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

:root {
	--bg: #080c14;
	--surface: #0d1420;
	--surface-2: #0b111c;
	--surface-3: #0a111d;
	--border: rgba(255, 255, 255, 0.07);
	--border-hover: rgba(255, 255, 255, 0.14);
	--text: #e8edf5;
	--text-muted: #6b7a96;
	--text-dim: #3d4a62;
	--accent: #00c896;
	--accent-dark: #00e8ae;
	--accent-glow: rgba(0, 200, 150, 0.15);
	--accent2: #4f8ef7;
	--radius: 12px;
	--radius-sm: 7px;
	--font-display: "Syne", sans-serif;
	--font-body: "DM Sans", sans-serif;
	--font-mono: "DM Mono", monospace;
	--panel-w: 380px;
	--green: var(--accent);
	--green-dim: var(--accent-dim);
	--green-faint: var(--accent-faint);
}

html {
	scroll-behavior: smooth;
}

body {
	background:
		radial-gradient(circle at top right, rgba(0, 200, 150, 0.12), transparent 30%),
		radial-gradient(circle at 82% 85%, rgba(79, 142, 247, 0.08), transparent 24%), var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-weight: 400;
	line-height: 1.6;
	min-height: 100vh;
	overflow-x: hidden;
	position: relative;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
	background-size: 48px 48px;
}

body::after {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background-image:
		radial-gradient(circle at top right, rgba(0, 200, 150, 0.18), transparent 28%),
		radial-gradient(circle at 16% 80%, rgba(79, 142, 247, 0.14), transparent 22%);
}

.cursor-glow {
	position: fixed;
	left: 0;
	top: 0;
	width: 260px;
	height: 260px;
	pointer-events: none;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(0, 200, 150, 0.22) 0%, transparent 60%);
	filter: blur(18px);
	opacity: 0;
	transform: translate(-50%, -50%);
	transition: opacity 0.24s ease;
	mix-blend-mode: screen;
	z-index: 9999;
}

/* Noise overlay */
.noise {
	pointer-events: none;
	position: fixed;
	inset: 0;
	z-index: 999;
	opacity: 0.028;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
	background-size: 180px;
}

/* HEADER */
.header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(10, 10, 10, 0.85);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--border);
}

.header-inner {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 28px;
	height: 58px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.logo {
	display: flex;
	align-items: center;
	gap: 10px;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 17px;
	letter-spacing: -0.02em;
	color: var(--text);
}

.header-nav {
	display: flex;
	align-items: center;
	gap: 14px;
}
.header-nav a {
	text-decoration: none;
	margin-left: 15px;
}
.nav-tag {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}
.nav__logo-bracket {
	color: var(--accent);
}

.btn-header {
	background: var(--accent);
	color: #0a0a0a;
	border: none;
	border-radius: var(--radius-sm);
	padding: 7px 16px;
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 13px;
	cursor: pointer;
	transition:
		background 0.15s,
		transform 0.1s;
}
.btn-header:hover {
	background: var(--accent-dark);
	transform: translateY(-1px);
}
.btn-header:active {
	transform: scale(0.97);
}

/* LAYOUT */
.layout {
	max-width: 1280px;
	margin: 0 auto;
	padding: 36px 28px 60px;
	display: grid;
	grid-template-columns: var(--panel-w) 1fr;
	gap: 28px;
	align-items: start;
}

/* PANEL */
.panel {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 24px;
	position: sticky;
	top: 82px;
	z-index: 10;
}

/* STEPS */
.steps {
	display: flex;
	align-items: center;
	gap: 0;
	margin-bottom: 28px;
	padding-bottom: 24px;
	border-bottom: 1px solid var(--border);
}

.step {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0;
	transition: opacity 0.15s;
}

.step-num {
	font-family: var(--font-mono);
	font-size: 11px;
	font-weight: 500;
	color: var(--text-dim);
	background: var(--surface-2);
	border: 1px solid var(--border);
	width: 32px;
	height: 32px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s;
}

.step-label {
	font-size: 10px;
	font-family: var(--font-mono);
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--text-dim);
	transition: color 0.2s;
}

.step.active .step-num {
	background: var(--accent);
	border-color: var(--accent);
	color: #0a0a0a;
	font-weight: 700;
}
.step.active .step-label {
	color: var(--accent);
}

