:root {
	color-scheme: light;
	--bg: #fff8f1;
	--fg: #23162e;
	--muted: #75667f;
	--accent: #7b3fe4;
	--border: #eadff0;
	--danger: #c2264b;
	--radius: 16px;
	--space: 1rem;
	--font: "Nunito", ui-rounded, sans-serif;
}

h1, h2, h3, .logo { font-family: "Fredoka", var(--font); }
.landing { min-height: 100vh; display: grid; gap: 2rem; padding: 2rem 1rem; max-width: 76rem; margin: 0 auto; align-items: center;
	background: radial-gradient(circle at 10% 10%, #ffd9a8 0, transparent 40%), radial-gradient(circle at 90% 80%, #e2ccff 0, transparent 45%); }
@media (min-width: 52rem) { .landing { grid-template-columns: 1.2fr 1fr; padding: 3rem 2rem; } }
.landing h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.05; }
.logo { font-weight: 600; font-size: 1.2rem; color: var(--accent); }
.demo { display: grid; gap: .5rem; max-width: 26rem; margin-top: 1.5rem; }
.auth { background: #fff; box-shadow: 0 20px 50px -20px #7b3fe455; padding: 1.5rem; }
.auth h2 { margin-top: 0; }
.wide { width: 100%; justify-content: center; margin: .5rem 0; }
.between { justify-content: space-between; }
.small { font-size: .85rem; }
.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.grow { flex: 1; min-width: 0; width: auto; }
.btn:disabled { opacity: .6; }
.app { display: grid; height: 100vh; height: 100dvh; }
@media (min-width: 52rem) { .app { grid-template-columns: 22rem 1fr; } }
.side { overflow-y: auto; padding: 1rem; background: #f6ecff; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: .6rem; }
.side h3 { margin: .8rem 0 0; font-size: 1rem; }
.side-head { display: flex; justify-content: space-between; align-items: center; }
.main { min-height: 0; display: flex; flex-direction: column; }
@media (max-width: 51.99rem) { .app.has-active .side { display: none; } .app:not(.has-active) .main { display: none; } }
@media (min-width: 52rem) { .back { display: none !important; } }
.placeholder { margin: auto; }
.code { font-family: ui-monospace, monospace; font-weight: 700; color: var(--accent); letter-spacing: .1em; }
.list-item { background: #fff; }
.picker { background: #fff; }
.person { display: flex; align-items: center; gap: .6rem; width: 100%; padding: .55rem .6rem; border: 1px solid var(--border); border-radius: 14px;
	background: #fff; font: inherit; color: inherit; cursor: pointer; text-align: left; }
.person.on { border-color: var(--accent); background: #efe4ff; }
.chat-text { display: grid; min-width: 0; }
.chat-text .hint { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.avatar { flex: none; width: 2.2rem; height: 2.2rem; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700;
	background: linear-gradient(135deg, #ff8a5b, #7b3fe4); }
.room { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.room-head { display: flex; align-items: center; gap: .6rem; padding: .7rem 1rem; border-bottom: 1px solid var(--border); background: #fff; }
.messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .45rem; }
.bubble { max-width: 78%; padding: .5rem .8rem; border-radius: 18px; display: grid; gap: .2rem; word-wrap: break-word; }
.bubble.them { background: #fff; border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 4px; }
.bubble.me { background: var(--accent); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.bubble small { font-size: .7rem; opacity: .7; }
.bubble img { max-width: 100%; max-height: 18rem; border-radius: 12px; object-fit: cover; }
.composer { display: flex; gap: .4rem; padding: .6rem; border-top: 1px solid var(--border); background: #fff; align-items: center; }
.icon-btn { flex: none; width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border: 0; border-radius: 50%;
	background: #f3eaff; cursor: pointer; font-size: 1.15rem; }
.emojis { display: flex; flex-wrap: wrap; gap: .2rem; padding: .5rem; background: #fff; border-top: 1px solid var(--border); }
.emojis button { border: 0; background: none; font-size: 1.5rem; cursor: pointer; padding: .2rem; }
.send { flex: none; }

* {
	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;
	}
}

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