/*
 * QR Code Generator Pro – Frontend Stylesheet
 * Design: hell, clean, minimalistisch, professionell.
 * Maximal zwei Hauptfarben (--qrcp-primary / --qrcp-secondary) + neutrale Grautöne.
 */

.qrcp-app {
	--qrcp-primary: #3452ff;
	--qrcp-secondary: #152ba9;

	--qrcp-gray-50: #f9fafb;
	--qrcp-gray-100: #f3f4f6;
	--qrcp-gray-200: #e5e7eb;
	--qrcp-gray-300: #d1d5db;
	--qrcp-gray-500: #6b7280;
	--qrcp-gray-700: #374151;
	--qrcp-gray-900: #111827;
	--qrcp-white: #ffffff;
	--qrcp-radius: 10px;
	--qrcp-radius-lg: 14px;
	--qrcp-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);

	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--qrcp-gray-900);
	margin: 0 auto;
}

.qrcp-app *,
.qrcp-app *::before,
.qrcp-app *::after {
	box-sizing: border-box;
}

/* Layout ------------------------------------------------------------- */

.qrcp-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.3fr) minmax(280px, 1fr);
	gap: 24px;
	align-items: start;
}

.qrcp-panel {
	background: var(--qrcp-white);
	border: 1px solid var(--qrcp-gray-200);
	border-radius: var(--qrcp-radius-lg);
	padding: 28px;
}

.qrcp-panel--preview {
	position: relative;
}

.qrcp-preview-sticky {
	position: sticky;
	top: 20px;
}

.qrcp-section-title {
	font-size: 14px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--qrcp-gray-500);
	margin: 0 0 16px;
}

.qrcp-divider {
	height: 1px;
	background: var(--qrcp-gray-200);
	margin: 28px 0;
	border: none;
}

/* Tabs ----------------------------------------------------------------- */

.qrcp-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 24px;
}

.qrcp-tab {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	padding: 9px 14px;
	background: var(--qrcp-gray-50);
	border: 1px solid var(--qrcp-gray-200);
	border-radius: 999px;
	color: var(--qrcp-gray-700);
	font-size: 13.5px;
	font-weight: 500;
	line-height: 1;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.qrcp-tab:hover {
	background: var(--qrcp-gray-100);
}

.qrcp-tab.is-active {
	background: var(--qrcp-primary);
	border-color: var(--qrcp-primary);
	color: var(--qrcp-white);
}

.qrcp-tab-icon {
	display: inline-flex;
	width: 18px;
	height: 18px;
}

/* Form fields ------------------------------------------------------------ */

.qrcp-tab-panel {
	display: none;
}

.qrcp-tab-panel.is-active {
	display: block;
	animation: qrcp-fade-in 0.15s ease;
}

@keyframes qrcp-fade-in {
	from { opacity: 0; transform: translateY(2px); }
	to { opacity: 1; transform: translateY(0); }
}

.qrcp-field {
	margin-bottom: 18px;
}

.qrcp-field:last-child {
	margin-bottom: 0;
}

.qrcp-field-grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-bottom: 18px;
}

.qrcp-field-grid-2 .qrcp-field {
	margin-bottom: 0;
}

.qrcp-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--qrcp-gray-700);
	margin-bottom: 6px;
}

.qrcp-field-hint {
	margin: 6px 0 0;
	font-size: 12px;
	color: var(--qrcp-gray-500);
}

.qrcp-app input[type="text"],
.qrcp-app input[type="url"],
.qrcp-app input[type="email"],
.qrcp-app input[type="tel"],
.qrcp-app input[type="number"],
.qrcp-app select,
.qrcp-app textarea {
	width: 100%;
	padding: 10px 12px;
	font-size: 14px;
	color: var(--qrcp-gray-900);
	background: var(--qrcp-white);
	border: 1px solid var(--qrcp-gray-300);
	border-radius: var(--qrcp-radius);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	font-family: inherit;
}

.qrcp-app textarea {
	resize: vertical;
	min-height: 90px;
}

.qrcp-app input:focus,
.qrcp-app select:focus,
.qrcp-app textarea:focus {
	outline: none;
	border-color: var(--qrcp-primary);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--qrcp-primary) 18%, transparent);
}

.qrcp-field--checkbox-inline {
	display: flex;
	align-items: center;
}

.qrcp-field--checkbox-inline label {
	display: flex;
	align-items: center;
	gap: 8px;
	font-weight: 500;
	margin-bottom: 0;
	cursor: pointer;
}

.qrcp-app input[type="checkbox"] {
	width: 16px;
	height: 16px;
	accent-color: var(--qrcp-primary);
}

/* Customize section ------------------------------------------------------- */

.qrcp-customize-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 18px 20px;
}

.qrcp-color-input {
	display: flex;
	align-items: center;
	gap: 10px;
	border: 1px solid var(--qrcp-gray-300);
	border-radius: var(--qrcp-radius);
	padding: 6px 10px;
}

.qrcp-color-input input[type="color"] {
	-webkit-appearance: none;
	appearance: none;
	width: 30px;
	height: 30px;
	border: none;
	border-radius: 6px;
	padding: 0;
	background: none;
	cursor: pointer;
	flex-shrink: 0;
}

.qrcp-color-input input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.qrcp-color-input input[type="color"]::-webkit-color-swatch { border: 1px solid var(--qrcp-gray-200); border-radius: 6px; }

.qrcp-color-value {
	font-size: 13px;
	color: var(--qrcp-gray-500);
	font-variant-numeric: tabular-nums;
}

.qrcp-app input[type="range"] {
	width: 100%;
	accent-color: var(--qrcp-primary);
	height: 4px;
	margin-top: 8px;
}

/* Buttons ------------------------------------------------------------------ */

.qrcp-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 18px;
	font-size: 14px;
	font-weight: 600;
	border-radius: var(--qrcp-radius);
	border: 1px solid transparent;
	cursor: pointer;
	transition: opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
	font-family: inherit;
	width: 100%;
}

.qrcp-btn--primary {
	background: var(--qrcp-primary);
	color: var(--qrcp-white);
}

.qrcp-btn--primary:hover:not(:disabled) {
	opacity: 0.9;
}

.qrcp-btn--secondary {
	background: var(--qrcp-white);
	color: var(--qrcp-secondary);
	border-color: var(--qrcp-gray-300);
}

.qrcp-btn--secondary:hover:not(:disabled) {
	background: var(--qrcp-gray-50);
}

.qrcp-btn--ghost {
	background: transparent;
	color: var(--qrcp-gray-500);
	border-color: var(--qrcp-gray-300);
	width: auto;
}

.qrcp-btn--small {
	padding: 6px 12px;
	font-size: 12.5px;
}

.qrcp-btn:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.qrcp-actions {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin-top: 20px;
}

/* Preview ------------------------------------------------------------------- */

.qrcp-preview-box {
	background: var(--qrcp-gray-50);
	border: 1px dashed var(--qrcp-gray-300);
	border-radius: var(--qrcp-radius-lg);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
	min-height: 280px;
}

.qrcp-preview-canvas-wrap {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
}

.qrcp-preview-canvas-wrap canvas {
	/* Nur die Breite wird gesetzt (per JS); die Höhe ergibt sich automatisch
	   aus dem quadratischen Seitenverhältnis des Canvas-Elements (width/height
	   Attribute). So bleibt der QR-Code bei jeder Größe unverzerrt. */
	width: auto;
	max-width: 100%;
	height: auto;
	aspect-ratio: 1 / 1;
	background: var(--qrcp-white);
	border-radius: 8px;
	box-shadow: var(--qrcp-shadow);
	display: none;
}

.qrcp-preview-canvas-wrap.has-code canvas {
	display: block;
}

.qrcp-preview-canvas-wrap.has-code .qrcp-preview-empty {
	display: none;
}

.qrcp-preview-empty {
	text-align: center;
	color: var(--qrcp-gray-500);
	max-width: 220px;
}

.qrcp-preview-empty-icon {
	display: inline-flex;
	color: var(--qrcp-gray-300);
	margin-bottom: 10px;
}

.qrcp-preview-empty p {
	margin: 0;
	font-size: 13px;
	line-height: 1.5;
}

.qrcp-preview-hint {
	margin: 12px 0 0;
	font-size: 12.5px;
	color: var(--qrcp-gray-500);
	text-align: center;
	min-height: 16px;
}

/* Checkbox pill grid (used in admin, kept here for consistency if reused) */

.qrcp-checkbox-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

/* Responsive ------------------------------------------------------------------ */

@media (max-width: 900px) {
	.qrcp-layout {
		grid-template-columns: 1fr;
	}

	.qrcp-preview-sticky {
		position: static;
	}

	.qrcp-panel {
		padding: 22px;
	}
}

@media (max-width: 600px) {
	.qrcp-panel {
		padding: 18px;
		border-radius: 12px;
	}

	.qrcp-field-grid-2,
	.qrcp-customize-grid {
		grid-template-columns: 1fr;
	}

	.qrcp-tabs {
		flex-wrap: nowrap;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
		padding-bottom: 4px;
		margin-left: -18px;
		margin-right: -18px;
		padding-left: 18px;
		padding-right: 18px;
	}

	.qrcp-tabs::-webkit-scrollbar {
		height: 4px;
	}

	.qrcp-tab {
		flex-shrink: 0;
	}

	.qrcp-preview-box {
		padding: 16px;
		min-height: 220px;
	}
}

@media (max-width: 380px) {
	.qrcp-tab-label {
		display: none;
	}

	.qrcp-tab {
		padding: 10px;
	}
}