.theory-tool-view{max-width:1300px;margin:auto}.theory-tool{margin-top:28px;padding:clamp(22px,4vw,40px);background:linear-gradient(145deg,#111827,#080c14);border:1px solid #29344b;border-radius:20px}.tool-heading h1{font-size:clamp(2rem,5vw,4.2rem);letter-spacing:-.055em;margin:7px 0}.tool-heading p{color:var(--muted);line-height:1.6}.tool-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:26px 0 16px;padding:16px;border:1px solid #29344b;border-radius:14px;background:#090e17}.tool-controls.caged-controls{grid-template-columns:1fr 1fr}.tool-controls label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:.8rem;font-weight:800}.tool-controls select{min-height:42px;background:#161d2b;color:var(--text);border:1px solid #32405a;border-radius:9px;padding:9px}.tool-result{display:grid;grid-template-columns:.55fr 1.4fr .75fr;gap:24px;align-items:center;padding:24px;border:1px solid #29344b;border-radius:16px;background:#0b101a}.tool-summary,.tool-notes{display:flex;flex-direction:column;gap:9px}.tool-summary>span,.tool-notes>span{color:var(--cyan);font-size:.72rem;font-weight:900;letter-spacing:.15em}.tool-summary>strong{font-size:clamp(3rem,7vw,6rem);line-height:1}.tool-summary small{color:var(--muted)}.tool-summary button{margin-top:12px}.tool-notes strong{font-size:1.25rem;color:var(--green)}.tool-notes p{color:var(--muted);line-height:1.55}.mini-fretboard{overflow:auto;padding:16px;background:#070b12;border:1px solid #263249;border-radius:13px}.mini-fretboard svg{display:block;width:100%;min-width:460px;height:auto}.ht-string{stroke:#8591a5;stroke-width:2}.ht-fret{stroke:#3d4b63}.ht-dot{fill:var(--cyan);stroke:#d9fbff;stroke-width:2}.ht-root{fill:var(--purple)}.ht-label{fill:#071019;text-anchor:middle;dominant-baseline:middle;font-size:11px;font-weight:900}.ht-fret-label{fill:#748197;font-size:11px;text-anchor:middle}.caged-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.caged-card{padding:16px;border:1px solid #29344b;border-radius:14px;background:#0b101a}.caged-card h2{margin:0 0 4px;font-size:1.4rem}.caged-card>span{color:var(--cyan);font-size:.72rem;font-weight:900;letter-spacing:.12em}.caged-card .mini-fretboard{margin:14px 0;padding:8px}.caged-card .mini-fretboard svg{min-width:230px}.caged-card button{width:100%}@media(max-width:1050px){.caged-grid{grid-template-columns:repeat(2,1fr)}.tool-result{grid-template-columns:1fr 1.5fr}.tool-notes{grid-column:1/-1}}@media(max-width:720px){.tool-controls,.tool-controls.caged-controls,.tool-result,.caged-grid{grid-template-columns:1fr}.tool-notes{grid-column:auto}}
.tool-controls.triad-controls{grid-template-columns:repeat(5,1fr)}
@media(max-width:720px){.tool-controls.triad-controls{grid-template-columns:1fr}}
.tool-controls.caged-controls{grid-template-columns:repeat(3,1fr)}.caged-display-legend{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 16px}.caged-display-legend span{display:flex;align-items:center;gap:7px;color:#aab7ca;font-size:.82rem;font-weight:800}.caged-display-legend i{display:grid;place-items:center;min-width:30px;height:28px;padding:0 6px;border:1px solid #3ddff0;border-radius:8px;background:#12253a;color:#8af3ff;font-style:normal;font-size:.72rem;font-weight:900}.caged-display-legend .root-key{background:var(--purple);border-color:#c9b8ff;color:#fff}.field-reference{margin-top:24px;border:1px solid #2d3b55;border-radius:16px;background:#090e17;overflow:hidden}.field-reference summary{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 20px;cursor:pointer;color:#e9eff8}.field-reference summary span{display:flex;gap:12px;align-items:center}.field-reference summary b{color:var(--cyan);font-size:.72rem;letter-spacing:.12em}.field-reference summary small{color:#91a0b5}.field-reference-body{display:grid;gap:22px;padding:0 20px 22px;border-top:1px solid #263249}.field-reference-body section{padding-top:18px}.field-reference-body h3{margin:0 0 12px;font-size:1.15rem}.field-table-wrap{overflow:auto;border:1px solid #293750;border-radius:12px}.field-table-wrap table{width:100%;min-width:760px;border-collapse:collapse;background:#0c121e}.field-table-wrap.compact table{min-width:560px}.field-table-wrap th,.field-table-wrap td{padding:10px 12px;border-right:1px solid #26344b;border-bottom:1px solid #26344b;text-align:center;white-space:nowrap}.field-table-wrap thead th{position:sticky;top:0;background:#152238;color:#65eafa}.field-table-wrap tbody th{position:sticky;left:0;background:#131d2d;color:#5cffaa}.field-table-wrap tr:last-child>*{border-bottom:0}.field-table-wrap tr>*:last-child{border-right:0}.field-table-wrap tbody tr:hover td{background:#132033}@media(max-width:720px){.tool-controls.caged-controls{grid-template-columns:1fr}.field-reference summary span{align-items:flex-start;flex-direction:column;gap:4px}.field-reference-body{padding:0 12px 14px}}
