/* =========================================================================
   CSV ↔ XML Konverter – gekapseltes Plugin-CSS
   Alle Regeln sind unter .csvxmlk-app verschachtelt, um die Website und
   andere Plugins nicht zu beeinflussen. Es werden keine externen Fonts
   geladen; die Typografie des jeweiligen Themes wird übernommen.
   ========================================================================= */

.csvxmlk-app {
	/* Lokaler Namensraum für Design-Tokens, beeinflusst nichts außerhalb. */
	--csvxmlk-primary: #3452ff;
	--csvxmlk-primary-hover: #2a42d6;
	--csvxmlk-primary-soft: #eef1ff;
	--csvxmlk-success: #1a8f5e;
	--csvxmlk-success-soft: #e9f8f1;
	--csvxmlk-error: #d1403a;
	--csvxmlk-error-soft: #fdecec;
	--csvxmlk-text: #1c1f2b;
	--csvxmlk-text-muted: #6b7080;
	--csvxmlk-border: #e2e4ec;
	--csvxmlk-border-strong: #cbcfdb;
	--csvxmlk-surface: #ffffff;
	--csvxmlk-surface-muted: #f7f8fb;
	--csvxmlk-radius-sm: 6px;
	--csvxmlk-radius-md: 10px;
	--csvxmlk-radius-lg: 16px;
	--csvxmlk-shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 8px 24px rgba(20, 24, 40, 0.06);
	--csvxmlk-focus-ring: 0 0 0 3px rgba(52, 82, 255, 0.28);

	/* Grundlegende Isolation gegen aggressive Theme-/Plugin-Stile. */
	all: initial;
	display: block;
	box-sizing: border-box;
	font-family: inherit;
	font-size: 16px;
	line-height: 1.5;
	color: var(--csvxmlk-text);
	text-align: left;
	direction: ltr;
	max-width: 100%;
}

.csvxmlk-app *,
.csvxmlk-app *::before,
.csvxmlk-app *::after {
	box-sizing: border-box;
	font-family: inherit;
	line-height: inherit;
	color: inherit;
}

.csvxmlk-app :where(button, input, textarea, select) {
	font-size: 0.9375rem;
	margin: 0;
}

.csvxmlk-app :where(h1, h2, h3, h4, p, ul, ol) {
	margin: 0;
	padding: 0;
}

.csvxmlk-visually-hidden {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

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

.csvxmlk-card {
	background: var(--csvxmlk-surface);
	border: 1px solid var(--csvxmlk-border);
	border-radius: var(--csvxmlk-radius-lg);
	padding: 28px;
	max-width: 960px;
	margin: 0 auto;
}

.csvxmlk-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 20px;
}

.csvxmlk-title {
	font-size: 1.375rem;
	font-weight: 600;
	letter-spacing: -0.01em;
}

.csvxmlk-subtitle {
	margin-top: 4px;
	font-size: 0.9rem;
	color: var(--csvxmlk-text-muted);
	max-width: 52ch;
}

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

.csvxmlk-tabs {
	display: flex;
	gap: 4px;
	background: var(--csvxmlk-surface-muted);
	border: 1px solid var(--csvxmlk-border);
	border-radius: var(--csvxmlk-radius-md);
	padding: 4px;
	margin-bottom: 24px;
	width: fit-content;
	max-width: 100%;
}

.csvxmlk-tab {
	appearance: none;
	background: transparent;
	border: none;
	border-radius: var(--csvxmlk-radius-sm);
	padding: 9px 18px;
	font-weight: 500;
	color: var(--csvxmlk-text-muted);
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
	white-space: nowrap;
}

.csvxmlk-tab:hover {
	color: var(--csvxmlk-text);
}

.csvxmlk-tab.is-active {
	background: var(--csvxmlk-surface);
	color: var(--csvxmlk-primary);
	box-shadow: 0 1px 2px rgba(20, 24, 40, 0.08);
}

/* ---------- Zweispaltiger Body ---------- */

.csvxmlk-body {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
	align-items: start;
}

.csvxmlk-panel {
	display: flex;
	flex-direction: column;
	gap: 12px;
	background: var(--csvxmlk-surface-muted);
	border: 1px solid var(--csvxmlk-border);
	border-radius: var(--csvxmlk-radius-md);
	padding: 18px;
}

.csvxmlk-panel-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
}

.csvxmlk-panel-title {
	font-size: 0.95rem;
	font-weight: 600;
}

.csvxmlk-badge {
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--csvxmlk-primary);
	background: var(--csvxmlk-primary-soft);
	padding: 3px 9px;
	border-radius: 999px;
}

