/**
 * Family Trivia Night — front-end styles.
 *
 * Design direction: "retro game-show marquee." Deep quiz-night indigo,
 * marquee-bulb gold, teal for correct, coral for wrong. Everything is
 * scoped under .ftn-app so themes stay unaffected. System fonts only —
 * no external requests, no FOUT.
 */

.ftn-app {
	--ftn-night: #221c4e;
	--ftn-night-deep: #171242;
	--ftn-card: #2d2664;
	--ftn-gold: #ffc94a;
	--ftn-teal: #2ec4b6;
	--ftn-coral: #ff6b6b;
	--ftn-paper: #fdf9ef;
	--ftn-ink-dim: #b7b1e0;
	--ftn-radius: 14px;

	max-width: 640px;
	margin: 2rem auto;
	padding: 0 0 1.5rem;
	background: linear-gradient(175deg, var(--ftn-night) 0%, var(--ftn-night-deep) 100%);
	border-radius: calc(var(--ftn-radius) + 6px);
	box-shadow: 0 18px 50px rgba(15, 10, 60, 0.45);
	color: var(--ftn-paper);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	line-height: 1.5;
	overflow: hidden;
}

.ftn-app *,
.ftn-app *::before,
.ftn-app *::after {
	box-sizing: border-box;
}

/* ----- Marquee header (signature element) ----- */

.ftn-marquee {
	position: relative;
	padding: 1.6rem 1.5rem 1.3rem;
	text-align: center;
	background:
		radial-gradient(circle at 50% 130%, rgba(255, 201, 74, 0.22), transparent 60%),
		var(--ftn-night-deep);
	border-bottom: 3px solid var(--ftn-gold);
}

.ftn-marquee__bulbs {
	position: absolute;
	inset: 8px 12px auto;
	height: 6px;
	background-image: radial-gradient(circle 3px, var(--ftn-gold) 55%, transparent 60%);
	background-size: 22px 6px;
	background-repeat: repeat-x;
	opacity: 0.9;
	animation: ftn-twinkle 1.6s steps(2) infinite;
}

@keyframes ftn-twinkle {
	50% { opacity: 0.35; }
}

.ftn-marquee__title {
	margin: 0.4rem 0 0;
	font-size: clamp(1.5rem, 4.5vw, 2.1rem);
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--ftn-gold);
	text-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

/* ----- Screens ----- */

.ftn-screen {
	padding: 1.5rem 1.5rem 0.5rem;
	text-align: center;
}

.ftn-lede {
	margin: 0 0 1.25rem;
	color: var(--ftn-ink-dim);
}

.ftn-label {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--ftn-ink-dim);
}

.ftn-input {
	width: 100%;
	max-width: 320px;
	margin: 0 auto 1.1rem;
	padding: 0.7rem 0.9rem;
	border: 2px solid var(--ftn-card);
	border-radius: var(--ftn-radius);
	background: var(--ftn-night-deep);
	color: var(--ftn-paper);
	font-size: 1rem;
	text-align: center;
}

.ftn-input:focus {
	outline: none;
	border-color: var(--ftn-gold);
}

.ftn-btn {
	display: inline-block;
	padding: 0.8rem 1.9rem;
	border: 0;
	border-radius: 999px;
	font-size: 1.05rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	cursor: pointer;
	transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.ftn-btn--primary {
	background: var(--ftn-gold);
	color: #3a2a00;
	box-shadow: 0 5px 0 #b98a1d;
}

.ftn-btn--primary:hover {
	transform: translateY(-2px);
}

.ftn-btn--primary:active {
	transform: translateY(2px);
	box-shadow: 0 2px 0 #b98a1d;
}

.ftn-app :focus-visible {
	outline: 3px solid var(--ftn-teal);
	outline-offset: 2px;
}

/* ----- HUD + timer ----- */

.ftn-hud {
	display: flex;
	justify-content: center;
	gap: 0.6rem;
	flex-wrap: wrap;
	margin-bottom: 1rem;
}

