/* Jassen lernen. Mobile first; light and dark follow the system. */
:root {
	--bg: #f4f1e8;
	--card: #fffdf7;
	--text: #1f2420;
	--muted: #5d655e;
	--line: #d9d4c4;
	--accent: #1f5a3d;
	--accent-text: #ffffff;
	--felt: #e3ecdf;
	--ok: #1d6b3a;
	--ok-bg: #e2f2e4;
	--bad: #a3322a;
	--bad-bg: #f8e3df;
	--note: #fff3c9;
	--note-line: #d9b53a;
	color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
	:root {
		--bg: #141815;
		--card: #1d231e;
		--text: #e9ece6;
		--muted: #a3aca3;
		--line: #333c34;
		--accent: #6fc493;
		--accent-text: #0e1a12;
		--felt: #1f3327;
		--ok: #7fd49a;
		--ok-bg: #1b3323;
		--bad: #f0988f;
		--bad-bg: #3a201d;
		--note: #33301c;
		--note-line: #8a7426;
	}
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.7rem; line-height: 1.2; margin: 0.4em 0 0.3em; }
h2 { font-size: 1.25rem; line-height: 1.25; margin: 0 0 0.4em; }
h3 { font-size: 1.05rem; margin: 1em 0 0.3em; }
p, ul, ol, table, figure { margin: 0 0 0.9em; }
ul, ol { padding-left: 1.3em; }
li { margin: 0.25em 0; }

.top, .nav, main, .foot { max-width: 760px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.deck-toggle {
	display: inline-flex; align-items: center; gap: 6px;
	font: inherit; font-size: 0.85rem; color: var(--text);
	background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; cursor: pointer;
}
.nav { display: flex; gap: 4px; padding-top: 10px; padding-bottom: 10px; overflow-x: auto; scrollbar-width: none; }
.nav a {
	padding: 6px 12px; border-radius: 999px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; white-space: nowrap;
}
.nav a.on { background: var(--accent); color: var(--accent-text); }
main { padding-bottom: 32px; min-height: 60vh; outline: none; }
.foot { color: var(--muted); font-size: 0.85rem; text-align: center; padding-top: 16px; padding-bottom: 96px; border-top: 1px solid var(--line); }

.lead { font-size: 1.08rem; color: var(--muted); }
.muted { color: var(--muted); font-size: 0.93rem; }
.crumb { font-size: 0.9rem; color: var(--muted); margin: 0; }
.hero, .lesson, .practice, .soon, .result {
	background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 16px; margin: 14px 0;
}
.hero h1 { margin-top: 0; }
.soon { background: transparent; border-style: dashed; }
.merke {
	background: var(--note); border-left: 4px solid var(--note-line); border-radius: 6px; padding: 10px 12px; margin: 0 0 0.9em;
}

.btn {
	display: inline-block; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
	background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; padding: 10px 18px;
}
.btn.secondary { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.btn.small { padding: 5px 14px; font-size: 0.9rem; }
.btn:disabled { opacity: 0.5; cursor: default; }
.skip { margin-left: 10px; font-size: 0.93rem; }

progress { width: 130px; height: 10px; vertical-align: middle; accent-color: var(--accent); }
.progress-line { color: var(--muted); font-size: 0.93rem; margin: 0; }

/* learning path */
.steps { list-style: none; padding: 0; }
.step a {
	display: flex; align-items: center; gap: 12px; padding: 12px; margin: 8px 0;
	background: var(--card); border: 1px solid var(--line); border-radius: 12px; color: var(--text); text-decoration: none;
}
.step.next a { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.step-no {
	flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
	background: var(--felt); font-weight: 700;
}
.step.done .step-no { background: var(--accent); color: var(--accent-text); }
.step-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.step-text span { color: var(--muted); font-size: 0.9rem; }
.badge { flex: none; font-size: 0.75rem; font-weight: 700; color: var(--accent); white-space: nowrap; }
.step.open .badge { display: none; }

