.mode-switch{width:100%;display:flex}.mode{flex:1;justify-content:center}.journey-chapters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 19px}.journey-chapters button{padding:8px 15px;border:1px solid var(--line);border-radius:20px;background:var(--surface-2);font-size:13px;color:var(--muted)}.journey-chapters button[aria-pressed=true]{background:var(--ink);color:var(--surface);border-color:var(--ink)}.levels:before{background:var(--line)}.level-number{min-width:36px;width:auto;padding:0 7px}.level-status{display:block}.lesson-panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:24px;box-shadow:var(--shadow)}.lesson-coach{display:flex;align-items:flex-start;gap:19px;padding:26px 28px;background:linear-gradient(110deg,var(--tint),var(--surface) 80%)}.lesson-coach>div:nth-child(2){flex:1;min-width:0}.lesson-coach h2{margin:8px 0 10px;font-size:26px}.lesson-coach p{font-size:16px;line-height:1.75;color:var(--ink);max-width:740px}.lesson-coach .lesson-note{font-size:14px;color:var(--muted);margin-top:10px}.pip{flex-shrink:0;display:grid;place-items:center;width:51px;height:55px;transform:rotate(-7deg);border-radius:16px;background:var(--accent);color:var(--accent-ink);font:700 23px monospace;box-shadow:0 5px 0 color-mix(in srgb,var(--accent),black 30%)}.lesson-ready{align-self:center;white-space:nowrap;padding:12px 15px;font-size:13px}.lesson-key-strip{padding:15px 28px;display:flex;align-items:center;flex-wrap:wrap;gap:15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lesson-key-strip>span{font-size:13px;font-weight:650}.lesson-key-strip>div{display:flex;gap:7px;flex-wrap:wrap;flex:1}.lesson-key-strip kbd{min-width:29px;text-align:center;line-height:1.5;font-size:16px;background:var(--surface-2);border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;color:var(--ink)}.lesson-key-strip small{font-size:12px;color:var(--muted)}.finger-guide{display:flex;align-items:center;gap:24px;padding:20px 28px}.finger-hands{display:flex;gap:5px;align-items:flex-end;min-height:56px}.finger{display:grid;place-items:center;width:19px;height:35px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;color:var(--muted)}.finger:nth-child(2),.finger:nth-child(7){height:45px}.finger:nth-child(3),.finger:nth-child(6){height:54px}.finger:nth-child(4),.finger:nth-child(5){height:47px}.finger:nth-child(4){margin-right:16px}.finger.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:0 0 0 4px var(--tint)}.finger-guide p{flex:1;line-height:1.65}.finger-guide strong{display:block;font-size:17px;margin-bottom:4px}.finger-guide p>span{display:block;color:var(--muted);font-size:14px}.lesson-rules{display:flex;gap:7px;flex-wrap:wrap;padding:0 28px 22px}.lesson-rules>span{font-size:12px;padding:6px 10px;border-radius:6px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}.key.unlearned:not(.next):not(.down){opacity:.38}.key[data-code=KeyF]:after,.key[data-code=KeyJ]:after{content:'';position:absolute;bottom:5px;left:40%;width:20%;height:2px;background:currentColor;opacity:.7}.key{position:relative}#progress-stats{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.mode{padding:12px 10px;gap:7px}.mode small{display:none}.lesson-coach{flex-wrap:wrap}.lesson-ready{margin-left:70px}.levels{gap:4px}.level-title{font-size:11px}}
@media(max-width:640px){.mode{font-size:12px;gap:5px;min-width:0}.mode-symbol{font-size:18px}.journey-chapters{gap:5px}.journey-chapters button{font-size:12px;padding:7px 10px}.lesson-coach{padding:21px 18px;gap:13px}.pip{width:37px;height:42px;font-size:20px;border-radius:11px}.lesson-coach h2{font-size:21px}.lesson-coach p{font-size:15px}.lesson-ready{margin-left:50px}.lesson-key-strip{padding:13px 18px;gap:10px}.finger-guide{flex-direction:column;gap:16px;padding:20px 18px;align-items:flex-start}.finger-guide p{margin:0}.lesson-rules{padding:0 18px 18px}.lesson-rules>span{font-size:11px}.levels{display:flex;gap:8px}.level{min-width:100px;max-width:100px}.level-title{font-size:12px}#progress-stats{grid-template-columns:repeat(2,1fr)}.aside-heading{gap:12px}.aside-heading>span:last-child{font-size:11px;text-align:right;line-height:1.5}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.lesson-panel.compact .lesson-coach{padding:12px 24px;align-items:center}.lesson-panel.compact .lesson-coach h2{font-size:17px;margin:4px 0 0}.lesson-panel.compact .lesson-coach p,.lesson-panel.compact .lesson-key-strip,.lesson-panel.compact .lesson-rules{display:none}.lesson-panel.compact .pip{width:32px;height:34px;font-size:17px;border-radius:10px}.lesson-panel.compact .lesson-coach .level-label{font-size:10px}.lesson-panel.compact .finger-guide{padding:15px 24px}.lesson-panel.compact .finger-guide p>span{font-size:13px}.lesson-panel.compact .finger-guide strong{font-size:16px}.lesson-panel.compact .lesson-ready{margin-left:0;font-size:12px;padding:9px 12px}
@media(max-width:640px){.lesson-coach{display:grid;grid-template-columns:37px minmax(0,1fr)}.lesson-ready{grid-column:2;justify-self:start;margin-left:0;max-width:100%;white-space:normal}.lesson-panel.compact .lesson-coach{grid-template-columns:32px minmax(0,1fr)}.lesson-coach .level-label{letter-spacing:1px;line-height:1.6}.mode{overflow-wrap:anywhere}.lesson-panel.compact .finger-guide{padding:15px 18px}}
.pip,.finger.active{color:var(--bg)}