/*!
 * Adventskalender | Cover72 - Frontend
 * (C) 2026 Cover72 | Timo Biehl - GPL-2.0-or-later
 */

.c72a {
	--c72a-cols: 6;
	--c72a-cols-md: 4;
	--c72a-cols-sm: 3;
	--c72a-gap: 0px;
	--c72a-pad: 16px;
	--c72a-ratio: 1/1;
	--c72a-num-color: #fff;
	--c72a-num-size: 55;
	--c72a-door-bg: transparent;
	--c72a-border: #fff;
	--c72a-radius: 6px;
	--c72a-font: inherit;
	--c72a-maxw: none;
	--c72a-modal-w: 720px;
	--c72a-accent: #e8c15a;
	position: relative;
	max-width: var(--c72a-maxw);
	margin-inline: auto;
}

.c72a *,
.c72a *::before,
.c72a *::after {
	box-sizing: border-box;
}

.c72a-title {
	text-align: center;
}

.c72a-description {
	margin-bottom: 1rem;
}

.c72a-previewbar {
	margin: 0 0 .75rem;
	padding: .5rem .9rem;
	border-radius: 6px;
	background: #fff4cc;
	color: #5a4600;
	border: 1px solid #e8c15a;
	font-size: .9rem;
	text-align: center;
}

/* ---------- Brett mit Hintergrundbild ---------- */

.c72a-board {
	position: relative;
	padding: var(--c72a-pad);
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
	border-radius: var(--c72a-radius);
	overflow: hidden;
}

.c72a-grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(var(--c72a-cols-sm), minmax(0, 1fr));
	gap: var(--c72a-gap);
	grid-auto-flow: row dense;
	position: relative;
	z-index: 1;
}

@media (min-width: 768px) {
	.c72a-grid {
		grid-template-columns: repeat(var(--c72a-cols-md), minmax(0, 1fr));
	}
}

@media (min-width: 992px) {
	.c72a-grid {
		grid-template-columns: repeat(var(--c72a-cols), minmax(0, 1fr));
	}
}

.c72a-cell {
	position: relative;
	margin: 0;
	padding: 0;
	aspect-ratio: var(--c72a-ratio);
	perspective: 900px;
	container-type: inline-size;
}

.c72a-cell.is-big {
	grid-column: span 2;
	aspect-ratio: calc(var(--c72a-ratio) * 2);
}

.c72a-cell.is-big .c72a-door__num {
	font-size: calc(var(--c72a-num-size) * .6cqi);
}

/* ---------- Tuerchen ---------- */

.c72a-door {
	all: unset;
	position: absolute;
	inset: 0;
	display: block;
	cursor: pointer;
	border-radius: var(--c72a-radius);
	-webkit-tap-highlight-color: transparent;
}

.c72a-door:focus-visible {
	outline: 3px solid var(--c72a-accent);
	outline-offset: -3px;
}

.c72a-door__inside {
	position: absolute;
	inset: 6%;
	border-radius: var(--c72a-radius);
	background: radial-gradient(circle at 50% 40%, #fff6d8 0%, #e8c15a 45%, #9b6b16 100%);
	background-size: cover;
	background-position: center;
	box-shadow: inset 0 0 18px rgba(0, 0, 0, .55);
	opacity: 0;
	transition: opacity .3s ease;
}

.c72a-door__front {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--c72a-radius);
	background: var(--c72a-door-bg);
	transform-origin: left center;
	transform-style: preserve-3d;
	backface-visibility: hidden;
	transition: transform .7s cubic-bezier(.3, 1.3, .5, 1), box-shadow .3s ease, filter .3s ease;
	will-change: transform;
}

.c72a-door__front img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
	pointer-events: none;
	user-select: none;
}

.c72a-door__num {
	font-family: var(--c72a-font);
	font-weight: 700;
	line-height: 1;
	color: var(--c72a-num-color);
	font-size: clamp(1.2rem, 5vw, 3.5rem);
	font-size: calc(var(--c72a-num-size) * 1cqi);
	text-shadow: 0 2px 6px rgba(0, 0, 0, .45), 0 0 1px rgba(0, 0, 0, .6);
	user-select: none;
}

.c72a-door:hover .c72a-door__front,
.c72a-door:focus-visible .c72a-door__front {
	filter: drop-shadow(0 0 10px rgba(255, 255, 255, .55));
	transform: scale(1.04);
}

/* Varianten */
.c72a--look-card .c72a-door__front {
	inset: 6%;
	border: 2px solid var(--c72a-border);
	box-shadow: 0 3px 10px rgba(0, 0, 0, .25);
}

.c72a--look-dashed .c72a-door__front {
	inset: 6%;
	border: 2px dashed var(--c72a-border);
}

.c72a--look-round .c72a-door__front {
	inset: 12%;
	border-radius: 50%;
	border: 2px solid var(--c72a-border);
}

