: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;
	}
}

/* Crew Chat */
:root { --accent: #7c3aed; --pop: #ff5ca8; --soft: rgba(124, 58, 237, 0.08); }
body { font-family: "Nunito", var(--font); }
.muted { color: var(--muted); }
.tiny { font-size: 0.78rem; }
.danger { color: var(--danger); }
.btn { background: var(--soft); color: var(--fg); border-color: var(--border); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--pop)); color: #fff; border: 0; }
.btn-danger { background: var(--danger); color: #fff; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.sm { padding: 0.3rem 0.6rem; font-size: 0.82rem; }
.join { min-height: 100vh; display: grid; place-items: center; padding: 1rem;
	background: radial-gradient(circle at 20% 10%, #c4b5fd55, transparent 50%), radial-gradient(circle at 80% 90%, #ff5ca855, transparent 50%); }
.join-card { width: 100%; max-width: 24rem; text-align: center; padding: 2rem 1.5rem; border-radius: 24px; background: var(--bg);
	box-shadow: 0 20px 60px rgba(124, 58, 237, 0.2); }
.logo { font-size: 3rem; }
.code-input { text-align: center; font-size: 1.3rem; letter-spacing: 0.1em; padding: 0.8rem; }
.avatar { display: inline-grid; place-items: center; flex: none; border-radius: 50%; color: #fff; font-weight: 800; object-fit: cover; }
.avatar.group { width: 36px; height: 36px; background: var(--soft); }
.app { display: flex; height: 100vh; height: 100dvh; overflow: hidden; }
.side { width: 16rem; flex: none; padding: 1rem; border-right: 1px solid var(--border); overflow-y: auto; background: var(--soft); }
.me { display: flex; gap: 0.6rem; align-items: center; width: 100%; padding: 0.5rem; margin-bottom: 1rem; border: 0; border-radius: 12px;
	background: var(--bg); color: var(--fg); font: inherit; cursor: pointer; text-align: left; }
.me span { display: grid; text-transform: capitalize; }
.side .stack { gap: 0.25rem; }
.chan { display: flex; gap: 0.5rem; align-items: center; padding: 0.5rem 0.6rem; border: 0; border-radius: 10px; background: none;
	color: var(--fg); font: inherit; text-align: left; cursor: pointer; }
.chan:hover { background: var(--soft); }
.chan.on { background: var(--accent); color: #fff; }
.label { margin: 0.8rem 0 0.2rem 0.4rem; text-transform: uppercase; letter-spacing: 0.06em; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }
.menu-btn { display: none; }
.chat { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.chat-head { display: flex; gap: 0.6rem; align-items: center; padding: 0.75rem 1rem 0.75rem 3.5rem; border-bottom: 1px solid var(--border); }
.messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.msg { display: flex; gap: 0.5rem; align-items: flex-end; max-width: 85%; }
.msg.mine { flex-direction: row-reverse; align-self: flex-end; }
.bubble { padding: 0.45rem 0.75rem; border-radius: 16px; background: var(--soft); min-width: 0; overflow-wrap: anywhere; }
.mine .bubble { background: linear-gradient(135deg, var(--accent), var(--pop)); color: #fff; }
.who { opacity: 0.7; }
.shared { display: block; max-width: 100%; max-height: 260px; border-radius: 10px; margin-top: 0.3rem; }
.composer { display: flex; gap: 0.4rem; padding: 0.6rem; border-top: 1px solid var(--border); align-items: center; }
.icon-btn { flex: none; display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border: 0; border-radius: 50%;
	background: var(--soft); font-size: 1.15rem; cursor: pointer; color: var(--fg); }
.emoji-tray { display: flex; flex-wrap: wrap; gap: 0.2rem; padding: 0.5rem; border-top: 1px solid var(--border); }
.emoji { border: 0; background: none; font-size: 1.4rem; cursor: pointer; padding: 0.2rem; border-radius: 8px; }
.emoji:hover { background: var(--soft); }
.modal { position: fixed; inset: 0; display: grid; place-items: center; padding: 1rem; background: rgba(0, 0, 0, 0.45); z-index: 20; }
.modal-card { width: 100%; max-width: 24rem; padding: 1.5rem; border-radius: 20px; background: var(--bg); }
.modal-card h2, .admin h2, .admin h3 { margin: 0; }
.admin { overflow-y: auto; padding: 1rem 1rem 2rem 3.5rem; display: grid; gap: 1rem; align-content: start; }
.member-row { display: grid; gap: 0.4rem; padding: 0.6rem 0; border-top: 1px solid var(--border); }
.wrap { flex-wrap: wrap; }
.row.wrap .input { width: auto; flex: 1 1 8rem; }
.dm-line { padding: 0.3rem 0; border-bottom: 1px dashed var(--border); overflow-wrap: anywhere; }
.menu-btn { position: absolute; top: 0.7rem; left: 0.7rem; z-index: 5; width: 2.3rem; height: 2.3rem; border: 0; border-radius: 10px;
	background: var(--soft); color: var(--fg); font-size: 1.1rem; cursor: pointer; }
@media (min-width: 48rem) {
	.menu-btn { display: none !important; }
	.chat-head { padding-left: 1rem; }
	.admin { padding-left: 1rem; }
}
@media (max-width: 47.99rem) {
	.menu-btn { display: block; }
	.side { position: fixed; inset: 0 auto 0 0; z-index: 10; background: var(--bg); transform: translateX(-100%); transition: transform 0.2s;
		box-shadow: 0 0 40px rgba(0, 0, 0, 0.2); width: 80%; max-width: 18rem; }
	.side.open { transform: none; }
}

.call-btns { margin-left: auto; display: flex; gap: 6px; }
.call-banner { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-wrap: wrap; align-items: center;
	gap: 10px; padding: 10px 14px; border-radius: 16px; background: #1e1b2e; color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.3); width: min(560px, calc(100% - 24px)); }
.call-banner span:not(.ring-dot) { flex: 1; min-width: 140px; }
.call-banner.warn { background: #7a2232; }
.ring-dot { font-size: 22px; animation: ring 1s infinite; }
@keyframes ring { 50% { transform: rotate(-15deg) scale(1.1); } }
.call-screen { position: fixed; inset: 0; z-index: 70; background: #0f0d18; color: #fff; display: flex; flex-direction: column; padding: 14px; gap: 12px; }
.call-top { display: flex; justify-content: space-between; align-items: center; }
.tiles { flex: 1; display: grid; gap: 10px; grid-template-columns: 1fr; min-height: 0; }
.tiles.n2, .tiles.n3, .tiles.n4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.tile { position: relative; background: #24203a; border-radius: 18px; overflow: hidden; min-height: 140px; }
.tile video { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.tile video.mirror { transform: scaleX(-1); }
.tile-face { position: absolute; inset: 0; display: grid; place-items: center; font-size: 48px; font-weight: 700; }
.tile-name { position: absolute; left: 10px; bottom: 8px; background: rgba(0,0,0,.5); padding: 2px 10px; border-radius: 99px; font-size: 13px; }
.call-wait { text-align: center; opacity: .7; margin: 0; }
.call-controls { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.round { display: flex; flex-direction: column; align-items: center; gap: 4px; background: #2f2a48; color: #fff; border: 0; border-radius: 20px;
	padding: 12px 16px; font-size: 22px; cursor: pointer; min-width: 84px; }
.round span { font-size: 12px; }
.round.off { background: #fff; color: #1e1b2e; }
.round.hang { background: #e5484d; }
:where(a, button, input, select, textarea):focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}