*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--font-sans: "Satoshi", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 10px;--radius-sm: 6px;--radius-lg: 16px;--ease: cubic-bezier(.4, 0, .2, 1);--spring: cubic-bezier(.34, 1.56, .64, 1);--transition: .2s var(--ease);--transition-slow: .4s var(--ease);--neon-cyan: #09cede;--neon-blue: #2987e6;--neon-purple: #9846ea;--neon-magenta: #e648d8;--neon-pink: #f749a2;--neon-coral: #f57064;--neon-amber: #fab123;--brand-grad: linear-gradient(100deg, var(--neon-cyan), var(--neon-blue) 28%, var(--neon-purple) 55%, var(--neon-pink) 80%, var(--neon-coral))}html{font-size:14px}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}.app.dark{--bg: #0a0b0d;--bg-surface: #101216;--bg-raised: #161920;--bg-hover: #1d212a;--bg-active: #252a34;--border: #23272e;--border-subtle: #171a20;--text: #e9ebee;--text-2: #79818c;--text-3: #3a4049;--accent: #2987e6;--accent-2: #5ba7ef;--accent-dim: rgba(41,135,230,.1);--accent-glow: rgba(41,135,230,.22);--ember: #ffc233;--ember-dim: rgba(255,194,51,.14);--glass: rgba(10,11,13,.86);--glass-border: rgba(255,255,255,.06);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--shadow-sm: 0 2px 12px rgba(0,0,0,.3)}.app.light{--bg: #f4f5f6;--bg-surface: #fbfbfc;--bg-raised: #fff;--bg-hover: #eceef0;--bg-active: #dfe2e6;--border: #d9dde1;--border-subtle: #e7eaed;--text: #14171a;--text-2: #5c646d;--text-3: #9aa2aa;--accent: #00707a;--accent-2: #005a63;--accent-dim: rgba(0,112,122,.09);--accent-glow: rgba(0,112,122,.18);--ember: #c98b00;--ember-dim: rgba(201,139,0,.14);--glass: rgba(244,245,246,.9);--glass-border: rgba(0,0,0,.06);--shadow-lg: 0 8px 40px rgba(0,0,0,.12);--shadow-sm: 0 2px 12px rgba(0,0,0,.08)}.app.dark.midnight{--bg: #060818;--bg-surface: #0c1026;--bg-raised: #141a32;--bg-hover: #1c243e;--bg-active: #24304c;--border: #1c2842;--border-subtle: #141e36;--accent: #5b8def;--accent-2: #7ba4ff;--accent-dim: rgba(91,141,239,.08);--accent-glow: rgba(91,141,239,.18);--glass: rgba(6,8,24,.85);--glass-border: rgba(91,141,239,.08)}.app.dark.ember{--bg: #100a06;--bg-surface: #181008;--bg-raised: #221810;--bg-hover: #2c2018;--bg-active: #362820;--border: #281e14;--border-subtle: #1e160e;--accent: #e07830;--accent-2: #f09040;--accent-dim: rgba(224,120,48,.08);--accent-glow: rgba(224,120,48,.18);--glass: rgba(16,10,6,.85);--glass-border: rgba(224,120,48,.08)}.app.dark.vapor{--bg: #0c0614;--bg-surface: #140c1e;--bg-raised: #1e142a;--bg-hover: #281c36;--bg-active: #322442;--border: #22182e;--border-subtle: #1a1226;--accent: #d050a0;--accent-2: #e868b8;--accent-dim: rgba(208,80,160,.08);--accent-glow: rgba(208,80,160,.18);--glass: rgba(12,6,20,.85);--glass-border: rgba(208,80,160,.08)}.app.dark.sage{--bg: #060e08;--bg-surface: #0c160e;--bg-raised: #141e16;--bg-hover: #1c2a1e;--bg-active: #243226;--border: #1a2a1c;--border-subtle: #121e14;--accent: #40b870;--accent-2: #58d088;--accent-dim: rgba(64,184,112,.08);--accent-glow: rgba(64,184,112,.18);--glass: rgba(6,14,8,.85);--glass-border: rgba(64,184,112,.08)}.app{min-height:100vh;background:var(--bg);color:var(--text);position:relative;overflow-x:hidden}.ambient-glow{position:fixed;top:-40%;left:5%;width:90%;height:90%;pointer-events:none;z-index:0;border-radius:50%;background:radial-gradient(ellipse,var(--glow-color, rgba(212,160,23,.03)),transparent 70%);filter:blur(100px);transition:background 3s ease;opacity:.7}.icon-btn{width:34px;height:34px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-raised);color:var(--text-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all var(--transition)}.icon-btn:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--text)}.streak-badge{display:flex;align-items:center;gap:4px;height:34px;padding:0 10px;border-radius:var(--radius);border:1px solid 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var(--border);border-radius:var(--radius-sm);background:var(--bg-raised);color:var(--text);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23666' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;transition:border-color var(--transition)}.key-select:focus{outline:none;border-color:var(--accent)}.fretboard-container{width:100%;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-surface);border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm),0 0 60px #00000026}.fretboard-viewport{overflow-x:auto;overflow-y:hidden;padding:8px 0}.fretboard-viewport:focus-visible{outline:2px solid 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circle:not(.note-glow){filter:brightness(1.15)}.note-group.ghosted{opacity:.18}.note-group.passing-tone{opacity:1}.note-group.passing-tone:hover circle{filter:brightness(1.3);opacity:.5}.fretboard-container{--note-surface: var(--bg)}.fretboard-container.style-membrane,.fretboard-container.style-islands{--note-surface: #0a0c12}:is(.note-group,.heard-note) .note-disc{stroke:#0a0c11}:is(.note-group:is(.note-tier-root,.note-tier-focus,.note-tier-lit,.note-tier-heard),.heard-miss,.heard-neutral) .note-disc{stroke:color-mix(in oklch,var(--note-color) 42%,#0A0C11)}:is(.note-group,.heard-note) .note-edge{fill:none;stroke:#ffffff1a;pointer-events:none}:is(.note-group,.heard-note) .note-spec{fill:#fff;opacity:.6;pointer-events:none}:is(.note-group,.heard-note) .note-glint{fill:#fff;opacity:.22;pointer-events:none}:is(.note-group,.heard-note) .note-glow{pointer-events:none}.note-group .note-ring-casing{fill:none;stroke:#05070c66;pointer-events:none}.note-group 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:is(button,select,summary,input):focus-visible{outline:2px solid var(--accent);outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.app .shell-header{display:flex;flex-wrap:wrap;gap:24px;align-items:center;padding:24px 0 20px;margin:0 32px;background:none;border:0;border-bottom:1px solid var(--border);box-shadow:none;position:relative;flex-shrink:0}.app .shell-header:after,.app .shell-header:before,.app .jam-stage:before,.app .flow-stage:before,.app .lessons-stage:before,.app .study-stage:before{display:none}.app .shell-brand{width:auto;margin:0 36px 0 0;gap:0}.stage-wordmark{font:550 24px var(--font-sans);letter-spacing:-.8px;color:var(--text)}.app .mode-switch{display:flex;align-items:center;background:none;border:0;box-shadow:none;padding:0;gap:28px}.app .mode-btn{position:relative;min-height:44px;padding:8px 0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--text-2);font-size:14px;font-weight:400}.app .mode-btn:before,.app .mode-btn:after{display:none}.app .mode-btn.active{color:var(--text);background:none;box-shadow:none}.app .mode-btn.active:after{content:"";display:block;position:absolute;left:0;right:0;bottom:1px;height:1px;background:var(--accent)}.app .mode-btn:hover{color:var(--text);background:none;transform:none}.app .shell-right{margin-left:auto}.app .shell-actions{gap:12px}.app .shell-actions .icon-btn{background:none;border:0;box-shadow:none;min-height:44px;min-width:32px;color:var(--text-2)}.app .shell-actions .key-select{background-color:transparent;border:0;border-radius:0;box-shadow:none;color:var(--text-2)}.app .intro-wordmark{display:block;font-size:36px;margin:24px auto}.mode-icon,.intro-close{display:none}.app.mode-flow{height:auto;min-height:100dvh;overflow:visible}.app.dark.mode-flow{background:radial-gradient(ellipse at 87% 5%,#09202b40,transparent 35%),var(--bg)}.app .stage-redesign{display:flex;flex-direction:column;justify-content:flex-start;flex:1;gap:0;width:100%;max-width:1680px;margin:0 auto;padding:6px 32px 0;overflow:visible}.stage-redesign .stage-context{position:relative;isolation:isolate;z-index:4;display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);grid-template-rows:auto minmax(210px,auto);column-gap:16px}.stage-eyebrow{grid-column:1 / -1;grid-row:1;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}.stage-free{font-size:11px;letter-spacing:.02em;color:var(--text-2)}.app .stage-redesign .stage-context{z-index:2}.app .stage-redesign .stage-context:has(.pill-pop){z-index:60}.stage-context .stage-session-copy{grid-column:1;grid-row:2;position:relative;z-index:2;pointer-events:none}.stage-context .torus-field{display:block;width:100%;height:100%;min-width:0;min-height:0;contain:size}.stage-session-copy :is(button,select,summary,details){pointer-events:auto}.stage-session-copy h1{color:var(--text);font-size:clamp(38px,4.3vw,58px);font-weight:500;line-height:1.12;letter-spacing:-1.7px;margin:0 0 18px;padding-top:2px}.stage-formula{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin:6px 0 0;font-size:13px;font-weight:400;letter-spacing:0;line-height:1;color:var(--text-2)}.stage-formula>span{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 4px;border-radius:11px}.stage-formula>.stage-formula-note{color:var(--text);font-weight:600;box-shadow:inset 0 0 0 1.5px var(--note-ring, var(--accent)),0 0 0 1px var(--border)}.app.light .stage-formula>.stage-formula-note{box-shadow:inset 0 0 0 1.5px color-mix(in oklch,var(--note-ring, var(--accent)) 70%,#000),0 0 0 1px var(--border)}.stage-jams{display:flex;gap:32px;align-items:center}.stage-redesign button,.stage-redesign select{font-family:var(--font-sans)}.stage-jams button,.stage-range-controls button,.stage-motion,.stage-sound-link,.stage-settings-link,.session-done,.stage-status button,.stage-lessons-link,.stage-neck-toggle{position:relative;min-height:44px;padding:10px 0;background:none;border:0;box-shadow:none;border-radius:0;color:var(--text-2);font-weight:400}.stage-jams button{font-size:15px}.stage-jams button[aria-pressed=true]{color:var(--text)}.stage-jams button[aria-pressed=true]:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}.stage-redesign button:hover{color:var(--text)}.stage-intention{margin-top:10px;font-size:14px;line-height:1.6;color:var(--text-2)}.stage-session-summary{color:var(--text-2);font-size:13px;margin:10px 0 0}.stage-session-copy .jam-whisper{margin-top:10px;color:var(--text-2);font-size:13px;max-width:55%}.stage-changes-line{font-size:15px;margin-top:12px;color:var(--text-2)}.stage-changes-line b{color:var(--text);font-weight:500}.stage-redesign.playing .stage-context{grid-template-rows:auto minmax(150px,auto)}.stage-redesign.playing h1{font-size:44px}.stage-session-links{display:flex;align-items:center;flex-wrap:wrap;gap:0 24px;margin-top:4px}.session-pills,.session-pills *{pointer-events:auto}.session-pills{position:relative;z-index:20;margin-top:8px}.session-pills{display:inline-flex;max-width:100%}.session-pills:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;border-radius:999px;pointer-events:none;background:linear-gradient(180deg,#ffffff14,#ffffff08),#10141c6b;-webkit-backdrop-filter:blur(20px) saturate(160%);backdrop-filter:blur(20px) saturate(160%);box-shadow:inset 0 1px #ffffff24,inset 0 0 0 1px #ffffff17,0 10px 26px -16px #000c}.session-pills-track{display:inline-flex;flex-wrap:wrap;align-items:center;gap:0;max-width:100%}.pill-slot+.pill-slot{border-left:1px solid rgba(255,255,255,.09)}.pill-slot{position:relative}.app .session-pills .pill{height:40px;display:inline-flex;align-items:center;gap:7px;padding:0 14px;border:0;border-radius:999px;color:var(--text);background:none;box-shadow:none;transition:background .2s,color .2s}.app .session-pills .pill:hover{background:#ffffff0f}.app .session-pills .pill.is-open{background:color-mix(in oklch,var(--accent) 18%,transparent);box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--accent) 55%,transparent)}.pill-k{font-size:9.5px;font-weight:650;letter-spacing:.09em;text-transform:uppercase;color:var(--text-2)}.pill-v{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;letter-spacing:-.005em;color:var(--text);white-space:nowrap}.pill-icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.pill-chip{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;font-size:10px;font-weight:700;color:var(--chip);border:1.5px solid var(--chip)}.pill-pop{position:absolute;left:-6px;top:50px;z-index:40;padding:10px;border-radius:24px;color:var(--text);transform-origin:34px -8px;animation:pill-bloom .34s cubic-bezier(.2,.9,.3,1.08) both;background:linear-gradient(180deg,#ffffff13,#ffffff06),#0f131bb8;-webkit-backdrop-filter:blur(30px) saturate(175%);backdrop-filter:blur(30px) saturate(175%);border:1px solid rgba(255,255,255,.1);box-shadow:inset 0 1px #ffffff29,inset 0 24px 48px -24px #8ce6ff1a,0 40px 90px -30px #000000d9,0 14px 30px -14px #0009}@keyframes pill-bloom{0%{opacity:0;scale:.94;translate:0 -6px}}.pill-keys{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.app .pill-kc{height:52px;border:0;border-radius:14px;font-size:17px;font-weight:600;color:var(--text);background:linear-gradient(180deg,#ffffff1a,#ffffff0a);box-shadow:inset 0 1px #ffffff1f,inset 0 0 0 1px #ffffff12;transition:background .2s,box-shadow .25s,transform .15s}.app .pill-kc.acc{background:linear-gradient(180deg,#00000052,#0000002e);color:var(--text-2)}.app .pill-kc:hover{box-shadow:inset 0 1px #ffffff2e,inset 0 0 0 1px #ffffff38;color:var(--text)}.app .pill-kc:active{transform:scale(.95)}.app .pill-kc[aria-pressed=true],.app .pill-cc.on{color:#fff;background:linear-gradient(180deg,color-mix(in oklch,var(--accent) 45%,transparent),color-mix(in oklch,var(--accent) 20%,transparent));box-shadow:inset 0 1px #ffffff59,inset 0 0 0 1px color-mix(in oklch,var(--accent) 80%,transparent),0 0 24px -4px color-mix(in oklch,var(--accent) 55%,transparent)}.pill-modes,.pill-list{display:flex;flex-direction:column;gap:2px;max-height:min(60vh,520px);overflow-y:auto}.app .pill-mrow{width:100%;min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 10px 7px 14px;border:0;border-radius:14px;text-align:left;color:var(--text);background:none;transition:background .2s,box-shadow .2s}.app .pill-mrow:hover{background:#ffffff0d}.app .pill-mrow[aria-pressed=true]{background:linear-gradient(90deg,color-mix(in oklch,var(--accent) 18%,transparent),color-mix(in oklch,var(--accent) 5%,transparent));box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--accent) 40%,transparent)}.pill-mrow-n{display:flex;flex-direction:column;gap:2px;font-size:15px;font-weight:600}.pill-mrow-v{font-size:12.5px;font-weight:400;color:var(--text-2)}.pill-seg{position:relative;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px;padding:4px;border-radius:16px;background:#0000004d;box-shadow:inset 