.c72a--look-round .c72a-door__inside {
	inset: 12%;
	border-radius: 50%;
}

/* heute */
.c72a--highlight .c72a-cell.is-today .c72a-door::after {
	content: "";
	position: absolute;
	inset: 4%;
	border-radius: var(--c72a-radius);
	border: 2px solid var(--c72a-accent);
	box-shadow: 0 0 0 0 rgba(232, 193, 90, .7);
	animation: c72a-pulse 2.2s ease-out infinite;
	pointer-events: none;
}

@keyframes c72a-pulse {
	0% { box-shadow: 0 0 0 0 rgba(232, 193, 90, .7); }
	70% { box-shadow: 0 0 0 14px rgba(232, 193, 90, 0); }
	100% { box-shadow: 0 0 0 0 rgba(232, 193, 90, 0); }
}

/* Alle Tuerchen sind anklickbar (gesperrte zeigen einen Hinweis) -
   deshalb immer die Hand, auch ueber Zahl und Bild. */
.c72a .c72a-door,
.c72a .c72a-door * {
	cursor: pointer;
}

/* gesperrt: leuchtet beim Ueberfahren, springt aber nicht auf */
.c72a-cell.is-locked .c72a-door:hover .c72a-door__front {
	transform: none;
}

.c72a-cell.is-shaking .c72a-door__front {
	animation: c72a-shake .5s ease;
}

@keyframes c72a-shake {
	0%, 100% { transform: translateX(0); }
	20% { transform: translateX(-6%) rotate(-2deg); }
	40% { transform: translateX(5%) rotate(2deg); }
	60% { transform: translateX(-3%); }
	80% { transform: translateX(2%); }
}

/* oeffnen */
.c72a-cell.is-opening .c72a-door__inside,
.c72a--visited .c72a-cell.is-visited .c72a-door__inside {
	opacity: 1;
}

.c72a-cell.is-opening .c72a-door__front {
	transform: rotateY(-105deg);
	box-shadow: 6px 0 18px rgba(0, 0, 0, .35);
}

.c72a--visited .c72a-cell.is-visited:not(.is-opening) .c72a-door__front {
	transform: rotateY(-38deg);
}

.c72a--visited .c72a-cell.is-visited:not(.is-opening) .c72a-door:hover .c72a-door__front {
	transform: rotateY(-55deg);
}

.c72a-cell.is-loading .c72a-door::before {
	content: "";
	position: absolute;
	z-index: 2;
	top: 50%;
	left: 50%;
	width: 26px;
	height: 26px;
	margin: -13px 0 0 -13px;
	border-radius: 50%;
	border: 3px solid rgba(255, 255, 255, .35);
	border-top-color: #fff;
	animation: c72a-spin .8s linear infinite;
}

@keyframes c72a-spin {
	to { transform: rotate(360deg); }
}

/* ---------- Schnee ---------- */

.c72a-snow {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 2;
}

/* ---------- Popup ---------- */

.c72a-modal {
	--c72a-m-bg: #2c2c2e;
	--c72a-m-fg: #f5f5f5;
	--c72a-m-head: #1f1f21;
	--c72a-m-line: rgba(255, 255, 255, .12);
	--c72a-m-btn: #e8c15a;
	--c72a-m-btn-fg: #2b2100;
	width: min(var(--c72a-modal-w), calc(100vw - 24px));
	max-width: none;
	max-height: calc(100dvh - 24px);
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--c72a-m-fg);
	overflow: visible;
}

.c72a-modal--light {
	--c72a-m-bg: #ffffff;
	--c72a-m-fg: #1d1d1f;
	--c72a-m-head: #f3f3f5;
	--c72a-m-line: rgba(0, 0, 0, .1);
	--c72a-m-btn: #b3261e;
	--c72a-m-btn-fg: #fff;
}

.c72a-modal--red {
	--c72a-m-bg: #8e1b1b;
	--c72a-m-fg: #fff8ec;
	--c72a-m-head: #6f1212;
	--c72a-m-line: rgba(232, 193, 90, .4);
	--c72a-m-btn: #e8c15a;
	--c72a-m-btn-fg: #3d0b0b;
}

.c72a-modal::backdrop {
	background: rgba(8, 10, 20, .72);
	backdrop-filter: blur(2px);
}

.c72a-modal[open] .c72a-modal__box {
	animation: c72a-in-zoom .45s cubic-bezier(.2, 1.2, .4, 1) both;
}

.c72a-anim--pop[open] .c72a-modal__box { animation-name: c72a-in-pop; animation-duration: .8s; }
.c72a-anim--flip[open] .c72a-modal__box { animation-name: c72a-in-flip; animation-duration: .6s; }
.c72a-anim--slide[open] .c72a-modal__box { animation-name: c72a-in-slide; animation-duration: .4s; }
.c72a-anim--none[open] .c72a-modal__box { animation: none; }

