:root {
	--bg1: #560000;
	--bg2: #560000;
	--text: #f4f4f4;
	--transition: 0.4s ease;
	--frame-size: 14px;
}

* {
	box-sizing: border-box;
  user-select: none;
}

body {
	margin: 0;
  background: 
    /* Noise overlay */
    repeating-conic-gradient(transparent 0deg, rgba(255,255,255,0.05) 1deg, transparent 2deg),
    /* Subtle grid */
    repeating-linear-gradient(0deg, transparent 0px, rgba(0, 0, 0, 0.1) 1px, transparent 2px),
    repeating-linear-gradient(90deg, transparent 0px, rgba(0,0,0,0.1) 1px, transparent 2px),
    /* Main gradient */
    linear-gradient(135deg, var(--bg1) 0%, var(--bg2) 100%);
  background-size: 
    20px 20px,
    50px 50px,
    50px 50px,
    100% 100%;
	color: var(--text);
	font-family: Arial, Helvetica, sans-serif;
}


#header {
  width: 100%;
  height: 40px;
  background-color: black;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
  position: relative;
}
#header h1 {
  margin: 0;
  font-size: 20px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.back-button {
  background: none;
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
}

/* GALLERY GRID */
.gallery {
	width: min(1600px, 100%);
	margin: auto;
	padding: 24px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 28px;
	align-items: center;
}

.gallery-card {
	cursor: pointer;
	transition:	transform var(--transition), opacity var(--transition);
}

.gallery-card:hover {
	transform: translateY(-5px) scale(1.01);
}

.gallery-frame {
	overflow: hidden;
	border: var(--frame-size) solid transparent;
	border-image: url("/Assets/Art/Images/Frame/Frame_Front.png") 100 round;
	background: black;
}

.gallery-image {
	width: 100%;
	display: block;
}

.gallery-info {
	text-align: center;
	padding-top: 12px;
}

.gallery-title {
	font-size: 1rem;
	margin-bottom: 4px;
}

.gallery-date {
	opacity: 0.7;
	font-size: 0.9rem;
}

/* VIEWER */

.viewer {
	position: fixed;
	inset: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 32px;
	background: rgba(0,0,0,0);
	opacity: 0;
	pointer-events: none;
	transition: background var(--transition), opacity var(--transition);
	z-index: 67;
}

.viewer.active {
	background: rgba(0,0,0,0.85);
	opacity: 1;
	pointer-events: all;
}

.viewer-card {
	/*width: min(1000px, 95vw);*/
	perspective: 2000px;
}

.viewer-inner {
	position: relative;
	transform-style: preserve-3d;
	transition: transform 0.8s ease;
}

.viewer-inner.flipped {
	transform: rotateY(180deg);
}

.viewer-side {
	width: 100%;
	backface-visibility: hidden;
}

/* FRONT */

.viewer-front {
	border: var(--frame-size) solid transparent;
	border-image: url("/Assets/Art/Images/Frame/Frame_Front.png") 100 round;
	background: black;
}

.viewer-front img {
	width: 100%;
	max-height: 82vh;
	object-fit: contain;
	display: block;
}

/* BACK */

.viewer-back {
	position: absolute;
	inset: 0;
	transform: rotateY(180deg);
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 40px;
	background: linear-gradient(145deg, #9b6537, #6d4019);
	border: 12px solid #4a2509;
	overflow-y: auto;
}

.viewer-back h2 {
	margin-top: 0;
	font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.viewer-back-date {
	opacity: 0.7;
	margin-bottom: 24px;
}

.viewer-back p {
	line-height: 1.7;
}

/* BUTTONS */

.viewer-controls {
	display: flex;
	justify-content: center;
	gap: 12px;
	margin-top: 18px;
}

.viewer-btn {
	border: none;
	padding: 14px 20px;
	border-radius: 999px;
	background: rgba(255,255,255,0.15);
	color: white;
	cursor: pointer;
	transition: background var(--transition), transform var(--transition);
}

.viewer-btn:hover {
	background: rgba(255,255,255,0.25);
	transform: translateY(-2px);
}

/* MOBILE */

@media (max-width: 700px) {
	.gallery {
		padding: 16px;
		gap: 20px;
	}

	.viewer {
		padding: 16px;
	}

	.viewer-back {
		padding: 24px;
	}

	.viewer-controls {
		flex-wrap: wrap;
	}

	.viewer-btn {
		flex: 1;
	}
}