/* ---------- Dropzone ---------- */

.csvxmlk-dropzone {
	border: 1.5px dashed var(--csvxmlk-border-strong);
	border-radius: var(--csvxmlk-radius-md);
	background: var(--csvxmlk-surface);
	padding: 22px 16px;
	text-align: center;
	cursor: pointer;
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.csvxmlk-dropzone:hover {
	border-color: var(--csvxmlk-primary);
	background: var(--csvxmlk-primary-soft);
}

.csvxmlk-dropzone:focus-visible {
	outline: none;
	box-shadow: var(--csvxmlk-focus-ring);
	border-color: var(--csvxmlk-primary);
}

.csvxmlk-dropzone.is-dragover {
	border-color: var(--csvxmlk-primary);
	background: var(--csvxmlk-primary-soft);
}

.csvxmlk-dropzone-icon {
	width: 26px;
	height: 26px;
	color: var(--csvxmlk-text-muted);
	margin-bottom: 6px;
}

.csvxmlk-dropzone-text {
	font-size: 0.875rem;
	color: var(--csvxmlk-text-muted);
}

.csvxmlk-dropzone-filename {
	margin-top: 6px;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--csvxmlk-primary);
	word-break: break-all;
}

/* ---------- Divider ---------- */

.csvxmlk-divider {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--csvxmlk-text-muted);
	font-size: 0.75rem;
	text-transform: none;
}

.csvxmlk-divider::before,
.csvxmlk-divider::after {
	content: "";
	flex: 1;
	height: 1px;
	background: var(--csvxmlk-border);
}

/* ---------- Textareas ---------- */

.csvxmlk-textarea {
	width: 100%;
	min-height: 220px;
	resize: vertical;
	background: var(--csvxmlk-surface);
	border: 1px solid var(--csvxmlk-border);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 12px 14px;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.8125rem;
	line-height: 1.55;
	color: var(--csvxmlk-text);
}

.csvxmlk-textarea:focus-visible {
	outline: none;
	border-color: var(--csvxmlk-primary);
	box-shadow: var(--csvxmlk-focus-ring);
}

.csvxmlk-textarea[readonly] {
	background: var(--csvxmlk-surface-muted);
}

.csvxmlk-textarea::placeholder {
	color: var(--csvxmlk-text-muted);
}

/* ---------- Meldungen ---------- */

.csvxmlk-error {
	background: var(--csvxmlk-error-soft);
	color: var(--csvxmlk-error);
	border: 1px solid rgba(209, 64, 58, 0.25);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 9px 12px;
	font-size: 0.8125rem;
	font-weight: 500;
}

.csvxmlk-success {
	background: var(--csvxmlk-success-soft);
	color: var(--csvxmlk-success);
	border: 1px solid rgba(26, 143, 94, 0.25);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 9px 12px;
	font-size: 0.8125rem;
	font-weight: 500;
}

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

.csvxmlk-actions {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}

.csvxmlk-btn {
	appearance: none;
	cursor: pointer;
	border-radius: var(--csvxmlk-radius-sm);
	padding: 10px 18px;
	font-weight: 600;
	font-size: 0.875rem;
	border: 1px solid transparent;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
	white-space: nowrap;
}

.csvxmlk-btn:focus-visible {
	outline: none;
	box-shadow: var(--csvxmlk-focus-ring);
}

.csvxmlk-btn-primary {
	background: var(--csvxmlk-primary);
	color: #ffffff;
}

.csvxmlk-btn-primary:hover {
	background: var(--csvxmlk-primary-hover);
}

.csvxmlk-btn-primary:disabled {
	background: var(--csvxmlk-border-strong);
	color: var(--csvxmlk-surface);
	cursor: not-allowed;
	opacity: 0.7;
}

.csvxmlk-btn-ghost {
	background: var(--csvxmlk-surface);
	color: var(--csvxmlk-text);
	border-color: var(--csvxmlk-border-strong);
}

.csvxmlk-btn-ghost:hover {
	border-color: var(--csvxmlk-primary);
	color: var(--csvxmlk-primary);
}

.csvxmlk-btn-ghost:disabled {
	color: var(--csvxmlk-text-muted);
	cursor: not-allowed;
	opacity: 0.6;
}