@keyframes c72a-in-zoom {
	from { opacity: 0; transform: scale(.6); }
	to { opacity: 1; transform: none; }
}

@keyframes c72a-in-pop {
	0% { opacity: 0; transform: scale(.1) rotate(25deg); }
	50% { opacity: 1; transform: scale(1.08) rotate(-6deg); }
	70% { transform: scale(.97) rotate(3deg); }
	100% { transform: none; }
}

@keyframes c72a-in-flip {
	from { opacity: 0; transform: perspective(900px) rotateX(80deg); }
	to { opacity: 1; transform: none; }
}

@keyframes c72a-in-slide {
	from { opacity: 0; transform: translateY(40px); }
	to { opacity: 1; transform: none; }
}

.c72a-modal__box {
	display: flex;
	flex-direction: column;
	max-height: calc(100dvh - 24px);
	background: var(--c72a-m-bg);
	border-radius: 12px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
	overflow: hidden;
}

.c72a-modal__head {
	display: flex;
	align-items: center;
	gap: 1rem;
	padding: .8rem 1rem .8rem 1.25rem;
	background: var(--c72a-m-head);
	border-bottom: 1px solid var(--c72a-m-line);
}

.c72a-modal__title {
	flex: 1;
	margin: 0;
	font-size: 1.25rem;
	line-height: 1.3;
	color: inherit;
}

.c72a-modal__x {
	all: unset;
	cursor: pointer;
	width: 2.2rem;
	height: 2.2rem;
	display: grid;
	place-items: center;
	border-radius: 50%;
	font-size: 1.7rem;
	line-height: 1;
	color: inherit;
	opacity: .8;
}

.c72a-modal__x:hover,
.c72a-modal__x:focus-visible {
	opacity: 1;
	background: var(--c72a-m-line);
}

.c72a-modal__body {
	padding: 1.25rem;
	overflow: auto;
	overscroll-behavior: contain;
}

.c72a-modal__foot {
	display: flex;
	justify-content: flex-end;
	padding: .75rem 1.25rem;
	border-top: 1px solid var(--c72a-m-line);
}

.c72a-btn {
	display: inline-block;
	padding: .55rem 1.2rem;
	border: 0;
	border-radius: 999px;
	background: var(--c72a-m-btn, #b3261e);
	color: var(--c72a-m-btn-fg, #fff);
	font: inherit;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
}

.c72a-btn:hover,
.c72a-btn:focus-visible {
	filter: brightness(1.08);
	text-decoration: none;
	color: var(--c72a-m-btn-fg, #fff);
}

.c72a-btn--ghost {
	background: transparent;
	color: inherit;
	border: 1px solid var(--c72a-m-line);
}

.c72a-btn--ghost:hover,
.c72a-btn--ghost:focus-visible {
	color: inherit;
	background: var(--c72a-m-line);
}

/* Inhalt */
.c72a-content__figure {
	margin: 0 0 1rem;
}

.c72a-zoom {
	all: unset;
	display: block;
	cursor: zoom-in;
	border-radius: 8px;
	overflow: hidden;
}

.c72a-zoom:focus-visible {
	outline: 3px solid var(--c72a-m-btn);
}

.c72a-zoom img {
	display: block;
	width: 100%;
	height: auto;
}

.c72a-content__text > :last-child {
	margin-bottom: 0;
}

.c72a-content__text img {
	max-width: 100%;
	height: auto;
}

.c72a-content__text a {
	color: inherit;
	text-decoration: underline;
}

.c72a-content__link {
	margin: 1rem 0 0;
	text-align: center;
}

.c72a-locked {
	text-align: center;
	padding: 1rem 0;
}

.c72a-locked__icon {
	color: var(--c72a-m-btn);
	margin-bottom: .75rem;
}

.c72a-locked__msg {
	font-size: 1.2rem;
	font-weight: 600;
	margin: 0 0 .35rem;
}

.c72a-locked__date {
	margin: 0;
	opacity: .8;
}

/* Grossansicht eines Bildes */
.c72a-lightbox {
	position: fixed;
	inset: 0;
	z-index: 5;
	display: grid;
	place-items: center;
	background: rgba(0, 0, 0, .92);
	cursor: zoom-out;
}

.c72a-lightbox[hidden] {
	display: none;
}

.c72a-lightbox img {
	max-width: 96vw;
	max-height: 94dvh;
	object-fit: contain;
}

.c72a-lightbox__x {
	all: unset;
	position: absolute;
	top: 10px;
	right: 14px;
	font-size: 2.4rem;
	line-height: 1;
	color: #fff;
	cursor: pointer;
}

.c72a-noscript {
	padding: .5rem;
	text-align: center;
}

html.c72a-lock {
	overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
	.c72a *,
	.c72a-modal[open] .c72a-modal__box {
		animation: none !important;
		transition: none !important;
	}
}