:root {
	--bg-color: #121212;
	--container-bg: #1E1E1E;
	--text-color: #ffffff;
	--primary-color: #2ecc71;
	--accent-color: #3a3a3a;
	--error-color: #ff4444;
	--success-color: #00C851;
	--padding-sm: 0.625em;
	--padding-md: 1em;
	--margin-sm: 0.3125em;
	--radius: 0.5em;
	--transition: all 0.3s ease;
}

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

body {
	font-family: 'Arial', sans-serif;
	background-color: var(--bg-color);
	color: var(--text-color);
	line-height: 1.6;
}

a {
	color: var(--text-color);
}

main {
	max-width: 1200px;
	margin: 0 auto;
	padding: 1rem;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
}

.request-panel, .response-panel {
	background-color: var(--container-bg);
	border-radius: var(--radius);
	padding: 1rem;
}

h1 {
	color: var(--primary-color);
	margin-top: 1rem;
}

input, select, textarea {
	width: 100%;
	padding: 0.5rem;
	margin-bottom: 0.5rem;
	background-color: var(--bg-color);
	border: 1px solid var(--accent-color);
	color: var(--text-color);
	border-radius: var(--radius);
}

button {
	background-color: transparent;
	color: var(--text-color);
	border: none;
	padding: 0.5rem 1rem;
	cursor: pointer;
	transition: opacity 0.3s;
}

button:hover {
	opacity: 0.8;
}

.btn {
	background-color: var(--primary-color);
	border-radius: var(--radius);
}

section {
	padding: 1rem 0;
}

.title {
	text-align: center;
}

.parameter-row {
	display: grid;
	grid-template-columns: 1fr 1fr auto;
	gap: 0.5rem;
	margin-bottom: 0.5rem;
	align-items: center;
}

.parameter-row input {
	margin: 0;
}

.parameter-row .remove {
	background-color: #ff4444;
	padding: 0.25rem 0.5rem;
}

#response {
	padding: 1rem;
	height: 28.7rem;
	overflow-y: auto;
	white-space: pre-wrap;
	font-family: monospace;
}

@media (max-width: 768px) {
	main {
		grid-template-columns: 1fr;
	}
}

footer {
	padding: 2rem 0;
	text-align: center;
	font-size: .8rem;
}