/* cards */
.card { display: inline-block; width: 60px; flex: none; line-height: 0; border-radius: 6px; }
.card-svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 1px 1.5px rgb(0 0 0 / 0.25)); }
.card-idx { font: 700 11px/1 system-ui, -apple-system, "Segoe UI", sans-serif; text-anchor: middle; }
.card-idx-wide { font-size: 9.5px; letter-spacing: -0.6px; }
.cards { background: var(--felt); border-radius: 12px; padding: 12px 10px 10px; }
.cards figcaption { font-size: 0.88rem; color: var(--muted); margin-top: 8px; text-align: center; }
.card-row { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.card-row.many .card { width: 50px; }
.card-row.mini .card { width: 38px; }
.hero-cards .card { width: 54px; }
.valued { gap: 8px 5px; }
.valued-card { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.valued .card { width: 50px; }
.pts { font-weight: 700; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.suit-icon { width: 1.05em; height: 1.05em; vertical-align: -0.16em; }
.suit-name { white-space: nowrap; font-weight: 600; }
@media (min-width: 560px) {
	.card { width: 72px; }
	.card-row.many .card { width: 62px; }
}

.tab { border-collapse: collapse; width: 100%; }
.tab th, .tab td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tab td:last-child, .tab th:last-child { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }

/* exercises */
.runner { scroll-margin-top: 12px; }
.question { background: var(--felt); border-radius: 12px; padding: 14px 12px; }
.q-count { font-size: 0.82rem; color: var(--muted); margin: 0 0 4px; font-weight: 600; }
.q-prompt { margin: 0 0 12px; font-size: 1.1rem; }
.q-label { font-size: 0.85rem; color: var(--muted); margin: 0 0 6px; text-align: center; }
.q-row { margin-bottom: 14px; }
.mode-chip {
	display: inline-flex; align-items: center; gap: 5px; margin: 0 0 8px; padding: 3px 12px; border-radius: 999px;
	background: var(--card); border: 1px solid var(--line); font-weight: 700; font-size: 0.92rem;
}
.options { display: grid; gap: 8px; }
.option {
	font: inherit; text-align: left; color: var(--text); cursor: pointer;
	background: var(--card); border: 2px solid var(--line); border-radius: 10px; padding: 11px 14px; min-height: 48px;
}
.option:disabled { cursor: default; opacity: 1; color: var(--text); }
.option.is-right { border-color: var(--ok); background: var(--ok-bg); font-weight: 700; }
.option.is-wrong { border-color: var(--bad); background: var(--bad-bg); }
.card-btn {
	display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 4px; margin: 0;
	background: transparent; border: 3px solid transparent; border-radius: 10px; cursor: pointer; font: inherit; color: var(--text);
}
.card-btn .seat { font-size: 0.75rem; color: var(--muted); line-height: 1.1; }
.card-btn[aria-pressed="true"] { border-color: var(--accent); background: var(--card); transform: translateY(-6px); }
.card-btn:disabled { cursor: default; opacity: 1; }
.card-btn.is-right { border-color: var(--ok); background: var(--ok-bg); }
.card-btn.is-wrong { border-color: var(--bad); background: var(--bad-bg); }
.card-btn.is-missed { border-color: var(--ok); border-style: dashed; }
.card-btn.is-off { opacity: 0.45; }
.pickable { gap: 0; }
.feedback { margin-top: 14px; padding: 12px; border-radius: 10px; }
.feedback p:last-child, .result p:last-child { margin-bottom: 0; }
.feedback.ok, .result.ok { background: var(--ok-bg); border: 1px solid var(--ok); }
.feedback.bad, .result.bad { background: var(--bad-bg); border: 1px solid var(--bad); }
.result h3 { margin-top: 0; }

/* practice tiles, glossary, settings */
.tiles { list-style: none; padding: 0; display: grid; gap: 10px; }
@media (min-width: 560px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile {
	display: flex; flex-direction: column; gap: 2px; height: 100%; padding: 14px;
	background: var(--card); border: 1px solid var(--line); border-radius: 12px; color: var(--text); text-decoration: none;
}
.tile span { color: var(--muted); font-size: 0.92rem; }
.glossary dt { font-weight: 700; margin-top: 12px; }
.glossary dd { margin: 0; color: var(--muted); }
.choices { display: grid; gap: 10px; }
.choice { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.choice .card-row { margin-left: auto; }

/* analytics consent */
.consent {
	position: fixed; left: 16px; right: 16px; bottom: 16px; max-width: 728px; margin: 0 auto;
	display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between;
	background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
}
.consent[hidden] { display: none; }
.consent p { margin: 0; }
.consent-actions { white-space: nowrap; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }