 300px;
	text-align: center;
}

.window-preview {
	max-width: 50%;
	height: auto;
	border-radius: 5px;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
	border: 1px solid #d0e0f0;
}

/* Grupy formularza */
.input-group {
	margin: 15px 0;
	text-align: left;
}

label {
	display: block;
	color: #345995;
	margin-bottom: 5px;
}

input,
select {
	padding: 8px;
	border: 2px solid #b0c4de;
	border-radius: 5px;
	width: 100%;
	max-width: 300px;
	background-color: #f8fbff;
}

/* Przycisk */
button {
	background: #0a192f;
	color: #ffc107;
	padding: 15px 37px;
	border: none;
	border-radius: 5px;
	cursor: pointer;
	margin-top: 10px;
	transition: all 0.3s ease;
	font-weight: bold;
	font-size: 1.1em;
	text-transform: uppercase;
}

button:hover {
	background: #ffc107;
	color: #0a192f;
}

.result {
	margin-top: 20px;
	padding: 15px;
	background-color: #f0f8ff;
	border-radius: 5px;
	border: 1px solid #d0e0f0;
}

.package-result {
	margin: 10px 0;
	padding: 15px;
	border-left: 4px solid #6a9ad0;
	background-color: #f8fbff;
}

.calculation-details {
	color: #666;
	font-size: 0.9em;
	margin: 10px 0;
}

.u-value {
	color: #6a9ad0;
	font-weight: bold;
}

.package-code {
	color: #0a192f;
	font-weight: normal;
}

.sum-value {
	color: #0a192f;
}

.package-divider {
	border: none;
	height: 2px;
	background-color: #ffc107;
	margin: 15px 0;
}

.conversion-formula {
	font-style: italic;
	color: #666;
	margin: 5px 0;
	font-size: 0.9em;
}

.legal-disclaimer {
	margin-top: 30px;
	padding: 15px;
	background-color: #f8f8f8;
	border-radius: 5px;
	font-size: 0.85em;
	color: #555;
	text-align: justify;
}

h2,
h3 {
	color: #345995;
}

#steel-input {
	display: none;
}