/* ==========================================================
   PetrolPress
   04 – Buttons
   Zentrale Button-Komponenten für CTAs, Links und Formulare
========================================================== */


/* ==========================================================
   BASE BUTTON
========================================================== */

.btn,
.button,
.wp-element-button,
input[type="submit"],
input[type="button"],
input[type="reset"],
button:not(.menu-toggle):not(.sub-menu-toggle) {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	min-height: var(--button-height);
	padding: var(--button-padding-y) var(--button-padding-x);
	font-family: var(--font-family-body);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-bold);
	line-height: 1;
	letter-spacing: 0.01em;
	text-align: center;
	text-decoration: none;
	white-space: nowrap;
	cursor: pointer;
	border: 1px solid transparent;
	border-radius: var(--button-radius);
	transition:
		transform var(--transition-base),
		box-shadow var(--transition-base),
		background-color var(--transition-base),
		border-color var(--transition-base),
		color var(--transition-base),
		opacity var(--transition-base);
	-webkit-tap-highlight-color: transparent;
}

.btn:hover,
.button:hover,
.wp-element-button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
button:not(.menu-toggle):not(.sub-menu-toggle):hover {
	text-decoration: none;
	transform: translateY(-2px);
}

.btn:active,
.button:active,
.wp-element-button:active,
input[type="submit"]:active,
input[type="button"]:active,
input[type="reset"]:active,
button:not(.menu-toggle):not(.sub-menu-toggle):active {
	transform: translateY(0);
}

.btn:focus-visible,
.button:focus-visible,
.wp-element-button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible,
input[type="reset"]:focus-visible,
button:not(.menu-toggle):not(.sub-menu-toggle):focus-visible {
	outline: none;
	box-shadow: var(--focus-ring);
}


/* ==========================================================
   PRIMARY BUTTON
========================================================== */

.btn-primary,
.button,
.wp-element-button,
input[type="submit"],
button[type="submit"] {
	color: var(--color-white);
	background: var(--gradient-primary);
	border-color: var(--color-primary);
	box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.button:hover,
.wp-element-button:hover,
input[type="submit"]:hover,
button[type="submit"]:hover {
	color: var(--color-white);
	background: linear-gradient(
		135deg,
		var(--color-primary-dark) 0%,
		var(--color-primary) 100%
	);
	border-color: var(--color-primary-dark);
	box-shadow: var(--shadow-md);
}


/* ==========================================================
   SECONDARY BUTTON
========================================================== */

.btn-secondary {
	color: var(--color-primary-deep);
	background: var(--color-primary-soft);
	border-color: rgba(11, 122, 120, 0.14);
	box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
	color: var(--color-primary-deep);
	background: var(--color-secondary-light);
	border-color: rgba(11, 122, 120, 0.24);
	box-shadow: var(--shadow-sm);
}


/* ==========================================================
   GOLD BUTTON
========================================================== */

.btn-accent,
.btn-gold {
	color: var(--color-primary-deep);
	background: var(--gradient-gold);
	border-color: var(--color-accent);
	box-shadow: var(--shadow-gold);
}

.btn-accent:hover,
.btn-gold:hover {
	color: var(--color-primary-deep);
	background: linear-gradient(
		135deg,
		var(--color-accent) 0%,
		var(--color-accent-dark) 100%
	);
	border-color: var(--color-accent-dark);
	box-shadow: 0 18px 42px rgba(216, 178, 95, 0.30);
}


/* ==========================================================
   OUTLINE BUTTONS
========================================================== */

.btn-outline {
	color: var(--color-primary);
	background: transparent;
	border-color: var(--color-primary);
}

.btn-outline:hover {
	color: var(--color-white);
	background: var(--color-primary);
	border-color: var(--color-primary);
	box-shadow: var(--shadow-sm);
}

.btn-outline-light {
	color: var(--color-white);
	background: transparent;
	border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline-light:hover {
	color: var(--color-primary-deep);
	background: var(--color-white);
	border-color: var(--color-white);
	box-shadow: var(--shadow-md);
}

