/* tools4music.de – Werkzeugkasten (Metronom, Stimmgerät, Dezibel, Lautsprecher-Test, Tongenerator) */
.kv-unsichtbar{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.kv-wz{max-width:100%}
.kv-rund{min-width:46px;height:46px;border-radius:999px;border:1px solid #2E3540;background:#15181D;color:#E8EAEE;font:500 16px/1 "Space Grotesk",system-ui,sans-serif;cursor:pointer;padding:0 10px}
.kv-rund:hover,.kv-rund:focus-visible{border-color:#3DD6C6}
.kv-gross{font-size:18px;padding:14px 26px;min-width:120px}
.kv-knopf.kv-aktiv{background:#3DD6C6;color:#15181D;border-color:#3DD6C6}
.kv-regler{width:100%;margin:14px 0 6px;accent-color:#F2A33A}
.kv-wz input[type=range]{accent-color:#F2A33A;width:100%}
/* Metronom */
.kv-me-anzeige{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.kv-me-bpm{display:flex;flex-direction:column;align-items:center;min-width:140px}
.kv-me-bpm input{width:3.6ch;font:500 64px/1 "Space Grotesk",system-ui,sans-serif;color:#3DD6C6;background:transparent;border:0;border-bottom:1px solid #2E3540;text-align:center;padding:0}
.kv-me-bpm input:focus{outline:none;border-color:#F2A33A}
.kv-me-bpm span{color:#9AA3AF;font-size:14px;margin-top:4px}
.kv-me-name{color:#F2A33A;font-weight:500}
.kv-me-punkte{display:flex;justify-content:center;gap:12px;margin:14px 0;min-height:30px;flex-wrap:wrap}
.kv-me-punkte span{width:26px;height:26px;border-radius:999px;background:#2E3540;transition:background .05s}
.kv-me-punkte span.kv-me-eins{outline:2px solid #F2A33A;outline-offset:2px}
.kv-me-punkte span.kv-an{background:#3DD6C6}
.kv-me-punkte span.kv-me-eins.kv-an{background:#F2A33A}
.kv-me-knoepfe{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.kv-me-wahl{margin-top:4px}
.kv-me-trainer{margin-top:14px;border-top:1px solid #2E3540;padding-top:10px}
.kv-me-trainer summary{cursor:pointer;color:#F2A33A;font-weight:500}
.kv-haken{display:flex;align-items:center;gap:8px;padding-top:24px}
.kv-haken input{width:20px;height:20px;accent-color:#F2A33A}
.kv-wz .kv-vier{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
@media (max-width:620px){.kv-wz .kv-vier{grid-template-columns:repeat(2,minmax(0,1fr))}.kv-me-bpm input{font-size:52px}.kv-haken{padding-top:6px}}
.kv-wz label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px;color:var(--kv-tinte,#E8EAEE)}
.kv-wz select,.kv-wz input[type=number],.kv-wz input[type=text]:not(#me-b):not(#tg-f){width:100%;border:1px solid #3A4352;border-radius:6px;padding:10px 12px;font:400 1rem var(--kv-text,system-ui);background:#0F1115;color:#fff}
.kv-wz select:focus,.kv-wz input[type=number]:focus{border-color:#3DD6C6;outline:0}
.kv-wz .kv-haken label{margin:0}
@media (max-width:620px){.kv-rund{min-width:40px;height:40px;padding:0 6px;font-size:15px}.kv-me-anzeige{gap:5px;flex-wrap:nowrap}.kv-me-bpm{min-width:96px}.kv-me-bpm input{font-size:46px}.kv-gross{padding:12px 18px;min-width:100px}}
@media (max-width:900px){.kv-wz-seite .kv-vertrauen{display:none}}
/* Stimmgerät */
.kv-sg-skala{position:relative;max-width:340px;margin:14px auto 0;text-align:center}
.kv-sg-skala svg{width:100%;height:auto;display:block}
.kv-sg-nadel{transform-origin:150px 150px;transition:transform .15s ease-out}
.kv-sg-ton{font:500 56px/1 "Space Grotesk",system-ui,sans-serif;color:#E8EAEE;margin-top:-4px}
.kv-sg-ton sub{font-size:20px;color:#9AA3AF;margin-left:2px}
.kv-sg-werte{display:flex;justify-content:center;gap:18px;color:#9AA3AF;font-size:15px;margin-top:6px}
.kv-sg-cent{color:#F2A33A;font-weight:600}
[data-stimmt="1"] .kv-sg-ton,[data-stimmt="1"] .kv-sg-cent{color:#3DD6C6}
[data-stimmt="1"] .kv-sg-nadel line,[data-stimmt="1"] .kv-sg-nadel circle{stroke:#3DD6C6;fill:#3DD6C6}
.kv-sg-saiten{display:flex;flex-wrap:wrap;gap:8px}
