.pk-app {
	--pk-bg: #f2f2f2;
	--pk-surface: #ffffff;
	--pk-border: #e6e6e6;
	--pk-text: #17181a;
	--pk-text-muted: #767a80;
	--pk-accent: #2563eb;
	--pk-danger: #e0393e;
	--pk-radius: 12px;
	--pk-radius-sm: 8px;
	--pk-shadow: 0 1px 2px rgba(16,16,16,0.04), 0 10px 24px rgba(16,16,16,0.06);

	max-width: 1180px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--pk-text);
	-webkit-font-smoothing: antialiased;
}
.pk-app * { box-sizing: border-box; }
.pk-app svg { width: 100%; height: 100%; display: block; }
.pk-icon { display: inline-flex; width: 22px; height: 22px; }

/* ---------- Produktauswahl ---------- */
.pk-picker-heading {
	font-size: 20px;
	font-weight: 700;
	margin: 0 0 16px;
}
.pk-picker-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
	gap: 16px;
}
.pk-picker-card {
	background: var(--pk-surface);
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	padding: 14px;
	cursor: pointer;
	text-align: center;
	transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.pk-picker-card:hover {
	box-shadow: var(--pk-shadow);
	transform: translateY(-2px);
	border-color: #d8d8d8;
}
.pk-picker-thumb {
	background: var(--pk-bg);
	border-radius: var(--pk-radius-sm);
	height: 130px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 10px;
	overflow: hidden;
}
.pk-picker-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pk-picker-name { font-weight: 600; font-size: 14px; }

/* ---------- Grundgerüst ---------- */
.pk-shell {
	display: flex;
	align-items: flex-start;
	gap: 0;
	background: var(--pk-surface);
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	overflow: hidden;
	min-height: 560px;
}

/* ---------- Icon-Sidebar ---------- */
.pk-rail {
	flex: 0 0 84px;
	background: #fafafa;
	border-right: 1px solid var(--pk-border);
	padding: 18px 8px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	align-self: stretch;
}
.pk-rail-btn {
	width: 100%;
	background: transparent;
	border: none;
	border-radius: var(--pk-radius-sm);
	padding: 10px 4px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	cursor: pointer;
	color: var(--pk-text);
}
.pk-rail-btn:hover { background: #efefef; }
.pk-rail-btn.is-active { background: #111111; color: #ffffff; }
.pk-rail-label { font-size: 11px; font-weight: 600; line-height: 1.1; text-align: center; }

/* ---------- Ebenen-Flyout ---------- */
.pk-flyout {
	flex: 0 0 0;
	width: 0;
	overflow: hidden;
	border-right: 0 solid var(--pk-border);
	background: var(--pk-surface);
	transition: width .18s ease, flex-basis .18s ease;
	align-self: stretch;
	padding: 0;
}
.pk-flyout.is-open {
	flex: 0 0 240px;
	width: 240px;
	border-right: 1px solid var(--pk-border);
	padding: 18px 14px;
	overflow-y: auto;
}
.pk-flyout-heading { margin: 0 0 12px; font-size: 14px; font-weight: 700; }

.pk-layers-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.pk-layers-empty { font-size: 13px; color: var(--pk-text-muted); padding: 8px 0; }
.pk-layer-item {
	display: flex;
	align-items: center;
	gap: 6px;
	background: var(--pk-bg);
	border: 1px solid transparent;
	border-radius: var(--pk-radius-sm);
	padding: 7px 8px;
	cursor: grab;
	user-select: none;
}
.pk-layer-item.is-selected { border-color: var(--pk-accent); background: #eef3ff; }
.pk-layer-item.is-dragging { opacity: .4; }
.pk-layer-handle { color: #b0b0b0; }
.pk-layer-label {
	flex: 1;
	font-size: 12.5px;
	display: flex;
	align-items: center;
	gap: 6px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}
.pk-layer-label .pk-icon { width: 15px; height: 15px; flex: none; }
.pk-layer-btn {
	border: 1px solid var(--pk-border);
	background: #fff;
	border-radius: 4px;
	width: 22px;
	height: 22px;
	font-size: 10px;
	cursor: pointer;
	padding: 0;
}
.pk-layer-btn:hover { background: #f0f0f0; }

/* ---------- Stage (Canvas-Bereich) ---------- */
.pk-stage {
	flex: 1 1 auto;
	background: var(--pk-bg);
	padding: 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
	min-width: 0;
}
.pk-canvas-wrap {
	margin-top: 16px;
	display: inline-block;
	filter: drop-shadow(0 12px 28px rgba(0,0,0,0.10));
}

/* ---------- Schwebende Text-Toolbar ---------- */
.pk-text-toolbar {
	display: none;
	align-items: center;
	gap: 10px;
	background: var(--pk-surface);
	border: 1px solid var(--pk-border);
	border-radius: 16px;
	box-shadow: var(--pk-shadow);
	padding: 10px 14px;
	position: relative;
	flex-wrap: wrap;
	justify-content: center;
}
.pk-text-toolbar.is-visible { display: flex; }

