:root {
	color-scheme: light dark;
	--bg: #ffffff;
	--fg: #0b0d12;
	--muted: #5b6472;
	--accent: #2f6df6;
	--border: #e4e7ec;
	--danger: #b42318;
	--radius: 10px;
	--space: 1rem;
	--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0b0d12;
		--fg: #f4f6fa;
		--muted: #9aa4b2;
		--accent: #6f9bff;
		--border: #232833;
		--danger: #ff9a8f;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font-family: var(--font);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

.shell {
	max-width: 42rem;
	margin: 0 auto;
	padding: calc(var(--space) * 3) var(--space);
}

h1 {
	margin: 0 0 0.5rem;
	font-size: clamp(1.6rem, 4vw, 2.25rem);
	letter-spacing: -0.02em;
}

.lede {
	margin: 0 0 0.75rem;
	font-size: 1.05rem;
}

.hint {
	margin: 0;
	color: var(--muted);
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.55rem 0.9rem;
	border: 1px solid transparent;
	border-radius: var(--radius);
	background: var(--accent);
	color: #fff;
	font: inherit;
	font-weight: 500;
	cursor: pointer;
}

.btn:hover {
	filter: brightness(1.05);
}

.btn-secondary {
	background: transparent;
	color: var(--fg);
	border-color: var(--border);
}

.card {
	padding: var(--space);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--bg);
}

.input,
.select,
.textarea {
	width: 100%;
	padding: 0.55rem 0.7rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--bg);
	color: var(--fg);
	font: inherit;
}

.field {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 0.35rem;
	margin-bottom: var(--space);
}

.field > label {
	font-size: 0.875rem;
	color: var(--muted);
}

/*
 * 390px-safe, like .grid below. A grid with no column list gets one implicit
 * auto column, and an auto column is never narrower than its widest item's
 * min-content width. One nowrap scrolling strip (days, time slots) anywhere
 * inside an item therefore widened the whole column past the screen: the page
 * scrolled sideways instead of the strip scrolling on its own. minmax(0, 1fr)
 * caps the column at the container; the min-width rule keeps a child from
 * bringing the same floor back if an app redefines the columns. :where() adds
 * no specificity, so a min-width the app sets on a child still wins.
 */
.stack {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--space);
}

:where(.field, .stack, .list) > * {
	min-width: 0;
}

.row {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex-wrap: wrap;
}

/*
 * 390px-safe. An unclamped minmax track overflows a 390px viewport once the
 * shell padding is subtracted, and nothing in the pipeline ever looked at a
 * phone-width layout, so every generated app inherited the horizontal scroll.
 * min() clamps the track to the container instead.
 */
.grid {
	display: grid;
	gap: var(--space);
	grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
}

.list {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 0.5rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.list-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	flex-wrap: wrap;
	padding: 0.7rem 0.85rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.table {
	width: 100%;
	border-collapse: collapse;
}

.table th,
.table td {
	padding: 0.6rem 0.5rem;
	text-align: left;
	border-bottom: 1px solid var(--border);
}

.table th {
	font-size: 0.8125rem;
	color: var(--muted);
	font-weight: 600;
}

.empty {
	padding: calc(var(--space) * 2);
	text-align: center;
	color: var(--muted);
}

.empty-title {
	margin: 0 0 0.25rem;
	color: var(--fg);
	font-weight: 600;
}

/* Loading. Every fetch has one; without a primitive each app invented its own. */
.loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	padding: calc(var(--space) * 1.5);
	color: var(--muted);
}

.spinner {
	flex: none;
	width: 1.15rem;
	height: 1.15rem;
	border: 2px solid var(--border);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: fab-spin 0.7s linear infinite;
}

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

/* Placeholder for content whose shape is known before its data arrives. */
.skeleton {
	display: block;
	height: 1rem;
	border-radius: calc(var(--radius) / 2);
	background: linear-gradient(90deg, var(--border), transparent, var(--border));
	background-size: 200% 100%;
	animation: fab-shimmer 1.2s linear infinite;
}

@keyframes fab-shimmer {
	to {
		background-position: -200% 0;
	}
}

/* Error strip: a failure the user can see and retry, never a silent no-op. */
.alert {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	flex-wrap: wrap;
	padding: 0.7rem 0.85rem;
	border: 1px solid var(--border);
	border-left: 3px solid var(--muted);
	border-radius: var(--radius);
}

.alert-error {
	border-left-color: var(--danger);
	color: var(--danger);
}

.badge {
	display: inline-block;
	padding: 0.1rem 0.5rem;
	border: 1px solid var(--border);
	border-radius: 999px;
	font-size: 0.8125rem;
	color: var(--muted);
}

/*
 * The scaffold had exactly one @media rule (prefers-color-scheme) and no width
 * breakpoint at all, so the shell was a 42rem column at every size.
 * Mobile-first stays the default; these only widen it.
 */
@media (min-width: 48rem) {
	.shell {
		max-width: 52rem;
		padding: calc(var(--space) * 3) calc(var(--space) * 1.5);
	}
}

@media (min-width: 64rem) {
	.shell {
		max-width: 64rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.spinner,
	.skeleton {
		animation: none;
	}
}

