/* Rhythmusfeuer – Werkzeuge (Rhythmustrainer, Metronom) im Stil des Play Along Players */
.rfw {
	--rfw-farbe: #0a951f;
	--rfw-akzent: #de2a29;
	--rfw-dunkel: #002c5d;
	--rfw-hell: #f3fbef;
	--rfw-linie: #d5e9cd;
	box-sizing: border-box;
	max-width: 820px;
	margin: 0 auto 2em;
	padding: 22px 22px 20px;
	background: #fff;
	border: 3px solid var(--rfw-dunkel);
	border-radius: 22px;
	box-shadow: 0 5px 0 var(--rfw-dunkel);
	color: var(--rfw-dunkel);
	line-height: 1.4;
}
.rfw *, .rfw *::before, .rfw *::after { box-sizing: border-box; }
.rfw__kopf { margin: 0 0 14px; }
.rfw__label { display: inline-block; background: var(--rfw-akzent); color: #fff; font-family: var(--rf-font-head); font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; padding: .22em .75em .3em; border-radius: 999px; }
.rfw .rfw__titel { margin: .3em 0 0; font-size: clamp(1.6rem, 4.5vw, 2.2rem); line-height: 1.1; color: var(--rfw-farbe); }
.rfw__gruppe { border: 0; margin: 0 0 16px; padding: 0; min-width: 0; }
.rfw__gruppe legend { display: flex; align-items: center; gap: 8px; padding: 0; margin: 0 0 8px; font-weight: 800; font-size: 1.05rem; color: var(--rfw-dunkel); }
.rfw__gruppe legend small { font-weight: 600; color: #5d6b62; }
.rfw__nr { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: var(--rfw-dunkel); color: #fff; font-size: .9rem; }
.rfw__optionen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.rfw__optionen--4 { grid-template-columns: repeat(4, 1fr); }
.rfw__optionen--5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 560px) { .rfw__optionen--5 { grid-template-columns: repeat(3, 1fr); } }
.rfw__option { position: relative; display: block; margin: 0; cursor: pointer; }
.rfw__option input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.rfw__option > span {
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
	min-height: 66px; padding: 10px 6px; text-align: center;
	background: var(--rfw-hell); border: 3px solid var(--rfw-linie); border-radius: 14px;
	transition: background .15s, border-color .15s, transform .1s;
}
.rfw__option strong { font-family: var(--rf-font-head); font-size: 1.45rem; line-height: 1; color: var(--rfw-dunkel); }
.rfw__option small { font-size: .82rem; color: #5d6b62; font-weight: 700; }
.rfw__option:hover > span { border-color: var(--rfw-farbe); }
.rfw__option input:checked + span { background: var(--rfw-farbe); border-color: var(--rfw-farbe); transform: translateY(-1px); box-shadow: 0 3px 0 var(--rfw-dunkel); }
.rfw__option input:checked + span strong, .rfw__option input:checked + span small { color: #fff; }
.rfw__option input:focus-visible + span { outline: 3px solid var(--rfw-akzent); outline-offset: 2px; }
.rfw__option input:disabled + span { opacity: .35; cursor: not-allowed; border-style: dashed; }
.rfw__notensymbol { display: block; height: 46px; color: var(--rfw-dunkel); }
.rfw__notensymbol svg { height: 46px; width: auto; color: inherit; }
.rfw__option input:checked + span .rfw__notensymbol, .rfw__option input:checked + span .rfw__notensymbol svg { color: #fff; fill: #fff; }
.rfw__start { margin: 6px 0 0; text-align: center; }
.rfw__unten { margin: 14px 0 0; text-align: center; }

/* Rhythmustrainer */
.rf-rhythmus__meldung { min-height: 1.2em; margin: 10px 0 0; text-align: center; color: var(--rfw-akzent); font-weight: 700; }