.kv-sg-saiten .kv-rund sub{font-size:11px;color:#9AA3AF}
.kv-sg-saiten .kv-rund.kv-an{border-color:#3DD6C6;color:#3DD6C6}
.kv-mt-knoepfe{display:flex;gap:10px;flex-wrap:wrap}
/* Dezibel */
.kv-db-gross{text-align:center;margin-top:6px}
.kv-db-jetzt{font:500 84px/1 "Space Grotesk",system-ui,sans-serif;color:#3DD6C6}
.kv-db-einheit{font-size:18px;color:#9AA3AF;margin-left:6px}
.kv-db-art{margin:6px 0 0;color:#E8EAEE;min-height:1.5em}
[data-stufe="mittel"] .kv-db-jetzt{color:#F2A33A}
[data-stufe="laut"] .kv-db-jetzt{color:#E5533D}
.kv-db-kurve{position:relative;height:90px;margin:14px 0 6px;border:1px solid #2E3540;border-radius:6px;background:#0F1115;overflow:hidden}
.kv-db-kurve svg{width:100%;height:100%;display:block}
.kv-db-kurve span{position:absolute;right:6px;top:2px;font-size:11px;color:#E5533D}
/* Lautsprecher-Test, Tongenerator */
.kv-ls-raster{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.kv-ls-raster .kv-knopf{width:100%;padding-left:8px;padding-right:8px}
.kv-ls-anzeige{min-height:72px;margin:14px 0;text-align:center}
.kv-ls-hz{display:block;font:500 34px/1.2 "Space Grotesk",system-ui,sans-serif;color:#3DD6C6;min-height:1.2em}
.kv-ls-stand{margin:4px 0 0;color:#E8EAEE}
.kv-tg-kopf{display:flex;align-items:baseline;justify-content:center;gap:8px;flex-wrap:wrap}
.kv-tg-kopf input{width:6ch;font:500 56px/1 "Space Grotesk",system-ui,sans-serif;color:#3DD6C6;background:transparent;border:0;border-bottom:1px solid #2E3540;text-align:right;padding:0}
.kv-tg-kopf input:focus{outline:none;border-color:#F2A33A}
.kv-tg-kopf span{color:#9AA3AF;font-size:18px}
.kv-tg-note{color:#F2A33A;font-weight:500;margin-left:8px}
.kv-tg-skala{display:flex;justify-content:space-between;font-size:12px;color:#9AA3AF;margin-bottom:12px}
.kv-tg-schnell{grid-template-columns:repeat(8,minmax(0,1fr))}
.kv-tg-schnell .kv-rund{min-width:0;width:100%;padding:0 2px}
@media (max-width:620px){.kv-tg-schnell{grid-template-columns:repeat(4,minmax(0,1fr))}.kv-db-jetzt{font-size:68px}.kv-tg-kopf input{font-size:44px}}
/* Startseite: Werkzeug-Raster */
.kv-wz-raster{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.kv-wz-kachel{display:flex;flex-direction:column;gap:4px;padding:14px;min-height:0}
.kv-wz-kachel .kv-symbol{width:34px;height:34px;color:#3DD6C6;margin-bottom:4px}
.kv-wz-kachel:hover .kv-symbol{color:#F2A33A}
.kv-wz-kachel span{font-size:.88rem;color:#9AA3AF}
.kv-wz-kachel em{margin-top:auto}
@media (max-width:620px){.kv-wz-kachel{padding:12px;gap:2px}.kv-wz-kachel span,.kv-wz-kachel em{display:none}.kv-wz-kachel .kv-symbol{width:28px;height:28px}}
@media (max-width:370px){.kv-me-anzeige [data-me-plus="5"],.kv-me-anzeige [data-me-plus="-5"]{display:none}}
/* Breites Werkzeug (Gitarre, Klavier, Schlagzeug) */
.kv-held--breit .kv-lead{max-width:760px}
.kv-held--breit .kv-werkzeug{margin-top:18px}
.kv-wz .kvg{margin:0;border:0;padding:0;background:transparent}
/* Klavier */
.kv-kl-kopf{min-height:34px;margin:4px 0 8px}
.kv-kl-anzeige{color:#9AA3AF;font-size:15px}
.kv-kl-anzeige b{color:#3DD6C6;font:500 22px/1 "Space Grotesk",system-ui,sans-serif}
.kv-kl-anzeige span{margin-left:14px;color:#E8EAEE}.kv-kl-anzeige span b{color:#F2A33A}
.kv-kl-anzeige small{margin-left:12px;color:#9AA3AF}
.kv-kl-tasten{position:relative;height:210px;user-select:none;-webkit-user-select:none;touch-action:none;background:#0F1115;border-radius:0 0 6px 6px;overflow:hidden;border-top:6px solid #2E3540}
.kv-kl-w,.kv-kl-s{position:absolute;top:0;margin:0;padding:0;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.kv-kl-w{height:100%;background:linear-gradient(#f4f1ea,#fff 85%,#e9e5dc);border-right:1px solid #9a968d;border-radius:0 0 5px 5px;display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px}