.csvxmlk-icon {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
}

/* ---------- Modal ---------- */

.csvxmlk-modal-overlay {
	position: absolute;
	inset: 0;
	background: rgba(20, 24, 40, 0.45);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	z-index: 999999;
	border-radius: var(--csvxmlk-radius-lg);
}

.csvxmlk-modal-overlay[hidden] {
	display: none;
}

.csvxmlk-modal {
	background: var(--csvxmlk-surface);
	border-radius: var(--csvxmlk-radius-lg);
	box-shadow: var(--csvxmlk-shadow);
	width: 100%;
	max-width: 440px;
	max-height: 90%;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
}

.csvxmlk-modal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 18px 20px;
	border-bottom: 1px solid var(--csvxmlk-border);
}

.csvxmlk-modal-title {
	font-size: 1.05rem;
	font-weight: 600;
}

.csvxmlk-modal-close {
	appearance: none;
	background: transparent;
	border: none;
	cursor: pointer;
	width: 30px;
	height: 30px;
	border-radius: var(--csvxmlk-radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--csvxmlk-text-muted);
}

.csvxmlk-modal-close:hover {
	background: var(--csvxmlk-surface-muted);
	color: var(--csvxmlk-text);
}

.csvxmlk-modal-close:focus-visible {
	outline: none;
	box-shadow: var(--csvxmlk-focus-ring);
}

.csvxmlk-modal-close svg {
	width: 18px;
	height: 18px;
}

.csvxmlk-modal-body {
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.csvxmlk-modal-footer {
	display: flex;
	justify-content: flex-end;
	gap: 10px;
	padding: 16px 20px;
	border-top: 1px solid var(--csvxmlk-border);
}

.csvxmlk-field-group {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.csvxmlk-field-label {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--csvxmlk-text);
}

.csvxmlk-select-wrap {
	position: relative;
}

.csvxmlk-select,
.csvxmlk-text-input {
	width: 100%;
	background: var(--csvxmlk-surface);
	border: 1px solid var(--csvxmlk-border-strong);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 9px 12px;
	font-size: 0.875rem;
}

.csvxmlk-select:focus-visible,
.csvxmlk-text-input:focus-visible {
	outline: none;
	border-color: var(--csvxmlk-primary);
	box-shadow: var(--csvxmlk-focus-ring);
}

.csvxmlk-checkbox-row {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	font-size: 0.8125rem;
	cursor: pointer;
}

.csvxmlk-checkbox-row input[type="checkbox"] {
	width: 17px;
	height: 17px;
	accent-color: var(--csvxmlk-primary);
	margin-top: 1px;
	flex-shrink: 0;
}

.csvxmlk-field-error {
	background: var(--csvxmlk-error-soft);
	color: var(--csvxmlk-error);
	border: 1px solid rgba(209, 64, 58, 0.25);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 8px 11px;
	font-size: 0.8rem;
}

.csvxmlk-hint {
	background: var(--csvxmlk-surface-muted);
	border: 1px solid var(--csvxmlk-border);
	border-radius: var(--csvxmlk-radius-sm);
	padding: 10px 12px;
	font-size: 0.75rem;
	line-height: 1.5;
	color: var(--csvxmlk-text-muted);
}

/* ---------- Responsive: Tablet ---------- */

@media (max-width: 860px) {
	.csvxmlk-card {
		padding: 20px;
	}

	.csvxmlk-body {
		grid-template-columns: 1fr;
	}
}

/* ---------- Responsive: Smartphone ---------- */

@media (max-width: 480px) {
	.csvxmlk-app {
		font-size: 15px;
	}

	.csvxmlk-card {
		padding: 16px;
		border-radius: var(--csvxmlk-radius-md);
	}

	.csvxmlk-header {
		flex-direction: column;
		align-items: stretch;
	}

	.csvxmlk-settings-btn span {
		display: none;
	}

	.csvxmlk-settings-btn {
		align-self: flex-end;
		padding: 10px;
	}

	.csvxmlk-tabs {
		width: 100%;
	}

	.csvxmlk-tab {
		flex: 1;
		text-align: center;
		padding: 9px 10px;
	}

	.csvxmlk-actions {
		flex-direction: column;
	}

	.csvxmlk-actions .csvxmlk-btn {
		width: 100%;
		justify-content: center;
	}

	.csvxmlk-textarea {
		min-height: 160px;
		font-size: 0.75rem;
	}
}

/* ---------- Reduzierte Bewegung ---------- */

@media (prefers-reduced-motion: reduce) {
	.csvxmlk-app * {
		transition: none !important;
		animation: none !important;
	}
}