0 1px 2px #00000080,inset 0 0 0 1px #ffffff0f}.pill-seg-thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px - (var(--n) - 1) * 4px) / var(--n));border-radius:12px;background:linear-gradient(180deg,#ffffff2b,#ffffff0f);box-shadow:inset 0 1px #ffffff47,inset 0 0 0 1px #ffffff1a,0 8px 18px -8px #000000b3,0 0 24px -8px color-mix(in oklch,var(--accent) 60%,transparent);transform:translate(calc(var(--at) * (100% + 4px)));transition:transform .42s cubic-bezier(.3,1.3,.45,1)}.app .pill-seg button{position:relative;z-index:1;height:44px;border:0;border-radius:12px;font-size:14px;font-weight:600;color:var(--text-2);background:none;transition:color .25s}.app .pill-seg button[aria-pressed=true]{color:var(--text)}.pill-desc{margin:10px 6px 2px;font-size:13px;line-height:1.5;color:var(--text-2)}.pill-sound>.pill-cap:first-child{margin-top:4px}.pill-cap{margin:12px 6px 6px;font-size:10.5px;font-weight:650;letter-spacing:.09em;text-transform:uppercase;color:var(--text-2)}.pill-chip-row{display:flex;flex-wrap:wrap;gap:6px}.app .pill-cc{display:inline-flex;align-items:center;gap:6px;height:44px;min-width:52px;padding:0 14px;border:0;border-radius:14px;font-size:14px;font-weight:600;color:var(--text);background:#ffffff0d;box-shadow:inset 0 0 0 1px #ffffff1a;transition:background .2s,box-shadow .2s,transform .15s}.app .pill-cc:hover{background:#ffffff17}.app .pill-cc:active{transform:scale(.96)}.pill-cc svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;opacity:.8}.pill-note{padding:10px 6px;font-size:13px;color:var(--text-2)}.pill-bpm{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px}.app .pill-bpm button,.app .pill-wide{height:44px;min-width:52px;border:0;border-radius:14px;font-size:18px;font-weight:600;color:var(--text);background:#ffffff0f;box-shadow:inset 0 0 0 1px #ffffff1a}.pill-bpm span{font-size:14px;color:var(--text-2)}.pill-bpm b{font-size:22px;font-weight:600;color:var(--text)}.app .pill-wide{width:100%;margin-top:8px;font-size:14px}.app .pill-bpm button:hover,.app .pill-wide:hover{background:#ffffff1a}.app.light .session-pills:before{background:linear-gradient(180deg,#ffffffeb,#ffffffa3);box-shadow:inset 0 1px #fff,inset 0 0 0 1px #141e2d1f,0 10px 24px -16px #141e2d59}.app.light .pill-slot+.pill-slot{border-left-color:#141e2d1a}.app.light .session-pills .pill:hover{background:#141e2d0d}.app.light .session-pills .pill.is-open{background:color-mix(in oklch,var(--accent) 14%,#fff);box-shadow:inset 0 0 0 1px var(--accent)}.app.light .pill-pop{background:linear-gradient(180deg,#fffffff0,#fafbfddb);border-color:#141e2d1a;box-shadow:inset 0 1px #fff,0 30px 70px -30px #141e2d73,0 10px 24px -14px #141e2d4d}.app.light .pill-kc,.app.light .pill-cc,.app.light .pill-bpm button,.app.light .pill-wide{background:#141e2d0a;box-shadow:inset 0 0 0 1px #141e2d1a}.app.light .pill-kc.acc{background:#141e2d17}.app.light .pill-kc[aria-pressed=true],.app.light .pill-cc.on{color:#fff;background:var(--accent);box-shadow:none}.app.light .pill-seg{background:#141e2d0f;box-shadow:inset 0 0 0 1px #141e2d14}.app.light .pill-seg-thumb{background:#fff;box-shadow:0 2px 8px #141e2d2e,inset 0 0 0 1px #141e2d14}.app.light .pill-mrow:hover{background:#141e2d0d}@media(min-width:801px)and (max-height:820px)and (pointer:fine){.session-pills{margin-top:0}.app .session-pills .pill{height:36px}.session-pills .pill-pop{top:44px}.stage-redesign .stage-lessons-link{display:none}}@media(prefers-reduced-motion:reduce){.pill-pop{animation:none}.pill-seg-thumb{transition:none}}.stage-redesign .stage-neck-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 32px;padding:6px 0 10px;border-top:1px solid var(--border)}.stage-redesign .stage-neck-toolbar[hidden]{display:none}.stage-neck-views{display:flex;align-items:center;gap:24px}.stage-fret-count,.stage-view-picker,.fret-style-picker{display:flex;align-items:center;gap:10px;color:var(--text-2);font-size:12px;min-width:0}.app .stage-neck-toolbar .choice-select,.app .fret-style-picker .choice-select{font-size:13px}.app.dark select{color-scheme:dark}.app.light select{color-scheme:light}.stage-fret-count .choice-select{width:64px}.stage-view-picker .choice-select{width:148px}.fret-style-picker{width:354px;flex-shrink:0}.fret-style-caption{flex-shrink:0}.fret-style-control{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.fret-style-control .choice-select{width:100%;min-width:0}.fret-style-preview{width:48px;height:44px;display:block;flex-shrink:0;overflow:hidden;pointer-events:none}.app .choice-select{display:inline-flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;cursor:pointer;height:44px;min-height:44px;padding:4px 6px 4px 4px;color:var(--text);background:transparent;border:0;border-bottom:1px solid var(--border);border-radius:0;box-shadow:none;font-size:14px;font-weight:400;line-height:1.2;transition:border-color .15s}.app .choice-select:hover{border-bottom-color:var(--text-2)}.app .choice-select[aria-expanded=true]{border-bottom-color:var(--accent)}.choice-select>svg{color:var(--text-2);transition:transform .15s}.choice-select[aria-expanded=true]>svg{transform:rotate(180deg)}.choice-select>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.choice-select>svg{width:12px;height:12px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.4}.choice-menu{position:fixed;z-index:500;overflow-y:auto;padding:4px;border:1px solid var(--border);background:var(--bg-raised);color:var(--text);box-shadow:0 12px 32px #0006;font:13px/1.4 var(--font-sans);scrollbar-width:thin}.choice-option{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:9px 12px;cursor:pointer;color:var(--text);background:var(--bg-raised)}.choice-option.active{background:var(--bg-hover);outline:1px solid var(--accent);outline-offset:-1px}.choice-option[aria-selected=true]{font-weight:600}.choice-check{flex-shrink:0;min-width:14px;color:var(--text)}.choice-group-label{padding:12px 12px 4px;background:var(--bg-raised);color:var(--text-2);font-size:11px;letter-spacing:.06em;text-transform:uppercase}.choice-group+.choice-group{border-top:1px solid var(--border);margin-top:4px}.app select option,.app select optgroup{color:var(--text);background:var(--bg-raised)}.app .material-board{border:0;border-radius:0;box-shadow:none;background:none;overflow:hidden}.material-board .fretboard-viewport{padding:4px 0;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.material-board:after{display:none}.material-board .fretboard-svg{min-height:240px;max-height:none}.material-board.windowed-board .fretboard-svg{min-width:0;max-height:390px}.material-board .guitar-string{opacity:.9}.material-board :is(.note-label,.interval-label,.chord-iv-label,.open-string-label,.fret-number){font-family:var(--font-sans)}.material-board .note-label{font-size:calc(12px * var(--marker-scale, 1));font-weight:600}.material-board .interval-label{font-size:calc(9px * var(--marker-scale, 1));font-weight:500}.material-board .note-group{transition:none}.material-board .fret-number{fill:var(--text-2)}.app .stage-redesign .jam-neck{display:block;position:relative;flex:none;height:auto;max-height:none;min-height:0;overflow:visible}.app .stage-redesign .jam-neck .fretboard-svg{min-height:260px;max-height:430px;height:auto}.stage-ear-only{margin:4px 0 0;padding:0;color:var(--text-2);text-align:center;font-size:14px;pointer-events:none}.stage-ear-only span{margin-left:10px;font-size:12px}.stage-ear-only.is-quiet{visibility:hidden}.stage-rangebar{display:flex;align-items:center;flex-wrap:wrap;gap:0 12px;color:var(--text-2);font-size:11px;margin-top:0}.stage-range-info{margin-right:auto}.stage-range-controls{display:flex;align-items:center;gap:6px}.stage-range-controls button{min-width:44px;font-size:25px;padding:0}.stage-range-controls button:first-child:not([aria-label]){font-size:11px;padding-right:10px}.stage-neck-toggle{display:inline-flex;align-items:center;gap:8px;padding:0 0 0 8px;color:var(--accent)}.stage-neck-toggle svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.4;transition:transform .15s}.stage-neck-toggle[aria-expanded=true] svg{transform:rotate(180deg)}.stage-redesign .stage-neck-toggle:hover{color:var(--accent-2)}.app .stage-redesign .stage-dock{position:sticky;bottom:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:clamp(12px,3vh,32px);padding:10px 0 calc(10px + env(safe-area-inset-bottom,0px));background:var(--bg);border-top:1px solid var(--border)}@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) and (background: color-mix(in srgb,red 50%,blue)){.app .stage-redesign .stage-dock{background:color-mix(in srgb,var(--bg) 92%,transparent);-webkit-backdrop-filter:blur(18px) saturate(1.2);backdrop-filter:blur(18px) saturate(1.2)}}@media(max-width:600px){.app .stage-redesign .stage-dock{background:var(--bg);-webkit-backdrop-filter:none;backdrop-filter:none}}html:has(.stage-dock){scroll-padding-bottom:calc(var(--stage-dock-h, 150px) + 8px)}.stage-status{flex:1 1 0;min-width:0;padding:0}.stage-status-label{display:flex;align-items:center;gap:8px;color:var(--text-2);font-size:10px;letter-spacing:.06em;text-transform:uppercase}.stage-status-label:before{content:"";display:block;width:4px;height:4px;border-radius:50%;background:var(--accent)}.stage-status h2{font-size:22px;font-weight:450;letter-spacing:-.5px;margin:4px 0 2px;line-height:1.2;color:var(--text)}.stage-status h2 sub{font-size:.55em;vertical-align:baseline;margin-left:2px}.stage-status p{font-size:13px;color:var(--text-2);line-height:1.45}.stage-status .stage-score{margin-top:8px}.stage-score b{color:var(--text);font-weight:500}.stage-status button{font-size:12px;color:var(--accent)}.stage-redesign 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6px - env(safe-area-inset-bottom,0px)),calc(100dvh - 180px));height:auto}}@media(max-width:360px)and (min-height:761px){.explore-title h1{font-size:32px}}@media(max-width:360px){.explore-root-picker{width:80px}.chord-btn{flex-basis:112px}}.app{--gold: var(--ember);--gold-text: var(--ember);--gold-ink: #17120a}.app.light{--gold-text: #8a5d00}.app.mode-learn{height:auto;min-height:100dvh;overflow:visible}.app.dark.mode-learn{background:radial-gradient(ellipse at 87% 5%,#09202b40,transparent 35%),var(--bg)}@media(min-width:621px)and (min-height:501px){.app.mode-learn{height:auto;overflow:visible}}.lessons-index{display:flex;flex-direction:column;flex:1;width:100%;max-width:1680px;margin:0 auto;padding:6px 32px 96px}.lessons-eyebrow{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}.lessons-count{font-size:11px;letter-spacing:.02em;color:var(--text-2)}.lessons-count b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}.app 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.lesson-start{display:inline-flex;align-items:center;gap:14px;min-height:52px;padding:0;background:none;border:0;border-radius:0;box-shadow:none;color:var(--text);font-size:15px;font-weight:500}.lesson-start-icon{display:grid;place-items:center;width:48px;height:48px;flex-shrink:0;border-radius:50%;background:#ffc233;color:#12100a;font-size:21px;line-height:1}.app .lesson-start:hover{color:var(--text)}.app .lesson-start:hover .lesson-start-icon{outline:1px solid var(--ember);outline-offset:3px}.lesson-syllabus-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--border);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2)}.lesson-syllabus-count{letter-spacing:.02em;text-transform:none;font-size:12px;font-variant-numeric:tabular-nums}.lesson-syllabus-count b{color:var(--text);font-weight:600}.lesson-syllabus ol{list-style:none}.lesson-syllabus li{display:grid;grid-template-columns:40px 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var(--border)}.app.light .lesson-row-chip{box-shadow:inset 0 0 0 1.5px color-mix(in oklch,var(--note-ring, var(--accent)) 70%,#000),0 0 0 1px var(--border)}.lesson-row-chip.run{--note-ring: var(--text-2)}.app .lesson-row.owned .lesson-row-chip{background:var(--gold);box-shadow:none;color:var(--gold-ink)}.lesson-stage{padding-bottom:0}.lesson-context{position:relative;z-index:4;display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);grid-template-areas:"eyebrow eyebrow" "copy task";column-gap:56px;padding-bottom:20px}.lesson-eyebrow{grid-area:eyebrow;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px}.lesson-eyebrow-right{display:flex;align-items:center;gap:28px}.app .lesson-back{color:var(--text-2);font-size:12px;padding-right:8px}.app .lesson-back:hover{color:var(--text)}.app .lesson-owned{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0;background:none;border:0;border-radius:0;box-shadow:none;font-size:11px;letter-spacing:.02em;color:var(--text-2)}.app .lesson-owned:hover{color:var(--text)}.lesson-owned-n{display:grid;place-items:center;min-width:24px;height:24px;padding:0 4px;border-radius:12px;border:1px solid var(--border);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text)}.app .lesson-owned.gained{color:var(--gold-text)}.lesson-owned.gained .lesson-owned-n{background:var(--gold);border-color:var(--gold);color:var(--gold-ink);animation:lesson-pop .62s var(--spring)}@keyframes lesson-pop{0%{transform:scale(1)}40%{transform:scale(1.4)}to{transform:scale(1)}}.lesson-copy{grid-area:copy;min-width:0}.app .lesson-stage .lesson-copy h1{margin:8px 0 0;font-size:clamp(38px,4.3vw,58px);font-weight:500;line-height:1.12;letter-spacing:-1.7px;color:var(--text)}.lesson-sub{margin-top:4px;font-size:clamp(18px,1.7vw,22px);letter-spacing:-.3px;line-height:1.3;color:var(--text-2)}.lesson-sub:first-letter{text-transform:uppercase}.lesson-copy .stage-formula{margin-top:16px}.lesson-lede{margin-top:20px;max-width:54ch;font-size:17px;line-height:1.5;letter-spacing:-.1px;color:var(--text);text-wrap:pretty}.lesson-lede b{font-weight:600}.lesson-lede.story{padding-left:14px;border-left:2px solid var(--accent);font-size:15px;line-height:1.55;animation:lesson-in .48s var(--ease)}.lesson-body{margin-top:10px;max-width:62ch;font-size:14px;line-height:1.65;color:var(--text-2)}.lesson-ladder{display:flex;margin-top:22px;border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none}.lesson-ladder::-webkit-scrollbar{display:none}.app .lesson-rung{position:relative;flex:1 0 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var(--border)}.lesson-task-label{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2)}.lesson-task-label:before{content:"";display:block;width:4px;height:4px;border-radius:50%;background:var(--accent)}.lesson-task.ready .lesson-task-label:before{box-shadow:0 0 0 3px var(--accent-glow)}.lesson-task.claimed .lesson-task-label:before,.lesson-task.found .lesson-task-label:before,.lesson-task.done .lesson-task-label:before{background:var(--gold)}.lesson-task-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.lesson-pips{display:flex;gap:8px}.lesson-pip{width:10px;height:10px;border-radius:50%;border:1px solid var(--text-2);transition:background .2s,border-color .2s}.lesson-pip.lit{background:var(--accent);border-color:var(--accent)}.lesson-task.claimed .lesson-pip.lit{background:var(--gold);border-color:var(--gold)}.lesson-instruction{margin-top:14px;font-size:19px;font-weight:400;line-height:1.4;letter-spacing:-.3px;color:var(--text);text-wrap:pretty}.lesson-task.ready .lesson-instruction{color:var(--accent)}.lesson-task.claimed .lesson-instruction{color:var(--gold-text)}.lesson-combo{margin-top:12px;font-size:12px;letter-spacing:.02em;color:var(--gold-text)}.lesson-story{margin-top:16px;padding-left:14px;border-left:2px solid var(--accent);font-size:14px;line-height:1.6;color:var(--text-2);animation:lesson-in .48s var(--ease)}@keyframes lesson-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.lesson-target{display:flex;align-items:center;gap:16px;margin-top:14px}.lesson-target b{display:grid;place-items:center;flex-shrink:0;min-width:40px;height:40px;padding:0 6px;border-radius:20px;font-size:17px;font-weight:600;color:var(--text);box-shadow:inset 0 0 0 2px var(--note-ring, var(--accent)),0 0 0 1px var(--border);transition:background .3s,color .3s}.app.light .lesson-target b{box-shadow:inset 0 0 0 2px color-mix(in oklch,var(--note-ring, var(--accent)) 70%,#000),0 0 0 1px var(--border)}.lesson-target span{font-size:19px;line-height:1.35;letter-spacing:-.3px;color:var(--text);text-wrap:pretty}.lesson-task.found .lesson-target b{background:var(--gold);box-shadow:none;color:var(--gold-ink);animation:lesson-pop .62s var(--spring)}.lesson-task.found .lesson-target span{color:var(--gold-text)}.lesson-more{margin-top:4px}.lesson-more>summary{display:none;list-style:none}.lesson-more>summary::-webkit-details-marker{display:none}.lesson-objective{margin-top:16px;font-size:13px;line-height:1.65;color:var(--text-2);max-width:60ch}.lesson-objective b{font-weight:600;color:var(--text)}.lesson-run{display:flex;align-items:center;gap:14px;margin-top:16px}.lesson-run-name{font-size:12px;letter-spacing:.02em;color:var(--accent);white-space:nowrap}.lesson-progress{flex:1;min-width:40px;height:3px;background:var(--border);overflow:hidden}.lesson-progress div{height:100%;background:var(--accent);transition:width .22s var(--ease)}.lesson-task.done .lesson-progress div{background:var(--gold)}.lesson-run-count{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text);white-space:nowrap}.app .lesson-run-reset{min-height:44px;padding:0 0 0 4px;background:none;border:0;border-radius:0;box-shadow:none;font-size:12px;font-weight:400;color:var(--text-2)}.app .lesson-run-reset:hover{color:var(--text)}.lesson-hint{margin-top:2px;font-size:13px;line-height:1.6;color:var(--text-2)}.lesson-done{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);animation:lesson-in .48s var(--ease)}.lesson-done-tag{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-text)}.lesson-done-verdict{margin-top:8px;font-size:17px;line-height:1.45;letter-spacing:-.2px;color:var(--text);text-wrap:pretty}.lesson-done-verdict b{color:var(--gold-text);font-weight:600}.lesson-done-stats{margin-top:8px;font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-2)}.lesson-twist-lead{margin-top:16px;font-size:14px;line-height:1.6;color:var(--text)}.lesson-twist-lead b{font-weight:600}.lesson-twist-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.app .lesson-twist-btn{min-height:44px;padding:0 16px;background:transparent;border:1px solid var(--accent);border-radius:3px;box-shadow:none;font-size:14px;font-weight:500;color:var(--accent);transition:background .15s,color .15s}.app 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.fretboard-container{max-width:1040px;margin-inline:auto}.lesson-bar{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:0 28px;margin-top:2px;font-size:11px;color:var(--text-2)}.lesson-legend{display:flex;flex-wrap:wrap;align-items:center;gap:4px 18px;padding:8px 0;margin-right:auto}.lesson-legend span{display:inline-flex;align-items:center;gap:7px}.lesson-sw{width:10px;height:10px;flex-shrink:0;border-radius:50%;background:var(--text-2);box-shadow:0 0 0 1px color-mix(in srgb,var(--text) 30%,transparent)}.lesson-sw.scale{background:color-mix(in srgb,var(--text-2) 55%,transparent)}.lesson-sw.heard{background:transparent;border:2px solid var(--text)}.lesson-sw.done{background:radial-gradient(circle at 42% 38%,#b6ece4,#3fb5a8 55%,#123a38);border:1px solid #0A0C11}.lesson-sw.todo{background:radial-gradient(circle at 42% 38%,#2b4547,#14262a 60%,#0a1214);border:1px solid rgba(255,255,255,.14)}.lesson-sw.roll{background:transparent;border:1.5px dashed var(--gold-text)}.lesson-nav{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:0 4px}.app .lesson-nav button{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;background:none;border:0;border-radius:0;box-shadow:none;font-size:13px;font-weight:400;color:var(--text-2)}.app .lesson-nav button:hover{color:var(--text)}.app .lesson-nav button:last-child{padding-right:0}.app .lesson-nav .next{color:var(--accent);font-weight:500}.app .lesson-nav .next:hover{color:var(--accent-2)}.app .lesson-nav .next.beckon,.app .lesson-nav .next.beckon:hover{color:var(--gold-text)}.lesson-nav .next.beckon:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);animation:lesson-beckon 1.6s ease-in-out infinite}@keyframes lesson-beckon{0%,to{box-shadow:0 0 0 0 transparent}50%{box-shadow:0 0 0 5px 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.lesson-rung{min-height:44px;padding-block:1px 4px}}@media(max-width:800px)and (min-height:501px)and (max-height:600px),(max-width:800px)and (orientation:portrait)and (max-height:600px){.app .lesson-stage .lesson-copy h1{font-size:28px}}@media(max-height:500px)and (orientation:landscape){.lesson-stage .lesson-context{display:block;padding:0 0 2px}.lesson-stage .lesson-copy>:not(h1),.lesson-stage .lesson-task,.lesson-stage>.lesson-primer{display:none}.app .lesson-stage .lesson-copy h1{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0}.lesson-stage .lesson-eyebrow{min-height:40px}.app .lesson-stage .lesson-neck .fretboard-svg{height:clamp(90px,calc(100svh - var(--neck-top, 90px) - var(--stage-dock-h, 54px) - var(--below-row, 44px) - 10px - env(safe-area-inset-bottom,0px)),calc(100dvh - 