.rf-rhythmus__feld { margin-top: 10px; background: #fff; border: 3px solid var(--rfw-linie); border-radius: 16px; padding: 12px 10px; min-height: 140px; display: flex; align-items: center; justify-content: center; }
.rf-rhythmus__feld.is-voll { border-color: var(--rfw-dunkel); }
.rf-rhythmus__leer { margin: 0; color: #5d6b62; font-weight: 600; text-align: center; }
.rf-rhythmus__noten { display: block; width: 100%; height: auto; }
.rf-rhythmus__noten .rf-kopf { transition: fill .08s; }
.rf-rhythmus__noten .rf-kopf.is-an { fill: var(--rfw-akzent); }
.rf-rhythmus__noten .rf-kopf.is-genau { fill: var(--rfw-farbe); }
.rf-rhythmus__noten .rf-kopf.is-daneben { fill: #f08c00; }
.rf-rhythmus__noten .rf-kopf.is-knapp, .rf-kopf.is-knapp { fill: #d4ac0d; }
.rf-rhythmus__noten .rf-kopf.is-fehlt { fill: var(--rfw-akzent); }
.rf-rhythmus__legende { font-size: .9rem; font-weight: 700; color: var(--rfw-dunkel) !important; }
.rf-rhythmus__legende span { font-size: 1.1rem; margin-left: .5em; }
.rf-rhythmus__legende span:first-child { margin-left: 0; }
.rf-rhythmus__legende .is-genau { color: var(--rfw-farbe); }
.rf-rhythmus__legende .is-daneben { color: #f08c00; }
.rf-rhythmus__legende .is-knapp { color: #d4ac0d; }
.rf-rhythmus__legende .is-fehlt { color: var(--rfw-akzent); }
.rf-rhythmus__checkstart:disabled, .rf-rhythmus__kalib:disabled { opacity: .45; cursor: not-allowed; }
.rf-rhythmus__checkknoepfe { display: flex; flex-wrap: wrap; gap: .6rem; }
.rf-rhythmus__kalibstatus { font-size: .95rem; margin: .4rem 0 0; }
.rf-rhythmus__kalibstatus:empty { display: none; }
.rf-rhythmus__vorspiel { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 16px; margin: 16px 0 0; }
.rf-rhythmus__spielen {
	display: inline-flex; align-items: center; gap: 10px; padding: 8px 24px 8px 10px; border-radius: 999px;
	border: 3px solid var(--rfw-dunkel); background: var(--rfw-akzent); color: #fff; cursor: pointer;
	font-family: var(--rf-font-head); font-size: 1.3rem; line-height: 1; text-transform: uppercase; box-shadow: 0 4px 0 var(--rfw-dunkel);
}
.rf-rhythmus__spielen:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--rfw-dunkel); }
.rf-rhythmus__spielen:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: 0 4px 0 var(--rfw-dunkel); }
.rf-rhythmus__spielen.is-an { background: var(--rfw-dunkel); }
.rf-rhythmus__spielen-symbol { position: relative; width: 32px; height: 32px; border-radius: 50%; background: #fff; flex: none; }
.rf-rhythmus__spielen-symbol::after { content: ""; position: absolute; left: 12px; top: 9px; border-style: solid; border-width: 7px 0 7px 11px; border-color: transparent transparent transparent var(--rfw-akzent); }
.rf-rhythmus__spielen.is-an .rf-rhythmus__spielen-symbol::after { left: 10px; top: 10px; width: 12px; height: 12px; border: 0; background: var(--rfw-dunkel); }
.rf-rhythmus__tempo { display: inline-flex; background: var(--rfw-hell); border: 3px solid var(--rfw-linie); border-radius: 999px; padding: 3px; }
.rf-rhythmus__tempo label { margin: 0; cursor: pointer; }
.rf-rhythmus__tempo input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.rf-rhythmus__tempo span { display: block; padding: 6px 14px; border-radius: 999px; font-weight: 800; font-size: .92rem; color: var(--rfw-dunkel); line-height: 1.2; }
.rf-rhythmus__tempo input:checked + span { background: var(--rfw-farbe); color: #fff; }
