: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;
	}
}

:root{--accent:#e8436f}
.app{min-height:100vh}.content{max-width:36rem;margin:0 auto;padding:1rem 1rem 6rem}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.6rem 1rem;background:var(--bg);border-bottom:1px solid var(--border)}
.logo{border:0;background:none;color:var(--fg);font:800 1.4rem var(--font);cursor:pointer;letter-spacing:-.03em}.logo span{color:var(--accent)}.logo.big{font-size:2.6rem}
.tabs{display:flex;gap:.25rem}.tab{display:flex;flex-direction:column;align-items:center;border:0;background:none;color:var(--muted);font:inherit;font-size:.72rem;padding:.3rem .5rem;border-radius:8px;cursor:pointer}
.tab.on{color:var(--accent)}.tab-icon{font-size:1.2rem}
@media(max-width:40rem){.tabs{position:fixed;bottom:0;left:0;right:0;justify-content:space-around;background:var(--bg);border-top:1px solid var(--border);padding:.3rem}}
.auth{display:grid;gap:1.5rem;max-width:26rem;margin:0 auto;padding:3rem 1rem}.auth-card .btn.wide,.wide{width:100%;justify-content:center}
.link{border:0;background:none;color:var(--accent);font:inherit;cursor:pointer;margin-top:.75rem}
.avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:50%;color:#fff;font-weight:700}
.user-link{display:flex;align-items:center;gap:.6rem;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;padding:0;min-width:0}
.chip{border:1px solid var(--border);background:none;color:var(--fg);border-radius:999px;padding:.25rem .7rem;font:inherit;font-size:.85rem;cursor:pointer}
.between{justify-content:space-between}.small{font-size:.82rem}.block{display:block}.center{text-align:center}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.composer{display:grid;gap:.75rem}.composer-preview{display:grid;gap:.5rem;justify-items:start}.composer-preview img,.composer-preview video{max-width:100%;max-height:320px;border-radius:var(--radius)}
.post{padding:0;overflow:hidden}.post-head{display:flex;justify-content:space-between;align-items:center;padding:.75rem}
.post-media img,.post-media video{display:block;width:100%;max-height:600px;object-fit:cover;background:#000}
.post-actions{display:flex;gap:.5rem;padding:.5rem .75rem 0}.act{border:0;background:none;color:var(--fg);font:inherit;font-size:1.15rem;cursor:pointer}.act.liked{color:var(--accent)}
.caption,.comments{margin:0;padding:.4rem .75rem .75rem}.comment{margin:.3rem 0}
.comment-form{display:flex;gap:.5rem;margin-top:.5rem}.btn:disabled{opacity:.55;cursor:default}
.profile-head{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-start}.stack.tight{gap:.35rem;flex:1;min-width:12rem}.bio{margin:0;white-space:pre-wrap}
.convo{width:100%;background:none;color:inherit;font:inherit;cursor:pointer;flex-wrap:nowrap;justify-content:flex-start;text-align:left}.convo-text{flex:1;min-width:0}
.thread{display:grid;gap:.75rem}.bubbles{display:flex;flex-direction:column;gap:.4rem;min-height:40vh;max-height:60vh;overflow-y:auto}
.bubble{align-self:flex-start;max-width:80%;padding:.5rem .8rem;border-radius:16px;background:var(--border);overflow-wrap:anywhere}.bubble.mine{align-self:flex-end;background:var(--accent);color:#fff}
.time{display:block;font-size:.7rem;opacity:.7}.saved{color:#16a34a;margin:0}
.toggle{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:1rem;cursor:pointer}.on{}
.read-receipt { align-self: flex-end; font-size: 0.75rem; opacity: 0.65; margin-top: -2px; }
.call-starts { margin-left: auto; gap: 6px; flex-wrap: wrap; }
.call-layer { position: fixed; inset: 0; z-index: 100; background: #111827f2; color: #fff; display: flex; flex-direction: column;
	align-items: center; justify-content: center; gap: 24px; padding: 24px; }
.call-videos { position: relative; width: 100%; max-width: 720px; flex: 1; min-height: 0; }
.call-remote { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; background: #000; }
.call-local { position: absolute; right: 12px; bottom: 12px; width: 28%; max-width: 160px; border-radius: 10px; border: 2px solid #fff; background: #000; }
.call-info { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.call-name { font-size: 1.3rem; }
.call-status { opacity: 0.75; }
.call-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.call-btn { border: 0; border-radius: 999px; padding: 14px 22px; font-weight: 600; background: #374151; color: #fff; cursor: pointer; }
.call-btn.accept { background: #16a34a; }
.call-btn.decline { background: #dc2626; }
.call-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #111827; color: #fff;
	padding: 10px 16px; border-radius: 999px; z-index: 100; max-width: 90vw; }

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