.ftn-hud__item {
	padding: 0.25rem 0.85rem;
	border-radius: 999px;
	background: var(--ftn-card);
	font-size: 0.85rem;
	font-weight: 600;
}

.ftn-hud__score { color: var(--ftn-gold); }
.ftn-hud__score::after { content: " pts"; font-weight: 400; }
.ftn-hud__streak { color: var(--ftn-teal); }

.ftn-timer {
	position: relative;
	width: 66px;
	height: 66px;
	margin: 0 auto 0.8rem;
}

.ftn-timer__ring { width: 100%; height: 100%; transform: rotate(-90deg); }

.ftn-timer__track,
.ftn-timer__arc {
	fill: none;
	stroke-width: 4;
}

.ftn-timer__track { stroke: var(--ftn-card); }

.ftn-timer__arc {
	stroke: var(--ftn-gold);
	stroke-linecap: round;
	stroke-dasharray: 125.6; /* 2πr, r=20 */
	transition: stroke-dashoffset 1s linear, stroke 0.3s;
}

.ftn-timer--low .ftn-timer__arc { stroke: var(--ftn-coral); }

.ftn-timer__num {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	font-size: 1.25rem;
	font-weight: 800;
	font-variant-numeric: tabular-nums;
}

.ftn-meta {
	margin: 0 0 0.5rem;
	font-size: 0.8rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ftn-ink-dim);
}

.ftn-question {
	min-height: 3.2em;
	margin: 0 0 1.2rem;
	font-size: clamp(1.1rem, 3vw, 1.35rem);
	font-weight: 700;
}

/* ----- Answer paddles ----- */

.ftn-answers {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.6rem;
	margin-bottom: 1rem;
	text-align: left;
}

@media (min-width: 540px) {
	.ftn-answers { grid-template-columns: 1fr 1fr; }
}

.ftn-answer {
	display: flex;
	align-items: center;
	gap: 0.7rem;
	width: 100%;
	padding: 0.75rem 0.9rem;
	border: 2px solid transparent;
	border-radius: var(--ftn-radius);
	background: var(--ftn-card);
	color: var(--ftn-paper);
	font-size: 0.98rem;
	font-weight: 600;
	text-align: left;
	cursor: pointer;
	transition: transform 0.1s ease, border-color 0.1s ease, background 0.2s ease;
}

.ftn-answer:hover:not(:disabled) {
	transform: translateY(-2px);
	border-color: var(--ftn-gold);
}

.ftn-answer:disabled { cursor: default; opacity: 0.9; }

.ftn-answer__letter {
	flex: 0 0 auto;
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	border-radius: 8px;
	background: var(--ftn-night-deep);
	color: var(--ftn-gold);
	font-weight: 800;
}

.ftn-answer--correct {
	background: var(--ftn-teal);
	color: #05332e;
}

.ftn-answer--correct .ftn-answer__letter { background: rgba(0, 0, 0, 0.25); color: #fff; }

.ftn-answer--wrong {
	background: var(--ftn-coral);
	color: #4a0d0d;
}

.ftn-answer--wrong .ftn-answer__letter { background: rgba(0, 0, 0, 0.25); color: #fff; }

.ftn-answer--faded { opacity: 0.45; }

.ftn-feedback {
	min-height: 1.6em;
	margin: 0 0 0.5rem;
	font-weight: 700;
}

.ftn-feedback--good { color: var(--ftn-teal); }
.ftn-feedback--bad { color: var(--ftn-coral); }

/* ----- Results + leaderboard ----- */

.ftn-end-title {
	margin: 0 0 0.4rem;
	font-size: 1.5rem;
	font-weight: 800;
	color: var(--ftn-gold);
}