.step.done .step-num {
	background: rgba(200, 241, 53, 0.12);
	border-color: var(--accent);
	color: var(--accent);
}
.step.done .step-label {
	color: var(--text-muted);
}

.step-line {
	flex: 1;
	height: 1px;
	background: var(--border);
	margin-bottom: 16px;
	min-width: 12px;
}

/* TAB PANELS */
.tab-panel {
	display: block;
}
.tab-panel.hidden {
	display: none;
}

.section-title {
	font-family: var(--font-display);
	font-size: 18px;
	font-weight: 700;
	letter-spacing: -0.02em;
	margin-bottom: 18px;
	color: var(--text);
}

/* TYPE PICKER */
.type-picker {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 18px;
}

.type-btn {
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-muted);
	font-family: var(--font-mono);
	font-size: 12px;
	padding: 6px 12px;
	cursor: pointer;
	transition: all 0.15s;
}
.type-btn:hover {
	border-color: var(--border-hover);
	color: var(--text);
}
.type-btn.active {
	background: var(--accent-glow);
	border-color: var(--accent);
	color: var(--accent);
	font-weight: 500;
}

/* INPUT GROUPS */
.input-group {
	margin-bottom: 14px;
}
.input-group label {
	display: block;
	font-size: 11px;
	font-family: var(--font-mono);
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--text-muted);
	margin-bottom: 6px;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select {
	width: 100%;
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 14px;
	padding: 10px 14px;
	outline: none;
	transition:
		border-color 0.15s,
		box-shadow 0.15s;
	appearance: none;
	-webkit-appearance: none;
}
input:focus,
textarea:focus,
select:focus {
	border-color: rgba(200, 241, 53, 0.5);
	box-shadow: 0 0 0 3px rgba(200, 241, 53, 0.07);
}
textarea {
	resize: vertical;
	font-family: var(--font-body);
}
select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 12px center;
	padding-right: 36px;
	cursor: pointer;
}

.hidden {
	display: none !important;
}

/* SHAPE PICKER */
.field-label {
	font-size: 11px;
	font-family: var(--font-mono);
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--text-muted);
	margin-bottom: 8px;
	display: block;
}

.shape-picker {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.shape-btn {
	width: 44px;
	height: 44px;
	border-radius: var(--radius-sm);
	background: var(--surface-2);
	border: 1px solid var(--border);
	color: var(--text-muted);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.15s;
	padding: 10px;
}
.shape-btn svg {
	width: 100%;
	height: 100%;
	fill: currentColor;
}
.shape-btn:hover {
	border-color: var(--border-hover);
	color: var(--text);
}
.shape-btn.active {
	background: var(--accent-glow);
	border-color: var(--accent);
	color: var(--accent);
}

/* COLOR SECTION */
.color-row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 10px;
	margin-top: 18px;
}

.color-item label {
	display: block;
	font-size: 10px;
	font-family: var(--font-mono);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-muted);
	margin-bottom: 6px;
}

.color-swatch-wrap {
	display: flex;
	align-items: center;
	gap: 8px;
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 8px 10px;
	cursor: pointer;
	transition: border-color 0.15s;
}
.color-swatch-wrap:hover {
	border-color: var(--border-hover);
}

input[type="color"] {
	width: 22px;
	height: 22px;
	border: none;
	border-radius: 4px;
	padding: 0;
	cursor: pointer;
	background: none;
	flex-shrink: 0;
}
input[type="color"]::-webkit-color-swatch-wrapper {
	padding: 0;
	border-radius: 4px;
}
input[type="color"]::-webkit-color-swatch {
	border: none;
	border-radius: 4px;
}

.color-hex {
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--text-muted);
	text-transform: uppercase;
}

/* PRESETS */
.preset-label {
	font-size: 11px;
	font-family: var(--font-mono);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-dim);
	margin: 18px 0 8px;
}

.preset-row {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.preset-chip {
	font-size: 11px;
	font-family: var(--font-mono);
	padding: 5px 12px;
	border-radius: 99px;
	border: none;
	cursor: pointer;
	transition:
		transform 0.1s,
		opacity 0.15s;
	font-weight: 500;
}
.preset-chip:hover {
	transform: translateY(-1px);
	opacity: 0.85;
}
.preset-chip:active {
	transform: scale(0.96);
}