.rf-rhythmus__tempo input:focus-visible + span { outline: 3px solid var(--rfw-akzent); outline-offset: 1px; }
.rf-rhythmus__bpm { display: inline-flex; align-items: center; gap: 10px; }
.rf-rhythmus__bpm button { width: 44px; height: 44px; border-radius: 50%; border: 3px solid var(--rfw-dunkel); background: #fff; color: var(--rfw-dunkel); font-size: 1.5rem; font-weight: 800; line-height: 1; cursor: pointer; touch-action: manipulation; user-select: none; -webkit-user-select: none; }
.rf-rhythmus__bpm button:hover { background: var(--rfw-hell); }
.rf-rhythmus__bpm label { display: flex; flex-direction: column; align-items: center; margin: 0; }
.rf-rhythmus__bpm input { width: 3.2em; padding: 0; border: 0; border-bottom: 3px solid var(--rfw-linie); background: transparent; text-align: center; font-family: var(--rf-font-head); font-size: 2.2rem; line-height: 1.05; color: var(--rfw-dunkel); -moz-appearance: textfield; appearance: textfield; }
.rf-rhythmus__bpm input::-webkit-outer-spin-button, .rf-rhythmus__bpm input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.rf-rhythmus__bpm input:focus { outline: none; border-bottom-color: var(--rfw-farbe); }
.rf-rhythmus__bpm small { font-size: .75rem; font-weight: 700; color: #5d6b62; }
.rf-rhythmus__metro { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-weight: 700; color: var(--rfw-dunkel); cursor: pointer; }
.rf-rhythmus__metro input { width: 20px; height: 20px; accent-color: var(--rfw-farbe); }
.rf-rhythmus__pdf:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* Metronom */
.rf-metronom__mitte { display: flex; flex-direction: column; align-items: center; margin: 4px 0 8px; }
.rf-metronom__regler { position: relative; width: min(260px, 72vw); aspect-ratio: 1; touch-action: none; border-radius: 50%; }
.rf-metronom__regler:focus-visible { outline: 3px solid var(--rfw-akzent); outline-offset: 4px; }
.rf-metronom__regler svg { width: 100%; height: 100%; display: block; cursor: grab; }
.rf-metronom__regler svg:active { cursor: grabbing; }
.rf-metronom__skala { fill: none; stroke: var(--rfw-linie); stroke-width: 12; stroke-dasharray: 414 600; stroke-linecap: round; transform: rotate(135deg); transform-origin: 100px 100px; }
.rf-metronom__bogen { fill: none; stroke: var(--rfw-farbe); stroke-width: 12; stroke-linecap: round; }
.rf-metronom__knopf circle { fill: var(--rfw-hell); stroke: var(--rfw-dunkel); stroke-width: 4; }
.rf-metronom__knopf rect { fill: var(--rfw-akzent); }
.rf-metronom__anzeige { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; padding-top: 18px; }
.rf-metronom__anzeige strong { font-family: var(--rf-font-head); font-size: 3.6rem; line-height: 1; color: var(--rfw-dunkel); }
.rf-metronom__anzeige small { font-size: .78rem; font-weight: 700; color: #5d6b62; max-width: 90px; text-align: center; line-height: 1.15; }
.rf-metronom__feinstell { display: flex; align-items: center; gap: 14px; margin-top: 6px; color: #5d6b62; font-weight: 700; font-size: .9rem; }
.rf-metronom__feinstell button { width: 48px; height: 48px; border-radius: 50%; border: 3px solid var(--rfw-dunkel); background: #fff; color: var(--rfw-dunkel); font-size: 1.6rem; font-weight: 800; line-height: 1; cursor: pointer; }
.rf-metronom__feinstell button:hover { background: var(--rfw-hell); }
/* Plus/Minus genau mittig: Zeichen als gezeichnete Striche statt Schrift (Schrift sitzt je nach Font zu tief) */