.kv-kl-w span{font-size:11px;color:#5b5f66;font-weight:600}
.kv-kl-s{height:62%;z-index:2;background:linear-gradient(#2a2d33,#0b0c0e);border-radius:0 0 4px 4px;box-shadow:inset 0 -6px 0 #3a3e45}
.kv-kl-w.kv-an{background:linear-gradient(#bfeee8,#9fe3da)}
.kv-kl-s.kv-an{background:linear-gradient(#2ab3a5,#1a8a7f);box-shadow:none}
.kv-kl-w.kv-ton{box-shadow:inset 0 -26px 0 rgba(242,163,58,.55)}
.kv-kl-s.kv-ton{box-shadow:inset 0 -14px 0 #F2A33A}
.kv-kl-wahl{margin-top:12px}
@media (max-width:620px){.kv-kl-tasten{height:170px}}
/* Tonleitern */
.kv-tl-noten{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.kv-tl-noten span{min-width:46px;padding:8px 10px;text-align:center;border:1px solid #2E3540;border-radius:6px;font:500 20px/1 "Space Grotesk",system-ui,sans-serif;color:#E8EAEE;background:#15181D}
.kv-tl-noten .kv-tl-grund{border-color:#F2A33A;color:#F2A33A}
.kv-tl-info{margin:6px 0 12px}
/* Schlagzeug */
.kv-dr-pads{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.kv-dr-pad{position:relative;height:96px;border-radius:10px;border:1px solid #2E3540;background:radial-gradient(circle at 50% 40%,#2a313b,#15181D 75%);color:#E8EAEE;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;-webkit-tap-highlight-color:transparent}
.kv-dr-pad b{font:500 15px/1.1 "Space Grotesk",system-ui,sans-serif}
.kv-dr-pad kbd{font:600 11px/1 system-ui,sans-serif;color:#9AA3AF;border:1px solid #3A4352;border-radius:4px;padding:3px 6px}
.kv-dr-kick,.kv-dr-snare{border-color:#F2A33A55}
.kv-dr-pad.kv-an{animation:kvDr .18s ease-out}
@keyframes kvDr{0%{background:#3DD6C6;color:#15181D;transform:scale(.96)}100%{}}
.kv-dr-titel{margin:22px 0 10px;font-size:18px}
.kv-dr-seq{margin-top:14px;overflow-x:auto}
.kv-dr-zeile{display:grid;grid-template-columns:96px minmax(0,1fr);align-items:center;gap:8px;margin-bottom:5px}
.kv-dr-zeile span{font-size:13px;color:#9AA3AF;white-space:nowrap}
.kv-dr-schritte{display:grid;grid-template-columns:repeat(16,minmax(14px,1fr));gap:3px}
.kv-dr-schritte button{height:26px;border:1px solid #2E3540;border-radius:4px;background:#15181D;cursor:pointer;padding:0}
.kv-dr-schritte button.kv-dr-viertel{border-color:#4A5463}
.kv-dr-schritte button.kv-an{background:#F2A33A;border-color:#F2A33A}
.kv-dr-schritte button.kv-dr-jetzt{outline:2px solid #3DD6C6;outline-offset:-1px}
@media (max-width:620px){.kv-dr-pad{height:76px}.kv-dr-pad kbd{display:none}.kv-dr-zeile{grid-template-columns:62px minmax(0,1fr);gap:4px}.kv-dr-zeile span{font-size:11px;white-space:normal;line-height:1.1}.kv-dr-schritte{gap:2px}.kv-dr-schritte button{height:22px}}
/* Rauschen, Webcam */
.kv-rs-vor{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:14px}
.kv-rs-mixer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px}
.kv-rs-rest{color:#3DD6C6;padding-bottom:14px}
.kv-wc-bild{position:relative;aspect-ratio:16/9;background:#0F1115;border:1px solid #2E3540;border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.kv-wc-bild video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
.kv-wc-bild p{color:#5B6573;margin:0}
[data-aktiv="1"] .kv-wc-bild p{display:none}
.kv-wc-bild video.kv-wc-gespiegelt{transform:scaleX(-1)}
.kv-wc-foto{margin-top:14px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.kv-wc-foto img{max-width:100%;border-radius:6px;border:1px solid #2E3540}
@media (max-width:620px){.kv-rs-vor{grid-template-columns:repeat(2,minmax(0,1fr))}.kv-rs-mixer{grid-template-columns:1fr}}
@media (max-width:370px){.kv-dr-zeile{grid-template-columns:44px minmax(0,1fr)}.kv-dr-zeile span{font-size:10px}.kv-dr-schritte{grid-template-columns:repeat(16,minmax(0,1fr));gap:1px}.kv-dr-schritte button{height:20px;border-radius:2px}}