* { box-sizing: border-box; }

html, body {
	height: 100%;
	margin: 0;
}

body {
	font-family: system-ui, -apple-system, Segoe UI, Arial, sans-serif;
	background: #f5f5f5;
	color: #222;
	display: flex;
	flex-direction: column;
	padding: 12px;
	gap: 8px;
}

.container {
	flex: 1;
	display: flex;
	flex-direction: column;
	background: #fff;
	padding: 16px;
	border-radius: 8px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
	min-height: 0;
}

h1 {
	font-size: 20px;
	text-align: center;
	margin: 0 0 12px;
}

.editor-grid {
	flex: 1;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
	margin-bottom: 12px;
	min-height: 0;
}

.pane {
	display: flex;
	flex-direction: column;
	min-height: 0;
}

.pane-label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: #555;
	margin-bottom: 6px;
}

textarea {
	flex: 1;
	width: 100%;
	padding: 12px;
	border: 1px solid #d0d0d0;
	border-radius: 6px;
	font-family: Consolas, Monaco, "Courier New", monospace;
	font-size: 13px;
	line-height: 1.5;
	resize: none;
	background: #fff;
	min-height: 0;
}

textarea:focus {
	outline: none;
	border-color: #007dff;
	box-shadow: 0 0 0 3px rgba(0, 125, 255, 0.15);
}

#output {
	background: #fafafa;
}

.toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
	padding-top: 12px;
	border-top: 1px solid #eee;
}

button {
	padding: 10px 18px;
	font-size: 15px;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	font-weight: 500;
	transition: opacity 0.15s, transform 0.05s;
}

button:hover { opacity: 0.88; }
button:active { transform: translateY(1px); }

.btn-primary { background: #28a745; color: #fff; }
.btn-secondary { background: #007dff; color: #fff; }
.btn-ghost { background: #f0f0f0; color: #333; }

.language-control {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 14px;
	color: #555;
}

.lang-select {
	min-width: 130px;
	padding: 10px 12px;
	font-size: 15px;
	border: 1px solid #d0d0d0;
	border-radius: 6px;
	background: #fff;
	color: #222;
	cursor: pointer;
}

.lang-select:focus {
	outline: none;
	border-color: #007dff;
	box-shadow: 0 0 0 3px rgba(0, 125, 255, 0.15);
}

.toolbar-options {
	display: flex;
	gap: 16px;
	margin-left: auto;
	font-size: 14px;
	color: #555;
}

.toolbar-options label {
	display: flex;
	align-items: center;
	gap: 6px;
	cursor: pointer;
	user-select: none;
}

footer {
	text-align: center;
	font-size: 12px;
	color: #666;
	padding: 4px 0;
	flex-shrink: 0;
}

footer p { margin: 0; }

footer a {
	color: #666;
	text-decoration: underline;
	font-weight: 600;
}

.simpleToastContainer {
	position: fixed;
	right: 10px;
	bottom: 10px;
	z-index: 1000;
	display: flex;
	flex-direction: column-reverse;
	width: 90%;
	max-width: 340px;
	padding: 10px;
}

.simple-toast {
	visibility: hidden;
	min-width: 100px;
	max-width: 100%;
	background-color: #292b2c;
	color: #fff;
	text-align: center;
	border-radius: 12px;
	padding: 20px;
	margin-bottom: 15px;
	font-size: 16px;
	opacity: 0;
	transform: translateY(20px);
	box-shadow: 0 5px 10px rgba(0, 0, 0, 0.4);
	transition: opacity 0.5s ease, transform 0.5s ease;
	position: relative;
	overflow: hidden;
}

.simple-toast.show {
	visibility: visible;
	opacity: 1;
	transform: translateY(0);
	background: linear-gradient(135deg, #000, #666);
}

.simple-toast-slidein:before {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 3px;
	background: linear-gradient(90deg, #000, #fff);
	animation: slidein 5s forwards var(--animation-paused, running);
}

@keyframes slidein {
	from { width: 0%; }
	to { width: 100%; }
}

@media (max-width: 768px) {
	html, body { height: auto; }
	body { padding: 8px; display: block; min-height: 100vh; }
	.container { padding: 12px; }
	h1 { font-size: 17px; margin-bottom: 10px; }

	.editor-grid {
		grid-template-columns: 1fr;
		gap: 10px;
	}

	textarea { min-height: 200px; font-size: 12px; resize: vertical; }

	.toolbar { gap: 8px; }
	.language-control { width: 100%; justify-content: space-between; }
	.lang-select { flex: 1; min-width: 0; }
	button { padding: 10px 14px; font-size: 14px; flex: 1; min-width: 90px; }
	.btn-primary { flex: 1 1 100%; }

	.toolbar-options {
		margin-left: 0;
		width: 100%;
		flex-direction: column;
		gap: 8px;
		align-items: flex-start;
		padding-top: 4px;
	}

	.simple-toast { font-size: 14px; padding: 15px; }
	.simpleToastContainer { max-width: 80vw; }
}