/* Workshop Iron Man theme */
:root {
	color-scheme: dark;
	--bg: #0d0f13;
	--fg: #eef2f6;
	--muted: #93a0b0;
	--accent: #c8102e;
	--gold: #f2b134;
	--arc: #5ee7ff;
	--border: #2a313c;
	--danger: #ff8a7a;
}
body {
	background:
		radial-gradient(circle at 80% -10%, rgba(94, 231, 255, 0.12), transparent 40%),
		repeating-linear-gradient(0deg, transparent 0 39px, rgba(94, 231, 255, 0.04) 39px 40px),
		repeating-linear-gradient(90deg, transparent 0 39px, rgba(94, 231, 255, 0.04) 39px 40px),
		#0d0f13;
	color: var(--fg);
}
.layout { display: flex; flex-direction: column; min-height: 100vh; }
.side {
	background: linear-gradient(180deg, #1a1d23, #121418);
	border-bottom: 2px solid var(--gold);
	padding: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-name { font-weight: 800; letter-spacing: 0.02em; color: var(--gold); text-transform: uppercase; font-size: 1.05rem; }
.brand-sub { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; }
.reactor {
	width: 42px; height: 42px; border-radius: 50%; flex: none;
	background: radial-gradient(circle, #fff 0 18%, var(--arc) 30%, #0a5a6b 60%, #222 64%);
	box-shadow: 0 0 18px var(--arc);
	animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 30px var(--arc); } }
.menu-toggle { margin-left: auto; background: none; border: 1px solid var(--border); color: var(--fg); border-radius: 8px; padding: 0.3rem 0.6rem; font-size: 1.2rem; }
.nav { display: none; flex-direction: column; gap: 0.4rem; margin-top: 1rem; }
.side.open .nav { display: flex; }
.nav-btn {
	display: flex; align-items: center; gap: 0.75rem; width: 100%;
	padding: 0.75rem 1rem; border: 1px solid var(--border); border-radius: 8px;
	background: #181b21; color: var(--fg); font: inherit; font-weight: 600; text-align: left; cursor: pointer;
	text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.85rem;
}
.nav-btn:hover { border-color: var(--gold); }
.nav-btn.active { background: linear-gradient(90deg, var(--accent), #8a0b20); border-color: var(--gold); box-shadow: 0 0 12px rgba(200, 16, 46, 0.5); }
.nav-icon { color: var(--arc); width: 1.2rem; text-align: center; }
.owner-tag { margin-top: 1rem; color: var(--gold); font-size: 0.8rem; border: 1px dashed var(--gold); border-radius: 8px; padding: 0.4rem; text-align: center; }
.main { flex: 1; padding: 1.25rem; max-width: 60rem; width: 100%; min-width: 0; }
@media (min-width: 48rem) {
	.layout { flex-direction: row; }
	.side { width: 250px; flex: none; border-bottom: 0; border-right: 2px solid var(--gold); min-height: 100vh; position: sticky; top: 0; height: 100vh; }
	.menu-toggle { display: none; }
	.nav { display: flex; }
	.main { padding: 2.5rem; }
}
.hero {
	padding: 2rem 1.25rem; border-radius: 12px; margin-bottom: 1rem;
	background: linear-gradient(135deg, #8a0b20, #c8102e 55%, #f2b134);
	box-shadow: inset 0 0 0 1px rgba(255,255,255,0.15);
}
.hero h1 { font-size: clamp(1.8rem, 6vw, 3rem); text-transform: uppercase; overflow-wrap: anywhere; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.75rem; color: #ffe6b0; }
.title { color: var(--gold); text-transform: uppercase; letter-spacing: 0.05em; }
.panel {
	background: rgba(24, 27, 33, 0.9); border: 1px solid var(--border); border-top: 3px solid var(--accent);
	border-radius: 10px; padding: 1.1rem; margin-bottom: 1rem;
}
.panel h2 { margin: 0; font-size: 1.15rem; }
.narrow { max-width: 28rem; }
.desc { white-space: pre-wrap; font-size: 1.05rem; margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn.small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn.like.on { background: var(--gold); color: #1a1205; }
.upload { justify-content: center; }
.link { background: none; border: 0; color: var(--arc); cursor: pointer; font: inherit; padding: 0; }
textarea.input { resize: vertical; }
.frame { position: relative; aspect-ratio: 16 / 9; background: #000; border-radius: 8px; overflow: hidden; margin-bottom: 0.75rem; }
.frame iframe, .frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video h2 { margin-bottom: 0.4rem; }
.comments { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 0.75rem; display: grid; gap: 0.6rem; }
.comments h3 { margin: 0; font-size: 0.95rem; color: var(--arc); }
.comments form .input { flex: 1; min-width: 0; }
.comment { background: #12151a; border-radius: 8px; padding: 0.5rem 0.75rem; }
.comment strong { color: var(--gold); font-size: 0.85rem; }
.comment p { margin: 0.2rem 0 0; overflow-wrap: anywhere; }
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(14rem, 100%), 1fr)); }
.photo { margin: 0; background: #181b21; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.photo figcaption { padding: 0.5rem 0.75rem; }
.photo .btn { margin: 0 0.75rem 0.75rem; }

:where(a, button, input, select, textarea):focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}