.ftn-end-score {
	margin: 0;
	font-size: clamp(2.6rem, 8vw, 3.6rem);
	font-weight: 800;
	font-variant-numeric: tabular-nums;
	line-height: 1.1;
}

.ftn-end-score small {
	font-size: 1rem;
	font-weight: 600;
	color: var(--ftn-ink-dim);
}

.ftn-end-detail {
	margin: 0.4rem 0 1.4rem;
	color: var(--ftn-ink-dim);
}

/* ----- Category picker ----- */

.ftn-cats {
	margin: 0 auto 1.4rem;
	padding: 1rem 1rem 1.1rem;
	max-width: 460px;
	background: rgba(0, 0, 0, 0.18);
	border: 1px solid var(--ftn-card);
	border-radius: var(--ftn-radius);
	text-align: left;
}

.ftn-cats__head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.75rem;
}

.ftn-cats__title {
	margin: 0;
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--ftn-gold);
}

.ftn-cats__toggle {
	padding: 0;
	border: 0;
	background: none;
	color: var(--ftn-ink-dim);
	font-size: 0.8rem;
	font-family: inherit;
	text-decoration: underline;
	cursor: pointer;
	white-space: nowrap;
}

.ftn-cats__toggle:hover,
.ftn-cats__toggle:focus-visible {
	color: var(--ftn-paper);
}

.ftn-cats__hint {
	margin: 0.4rem 0 0.9rem;
	font-size: 0.82rem;
	color: var(--ftn-ink-dim);
}

.ftn-cats__list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
}

.ftn-cat {
	display: inline-flex;
	align-items: baseline;
	gap: 0.4rem;
	padding: 0.45rem 0.8rem;
	border: 2px solid var(--ftn-card);
	border-radius: 999px;
	background: var(--ftn-night-deep);
	color: var(--ftn-ink-dim);
	font-family: inherit;
	font-size: 0.85rem;
	line-height: 1.2;
	cursor: pointer;
	transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.ftn-cat:hover {
	border-color: var(--ftn-ink-dim);
}

.ftn-cat:focus-visible {
	outline: 2px solid var(--ftn-gold);
	outline-offset: 2px;
}

.ftn-cat--on {
	border-color: var(--ftn-gold);
	background: rgba(255, 201, 74, 0.14);
	color: var(--ftn-paper);
}

.ftn-cat__count {
	font-size: 0.72rem;
	opacity: 0.7;
}

/* The gold ring is the primary signal; the check gives a second,
   non-color cue for players who cannot rely on it. */
.ftn-cat--on .ftn-cat__name::before {
	content: "✓ ";
	color: var(--ftn-gold);
}

@media (prefers-reduced-motion: reduce) {
	.ftn-cat { transition: none; }
}

.ftn-leaderboard { margin-top: 1.8rem; }

.ftn-leaderboard__title {
	margin: 0 0 0.6rem;
	font-size: 0.9rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--ftn-ink-dim);
}

.ftn-leaderboard__list {
	max-width: 360px;
	margin: 0 auto;
	padding: 0;
	list-style-position: inside;
	text-align: left;
}

.ftn-leaderboard__list li {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.4rem 0.7rem;
	border-radius: 8px;
}

.ftn-leaderboard__list li:nth-child(odd) { background: rgba(255, 255, 255, 0.05); }
.ftn-leaderboard__list li:first-child { color: var(--ftn-gold); font-weight: 700; }

.ftn-leaderboard__pts { font-variant-numeric: tabular-nums; }

.ftn-error {
	margin: 0.8rem 1.5rem 0;
	padding: 0.7rem 1rem;
	border-radius: var(--ftn-radius);
	background: rgba(255, 107, 107, 0.15);
	color: var(--ftn-coral);
	font-weight: 600;
	text-align: center;
}

/* ----- Motion preferences ----- */

@media (prefers-reduced-motion: reduce) {
	.ftn-marquee__bulbs { animation: none; }
	.ftn-app * { transition: none !important; }
}