.rf-metronom__feinstell button, .rf-rhythmus__bpm button { position: relative; display: inline-flex; align-items: center; justify-content: center; padding: 0; font-size: 0; color: var(--rfw-dunkel); }
.rf-metronom__feinstell button::before, .rf-rhythmus__bpm button::before, .rf-metronom__plus::after, .rf-rhythmus__bpm button[data-schritt="1"]::after { content: ''; position: absolute; left: 50%; top: 50%; width: 18px; height: 3.5px; border-radius: 2px; background: currentColor; transform: translate(-50%, -50%); }
.rf-metronom__plus::after, .rf-rhythmus__bpm button[data-schritt="1"]::after { width: 3.5px; height: 18px; }
.rf-metronom__mitschrift { margin: 18px 0 6px; background: #fff; border-radius: 12px; padding: 10px 12px; }
.rf-metronom__mitschrift:empty { display: none; }
.rf-metronom__mitschrift h4 { margin: 0 0 4px; font-size: 1rem; color: var(--rfw-dunkel); }
.rf-metronom__mitschrift-hinweis { margin: 0 0 8px; font-size: .85rem; line-height: 1.35; color: #5d6b62; }
.rf-metronom__mitschrift .rf-rhythmus__legende { margin: 6px 0 0; }
.rf-metronom__punkte { display: flex; justify-content: center; gap: 10px; margin: 14px 0; }
.rf-metronom__punkte span { width: 46px; height: 46px; border-radius: 50%; background: var(--rfw-hell); border: 3px solid var(--rfw-linie); display: flex; align-items: center; justify-content: center; font-family: var(--rf-font-head); font-size: 1.3rem; color: var(--rfw-dunkel); transition: background .05s, transform .05s; }
.rf-metronom__punkte span.is-an { background: var(--rfw-farbe); border-color: var(--rfw-farbe); color: #fff; transform: scale(1.12); }
.rf-metronom__punkte span.is-eins.is-an { background: var(--rfw-akzent); border-color: var(--rfw-akzent); }
@media (max-width: 420px) { .rf-metronom__punkte span { width: 38px; height: 38px; } }
.rf-metronom__steuerung { display: flex; justify-content: center; }
.rf-metronom__start {
	display: inline-flex; align-items: center; gap: 12px; padding: 14px 34px 14px 24px; border-radius: 999px;
	border: 3px solid var(--rfw-dunkel); background: var(--rfw-akzent); color: #fff; cursor: pointer;
	font-family: var(--rf-font-head); font-size: 1.6rem; text-transform: uppercase; box-shadow: 0 5px 0 var(--rfw-dunkel);
}
.rf-metronom__start.is-an { background: var(--rfw-dunkel); }
.rf-metronom__start:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--rfw-dunkel); }
.rf-metronom__symbol { display: inline-flex; width: 40px; height: 40px; border-radius: 50%; background: #fff; color: var(--rfw-akzent); align-items: center; justify-content: center; font-size: 1.1rem; }
.rf-metronom__start.is-an .rf-metronom__symbol { color: var(--rfw-dunkel); }
.rf-metronom__symbol svg { display: block; }
.rf-metronom__check { margin-top: 22px; padding: 16px 18px; background: var(--rfw-hell); border-radius: 16px; }
.rf-metronom__check h3 { margin: 0 0 6px; font-size: 1.4rem; color: var(--rfw-farbe); }
.rf-metronom__check p { margin: 0 0 10px; color: var(--rf-text); }
.rf-metronom__hinweis { font-weight: 700; color: var(--rfw-dunkel) !important; }
.rf-metronom__auswertung { display: flex; gap: 14px; align-items: flex-end; background: #fff; border: 3px solid var(--rfw-farbe); border-radius: 16px; padding: 12px 14px; }
.rf-metronom__auswertung img { width: 96px; height: auto; flex: none; }