.btn-outline-gold {
	color: var(--color-accent-dark);
	background: transparent;
	border-color: var(--color-accent);
}

.btn-outline-gold:hover {
	color: var(--color-primary-deep);
	background: var(--color-accent-light);
	border-color: var(--color-accent);
	box-shadow: var(--shadow-gold);
}


/* ==========================================================
   GHOST & TEXT BUTTONS
========================================================== */

.btn-ghost {
	color: var(--color-primary);
	background: transparent;
	border-color: transparent;
	box-shadow: none;
}

.btn-ghost:hover {
	color: var(--color-primary-dark);
	background: var(--color-primary-soft);
	box-shadow: none;
}

.btn-text {
	position: relative;
	min-height: auto;
	padding: 0;
	color: var(--color-primary);
	background: transparent;
	border: 0;
	border-radius: 0;
	box-shadow: none;
}

.btn-text::after {
	content: "";
	position: absolute;
	right: 0;
	bottom: -0.2rem;
	left: 0;
	height: 1px;
	background: currentColor;
	transform: scaleX(0);
	transform-origin: right;
	transition: transform var(--transition-base);
}

.btn-text:hover {
	color: var(--color-primary-dark);
	background: transparent;
	box-shadow: none;
	transform: none;
}

.btn-text:hover::after {
	transform: scaleX(1);
	transform-origin: left;
}


/* ==========================================================
   GLASS BUTTON
========================================================== */

.btn-glass {
	color: var(--color-primary-deep);
	background: var(--glass-background-medium);
	border-color: var(--glass-border);
	box-shadow:
		var(--shadow-sm),
		var(--shadow-inner-light);
	backdrop-filter: var(--glass-blur-medium);
	-webkit-backdrop-filter: var(--glass-blur-medium);
}

.btn-glass:hover {
	color: var(--color-primary-deep);
	background: var(--glass-background-strong);
	border-color: rgba(255, 255, 255, 0.9);
	box-shadow:
		var(--shadow-md),
		var(--shadow-inner-light);
}


/* ==========================================================
   BUTTON SIZES
========================================================== */

.btn-sm {
	min-height: 40px;
	padding: 0.68rem 1rem;
	font-size: var(--font-size-xs);
}

.btn-lg {
	min-height: 60px;
	padding: 1rem 1.9rem;
	font-size: var(--font-size-base);
}

.btn-xl {
	min-height: 68px;
	padding: 1.15rem 2.2rem;
	font-size: var(--font-size-md);
}


/* ==========================================================
   BUTTON WIDTHS
========================================================== */

.btn-block {
	width: 100%;
}

.btn-fit {
	width: fit-content;
}


/* ==========================================================
   ICON BUTTONS
========================================================== */

.btn-icon {
	width: var(--button-height);
	min-width: var(--button-height);
	height: var(--button-height);
	padding: 0;
	border-radius: var(--radius-circle);
}

.btn-icon.btn-sm {
	width: 40px;
	min-width: 40px;
	height: 40px;
}

.btn-icon.btn-lg {
	width: 60px;
	min-width: 60px;
	height: 60px;
}

.btn-icon svg,
.btn svg,
.button svg,
.wp-element-button svg {
	width: 1.1em;
	height: 1.1em;
	flex: 0 0 auto;
	stroke-width: 1.8;
}

.btn-icon-only .btn-label {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}


/* ==========================================================
   BUTTON GROUPS
========================================================== */

.button-group,
.btn-group {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-3);
}

.button-group-centered,
.btn-group-centered {
	justify-content: center;
}

.button-group-stacked,
.btn-group-stacked {
	flex-direction: column;
	align-items: stretch;
}

.button-group-stacked .btn,
.btn-group-stacked .btn {
	width: 100%;
}


/* ==========================================================
   BUTTON WITH ARROW
========================================================== */

.btn-arrow::after {
	content: "→";
	font-size: 1.05em;
	line-height: 1;
	transition: transform var(--transition-base);
}