/* SLIDERS */
.field-row {
	margin-bottom: 16px;
}

.slider-row {
	display: flex;
	align-items: center;
	gap: 10px;
}

input[type="range"] {
	flex: 1;
	height: 4px;
	appearance: none;
	-webkit-appearance: none;
	background: var(--surface-3);
	border-radius: 99px;
	outline: none;
	cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
	-webkit-appearance: none;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--accent);
	cursor: pointer;
	border: 2px solid var(--bg);
	transition: transform 0.1s;
}
input[type="range"]::-webkit-slider-thumb:hover {
	transform: scale(1.2);
}
input[type="range"]::-moz-range-thumb {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--accent);
	cursor: pointer;
	border: 2px solid var(--bg);
}

.slider-val {
	font-family: var(--font-mono);
	font-size: 12px;
	color: var(--accent);
	min-width: 40px;
	text-align: right;
}

.select-inline {
	width: auto;
	min-width: 140px;
	display: inline-block;
	margin-top: 6px;
}

/* NEXT BUTTON */
.btn-next {
	width: 100%;
	background: transparent;
	border: 1px solid var(--border);
	color: var(--text);
	font-family: var(--font-display);
	font-size: 14px;
	font-weight: 600;
	padding: 12px 20px;
	border-radius: var(--radius-sm);
	cursor: pointer;
	margin-top: 22px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	transition: all 0.15s;
}
.btn-next:hover {
	background: var(--accent-glow);
	border-color: var(--accent);
	color: var(--accent);
}
.btn-next span {
	font-size: 16px;
}

/* UPLOAD ZONE */
.upload-zone {
	border: 1.5px dashed var(--border-hover);
	border-radius: var(--radius);
	padding: 32px 20px;
	text-align: center;
	cursor: pointer;
	transition: all 0.2s;
	background: var(--surface-2);
}
.upload-zone:hover,
.upload-zone.drag-over {
	border-color: var(--accent);
	background: var(--accent-glow);
}

.upload-icon {
	color: var(--text-dim);
	margin-bottom: 10px;
	display: flex;
	justify-content: center;
}
.upload-zone:hover .upload-icon,
.upload-zone.drag-over .upload-icon {
	color: var(--accent);
}

.upload-text {
	font-size: 14px;
	color: var(--text-muted);
	margin-bottom: 4px;
}
.upload-link {
	color: var(--accent);
	text-decoration: underline;
	cursor: pointer;
}
.upload-sub {
	font-size: 11px;
	font-family: var(--font-mono);
	color: var(--text-dim);
}

.logo-preview-row {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-top: 14px;
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 12px;
}

.logo-preview-row img {
	width: 48px;
	height: 48px;
	object-fit: contain;
	border-radius: 6px;
	background: white;
}

.logo-filename {
	font-size: 12px;
	font-family: var(--font-mono);
	color: var(--text-muted);
	margin-bottom: 6px;
	word-break: break-all;
}

.remove-btn {
	background: none;
	border: 1px solid rgba(255, 80, 80, 0.3);
	color: #ff6060;
	font-size: 11px;
	font-family: var(--font-mono);
	padding: 3px 10px;
	border-radius: 4px;
	cursor: pointer;
	transition: all 0.15s;
}
.remove-btn:hover {
	background: rgba(255, 80, 80, 0.1);
}

.tip-box {
	margin-top: 20px;
	background: rgba(200, 241, 53, 0.06);
	border: 1px solid rgba(200, 241, 53, 0.2);
	border-radius: var(--radius-sm);
	padding: 12px 14px;
	font-size: 12px;
	color: var(--text-muted);
	line-height: 1.6;
}
.tip-box strong {
	color: var(--accent);
}
.tip-box em {
	color: var(--text);
	font-style: normal;
}

/* EXPORT */
.export-options {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
}

.export-btn {
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 12px 14px;
	cursor: pointer;
	text-align: left;
	transition: all 0.15s;
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.export-btn:hover {
	border-color: var(--border-hover);
}
.export-btn.active {
	background: var(--accent-glow);
	border-color: var(--accent);
}

.fmt-badge {
	font-family: var(--font-mono);
	font-size: 13px;
	font-weight: 500;
	color: var(--text);
}
.export-btn.active .fmt-badge {
	color: var(--accent);
}
.fmt-desc {
	font-size: 10px;
	color: var(--text-dim);
	font-family: var(--font-mono);
}