.pk-tt-font {
	border: 1px solid var(--pk-border);
	border-radius: 8px;
	padding: 6px 10px;
	font-size: 13px;
	background: #fff;
	max-width: 140px;
}
.pk-tt-btn {
	border: 1px solid var(--pk-border);
	background: #fff;
	border-radius: 8px;
	width: 32px;
	height: 32px;
	cursor: pointer;
	font-size: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--pk-text);
}
.pk-tt-btn:hover { background: #f5f5f5; }
.pk-tt-btn.is-active { background: #111; color: #fff; border-color: #111; }
.pk-fmt-bold { font-weight: 800; }
.pk-fmt-italic { font-style: italic; font-family: Georgia, serif; }
.pk-tt-icon .pk-icon { flex: none; width: 16px; height: 16px; }
.pk-tt-danger:hover { background: #fdeceb; border-color: #f3b9b7; color: var(--pk-danger); }

.pk-tt-size { display: flex; align-items: center; gap: 6px; }
.pk-tt-size-label { font-size: 11px; color: var(--pk-text-muted); }
.pk-tt-size input[type="range"] { width: 90px; accent-color: var(--pk-accent); }

.pk-tt-color-btn {
	border: 1px solid var(--pk-border);
	background: #fff;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
}
.pk-color-dot {
	display: inline-block;
	flex: none;
	width: 18px;
	height: 18px;
	min-width: 18px;
	min-height: 18px;
	border-radius: 50%;
	border: 1px solid rgba(0,0,0,0.15);
	background-color: #000;
}

.pk-color-popover {
	display: none;
	position: absolute;
	top: calc(100% + 10px);
	right: 10px;
	background: var(--pk-surface);
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	box-shadow: var(--pk-shadow);
	padding: 14px;
	z-index: 20;
	width: 220px;
}
.pk-color-popover.is-open { display: block; }
.pk-color-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.pk-color-swatch {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	border: 1px solid rgba(0,0,0,0.1);
	cursor: pointer;
	padding: 0;
}
.pk-color-swatch:hover { transform: scale(1.12); }
.pk-color-custom-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: 12px;
	padding-top: 12px;
	border-top: 1px solid var(--pk-border);
	font-size: 12.5px;
	color: var(--pk-text-muted);
}
.pk-color-custom-row input[type="color"] {
	width: 30px;
	height: 30px;
	padding: 0;
	border: 1px solid var(--pk-border);
	border-radius: 50%;
	cursor: pointer;
	overflow: hidden;
}

/* ---------- Seitenpanel (Kundendaten) ---------- */
.pk-side {
	flex: 0 0 300px;
	padding: 22px;
	border-left: 1px solid var(--pk-border);
	align-self: stretch;
}
.pk-side-title { font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.pk-side-sub { font-size: 12.5px; color: var(--pk-text-muted); margin: 0; }
.pk-divider { border: none; border-top: 1px solid var(--pk-border); margin: 16px 0; }

.pk-field { margin-bottom: 14px; }
.pk-field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; color: var(--pk-text-muted); }
.pk-field input[type="text"],
.pk-field input[type="email"],
.pk-field input[type="number"],
.pk-field textarea {
	width: 100%;
	padding: 9px 11px;
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius-sm);
	font-size: 14px;
	font-family: inherit;
	background: #fff;
}
.pk-field input:focus,
.pk-field textarea:focus {
	outline: none;
	border-color: var(--pk-accent);
	box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.pk-stepper { display: flex; align-items: center; border: 1px solid var(--pk-border); border-radius: var(--pk-radius-sm); overflow: hidden; width: 130px; }
.pk-stepper-btn { border: none; background: #fafafa; width: 34px; height: 36px; font-size: 16px; cursor: pointer; }
.pk-stepper-btn:hover { background: #efefef; }
.pk-stepper input { border: none; text-align: center; width: 100%; padding: 8px 4px; -moz-appearance: textfield; }
.pk-stepper input::-webkit-outer-spin-button,
.pk-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.pk-btn-submit {
	width: 100%;
	background: #111111;
	color: #ffffff;
	border: none;
	border-radius: var(--pk-radius-sm);
	padding: 13px;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	margin-top: 8px;
}
.pk-btn-submit:hover { background: #000000; }
.pk-btn-submit:disabled { opacity: .6; cursor: default; }

.pk-submit-msg { margin-top: 10px; font-size: 13px; }
.pk-submit-msg.pk-success { color: #1a7f37; }
.pk-submit-msg.pk-error { color: var(--pk-danger); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
	.pk-shell { flex-direction: column; }
	.pk-rail { flex-direction: row; width: 100%; border-right: none; border-bottom: 1px solid var(--pk-border); justify-content: center; }
	.pk-rail-btn { width: auto; padding: 8px 14px; }
	.pk-flyout.is-open { width: 100%; flex-basis: auto; border-right: none; border-bottom: 1px solid var(--pk-border); }
	.pk-side { border-left: none; border-top: 1px solid var(--pk-border); flex-basis: auto; width: 100%; }
}