:root {
	--glass-bg-opacity: 0.16;
	--glass-border-alpha: 0.28;
	--glass-blur: 18px;
	--glass-sat: 160%;
	--glass-bright: 115%;
	--glass-radius: 22px;
	--glass-tint-hue: 210;
	--glass-tint-alpha: 0.08;
	--glass-noise: 0.06;
	--glass-shadow-strength: 0.72;

	--ui-text: rgba(255, 255, 255, 0.92);
	--ui-muted: rgba(255, 255, 255, 0.7);
	--ui-border: rgba(255, 255, 255, 0.16);
	--ui-border-strong: rgba(255, 255, 255, 0.22);
	--ui-surface: rgba(0, 0, 0, 0.22);
	--ui-surface-2: rgba(0, 0, 0, 0.16);
	--ui-surface-3: rgba(0, 0, 0, 0.25);
	--ui-code-bg: rgba(0, 0, 0, 0.4);
}

html,
body {
	height: 100%;
}

body {
	margin: 0;
	background: #070a12;
	color: var(--ui-text);
}

body.theme-light {
	--ui-text: rgba(0, 0, 0, 0.88);
	--ui-muted: rgba(0, 0, 0, 0.62);
	--ui-border: rgba(0, 0, 0, 0.12);
	--ui-border-strong: rgba(0, 0, 0, 0.16);
	--ui-surface: rgba(255, 255, 255, 0.62);
	--ui-surface-2: rgba(255, 255, 255, 0.55);
	--ui-surface-3: rgba(255, 255, 255, 0.7);
	--ui-code-bg: rgba(255, 255, 255, 0.72);
	background: #eef2ff;
}

.app-bg {
	min-height: 100vh;
	width: 100%;
	background-image: none;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	position: relative;
}

.app-bg.bg-photo {
	background-image: url("https://images.unsplash.com/photo-1532767153582-b1a0e5145009?fm=jpg&q=60&w=3000&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
}

.app-bg.bg-gradient {
	background-image: radial-gradient(
			1200px 800px at 20% 10%,
			rgba(255, 0, 180, 0.22),
			transparent 55%
		),
		radial-gradient(
			900px 650px at 85% 25%,
			rgba(0, 200, 255, 0.22),
			transparent 60%
		),
		radial-gradient(
			900px 700px at 60% 95%,
			rgba(0, 255, 140, 0.16),
			transparent 60%
		),
		linear-gradient(180deg, rgba(6, 10, 20, 1), rgba(3, 6, 14, 1));
}

.app-bg.bg-dark {
	background-image: radial-gradient(
			1200px 700px at 15% 15%,
			rgba(255, 255, 255, 0.06),
			transparent 60%
		),
		radial-gradient(
			900px 600px at 85% 25%,
			rgba(255, 255, 255, 0.045),
			transparent 60%
		),
		linear-gradient(180deg, rgba(7, 10, 18, 1), rgba(5, 7, 12, 1));
}

.app-bg::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(
			180deg,
			rgba(0, 0, 0, 0.55),
			rgba(0, 0, 0, 0.12)
		),
		radial-gradient(
			1200px 600px at 15% 15%,
			rgba(0, 0, 0, 0.35),
			transparent 55%
		),
		radial-gradient(
			900px 500px at 85% 20%,
			rgba(0, 0, 0, 0.25),
			transparent 60%
		),
		radial-gradient(
			900px 700px at 60% 95%,
			rgba(0, 0, 0, 0.35),
			transparent 60%
		);
	pointer-events: none;
}

body.theme-light .app-bg::before {
	background: linear-gradient(
			180deg,
			rgba(255, 255, 255, 0.62),
			rgba(255, 255, 255, 0.22)
		),
		radial-gradient(
			1200px 600px at 15% 15%,
			rgba(255, 255, 255, 0.45),
			transparent 55%
		),
		radial-gradient(
			900px 500px at 85% 20%,
			rgba(255, 255, 255, 0.35),
			transparent 60%
		),
		radial-gradient(
			900px 700px at 60% 95%,
			rgba(255, 255, 255, 0.5),
			transparent 60%
		);
}