.rf-metronom__note { font-family: var(--rf-font-head); font-size: 1.6rem; color: var(--rfw-farbe) !important; margin: 0 0 4px !important; text-transform: uppercase; }
.rf-metronom__sterne { font-size: 1.8rem; margin: 0 !important; color: var(--rfw-linie); }
.rf-metronom__sterne .is-an { color: #f5b301; }

/* Freies Intervalltraining */
.rf-ivfrei__schnell { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.rf-ivfrei__wahl { font: inherit; font-size: .88rem; font-weight: 700; color: var(--rfw-dunkel); background: #fff; border: 2px solid var(--rfw-linie); border-radius: 999px; padding: .3em .9em; cursor: pointer; }
.rf-ivfrei__wahl:hover { border-color: var(--rfw-farbe); }
.rf-ivfrei__intervalle .rfw__option strong { font-size: 1.25rem; }
.rf-ivfrei__legende { font-size: .85rem; color: #5d6b62; margin: 8px 0 0; }
.rf-ivfrei__meldung { text-align: center; font-weight: 700; color: var(--rf-rot); margin: .5em 0 0; }
.rf-ivfrei__meldung:empty { display: none; }
.rf-ivfrei__training { margin-top: 0; }
.rf-ivfrei [hidden] { display: none !important; }
.rf-rhythmus__safari { font-size: .92rem; background: #fff4e5; border-left: 4px solid var(--rf-orange); padding: .5em .8em; border-radius: 8px; }
/* Schieberegler (Expertenmodus) */
.rf-ivfrei__experte { margin: 0 0 16px; padding: 12px 14px; background: var(--rfw-hell); border-radius: 14px; }
.rf-schalter { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.rf-schalter input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.rf-schalter__bahn { flex: 0 0 auto; position: relative; width: 52px; height: 30px; border-radius: 999px; background: #c9d6cd; transition: background .2s; }
.rf-schalter__bahn::after { content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s; }
.rf-schalter input:checked + .rf-schalter__bahn { background: var(--rf-blau); }
.rf-schalter input:checked + .rf-schalter__bahn::after { transform: translateX(22px); }
.rf-schalter input:focus-visible + .rf-schalter__bahn { outline: 3px solid var(--rf-orange); outline-offset: 2px; }
.rf-schalter__text { font-size: .95rem; color: var(--rfw-dunkel); }
.rf-ivfrei__oktaven { margin: 12px 0 0; }
.rf-ivfrei__skala-label { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; color: var(--rfw-dunkel); }
.rf-ivfrei__skala { font: inherit; font-weight: 700; padding: .35em .6em; border: 2px solid var(--rfw-linie); border-radius: 10px; background: #fff; color: var(--rfw-dunkel); max-width: 100%; }
.rf-rhythmus__erw-schalter { margin: -4px 0 16px; padding: 10px 14px; background: var(--rfw-hell); border-radius: 14px; }
.rf-rhythmus__erweitert[hidden] { display: none !important; }
.rfw__option.is-aus { opacity: .4; }
.rfw__figur svg { height: 46px; width: auto; max-width: 100%; }
.rf-rhythmus__figuren .rfw__option small { line-height: 1.15; }
.rf-rhythmus__erw-hinweis { font-size: .85rem; color: #5d6b62; margin: 8px 0 0; }
@media (max-width: 560px) { .rf-rhythmus__figuren { grid-template-columns: repeat(2, 1fr); } }
.rfw__notensymbol svg.ist-pause { height: 50px; }
.rf-rhythmus__punktiert[hidden] { display: none !important; }
.rfw__figur { display: flex; justify-content: center; }
.rf-rhythmus__pausen[hidden], .rf-rhythmus__figurenfeld[hidden] { display: none !important; }
.rfw__option.is-aus { cursor: not-allowed; }
