: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 { color-scheme: dark; --bg:#0d1117; --fg:#eef2f6; --muted:#8b98a8; --accent:#22c55e; --border:#232b36; --radius:14px; }
body { background: radial-gradient(circle at 50% 0, #15202b, #0a0d12 70%); min-height: 100vh; }
.app { max-width: 480px; margin: 0 auto; min-height: 100vh; position: relative; padding-bottom: 90px; }
.auth { display:grid; gap:.8rem; padding:3rem 1.25rem; text-align:center; }
.input { font-size:16px; min-height:48px; background:#111821; }
.btn { min-height:44px; justify-content:center; color:#04130a; font-weight:700; }
.btn.big { min-height:52px; font-size:1.05rem; }
.btn.sm { min-height:40px; padding:.3rem .8rem; }
.btn-secondary { color: var(--fg); }
.link { background:none; border:0; color:var(--accent); font:inherit; cursor:pointer; min-height:44px; }
.muted { color:var(--muted); }
.brand-mark { width:72px; height:72px; margin:0 auto; border-radius:22px; display:grid; place-items:center; background:var(--accent); color:#04130a; }
.top { display:flex; justify-content:space-between; align-items:center; padding:.75rem 1rem; }
.me { display:flex; align-items:center; gap:.5rem; font-weight:600; }
.avatar { position:relative; flex:none; width:44px; height:44px; border-radius:50%; display:grid; place-items:center; color:#fff; font-weight:700; }
.dot { position:absolute; right:0; bottom:0; width:12px; height:12px; border-radius:50%; background:#5b6472; border:2px solid var(--bg); }
.dot.on { background:var(--accent); }
.chip .dot { position:static; display:inline-block; margin-right:.3rem; }
.pane { padding:0 1rem; display:grid; gap:.8rem; }
.ulist { list-style:none; margin:0; padding:0; display:grid; gap:.5rem; }
.urow { display:flex; align-items:center; gap:.75rem; padding:.6rem; border-radius:var(--radius); background:#121a24; }
.uname { flex:1; min-width:0; display:grid; }
.uname small { color:var(--muted); }
.round { flex:none; width:44px; height:44px; border-radius:50%; border:0; display:grid; place-items:center; cursor:pointer; font:inherit; color:#fff; background:#2a3442; }
.round.green, .callbtn { background:var(--accent); color:#04130a; }
.round.red { background:#ef4444; }
.round.red svg { transform: rotate(135deg); }
.round.ghost { background:transparent; color:var(--muted); }
.round.xl { width:72px; height:72px; }
.round.light.active { background:#fff; color:#000; }
.keypad-screen { padding:0 1rem; display:grid; gap:.8rem; }
.display { min-height:96px; text-align:center; }
.typed { font-size:1.9rem; font-weight:700; word-break:break-all; }
.typed.ph { color:var(--muted); font-size:1.2rem; font-weight:400; }
.sugg { display:flex; flex-wrap:wrap; gap:.4rem; justify-content:center; margin-top:.4rem; }
.chip { min-height:36px; padding:.2rem .7rem; border-radius:999px; border:1px solid var(--border); background:#121a24; color:var(--fg); cursor:pointer; }
.keys { display:grid; grid-template-columns:repeat(6, 1fr); gap:.45rem; }
.key { min-height:48px; border-radius:12px; border:0; background:#1a2330; color:var(--fg); font:inherit; font-size:1.15rem; font-weight:600; cursor:pointer; }
.key:active { background:#2a3646; }
.key.ghost { background:transparent; }
.key-actions { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; justify-items:center; }
.callbtn { width:72px; height:72px; border-radius:50%; border:0; display:grid; place-items:center; cursor:pointer; }
.callbtn:disabled { opacity:.4; }
.tabbar { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px; display:flex; background:#0b1017; border-top:1px solid var(--border); padding-bottom:max(8px, env(safe-area-inset-bottom)); }
.tab { flex:1; min-height:60px; display:grid; place-items:center; gap:2px; border:0; background:none; color:var(--muted); font:inherit; font-size:.75rem; cursor:pointer; }
.tab.on { color:var(--accent); }
.callscreen { position:fixed; inset:0; z-index:10; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.5rem; background:linear-gradient(#0f3d2a, #0a0d12); }
.callscreen .avatar { width:120px; height:120px; font-size:3rem; }
.pulse { border-radius:50%; padding:8px; }
.pulse.ring { animation: ring 1.4s ease-out infinite; }
@keyframes ring { 0% { box-shadow:0 0 0 0 rgba(34,197,94,.6); } 100% { box-shadow:0 0 0 30px rgba(34,197,94,0); } }
.status { color:var(--muted); font-size:1.1rem; }
.call-actions { display:flex; gap:3rem; margin-top:3rem; }

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