/**
 * Videogrößen-Rechner – Styling.
 *
 * Alle Regeln sind unter dem eindeutigen Container ".vgr-calculator"
 * gekapselt, um Konflikte mit dem aktiven WordPress-Theme zu vermeiden.
 * Es werden bewusst nur zwei Hauptfarben sowie neutrale Grautöne
 * verwendet. Es wird keine eigene Schriftart geladen – die Typografie
 * des Themes wird vollständig übernommen (font-family: inherit).
 */

.vgr-calculator {
	/* Hauptfarben (max. 2) */
	--vgr-color-primary: #3452ff;
	--vgr-color-primary-dark: #1432dd;
	--vgr-color-accent: #3452ff;

	/* Neutrale Grautöne */
	--vgr-color-bg: #ffffff;
	--vgr-color-bg-subtle: #fff;
	--vgr-color-border: #e2e8f0;
	--vgr-color-border-strong: #cbd5e1;
	--vgr-color-text: #0f172a;
	--vgr-color-text-secondary: #64748b;
	--vgr-color-danger: #dc2626;
	--vgr-color-danger-bg: #fef2f2;

	--vgr-radius: 10px;
	--vgr-radius-sm: 6px;
	--vgr-spacing: 1rem;

	all: initial;
	box-sizing: border-box;
	display: block;
	margin: 0 auto;
	padding: 1.5rem;
	background: var( --vgr-color-bg );
	border: 1px solid var( --vgr-color-border );
	border-radius: var( --vgr-radius );
	color: var( --vgr-color-text );
	font-family: inherit;
	font-size: 1rem;
	line-height: 1.5;
	text-align: left;
}

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

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

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

.vgr-form {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.vgr-section {
	margin: 0;
	padding: 1.25rem;
	border: 1px solid var( --vgr-color-border );
	border-radius: var( --vgr-radius-sm );
	background: var( --vgr-color-bg-subtle );
}

.vgr-legend {
	padding: 0 0.4rem;
	margin-left: -0.4rem;
	font-size: 0.95rem;
	font-weight: 600;
	color: var( --vgr-color-text );
}

.vgr-field-row {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-top: 0.75rem;
}

.vgr-field-row:first-child {
	margin-top: 0;
}

.vgr-field {
	flex: 1 1 180px;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	margin-top: 0.75rem;
}

.vgr-section > .vgr-field:first-of-type {
	margin-top: 0.75rem;
}

.vgr-field label {
	font-size: 0.85rem;
	font-weight: 500;
	color: var( --vgr-color-text-secondary );
}

/* ---------- Eingabefelder ---------- */

.vgr-input {
	width: 100%;
	padding: 0.6rem 0.75rem;
	background: var( --vgr-color-bg );
	border: 1px solid var( --vgr-color-border-strong );
	border-radius: var( --vgr-radius-sm );
	font-size: 0.95rem;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.vgr-input:hover {
	border-color: var( --vgr-color-primary );
}

.vgr-input:focus {
	border-color: var( --vgr-color-primary );
	box-shadow: 0 0 0 3px rgba( 37, 99, 235, 0.15 );
	outline: none;
}

.vgr-select {
	appearance: none;
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 0.65rem center;
	background-size: 1.1rem;
	padding-right: 2.25rem;
}

.vgr-input-invalid {
	border-color: var( --vgr-color-danger );
	background-color: var( --vgr-color-danger-bg );
}

.vgr-error {
	min-height: 1.1em;
	margin: 0;
	font-size: 0.8rem;
	color: var( --vgr-color-danger );
}

/* ---------- Schnellwahl (Chips) ---------- */

.vgr-quickselect {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.9rem;
}

.vgr-chip {
	appearance: none;
	padding: 0.4rem 0.85rem;
	background: var( --vgr-color-bg );
	border: 1px solid var( --vgr-color-border-strong );
	border-radius: 999px;
	font-size: 0.82rem;
	font-weight: 500;
	color: var( --vgr-color-text-secondary );
	cursor: pointer;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.vgr-chip:hover {
	border-color: var( --vgr-color-primary );
	color: var( --vgr-color-primary );
}

.vgr-chip[aria-pressed="true"] {
	background: var( --vgr-color-primary );
	border-color: var( --vgr-color-primary );
	color: #ffffff;
}

/* ---------- Aktionen ---------- */

.vgr-actions {
	display: flex;
	justify-content: flex-end;
}

.vgr-btn {
	appearance: none;
	padding: 0.65rem 1.25rem;
	border-radius: var( --vgr-radius-sm );
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	transition: background-color 0.15s ease, border-color 0.15s ease;
}

.vgr-btn-reset {
	background: var( --vgr-color-bg );
	border: 1px solid var( --vgr-color-border-strong );
	color: var( --vgr-color-text );
}

.vgr-btn-reset:hover {
	border-color: var( --vgr-color-danger );
	color: var( --vgr-color-danger );
}

/* ---------- Ergebnisbereich ---------- */

.vgr-results {
	margin-top: 1.75rem;
	padding-top: 1.5rem;
	border-top: 1px solid var( --vgr-color-border );
}

.vgr-highlight {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.25rem;
	padding: 1.5rem;
	margin-bottom: 1.5rem;
	background: linear-gradient( 135deg, var( --vgr-color-primary ), var( --vgr-color-primary-dark ) );
	border-radius: var( --vgr-radius );
	text-align: center;
}

.vgr-highlight-label {
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: rgba( 255, 255, 255, 0.85 );
}

.vgr-highlight-value {
	font-size: clamp( 1.75rem, 5vw, 2.5rem );
	font-weight: 700;
	color: #ffffff;
}

.vgr-highlight-sub {
	font-size: 0.8rem;
	color: rgba( 255, 255, 255, 0.75 );
	min-height: 1.1em;
}

.vgr-results-grid {
	display: grid;
	grid-template-columns: repeat( 2, 1fr );
	gap: 1rem;
}

.vgr-result-group {
	padding: 1.1rem 1.25rem;
	border: 1px solid var( --vgr-color-border );
	border-radius: var( --vgr-radius-sm );
	background: var( --vgr-color-bg-subtle );
}

.vgr-result-heading {
	margin: 0 0 0.75rem;
	font-size: 0.95rem;
	font-weight: 700;
	color: var( --vgr-color-accent );
}

.vgr-unit-table {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.vgr-unit-col h4 {
	margin: 0 0 0.5rem;
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: var( --vgr-color-text-secondary );
}

.vgr-unit-col dl {
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.vgr-unit-row {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem;
	padding-bottom: 0.35rem;
	border-bottom: 1px dashed var( --vgr-color-border );
}

.vgr-unit-row dt {
	font-size: 0.8rem;
	font-weight: 600;
	color: var( --vgr-color-text-secondary );
}

.vgr-unit-row dd {
	margin: 0;
	font-size: 0.9rem;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	text-align: right;
}

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

@media ( max-width: 640px ) {
	.vgr-calculator {
		padding: 1rem;
	}

	.vgr-results-grid {
		grid-template-columns: 1fr;
	}

	.vgr-unit-table {
		grid-template-columns: 1fr;
	}

	.vgr-highlight-value {
		font-size: 1.75rem;
	}

	.vgr-actions {
		justify-content: stretch;
	}

	.vgr-btn-reset {
		width: 100%;
	}
}

@media ( max-width: 420px ) {
	.vgr-field-row {
		flex-direction: column;
	}
}