.filename-row {
	display: flex;
	align-items: center;
}
.filename-row input {
	border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.filename-ext {
	background: var(--surface-3);
	border: 1px solid var(--border);
	border-left: none;
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	padding: 10px 12px;
	font-family: var(--font-mono);
	font-size: 13px;
	color: var(--text-muted);
	white-space: nowrap;
}

.btn-download {
	width: 100%;
	background: var(--accent);
	border: none;
	border-radius: var(--radius-sm);
	color: #0a0a0a;
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 700;
	padding: 13px 20px;
	cursor: pointer;
	margin-top: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: all 0.15s;
	letter-spacing: -0.01em;
}
.btn-download:hover {
	background: var(--accent-dark);
	transform: translateY(-1px);
}
.btn-download:active {
	transform: scale(0.98);
}

.share-row {
	display: flex;
	gap: 8px;
	margin-top: 10px;
}

.share-btn {
	flex: 1;
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-muted);
	font-size: 12px;
	font-family: var(--font-mono);
	padding: 9px 12px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	transition: all 0.15s;
}
.share-btn:hover {
	border-color: var(--border-hover);
	color: var(--text);
}
.share-btn.success {
	border-color: var(--accent);
	color: var(--accent);
	background: var(--accent-glow);
}

.meta-box {
	margin-top: 20px;
	background: var(--surface-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 14px;
}

.meta-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 5px 0;
	font-size: 12px;
	border-bottom: 1px solid var(--border);
}
.meta-row:last-child {
	border-bottom: none;
}
.meta-row span:first-child {
	color: var(--text-muted);
	font-family: var(--font-mono);
}
.meta-row span:last-child {
	font-family: var(--font-mono);
	color: var(--accent);
	font-size: 11px;
}

/* PREVIEW AREA */
.preview-area {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-start;
	padding-top: 16px;
	position: sticky;
	top: 82px;
	z-index: 10;
}

.preview-label {
	font-family: var(--font-mono);
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--text-dim);
	margin-bottom: 20px;
	align-self: flex-start;
}

.canvas-wrap {
	background: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
	background-size: 24px 24px;
	background-color: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	width: 100%;
	min-height: 420px;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 40px;
	position: relative;
}

.canvas-wrap::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: var(--radius);
	background: radial-gradient(ellipse at center, rgba(200, 241, 53, 0.03) 0%, transparent 65%);
	pointer-events: none;
}

#qrContainer {
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 8px;
	overflow: hidden;
	position: relative;
	z-index: 1;
	box-shadow:
		0 0 0 1px rgba(255, 255, 255, 0.05),
		0 20px 60px rgba(0, 0, 0, 0.5);
}

#qrContainer canvas,
#qrContainer svg {
	display: block;
	border-radius: 8px;
}

.scan-note {
	margin-top: 16px;
	font-size: 12px;
	font-family: var(--font-mono);
	color: var(--text-dim);
	display: flex;
	align-items: center;
	gap: 6px;
}

/* SCROLLBAR */
::-webkit-scrollbar {
	width: 5px;
}
::-webkit-scrollbar-track {
	background: transparent;
}
::-webkit-scrollbar-thumb {
	background: var(--surface-3);
	border-radius: 99px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
	:root {
		--panel-w: 100%;
	}
	.layout {
		grid-template-columns: 1fr;
		padding: 20px 16px 60px;
		gap: 20px;
	}
	.panel {
		position: static;
	}
	.preview-area {
		position: static;
	}
	.canvas-wrap {
		min-height: 300px;
	}
}

@media (max-width: 480px) {
	.header-inner {
		padding: 0 16px;
	}
	.color-row {
		grid-template-columns: 1fr 1fr;
	}
	.color-row .color-item:last-child {
		grid-column: span 2;
	}
}

/* footer */
.footer {
	background: var(--surface-2);
	border-top: 1px solid var(--border);
	padding: 20px 16px;
	text-align: center;
	z-index: 10;
}

.footer-inner {
	max-width: var(--content-width);
	margin: 0 auto;
}
.footer-inner span {
	font-size: 12px;
	color: var(--text-muted);
}
.footer-inner a {
	color: var(--accent);
	text-decoration: none;
}
.footer-inner a:hover {
	text-decoration: underline;
}
.footer__logo {
	font-family: var(--font-mono);
	font-size: 1rem;
	color: var(--text);
	margin-bottom: 0.75rem;
}
.footer__logo a {
	color: var(--text);
	text-decoration: none;
	cursor: pointer;
}
.footer__logo a:hover {
	text-decoration: underline;
}