:root {
	--bg: #0f1115;
	--bg-alt: #1b1f27;
	--border: #2a313d;
	--text: #f5f7fa;
	--text-dim: #9da8b7;
	--accent: #6366f1;
	--accent-glow: 187 100% 70%;
	--danger: #ef4444;
	--radius: 14px;
	--grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 45%, #ec4899 100%);
	font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
		Noto Sans, sans-serif;
}
[data-theme='light'] {
	--bg: #f5f7fb;
	--bg-alt: #ffffff;
	--border: #dbe2ea;
	--text: #1c2127;
	--text-dim: #5a6877;
	--accent: #4f46e5;
	--danger: #dc2626;
	--grad: linear-gradient(135deg, #4f46e5 0%, #6366f1 40%, #14b8a6 100%);
}
* {
	box-sizing: border-box;
}
body {
	margin: 0;
	background: radial-gradient(circle at 20% 20%, #1e2530, transparent 60%)
		var(--bg);
	color: var(--text);
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
}
h1 {
	font-size: clamp(1.9rem, 4vw, 2.6rem);
	line-height: 1.1;
	margin: 0 0 0.75rem;
	background: var(--grad);
	-webkit-background-clip: text;
	color: transparent;
	letter-spacing: 0.5px;
}
header {
	padding: 2.2rem clamp(1rem, 4vw, 3rem) 1rem;
}
header p {
	margin: 0;
	font-size: 0.95rem;
	color: var(--text-dim);
	max-width: 680px;
}
main {
	padding: 0 clamp(1rem, 4vw, 3rem) 3rem;
	flex: 1;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
	gap: 2.2rem;
	align-items: start;
}
footer {
	padding: 1rem 1.5rem;
	font-size: 0.75rem;
	color: var(--text-dim);
	text-align: center;
}
.panel {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	padding: 1.25rem 1.4rem 1.6rem;
	border-radius: var(--radius);
	position: relative;
	overflow: hidden;
	backdrop-filter: blur(6px);
}
.panel::before {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		130deg,
		rgba(255, 255, 255, 0.04),
		transparent 60%
	);
	pointer-events: none;
}
.panel h2 {
	margin: 0 0 1rem;
	font-size: 1.1rem;
	letter-spacing: 0.5px;
	font-weight: 600;
	display: flex;
	gap: 0.5rem;
	align-items: center;
}
/* Upload area */
.drop {
	border: 2px dashed var(--border);
	border-radius: calc(var(--radius) - 4px);
	padding: 1.75rem 1.25rem;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	align-items: center;
	text-align: center;
	transition: 0.25s border, 0.25s background;
	position: relative;
}
.drop.dragover {
	border-color: var(--accent);
	background: rgba(99, 102, 241, 0.06);
}
.drop input {
	display: none;
}
.drop button.select-btn {
	background: var(--accent);
	color: #fff;
	border: none;
	padding: 0.75rem 1.1rem;
	font-size: 0.9rem;
	font-weight: 600;
	border-radius: 9px;
	cursor: pointer;
	display: inline-flex;
	gap: 0.5rem;
	align-items: center;
	box-shadow: 0 4px 18px -4px #6366f188;
	transition: 0.25s transform, 0.3s box-shadow;
}
.drop button.select-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 22px -6px #6366f1bb;
}
.drop small {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 1px;
	opacity: 0.65;
}
.preview {
	width: 100%;
	aspect-ratio: 4/3;
	background: #0d1015;
	border: 1px solid var(--border);
	border-radius: 12px;
	display: grid;
	place-items: center;
	position: relative;
	overflow: hidden;
}
.preview img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	transition: 0.4s transform;
	image-rendering: crisp-edges;
}
.preview .placeholder {
	font-size: 0.8rem;
	color: var(--text-dim);
	padding: 0 1rem;
	text-align: center;
}
.zoom-wrap {
	display: flex;
	gap: 0.7rem;
	align-items: center;
	font-size: 0.75rem;
	color: var(--text-dim);
	margin-top: 0.75rem;
}
.zoom-wrap input {
	width: 100%;
}
/* Actions */
.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin-top: 1rem;
}
.btn {
	--btn-bg: var(--bg-alt);
	--btn-border: var(--border);
	background: var(--btn-bg);
	color: var(--text);
	border: 1px solid var(--btn-border);
	padding: 0.6rem 0.85rem;
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.5px;
	border-radius: 8px;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	position: relative;
	overflow: hidden;
	transition: 0.25s background, 0.25s border, 0.25s color;
}
.btn.accent {
	--btn-bg: var(--accent);
	--btn-border: var(--accent);
	color: #fff;
}
.btn.outline:hover {
	border-color: var(--accent);
	color: var(--accent);
}
.btn.accent:hover {
	filter: brightness(1.08);
}
.btn.danger {
	--btn-bg: var(--danger);
	--btn-border: var(--danger);
	color: #fff;
}
.btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}
.btn.glow {
	box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
	animation: pulse 2.5s infinite;
}
@keyframes pulse {
	0% {
		box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.35);
	}
	70% {
		box-shadow: 0 0 0 14px rgba(99, 102, 241, 0);
	}
	100% {
		box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
	}
}
/* Progress */
.progress {
	background: #12171e;
	border: 1px solid var(--border);
	border-radius: 10px;
	height: 14px;
	width: 100%;
	position: relative;
	overflow: hidden;
	margin-top: 1rem;
}
.progress span {
	position: absolute;
	inset: 0;
	background: var(--grad);
	width: 0%;
	transition: width 0.25s ease;
	display: block;
}
.progress-label {
	font-size: 0.7rem;
	letter-spacing: 0.5px;
	margin-top: 0.35rem;
	color: var(--text-dim);
	display: flex;
	justify-content: space-between;
	align-items: center;
}
/* Output */
.output-wrap {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}
.output {
	min-height: 220px;
	background: #0d1218;
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 1rem 0.9rem 1.3rem;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
		'Liberation Mono', monospace;
	font-size: 0.8rem;
	line-height: 1.45;
	white-space: pre-wrap;
	overflow: auto;
	position: relative;
}
.output:empty::before {
	content: 'OCR output will appear here…';
	color: var(--text-dim);
}
.badge {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid var(--border);
	padding: 0.35rem 0.55rem;
	border-radius: 20px;
	font-size: 0.6rem;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	color: var(--text-dim);
	display: inline-flex;
	gap: 0.3rem;
	align-items: center;
}
.lang-select {
	background: var(--bg-alt);
	color: var(--text);
	border: 1px solid var(--border);
	padding: 0.45rem 0.6rem;
	border-radius: 8px;
	font-size: 0.75rem;
}
.lang-box {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
	min-width: 210px;
}
.lang-box input {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	color: var(--text);
	padding: 0.45rem 0.6rem;
	border-radius: 8px;
	font-size: 0.7rem;
}
.lang-select[multiple] {
	height: 130px;
	min-width: 210px;
}
.lang-select option {
	font-size: 0.65rem;
	padding: 0.15rem 0.35rem;
}
.lang-helpers {
	display: flex;
	gap: 0.4rem;
}
/* History */
.history {
	display: grid;
	gap: 0.9rem;
	max-height: 420px;
	overflow: auto;
	padding-right: 0.5rem;
}
.hist-item {
	display: grid;
	grid-template-columns: 80px 1fr;
	gap: 0.8rem;
	background: #12171f;
	border: 1px solid var(--border);
	padding: 0.55rem 0.65rem 0.65rem;
	border-radius: 12px;
	position: relative;
}
.hist-item img {
	width: 80px;
	height: 74px;
	object-fit: cover;
	border-radius: 8px;
	border: 1px solid var(--border);
}
.hist-item small {
	font-size: 0.55rem;
	letter-spacing: 0.5px;
	color: var(--text-dim);
	display: block;
	margin-bottom: 0.25rem;
}
.hist-item pre {
	margin: 0;
	max-height: 60px;
	overflow: hidden;
	font-family: inherit;
	font-size: 0.6rem;
	line-height: 1.2;
	white-space: pre-wrap;
}
.hist-actions {
	position: absolute;
	top: 6px;
	right: 6px;
	display: flex;
	gap: 0.35rem;
}
.chip {
	background: var(--accent);
	color: #fff;
	font-size: 0.55rem;
	padding: 0.25rem 0.5rem;
	border-radius: 20px;
	letter-spacing: 0.5px;
}
.empty-hist {
	font-size: 0.65rem;
	color: var(--text-dim);
	text-align: center;
	padding: 1.2rem 0.5rem;
	border: 1px dashed var(--border);
	border-radius: 10px;
}
/* Utility */
.flex {
	display: flex;
	gap: 0.65rem;
	flex-wrap: wrap;
	align-items: center;
}
.grow {
	flex: 1;
}
.right {
	margin-left: auto;
}
.hidden {
	display: none !important;
}
.theme-toggle {
	position: fixed;
	top: 14px;
	right: 16px;
	z-index: 50;
}
.theme-toggle button {
	background: #12171f;
	border: 1px solid var(--border);
	color: var(--text-dim);
	font-size: 0.7rem;
	padding: 0.5rem 0.85rem;
	border-radius: 30px;
	cursor: pointer;
	letter-spacing: 0.5px;
	display: flex;
	gap: 0.4rem;
	align-items: center;
}
.theme-toggle button:hover {
	color: var(--text);
}
::selection {
	background: #6366f1;
	color: #fff;
}
@media (max-width: 800px) {
	main {
		grid-template-columns: 1fr;
	}
	.hist-item {
		grid-template-columns: 60px 1fr;
	}
	.hist-item img {
		width: 60px;
		height: 60px;
	}
}