: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;
	}
}

/* App layout */
h2 { margin: 0.5rem 0 0; font-size: 1.2rem; }
h3 { margin: 0 0 0.25rem; }
.btn-danger { background: var(--danger); color: #fff; }
.btn.sm { padding: 0.3rem 0.6rem; font-size: 0.85rem; }
.btn.wide { width: 100%; justify-content: center; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--accent); }

.landing { display: grid; gap: 2rem; max-width: 64rem; margin: 0 auto; padding: 2rem 1rem; align-items: center; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); margin-top: 0.75rem; }
.plan-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.plan-mini { flex: 1 1 8rem; padding: 0.7rem; border: 1px solid var(--border); border-radius: var(--radius); }
.auth { display: grid; gap: 0.25rem; width: 100%; max-width: 26rem; justify-self: center; }
.auth-links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; font-size: 0.9rem; }
@media (min-width: 56rem) { .landing { grid-template-columns: 1.2fr 1fr; min-height: 100vh; } }

.app { min-height: 100vh; }
.side { position: fixed; inset: 0 auto 0 0; width: 16rem; max-width: 85vw; background: var(--bg); border-right: 1px solid var(--border);
	padding: 1rem; overflow-y: auto; transform: translateX(-100%); transition: transform 0.2s; z-index: 20; }
.side.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,0.25); }
.side nav { display: grid; gap: 2px; margin-top: 1rem; }
.nav { display: flex; gap: 0.6rem; align-items: center; width: 100%; text-align: left; padding: 0.5rem 0.6rem; border: 0;
	border-radius: var(--radius); background: none; color: var(--fg); font: inherit; font-size: 0.92rem; cursor: pointer; }
.nav:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.nav.active { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); font-weight: 600; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 1rem; border-bottom: 1px solid var(--border);
	position: sticky; top: 0; background: var(--bg); z-index: 10; }
.topbar .hint { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.85rem; }
.content { padding: 1rem; max-width: 72rem; margin: 0 auto; }
@media (min-width: 60rem) {
	.side { transform: none; }
	.main { margin-left: 16rem; }
	.menu-btn { display: none; }
	.content { padding: 1.5rem 2rem; }
}

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.kpis { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(min(10rem, 100%), 1fr)); }
.kpi { padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); display: grid; gap: 0.2rem; }
.kpi small { color: var(--muted); }
.kpi b { font-size: 1.35rem; }
.pos { color: #12a150; }
.neg { color: var(--danger); }
.months { display: grid; gap: 0.4rem; margin-top: 0.5rem; }
.month { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: space-between; padding: 0.4rem 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.tips { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.tiles { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fill, minmax(min(9.5rem, 100%), 1fr)); }
.tile { display: grid; gap: 0.25rem; justify-items: start; text-align: left; padding: 0.9rem; border: 1px solid var(--border);
	border-radius: var(--radius); background: var(--bg); color: var(--fg); font: inherit; cursor: pointer; }
.tile:hover { border-color: var(--accent); }
.tile small { color: var(--muted); }
.tile-ico { font-size: 1.4rem; }

.form-grid { display: grid; gap: 0 1rem; grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr)); }
.form-grid > * { min-width: 0; }
.full { grid-column: 1 / -1; }
.rec-list { display: grid; gap: 0.6rem; }
.rec { display: grid; gap: 0.5rem 1rem; padding: 0.85rem; border: 1px solid var(--border); border-radius: var(--radius);
	grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr)); align-items: start; }
.rec-title { grid-column: 1 / -1; font-weight: 600; }
.rec-cell { display: grid; min-width: 0; overflow-wrap: anywhere; }
.rec-cell small { color: var(--muted); font-size: 0.75rem; }
.rec-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.bar { display: inline-flex; align-items: center; gap: 0.4rem; }
.bar i { display: inline-block; height: 6px; width: 0; max-width: 5rem; background: var(--accent); border-radius: 3px; }
.score { font-weight: 700; color: var(--accent); }
.plan ul { padding-left: 1.1rem; }
.plan.current { border-color: var(--accent); }
.price { font-size: 1.3rem; font-weight: 700; margin: 0.25rem 0; }

/* Inner screens: unified modern finish */
.plan-mini { display: grid; gap: 0.2rem; background: color-mix(in srgb, var(--accent) 5%, var(--bg)); }
.plan-mini span { font-size: 0.85rem; color: var(--muted); }
.app { background: color-mix(in srgb, var(--accent) 3%, var(--bg)); }
.side { background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 7%, var(--bg)), var(--bg)); }
.side .brand { padding: 0.25rem 0.6rem 0.75rem; border-bottom: 1px solid var(--border); }
.nav { padding: 0.6rem 0.7rem; transition: background 0.15s, color 0.15s; }
.nav.active { box-shadow: inset 3px 0 0 var(--accent); }
.topbar { backdrop-filter: blur(8px); background: color-mix(in srgb, var(--bg) 88%, transparent); }
.menu-btn { font-size: 1.2rem; line-height: 1; padding: 0.4rem 0.65rem; }
.page-head h1 { margin: 0; font-size: clamp(1.4rem, 3.5vw, 1.9rem); letter-spacing: -0.01em; }
.page-head .hint { margin: 0.25rem 0 0; }
.kpi, .tile, .rec, .content .card { background: var(--bg); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 4px 14px rgba(15, 23, 42, 0.04); }
.kpi { position: relative; overflow: hidden; padding: 1.1rem 1.1rem 1rem; }
.kpi::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--accent); opacity: 0.7; }
.kpi small { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.kpi b { font-size: clamp(1.25rem, 3vw, 1.6rem); font-variant-numeric: tabular-nums; }
.tile { padding: 1rem; transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s; }
.tile:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08); }
.tile-ico { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 0.6rem;
	background: color-mix(in srgb, var(--accent) 12%, transparent); font-size: 1.25rem; margin-bottom: 0.25rem; }
.rec { padding: 1rem; transition: border-color 0.15s; }
.rec:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.rec-title { font-size: 1.02rem; }
.rec-actions { padding-top: 0.5rem; border-top: 1px dashed var(--border); align-items: center; }
.form-grid { padding: 1.25rem; border-top: 3px solid var(--accent); }
.form-grid .field label { font-weight: 600; font-size: 0.88rem; }
.bar i { height: 8px; }
.month span:nth-of-type(1) { color: #12a150; }
.month span:nth-of-type(2) { color: var(--danger); }
.admin { max-width: 56rem; }
.scrim { position: fixed; inset: 0; z-index: 15; border: 0; background: rgba(15, 23, 42, 0.4); cursor: pointer; }
@media (min-width: 60rem) { .scrim { display: none; } }
.admin-plan { width: auto; min-width: 8rem; }

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