150px));width:auto;max-width:100%;max-height:none;min-height:0;display:block;margin-inline:auto}.lesson-stage 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h1{font-size:38px;letter-spacing:-1.2px;line-height:1.1;margin:0;padding-top:0}.stage-redesign.playing h1{font-size:34px}.stage-formula{font-size:12px;gap:2px 6px;margin-top:6px}.stage-session-summary{font-size:12px;max-width:none;margin-top:10px}.stage-context .torus-field{position:absolute;z-index:-1;grid-area:auto;top:-64px;right:calc(var(--gutter) * -1 - 46px);width:250px;height:190px;max-height:none;opacity:.85;pointer-events:none;-webkit-mask-image:radial-gradient(closest-side,#000 55%,transparent);mask-image:radial-gradient(closest-side,#000 55%,transparent)}.app.light .stage-context .torus-field{opacity:.7}:is(.stage-redesign .stage-jams,.explore-stage .explore-kind){display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:0;margin-top:14px;border-radius:14px;background:color-mix(in oklab,var(--text) 6%,var(--bg));box-shadow:inset 0 0 0 1px color-mix(in oklab,var(--text) 9%,transparent)}:is(.stage-redesign .stage-jams,.explore-stage 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.stage-neck-toolbar{flex-direction:column;align-items:stretch;gap:0;padding-top:2px}.stage-neck-views{gap:18px;justify-content:space-between}.stage-fret-count,.stage-view-picker,.fret-style-picker{font-size:11px;gap:8px}.stage-fret-count .choice-select{width:60px}.stage-view-picker .choice-select{width:140px}.fret-style-picker{width:100%}.fret-style-caption{width:85px}.stage-neck-toolbar .fret-style-preview{display:none}.app .stage-neck-toolbar .choice-select{font-size:13px}.app .stage-redesign .stage-dock{position:sticky;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom,0px) + var(--dock-gap));display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 12px;margin:auto calc(10px - var(--gutter)) 0;padding:8px 14px 8px 16px;border:1px solid color-mix(in oklab,var(--text) 11%,transparent);border-radius:22px;background-color:var(--bg-surface);background-image:linear-gradient(180deg,color-mix(in oklab,var(--text) 6%,transparent),transparent 70%);-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:0 18px 40px -16px #000000e6,inset 0 1px color-mix(in oklab,var(--text) 9%,transparent)}.app.light .stage-redesign .stage-dock{background-color:#fff;background-image:none;border-color:#141e2d1f;box-shadow:0 6px 16px -10px #141e2d38}.app.light .mode-switch{box-shadow:0 -1px #141e2d0a,0 -6px 16px -12px #141e2d29}.stage-status{grid-column:1;grid-row:1}.stage-status h2{font-size:17px;margin:2px 0 1px}.stage-status p{font-size:12px;line-height:1.3}.stage-status-label{font-size:9px}.stage-redesign:not(.playing) .stage-status-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.stage-redesign:not(.playing) .stage-status h2{margin:0 0 1px}.stage-redesign:not(.playing) .stage-status p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.stage-redesign .stage-transport{display:contents}.stage-backing-row{grid-column:1 / -1;grid-row:2;display:flex;align-items:center;gap:14px;overflow-x:auto;padding:2px 4px;margin:0 -4px;scrollbar-width:none}.stage-backing-row::-webkit-scrollbar{display:none}.stage-redesign:not(.playing):not(.metronome-on) .stage-backing-row :is(.backing-switch,.backing-metro-btn:not(.backing-tuner-btn),.backing-bpm,.stage-sound-link){display:none}.stage-redesign.first-visit:not(.playing):not(.metronome-on) .stage-backing-row{display:none}.stage-redesign:not(.playing):not(.first-visit):not(.metronome-on) .stage-dock{grid-template-columns:minmax(0,1fr) auto auto}.stage-redesign:not(.playing):not(.first-visit):not(.metronome-on) .stage-backing-row{grid-column:2;grid-row:1;margin:0;padding:0}.app .stage-redesign:not(.playing):not(.first-visit):not(.metronome-on) .stage-transport .play-btn{grid-column:3}.stage-backing-row>*{flex:none}.stage-transport .backing-controls{gap:10px;flex-wrap:nowrap}.stage-transport .backing-switch{gap:18px}.stage-redesign .stage-transport .backing-switch-btn{font-size:13px}.stage-transport .backing-metro-btn:not(.backing-tuner-btn){font-size:18px;min-width:28px}.stage-transport .backing-tuner-btn{font-size:13px}.stage-transport .stage-sound-link{display:inline-flex;align-items:center}.stage-redesign .stage-transport .play-btn{grid-column:2;grid-row:1;margin:0;gap:10px;min-height:48px;font-size:14px}.stage-transport .play-icon{width:44px;height:44px;font-size:18px}.intro-veil.in-stage{top:0;z-index:45}.intro-skip{min-height:44px;padding:6px 12px}.app .stage-redesign:after{content:"";position:fixed;z-index:2;left:0;right:0;pointer-events:none;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom,0px));height:calc(var(--stage-dock-h, 0px) + var(--dock-gap) + 6px);background:var(--bg)}.stage-status:has(>.echo-beads){display:flex;flex-wrap:wrap;align-items:center;column-gap:12px}.stage-status:has(>.echo-beads)>*{flex:1 0 100%}.stage-status:has(>.echo-beads)>.echo-beads{flex:1 1 0;min-width:0;margin:0}.stage-status:has(>.echo-beads)>button{flex:0 0 auto;min-height:36px;padding-block:4px}.lesson-stage:not(.playing) .stage-status p{-webkit-line-clamp:3;line-clamp:3}.pill-strings{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px}.app .pill-strings .pill-cc{min-width:0;padding:0;justify-content:center}.intro-veil.in-stage .intro-close{display:grid;place-items:center;position:sticky;top:0;z-index:1;justify-self:end;width:44px;height:44px;margin:-8px -6px 0 0;padding:0;border:0;border-radius:50%;background:none;color:var(--text-2);font-size:26px;line-height:1;cursor:pointer}.explore-stage>*{order:1}.explore-stage>:is(.explore-head,.explore-neck,.explore-windowbar,#explore-neck-settings){order:0}.explore-stage>.stage-dock{order:2}.app :is(.stage-backing-row,.position-bar,.chord-grid) :is(button,a):focus-visible{outline-offset:-2px;border-radius:8px}.stage-redesign .stage-transport :is(.backing-switch-btn,.backing-metro-btn,.backing-bpm-btn,.stage-sound-link){min-width:44px}.stage-redesign:is(.playing,.metronome-on) .stage-backing-row{gap:0;justify-content:space-between}.stage-transport .backing-switch{gap:0}.stage-redesign:is(.playing,.metronome-on) .stage-transport :is(.backing-controls,.backing-switch){gap:0}.stage-redesign:is(.playing,.metronome-on) .stage-transport .backing-bpm-btn{min-width:32px}@media(hover:none){.app .mode-btn:not(.active):hover{color:var(--text-2)}.app .session-pills .pill:not(.is-open):hover{background:none}}}@media(max-width:800px)and (min-height:501px)and (max-height:760px),(max-width:800px)and (orientation:portrait)and (max-height:760px){.app{--tabbar-h: 54px}.app .shell-header{min-height:46px;padding:1px 0}.stage-wordmark{font-size:20px}.app .account-menu .upgrade-btn{height:34px;margin:0 0 4px}.stage-session-copy h1{font-size:32px}.stage-redesign.playing h1{font-size:30px}.stage-formula{margin-top:4px}.stage-redesign .stage-jams{margin-top:10px}.stage-session-links{margin-top:8px}:is(.jam-stage,.explore-stage):not(.playing) .stage-status p{-webkit-line-clamp:1;line-clamp:1}.stage-redesign.playing .stage-status>p:not(.stage-score){display:none}.jam-stage.playing .stage-status:has(>.echo-beads)>.stage-status-label{display:none}.stage-redesign.playing .stage-status>h2+p+button{display:none}.session-pills{margin-top:0}}@media(max-width:800px)and (min-height:501px)and (max-height:600px),(max-width:800px)and (orientation:portrait)and (max-height:600px){.app:has(.stage-redesign.playing) .account-menu :is(.upgrade-btn,.account-error){display:none}.stage-session-copy h1{font-size:28px}.stage-redesign.playing h1{font-size:26px}}@media(max-width:380px)and (min-height:501px),(max-width:380px)and (orientation:portrait){.stage-status h2{font-size:16px;text-wrap:balance}}@media(max-width:360px)and (min-height:761px){.stage-session-copy h1{font-size:34px}}@media(max-width:360px){.app{--gutter: 16px}.app .shell-header{margin:0 16px}.app .stage-redesign{padding-left:16px;padding-right:16px}.stage-wordmark{font-size:20px}.stage-status h2{font-size:16px;text-wrap:balance}.stage-transport .backing-controls{gap:6px}.stage-transport .backing-switch{gap:14px}.stage-redesign:is(.playing,.metronome-on) .stage-transport .backing-bpm-btn{min-width:28px}}@media(max-height:500px)and (orientation:landscape){.app .shell-header{flex-wrap:nowrap;gap:16px;margin:0 20px;padding:0;border-bottom:0}.stage-wordmark{font-size:18px}.app .shell-brand{margin-right:4px;flex:none;white-space:nowrap}.app .mode-switch{gap:20px;flex:none}.app .shell-actions>:not(.settings-btn){display:none}.app .shell-right{min-width:0}.app .account-menu{position:relative;min-width:0}.app .account-menu .upgrade-btn{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;height:32px;padding:0 12px;font-size:12px}.app .account-menu .icon-btn{flex:none;width:44px;border:0;background:none}.app .account-menu>:not(.upgrade-btn){flex:none}.app .account-menu .account-error{position:absolute;top:100%;right:0;z-index:5;width:max-content;max-width:min(360px,60vw);padding:4px 10px;border-radius:8px;background:var(--bg-surface);box-shadow:0 8px 20px -10px #0009}.intro-veil.in-stage{top:0;z-index:45}.intro-veil.in-stage .intro-close{display:grid;place-items:center;position:sticky;top:0;z-index:1;justify-self:end;width:44px;height:44px;padding:0;border:0;background:none;color:var(--text-2);font-size:26px;cursor:pointer}.app .mode-btn{font-size:13px}.app .stage-redesign{padding:0 20px}.stage-redesign .stage-context{display:flex;flex-wrap:wrap;align-items:center;gap:0 18px;padding:0 0 2px;grid-template-rows:none}.app .stage-redesign.playing .stage-context{grid-template-rows:none}.stage-context .stage-session-copy{display:contents}.stage-redesign :is(.stage-eyebrow,.stage-intention,.stage-lessons-link,.stage-changes-line,.jam-whisper),.stage-context .torus-field{display:none}.stage-session-copy h1{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0;padding:0}.stage-jams{gap:16px}.stage-jams button{font-size:13px}.stage-session-summary,.stage-session-links,.session-pills{margin:0}.app .session-pills .pill{height:38px}.app .stage-redesign .jam-neck .fretboard-svg{min-width:0!important;min-height:0;max-height:clamp(90px,calc(100svh - var(--neck-top, 120px) - var(--stage-dock-h, 54px) - 6px - env(safe-area-inset-bottom,0px)),calc(100dvh - 180px));height:auto}.stage-redesign .stage-rangebar,.stage-redesign .stage-ear-only{display:none}.app .stage-redesign .stage-dock{margin-top:2px;padding-block:2px}.stage-redesign .stage-status .stage-score{display:none}.stage-redesign:not(.playing) .stage-status-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.stage-redesign .stage-status p{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.stage-status h2{font-size:16px;margin:0}.stage-redesign .stage-transport .play-btn{min-height:44px}.stage-transport .play-icon{width:40px;height:40px;font-size:16px}.app .stage-redesign .stage-dock{background:var(--bg);-webkit-backdrop-filter:none;backdrop-filter:none}.app .session-pills .pill-pop{background:var(--bg-surface);-webkit-backdrop-filter:none;backdrop-filter:none;max-height:calc(100dvh - 104px);overflow-y:auto;overscroll-behavior:contain}.app.light .session-pills .pill-pop{background:#fff}.explore-stage>*{order:1}.explore-stage>:is(.explore-head,.explore-neck,.explore-windowbar,#explore-neck-settings){order:0}.explore-stage>.stage-dock{order:2}}@media(max-height:500px)and (orientation:landscape)and (max-width:700px){.app .shell-header{gap:10px}.app .mode-switch{gap:12px}.app .session-pills .pill{padding:0 9px;gap:5px}}@media(max-width:800px)and (min-height:501px),(max-width:800px)and (orientation:portrait){.app{--gutter: 18px;--tabbar-h: 60px;--dock-gap: 8px}.app .shell-header{min-height:54px;padding-top:max(4px,env(safe-area-inset-top));padding-bottom:4px;margin-inline:max(var(--gutter),env(safe-area-inset-left)) max(var(--gutter),env(safe-area-inset-right))}.stage-wordmark{font-size:21px;font-weight:600;letter-spacing:-.8px}.app .shell-actions .settings-btn{margin-right:-8px;color:var(--text-2)}.app .stage-redesign{padding-top:8px}.app .stage-redesign .stage-context{padding:0 0 12px}.stage-session-copy{position:relative;padding-top:4px}.mobile-session-kind{display:block;width:fit-content;margin-bottom:7px;color:var(--accent);font-size:10px;line-height:1;font-weight:600;letter-spacing:.16em;text-transform:uppercase}.stage-session-copy h1,.stage-redesign.playing .stage-session-copy h1{max-width:calc(100% - 98px);font-size:32px;line-height:1.08;letter-spacing:-1.15px;font-weight:500;padding:0}.stage-formula{margin-top:10px;gap:0 7px;font-size:11px;line-height:18px;color:var(--text-2)}.stage-free{max-width:290px;margin-bottom:12px;font-size:11px;line-height:1.5;color:var(--text-2)}.stage-redesign .stage-session-copy>:is(.stage-jams,.stage-session-summary){display:none}.stage-context .torus-field{top:-38px;right:-50px;width:210px;height:160px;opacity:.24}.app.light .stage-context .torus-field{opacity:.22}.stage-session-links{position:absolute;top:16px;right:0;margin:0}.session-mobile{display:block;width:auto;margin:0}.session-mobile:before{display:none}.app .session-launcher{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:0 12px;border:1px solid var(--border);border-radius:14px;background:var(--bg-surface);color:var(--text);font-size:12px;font-weight:500;cursor:pointer;-webkit-tap-highlight-color:transparent}.session-launcher svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}.app .stage-redesign :is(.jam-neck,.explore-neck){margin-inline:calc(var(--gutter) * -1);margin-top:4px;border-block:1px solid color-mix(in oklab,var(--accent) 14%,var(--border));background:linear-gradient(145deg,color-mix(in oklab,var(--accent) 3%,var(--bg-surface)),var(--bg) 70%)}.app .stage-redesign :is(.jam-neck,.explore-neck) .windowed-board .fretboard-svg{min-height:0;max-height:none;height:auto}.app .stage-redesign .fretboard-container{padding-block:8px 2px}.stage-rangebar{margin-block:4px 12px;min-height:44px;font-size:11px;gap:0 4px}.stage-range-info{color:var(--text-2);font-variant-numeric:tabular-nums}.stage-range-controls button{border-radius:10px}.stage-neck-toggle{min-height:44px;color:var(--text-2)}.stage-neck-toggle svg{width:13px}.stage-ear-only{margin-block:6px 