/*
 * Transfer Datenrechner – Styles
 * Alle Regeln sind auf .tdr-container beschränkt, um Theme-CSS
 * nicht zu beeinflussen und umgekehrt vom Theme möglichst
 * unbeeinflusst zu bleiben. Es werden keine Web-Fonts geladen;
 * die Schriftart wird vom umgebenden Theme geerbt.
 */

.tdr-container {
	--tdr-color-primary: #3452ff;
	--tdr-color-primary-dark: #1834d2;
	--tdr-color-accent: #0d9488;
	--tdr-color-text: #1f2937;
	--tdr-color-text-muted: #6b7280;
	--tdr-color-border: #e5e7eb;
	--tdr-color-border-strong: #d1d5db;
	--tdr-color-bg: #ffffff;
	--tdr-color-bg-subtle: #f9fafb;
	--tdr-color-error: #b91c1c;
	--tdr-color-error-bg: #fef2f2;
	--tdr-radius: 8px;
	--tdr-spacing: 16px;

	box-sizing: border-box;
	margin: 0 auto;
	padding: var(--tdr-spacing);
	background: var(--tdr-color-bg);
	border: 1px solid var(--tdr-color-border);
	border-radius: var(--tdr-radius);
	color: var(--tdr-color-text);
	line-height: 1.5;
	font-size: 15px;
}

.tdr-container *,
.tdr-container *::before,
.tdr-container *::after {
	box-sizing: border-box;
}

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

.tdr-tabs {
	display: flex;
	gap: 4px;
	border-bottom: 1px solid var(--tdr-color-border);
	margin-bottom: var(--tdr-spacing);
	overflow-x: auto;
}

.tdr-tab {
	appearance: none;
	background: transparent;
	border: none;
	border-bottom: 2px solid transparent;
	padding: 10px 14px;
	font: inherit;
	font-weight: 600;
	font-size: 0.9em;
	color: var(--tdr-color-text-muted);
	cursor: pointer;
	white-space: nowrap;
	transition: color 0.15s ease, border-color 0.15s ease;
	margin-bottom: 15px;
}

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

.tdr-tab:focus-visible {
	outline: 2px solid var(--tdr-color-primary);
	outline-offset: 2px;
}

.tdr-tab.is-active {
	color: var(--tdr-color-primary);
	border-bottom-color: var(--tdr-color-primary);
}

/* ---------- Reset ---------- */

.tdr-reset-row {
	display: flex;
	justify-content: flex-end;
	margin-bottom: var(--tdr-spacing);
}

.tdr-reset-btn {
	appearance: none;
	background: var(--tdr-color-bg);
	border: 1px solid var(--tdr-color-border-strong);
	border-radius: var(--tdr-radius);
	padding: 6px 12px;
	font: inherit;
	font-size: 0.85em;
	color: var(--tdr-color-text-muted);
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.tdr-reset-btn:hover {
	background: var(--tdr-color-bg-subtle);
	color: var(--tdr-color-text);
}

.tdr-reset-btn:focus-visible {
	outline: 2px solid var(--tdr-color-primary);
	outline-offset: 2px;
}

/* ---------- Panels ---------- */

.tdr-panel[hidden] {
	display: none;
}

.tdr-panel {
	display: flex;
	flex-direction: column;
	gap: var(--tdr-spacing);
}

/* ---------- Felder ---------- */

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

.tdr-field > label {
	font-weight: 600;
	font-size: 0.9em;
	color: var(--tdr-color-text);
}

.tdr-field-row {
	display: flex;
	gap: 8px;
}

.tdr-input,
.tdr-select {
	font: inherit;
	font-size: 0.95em;
	color: var(--tdr-color-text);
	background: var(--tdr-color-bg);
	border: 1px solid var(--tdr-color-border-strong);
	border-radius: var(--tdr-radius);
	padding: 9px 10px;
}

.tdr-input {
	flex: 1 1 60%;
	min-width: 0;
}

.tdr-select {
	flex: 1 1 40%;
	min-width: 0;
}

.tdr-input:focus-visible,
.tdr-select:focus-visible {
	outline: 2px solid var(--tdr-color-primary);
	outline-offset: 1px;
	border-color: var(--tdr-color-primary);
}

/* Zahlenfeld-Spinner dezent lassen (Browser-Standard, kein Eingriff nötig) */

/* ---------- Schnellauswahl ---------- */

.tdr-quick-select {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.tdr-quick-btn {
	appearance: none;
	background: var(--tdr-color-bg-subtle);
	border: 1px solid var(--tdr-color-border);
	border-radius: 999px;
	padding: 5px 12px;
	font: inherit;
	font-size: 0.8em;
	color: var(--tdr-color-text);
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.tdr-quick-btn:hover {
	background: #eef2ff;
	border-color: var(--tdr-color-primary);
	color: var(--tdr-color-primary-dark);
}

.tdr-quick-btn:focus-visible {
	outline: 2px solid var(--tdr-color-primary);
	outline-offset: 2px;
}

.tdr-quick-btn.is-selected {
	background: var(--tdr-color-primary);
	border-color: var(--tdr-color-primary);
	color: #ffffff;
}

/* ---------- Ergebnis ---------- */

.tdr-result {
	margin-top: 4px;
	padding-top: var(--tdr-spacing);
	border-top: 1px solid var(--tdr-color-border);
}

.tdr-result-main {
	font-size: 1.5em;
	font-weight: 700;
	color: var(--tdr-color-primary-dark);
	min-height: 1.4em;
}

.tdr-result-placeholder {
	font-size: 0.6em;
	font-weight: 400;
	color: var(--tdr-color-text-muted);
}

.tdr-result-error {
	margin-top: 8px;
	padding: 8px 12px;
	border-radius: var(--tdr-radius);
	background: var(--tdr-color-error-bg);
	color: var(--tdr-color-error);
	font-size: 0.85em;
}

.tdr-result-error[hidden] {
	display: none;
}

.tdr-result-table[hidden] {
	display: none;
}

.tdr-result-table {
	margin-top: 12px;
	padding: 12px;
	background: var(--tdr-color-bg-subtle);
	border: 1px solid var(--tdr-color-border);
	border-radius: var(--tdr-radius);
}

.tdr-result-table-heading {
	margin: 0 0 8px;
	font-size: 0.8em;
	font-weight: 600;
	color: var(--tdr-color-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.02em;
}

.tdr-conversion-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 6px 16px;
}

.tdr-conversion-list li {
	display: flex;
	justify-content: space-between;
	gap: 8px;
	padding: 4px 0;
	border-bottom: 1px dashed var(--tdr-color-border);
	font-size: 0.9em;
}

.tdr-conversion-label {
	color: var(--tdr-color-text-muted);
}

.tdr-conversion-value {
	font-weight: 600;
	color: var(--tdr-color-text);
	white-space: nowrap;
}

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

@media (max-width: 560px) {
	.tdr-container {
		padding: 12px;
		font-size: 14px;
	}

	.tdr-field-row {
		flex-direction: column;
	}

	.tdr-input,
	.tdr-select {
		flex: 1 1 auto;
		width: 100%;
	}

	.tdr-conversion-list {
		grid-template-columns: 1fr;
	}

	.tdr-result-main {
		font-size: 1.25em;
	}
}

@media (min-width: 561px) and (max-width: 900px) {
	.tdr-container {
		max-width: 100%;
	}
}