.btn-arrow:hover::after {
	transform: translateX(4px);
}

.btn-arrow-back::before {
	content: "←";
	font-size: 1.05em;
	line-height: 1;
	transition: transform var(--transition-base);
}

.btn-arrow-back:hover::before {
	transform: translateX(-4px);
}


/* ==========================================================
   LOADING STATE
========================================================== */

.btn.is-loading,
.button.is-loading {
	position: relative;
	color: transparent !important;
	pointer-events: none;
}

.btn.is-loading::after,
.button.is-loading::after {
	content: "";
	position: absolute;
	width: 1rem;
	height: 1rem;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: var(--radius-circle);
	animation: petrolpress-button-spin 0.8s linear infinite;
}

@keyframes petrolpress-button-spin {
	to {
		transform: rotate(360deg);
	}
}


/* ==========================================================
   DISABLED STATE
========================================================== */

.btn:disabled,
.btn[aria-disabled="true"],
.button:disabled,
.button[aria-disabled="true"],
.wp-element-button:disabled,
input[type="submit"]:disabled,
input[type="button"]:disabled,
input[type="reset"]:disabled,
button:disabled {
	opacity: 0.48;
	cursor: not-allowed;
	pointer-events: none;
	box-shadow: none;
	transform: none;
}


/* ==========================================================
   WORDPRESS BLOCK BUTTONS
========================================================== */

.wp-block-button {
	margin-bottom: var(--space-4);
}

.wp-block-button__link {
	min-height: var(--button-height);
	padding: var(--button-padding-y) var(--button-padding-x);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-bold);
	border-radius: var(--button-radius);
}

.wp-block-button.is-style-outline .wp-block-button__link {
	color: var(--color-primary);
	background: transparent;
	border: 1px solid var(--color-primary);
}

.wp-block-button.is-style-outline .wp-block-button__link:hover {
	color: var(--color-white);
	background: var(--color-primary);
}

.wp-block-buttons {
	gap: var(--space-3);
}


/* ==========================================================
   DARK SECTION SUPPORT
========================================================== */

.section-dark .btn-secondary,
.section-dark .btn-glass {
	color: var(--color-white);
	background: rgba(255, 255, 255, 0.12);
	border-color: rgba(255, 255, 255, 0.24);
}

.section-dark .btn-secondary:hover,
.section-dark .btn-glass:hover {
	color: var(--color-primary-deep);
	background: var(--color-white);
	border-color: var(--color-white);
}

.section-dark .btn-text,
.section-dark .btn-ghost {
	color: var(--color-white);
}


/* ==========================================================
   RESPONSIVE BUTTONS
========================================================== */

@media (max-width: 782px) {

	.button-group-mobile-stack,
	.btn-group-mobile-stack {
		flex-direction: column;
		align-items: stretch;
	}

	.button-group-mobile-stack .btn,
	.btn-group-mobile-stack .btn {
		width: 100%;
	}

	.btn-xl {
		min-height: 60px;
		padding: 1rem 1.7rem;
		font-size: var(--font-size-base);
	}
}

@media (max-width: 480px) {

	.btn,
	.button,
	.wp-element-button,
	input[type="submit"],
	input[type="button"],
	input[type="reset"],
	button:not(.menu-toggle):not(.sub-menu-toggle) {
		min-height: 50px;
		padding-inline: 1.25rem;
	}

	.btn-lg,
	.btn-xl {
		width: 100%;
	}
}


/* ==========================================================
   REDUCED MOTION
========================================================== */

@media (prefers-reduced-motion: reduce) {

	.btn,
	.button,
	.wp-element-button,
	input[type="submit"],
	input[type="button"],
	input[type="reset"],
	button {
		transition: none;
	}

	.btn:hover,
	.button:hover,
	.wp-element-button:hover,
	input[type="submit"]:hover,
	input[type="button"]:hover,
	input[type="reset"]:hover,
	button:hover {
		transform: none;
	}

	.btn.is-loading::after,
	.button.is-loading::after {
		animation-duration: 1.6s;
	}
}