.rf-rhythmus__notenwerte.is-deaktiviert legend::after { content: ' – Achtel und Sechzehntel mit Figuren nicht wählbar'; font-weight: 600; font-size: .85rem; color: #5d6b62; }
.rf-metronom__punkte button { width: 46px; height: 46px; border-radius: 50%; background: var(--rfw-hell); border: 3px solid var(--rfw-linie); display: flex; align-items: center; justify-content: center; font-family: var(--rf-font-head); font-size: 1.3rem; color: var(--rfw-dunkel); cursor: pointer; padding: 0; transition: background .05s, transform .05s; }
.rf-metronom__punkte button.is-betont { border-color: var(--rfw-akzent); box-shadow: 0 0 0 3px var(--rfw-akzent) inset; }
.rf-metronom__punkte button.is-an { background: var(--rfw-farbe); border-color: var(--rfw-farbe); color: #fff; transform: scale(1.12); }
.rf-metronom__punkte button.is-betont.is-an { background: var(--rfw-akzent); border-color: var(--rfw-akzent); }
@media (max-width: 420px) { .rf-metronom__punkte button { width: 38px; height: 38px; } }
.rf-metronom__betonung-hinweis { text-align: center; font-size: .88rem; color: #5d6b62; margin: -4px 0 12px; }
.rf-metronom__takte label { font-weight: 800; color: var(--rfw-dunkel); display: inline-flex; align-items: center; gap: 8px; }
.rf-metronom__takte input { width: 5em; font: inherit; font-weight: 800; padding: .3em .5em; border: 2px solid var(--rfw-linie); border-radius: 10px; text-align: center; }

/* Metronom: Tonhöhen-Schalter und Intonation */
.rf-metronom__tonschalter { margin: 6px 0 12px; }
.rf-metronom__stimmung { margin: 0 0 12px; }
.rf-metronom__stimmung-titel { margin: 0 0 6px; }
.rf-metronom__into { margin-top: 16px; background: #fff; border: 3px solid var(--rfw-farbe); border-radius: 16px; padding: 14px 18px; }
.rf-metronom__into h4 { margin: 0 0 4px; font-size: 1.4rem; color: var(--rfw-farbe); }
.rf-metronom__into p { margin: 6px 0; }
.rf-into__liste { display: flex; flex-wrap: wrap; gap: 6px; }
.rf-into__ton { display: inline-block; padding: 3px 9px; border-radius: 8px; font-size: .92rem; border: 2px solid #c9d6cd; background: #f5f8f6; color: var(--rfw-dunkel); }
.rf-into__ton.is-gut { border-color: var(--rfw-farbe); background: #e8f6ea; }
.rf-into__ton.is-knapp { border-color: #f08c00; background: #fff3e0; }
.rf-into__ton.is-daneben { border-color: var(--rfw-akzent); background: #fdecea; }
.rf-into__ton.is-unbekannt { color: #8a968f; }

/* Tempo eintippen */
.rf-tap { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-width: 150px; min-height: 56px; margin: 0; align-self: center; padding: 8px 18px; border-radius: 14px; border: 3px solid var(--rfw-dunkel, #002c5d); background: #fff; color: var(--rfw-dunkel, #002c5d); font: inherit; cursor: pointer; touch-action: manipulation; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent; }
.rf-tap[hidden] { display: none; }
.rf-tap:hover { background: var(--rfw-hell, #f3fbef); }
.rf-tap__text { font-weight: 800; font-size: 1.05rem; line-height: 1.1; }
.rf-tap__hinweis { font-size: .75rem; font-weight: 700; color: #5d6b62; line-height: 1.1; }
.rf-tap.is-aktiv { border-color: var(--rfw-akzent, #de2a29); }
.rf-tap.is-schlag { animation: rf-tap-schlag .18s ease-out; }
@keyframes rf-tap-schlag { 0% { transform: scale(.94); background: #ffe9e9; } 100% { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .rf-tap.is-schlag { animation: none; } }
.rf-metronom__mitte .rf-tap { margin-top: 12px; }