.app-bg > .container {
	position: relative;
}

.support-pill {
	font-size: 0.875rem;
	color: var(--ui-muted);
	padding: 0.35rem 0.65rem;
	border-radius: 999px;
	border: 1px solid var(--ui-border-strong);
	background: var(--ui-surface-3);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.theme-toggle {
	padding: 0.35rem 0.65rem;
	border-radius: 999px;
	border: 1px solid var(--ui-border-strong);
	background: var(--ui-surface-3);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	color: var(--ui-text);
}

.theme-toggle .form-check-label {
	font-size: 0.875rem;
	color: var(--ui-muted);
}

.preview-stage {
	border-radius: 28px;
	padding: 1.2rem;
	border: 1px solid var(--ui-border);
	background: var(--ui-surface-2);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.glass-card {
	position: relative;
	overflow: hidden;
	border-radius: var(--glass-radius);
	border: 1px solid rgba(255, 255, 255, var(--glass-border-alpha));
	background: linear-gradient(
			135deg,
			rgba(255, 255, 255, calc(var(--glass-bg-opacity) + 0.06)),
			rgba(255, 255, 255, calc(var(--glass-bg-opacity) - 0.02))
		),
		hsla(var(--glass-tint-hue) 100% 55% / var(--glass-tint-alpha));
	box-shadow: 0 18px 52px
			rgba(0, 0, 0, calc(0.42 * var(--glass-shadow-strength))),
		inset 0 1px 0 rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat))
		brightness(var(--glass-bright));
	-webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat))
		brightness(var(--glass-bright));
	color: var(--ui-text);
}

.glass-card::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(
		900px 420px at 15% 12%,
		rgba(255, 255, 255, 0.22),
		transparent 55%
	);
	pointer-events: none;
}

.glass-card::after {
	content: "";
	position: absolute;
	inset: 0;
	opacity: var(--glass-noise);
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
	background-size: 180px 180px;
	mix-blend-mode: overlay;
	pointer-events: none;
}

.glass-card__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
	padding: 1.15rem 1.15rem 0.25rem;
	position: relative;
	z-index: 1;
}

.glass-card__body {
	padding: 0.65rem 1.15rem 1.15rem;
	position: relative;
	z-index: 1;
}

.glass-center {
	min-height: 220px;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.25rem;
	position: relative;
	z-index: 1;
}

.glass-center__text {
	font-weight: 800;
	letter-spacing: 0.6px;
	text-transform: uppercase;
	font-size: clamp(1.15rem, 2.8vw, 1.8rem);
	color: var(--ui-text);
	text-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

body.theme-light .glass-center__text {
	text-shadow: none;
}

.glass-title {
	font-size: 1.05rem;
	font-weight: 700;
	letter-spacing: 0.2px;
	text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

body.theme-light .glass-title {
	text-shadow: none;
}

.glass-subtitle {
	font-size: 0.95rem;
	color: var(--ui-muted);
}

.glass-badge {
	font-size: 0.75rem;
	color: var(--ui-muted);
	border: 1px solid var(--ui-border-strong);
	border-radius: 999px;
	padding: 0.2rem 0.55rem;
	background: rgba(0, 0, 0, 0.14);
}

body.theme-light .glass-badge {
	background: rgba(255, 255, 255, 0.55);
}

.glass-list {
	margin: 0;
	padding-left: 1.15rem;
	color: var(--ui-muted);
}

.panel {
	border-radius: 22px;
	border: 1px solid var(--ui-border);
	background: var(--ui-surface);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	padding: 1rem;
	color: var(--ui-text);
}

.panel__title {
	font-weight: 700;
	margin-bottom: 0.75rem;
}

.panel__hr {
	border-color: var(--ui-border);
	opacity: 1;
}

.panel .form-label {
	font-size: 0.85rem;
	margin-bottom: 0.35rem;
	color: var(--ui-muted);
}

.panel .form-control {
	background: var(--ui-code-bg);
	border: 1px solid var(--ui-border);
	color: var(--ui-text);
}

.panel .form-control:focus {
	background: var(--ui-code-bg);
	border-color: var(--ui-border-strong);
	box-shadow: none;
	color: var(--ui-text);
}

.panel .form-control::placeholder {
	color: var(--ui-muted);
}

.codebox {
	width: 100%;
	border-radius: 14px;
	border: 1px solid var(--ui-border);
	background: var(--ui-code-bg);
	color: var(--ui-text);
	padding: 0.75rem;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
		"Liberation Mono", "Courier New", monospace;
	font-size: 0.82rem;
	line-height: 1.35;
	resize: vertical;
}

.chip {
	border: 1px solid var(--ui-border-strong);
	background: var(--ui-surface-2);
	color: var(--ui-text);
	border-radius: 999px;
	padding: 0.35rem 0.7rem;
	font-size: 0.85rem;
}

.chip.active {
	border-color: rgba(255, 255, 255, 0.4);
	background: rgba(255, 255, 255, 0.14);
}

body.theme-light .chip.active {
	border-color: rgba(0, 0, 0, 0.22);
	background: rgba(0, 0, 0, 0.06);
}

/* Make the Bootstrap light-outline buttons look good in light mode */
body.theme-light .btn-outline-light {
	color: rgba(0, 0, 0, 0.82);
	border-color: rgba(0, 0, 0, 0.22);
}

body.theme-light .btn-outline-light:hover {
	background: rgba(0, 0, 0, 0.06);
}

body.theme-light .btn-light {
	background: rgba(0, 0, 0, 0.06);
	border-color: rgba(0, 0, 0, 0.18);
	color: rgba(0, 0, 0, 0.85);
}

.app-title {
	color: var(--ui-text);
}

.app-subtitle {
	color: var(--ui-muted);
}

@media (max-width: 575.98px) {
	.preview-stage {
		padding: 0.9rem;
		border-radius: 22px;
	}

	.glass-card {
		border-radius: calc(var(--glass-radius) - 4px);
	}

	.glass-card__header {
		padding: 0.95rem 0.95rem 0.2rem;
		gap: 0.75rem;
	}

	.glass-card__body {
		padding: 0.55rem 0.95rem 0.95rem;
	}

	.panel {
		padding: 0.9rem;
		border-radius: 18px;
	}

	.codebox {
		font-size: 0.78rem;
	}

	.theme-toggle,
	.support-pill {
		font-size: 0.82rem;
	}
}

@media (max-width: 360px) {
	.glass-title {
		font-size: 1rem;
	}

	.glass-subtitle {
		font-size: 0.9rem;
	}
}

.mini {
	padding: 0.85rem;
	min-height: 110px;
	cursor: pointer;
}

.mini.active {
	outline: 2px solid rgba(255, 255, 255, 0.28);
	outline-offset: 2px;
}

body.theme-light .mini.active {
	outline-color: rgba(0, 0, 0, 0.18);
}

.codebox--settings {
	font-size: 0.78rem;
}

.mini .glass-title {
	font-size: 0.95rem;
}

.mini .glass-subtitle {
	font-size: 0.82rem;
}

/* Fallback when blur isn't supported (keeps it looking like iPhone-style “tinted glass”) */
body.no-backdrop .glass-card,
body.no-backdrop .preview-stage,
body.no-backdrop .panel,
body.no-backdrop .support-pill {
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
}

body.no-backdrop .glass-card {
	background: linear-gradient(
			135deg,
			rgba(255, 255, 255, 0.22),
			rgba(255, 255, 255, 0.12)
		),
		hsla(var(--glass-tint-hue) 100% 55% / 0.12);
}