10px;font-size:12px}.stage-ear-only span{display:inline;margin-left:5px;color:var(--text-3)}.app .stage-redesign .stage-dock{border-radius:20px;padding:10px 14px;gap:4px 10px;border-color:color-mix(in oklab,var(--accent) 12%,var(--border));background-image:linear-gradient(160deg,color-mix(in oklab,var(--accent) 4%,transparent),transparent 65%);box-shadow:0 -8px 32px -18px #000c}.stage-status h2{font-size:16px;font-weight:500;letter-spacing:-.3px;line-height:1.25}.stage-status p{color:var(--text-2);font-size:11px;line-height:1.4}.stage-status-label{letter-spacing:.1em}.app .stage-redesign .stage-transport .play-btn{min-height:46px;padding:0 14px;border-radius:13px;gap:8px;background:var(--accent);color:var(--bg);font-size:13px;font-weight:600}.app .stage-transport .play-icon{width:17px;height:24px;border-radius:0;background:none;color:inherit;box-shadow:none;font-size:16px}.app .stage-redesign .stage-transport .play-btn.on{background:var(--bg-raised);color:var(--text);box-shadow:inset 0 0 0 1px var(--border)}.app .mode-switch{padding-inline:max(12px,env(safe-area-inset-left)) max(12px,env(safe-area-inset-right));background:var(--bg);box-shadow:none;border-top-color:color-mix(in oklab,var(--text) 7%,transparent)}.app .mode-btn{font-size:10px;gap:3px;letter-spacing:.02em}.app .mode-btn .mode-icon{width:48px;height:28px}.app .mode-btn .mode-icon svg{width:22px;height:22px}.app .mode-btn.active .mode-icon{background:color-mix(in oklab,var(--accent) 12%,transparent)}.app .mode-btn.active{font-weight:600}.app .explore-stage .explore-head{padding-top:0;gap:14px}.explore-title h1{font-size:32px;letter-spacing:-1px}.explore-controls{gap:12px}.explore-kind{min-height:44px}.app .explore-pickers{padding:4px 0}.app .explore-stage .favorites-row{order:1}.app .lesson-context{padding-top:0}.app .lesson-head h1{font-size:30px}}@media(max-width:800px)and (max-height:700px)and (orientation:portrait){.app{--tabbar-h: 52px;--gutter: 16px;--dock-gap: 6px}.app .shell-header{min-height:44px;padding-block:env(safe-area-inset-top) 0}.app .stage-redesign{padding-top:0}.stage-wordmark{font-size:19px}.stage-free{margin-bottom:5px;font-size:10px;line-height:1.25;max-width:100%}.mobile-session-kind{margin-bottom:4px;font-size:9px}.stage-session-copy h1,.stage-redesign.playing .stage-session-copy h1{font-size:24px;letter-spacing:-.7px}.stage-formula{margin-top:6px;font-size:10px;line-height:14px}.stage-session-links{top:8px}.app .stage-redesign .stage-context{padding-bottom:6px}.app .stage-redesign .fretboard-container{padding-block:2px 0}.stage-rangebar{margin-block:0 6px}.app .stage-redesign .stage-dock{padding-block:8px}.app .stage-redesign .stage-transport .play-btn{min-height:44px}}@media(max-height:500px)and (orientation:landscape){.app .shell-header{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.app .stage-redesign{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}}.session-launcher-jam{display:none}@media(max-width:800px)and (min-height:501px),(max-width:800px)and (orientation:portrait){.app .lessons-index{padding:8px var(--gutter) calc(90px + env(safe-area-inset-bottom))}.lessons-head{position:relative;padding-top:6px}.lessons-head h1{font-size:34px;line-height:1.1;margin:0 0 8px;letter-spacing:-1px}.lessons-head p{font-size:13px}.lessons-eyebrow{min-height:0}.app .lessons-intro{position:absolute;right:0;top:0;font-size:10px;color:var(--text-2)}.lessons-count{margin-bottom:12px}.lesson-hero{margin-top:22px;padding:22px 20px;gap:24px;border:1px solid color-mix(in oklab,var(--accent) 20%,var(--border));border-radius:22px;background:radial-gradient(ellipse at 0 0,color-mix(in oklab,var(--accent) 7%,transparent),transparent 65%),var(--bg-surface)}.lesson-hero h2{font-size:29px;letter-spacing:-.9px;text-wrap:initial;margin:10px 0 12px}.lesson-hero-desc{font-size:13px;line-height:1.6}.lesson-hero-actions{align-self:stretch;gap:14px;margin-top:20px}.lesson-pickers{flex:1 0 100%;gap:16px}.app .lesson-pickers .choice-select{flex:1;min-width:0}.app .lesson-start{display:flex;justify-content:center;gap:10px;width:100%;min-height:50px;border-radius:13px;padding:0 16px;color:var(--bg);background:var(--accent);font-size:14px;font-weight:600}.lesson-start-icon{order:1;width:auto;height:auto;font-size:20px;color:inherit;background:none}.app .lesson-start:hover{color:var(--bg)}.app .lesson-start:hover .lesson-start-icon{outline:0}.lesson-syllabus-head{font-size:9px;padding-bottom:8px}.lesson-syllabus li{font-size:12px;min-height:30px}.lesson-drills{margin-top:32px}.lesson-drills-head h2{font-size:24px}.lesson-group{margin-top:30px}.lesson-group-head{margin-bottom:14px}.lesson-group-head h3{font-size:19px;font-weight:500}.lesson-group-head p{font-size:12px;line-height:1.5}.lesson-rows{border:1px solid var(--border);border-radius:18px;overflow:hidden;background:var(--bg-surface)}.app .lesson-row{padding:14px;min-height:72px;gap:12px}.lesson-row-title{font-size:14px}.lesson-row-hook{font-size:12px;line-height:1.45;margin-top:4px}.lesson-rows li:last-child .lesson-row{border-bottom:0}.lesson-row-chip{flex:none;min-width:38px}.app .lesson-row:active{background:color-mix(in oklab,var(--accent) 6%,var(--bg-surface))}}@media(max-width:800px)and (max-height:700px)and (orientation:portrait){.jam-stage .stage-session-copy h1 .stage-formula{position:absolute;width:1px;height:1px;margin:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.mobile-session-kind,.session-launcher-label{display:none}.session-launcher-jam{display:inline}.stage-session-links{top:0}.stage-session-copy{min-height:44px;display:flex;align-items:center;padding-top:0}.app .stage-redesign .stage-context{padding-bottom:2px}.stage-free{margin-bottom:2px}}.practice-sheet-grip{flex:none;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab}.session-menu-value{overflow:hidden;text-overflow:ellipsis}@media(max-width:800px)and (max-height:700px)and (orientation:portrait){.stage-free{display:none}}@media(max-width:800px)and (max-height:700px)and (orientation:portrait){.app .stage-redesign .jam-neck{margin-top:0}.app .stage-redesign .fretboard-viewport{padding-block:0}.stage-context .stage-session-copy{display:flex;align-items:center}.explore-title{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.app .explore-stage .explore-head{gap:4px;padding-bottom:4px}.explore-controls{gap:4px}.app .explore-pickers{padding-block:0}.lesson-stage .lesson-copy>:is(.lesson-lede,.lesson-sub){order:6}.lesson-stage .lesson-copy>.lesson-ladder{order:5}}.session-menu-value-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-menu-value-text .pill-chip{margin-left:8px}@media(max-width:800px)and (min-height:501px),(max-width:800px)and (orientation:portrait){.app .stage-transport .play-btn.on .play-icon{border:0;background:none;color:inherit}.app .stage-transport .play-btn:hover .play-icon{outline:0}}.mobile-tuner{padding:4px 4px 16px}.app.light .mobile-tuner .mic-error{color:#b42334;border-color:#e7b4bc;background:#fff1f3}.app.light .mobile-tuner :is(.tuner-note.in-tune,.tuner-string.in-tune){color:#087b55;text-shadow:none}