.lesson-playlist-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}.lesson-playlists{display:grid;grid-template-columns:minmax(190px,.62fr) minmax(0,1fr) auto;align-items:center;gap:22px;margin-top:22px;padding:14px;border:1px solid #2a4661;border-radius:16px;background:linear-gradient(135deg,#0b1925,#11132a);overflow:hidden}.lesson-playlists:before{content:'▶  AULAS EM VÍDEO';display:grid;place-items:center;min-height:150px;border-radius:12px;background:radial-gradient(circle at 72% 20%,#775dff99,transparent 32%),linear-gradient(145deg,#083c55,#151329 70%);color:#fff;font-size:1rem;font-weight:950;letter-spacing:.08em;text-align:center;box-shadow:inset 0 0 0 1px #65eaff33}.lesson-playlist-grid .lesson-playlists{margin-top:0;grid-template-columns:150px minmax(0,1fr)}.lesson-playlist-grid .lesson-playlists:before{min-height:118px}.lesson-playlist-grid .lesson-playlists a{grid-column:1/-1}.lesson-playlists span{color:var(--cyan);font-size:.72rem;font-weight:900;letter-spacing:.13em}.lesson-playlists h2{margin:6px 0;font-size:1.25rem}.lesson-playlists p{margin:0;color:var(--muted);line-height:1.5}.lesson-playlists a{flex:0 0 auto;padding:12px 16px;border-radius:9px;background:linear-gradient(90deg,var(--cyan),var(--purple));color:#061019;text-decoration:none;font-weight:900;text-align:center}.lesson-playlists a:focus-visible{outline:3px solid #fff;outline-offset:3px}@media(max-width:900px){.lesson-playlists,.lesson-playlist-grid .lesson-playlists{grid-template-columns:140px minmax(0,1fr)}.lesson-playlists a{grid-column:1/-1}}@media(max-width:720px){.lesson-playlist-grid{grid-template-columns:1fr}.lesson-playlists,.lesson-playlist-grid .lesson-playlists{grid-template-columns:1fr;align-items:stretch}.lesson-playlists:before,.lesson-playlist-grid .lesson-playlists:before{min-height:180px}.lesson-playlists a{grid-column:auto;width:100%}}
.field-table-cta{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center;width:100%;margin:18px 0 8px;padding:18px 20px;border:1px solid #36ddec;border-radius:14px;background:linear-gradient(120deg,#102d3d,#171638);color:#fff;text-align:left;cursor:pointer;box-shadow:0 10px 35px #13cfe51a}.field-table-cta>span{grid-row:1/3;font-size:2rem;color:#62eff8}.field-table-cta b{font-size:1.05rem}.field-table-cta small{color:#a9b8ca;font-size:.84rem}.field-table-cta:hover{transform:translateY(-1px);border-color:#87f6ff}.field-table-cta:focus-visible{outline:3px solid #fff;outline-offset:3px}.field-audio-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:100%;margin-top:14px}.field-audio-controls button{min-height:34px;border:1px solid #2c5970;border-radius:8px;background:#0a1724;color:#b9f6ff;font:700 .73rem/1 system-ui,sans-serif;cursor:pointer}.field-audio-controls button:hover{border-color:#61edf6;background:#10263a;color:#fff}.field-audio-controls button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.triad-field-tool .field-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));margin-top:18px}.triad-field-tool .field-card{display:grid;gap:8px;align-content:start;padding:15px;background:#0b101a;border:1px solid #29344b;border-radius:14px}.triad-field-tool .field-card>span{color:var(--cyan);font-size:.75rem;font-weight:900;letter-spacing:.08em}.triad-field-tool .field-card>strong{font-size:1.5rem}.triad-field-tool .field-card>small{min-height:2.4em;color:var(--muted);font-size:.8rem}.triad-field-tool .mini-fretboard{margin:0;padding:8px;overflow:hidden}.triad-field-tool .mini-fretboard svg{width:100%;min-width:0}.triad-field-tool .field-card button{width:100%}
.tetrad-class-material{margin-top:20px;padding:clamp(18px,3vw,30px);border:1px solid #2f765b;border-radius:20px;background:linear-gradient(145deg,#071a14,#09111c);box-shadow:0 20px 50px #00140c33}.tetrad-class-material[hidden]{display:none}.tetrad-class-material>header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.tetrad-class-material>header span{color:#4aeba3;font-size:.72rem;font-weight:950;letter-spacing:.13em}.tetrad-class-material h3{margin:7px 0;font-size:clamp(1.45rem,3vw,2.25rem)}.tetrad-class-material header p{margin:0;color:#9db3aa;line-height:1.55}.tetrad-class-material>header>strong{flex:0 0 auto;padding:9px 12px;border:1px solid #3a9470;border-radius:99px;color:#62efb1;font-size:.75rem}.tetrad-sheet-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 14px}.tetrad-sheet-tabs button{padding:11px 15px;border:1px solid #315546;border-radius:10px;background:#09140f;color:#b7cabf;font-weight:850;cursor:pointer}.tetrad-sheet-tabs button.active{border-color:#5aefad;background:#164b37;color:#fff}.tetrad-sheet{margin:0;padding:12px;border:1px solid #273c34;border-radius:15px;background:#f7f7f3}.tetrad-sheet[hidden]{display:none}.tetrad-sheet a{display:block}.tetrad-sheet img{display:block;width:100%;max-height:920px;object-fit:contain;border-radius:8px;background:#fff}.tetrad-sheet figcaption{padding:13px 5px 3px;color:#365246;font-size:.88rem;line-height:1.5;text-align:center}@media(max-width:700px){.tetrad-class-material>header{flex-direction:column}.tetrad-sheet-tabs{display:grid}.tetrad-sheet img{max-height:none}}