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var(--card-shadow);z-index:100}.fab-text{display:none}.fab-icon{display:block;font-size:1.8rem;font-weight:300}}.boton-subir{position:fixed;left:20px;bottom:24px;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:var(--card-bg);color:var(--text-color);border:1px solid var(--card-border);box-shadow:var(--shadow-md);cursor:pointer;z-index:100;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--transition),transform var(--transition),background-color var(--transition),color var(--transition)}.boton-subir.visible{opacity:1;visibility:visible;transform:translateY(0)}.boton-subir:hover{background-color:var(--primary-tint);color:var(--primary-text)}@media(max-width:768px){.boton-subir{bottom:calc(80px + 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.logo-sub{color:var(--primary-color)}.auth-title{margin:0;font-size:1.5rem;color:var(--dynamic-title)}.auth-subtitle{margin:0;font-size:.9rem;color:var(--secondary-color)}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field>span{font-size:.82rem;font-weight:600;color:var(--secondary-color)}.auth-error{margin:0;font-size:.85rem;color:var(--error-color);background-color:color-mix(in srgb,var(--error-color) 10%,transparent);border:1px solid color-mix(in srgb,var(--error-color) 30%,transparent);border-radius:var(--radius-sm);padding:8px 12px}.auth-success{margin:0;font-size:.85rem;color:var(--success-color);background-color:color-mix(in srgb,var(--success-color) 10%,transparent);border:1px solid color-mix(in srgb,var(--success-color) 30%,transparent);border-radius:var(--radius-sm);padding:8px 12px}.auth-password{position:relative}.auth-password 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var(--transition)}.afinador-nota-nombre{font-size:5rem;font-weight:800;line-height:1}.afinador-nota-octava{font-size:1.6rem;font-weight:600;opacity:.7}.afinador-escuchando{font-size:1.4rem;font-weight:500}.afinador-detalle{text-align:center;font-size:.95rem;margin:0;min-height:1.4em}.afinador-modo-toggle{display:flex;gap:4px;padding:4px;background-color:var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-pill);margin-bottom:20px}.afinador-modo-toggle button{flex:1;padding:9px 12px;border:none;background:none;color:var(--secondary-color);font-weight:600;font-size:.92rem;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--transition),color var(--transition)}.afinador-modo-toggle button.activo{background-color:var(--primary-color);color:var(--on-primary);box-shadow:0 2px 8px var(--primary-tint-strong)}.afinador-cromatico{display:flex;flex-direction:column;align-items:center;gap:10px}.afinador-dial{width:100%;max-width:320px;height:auto}.afinador-guitarra{display:flex;flex-direction:column;align-items:center;gap:12px}.afinador-guitarra-head{display:flex;flex-direction:column;align-items:center;gap:4px}.afinador-estado{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1rem;transition:color var(--transition)}.afinador-cents-chip{font-size:.8rem;font-weight:600;padding:2px 8px;border-radius:var(--radius-pill);border:1px solid currentColor}.afinador-barra{width:100%;max-width:340px;margin:0 auto;display:flex;flex-direction:column;gap:4px}.afinador-barra-track{position:relative;height:14px;background-color:var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-pill);overflow:hidden}.afinador-barra-zona{position:absolute;top:0;bottom:0;left:44%;width:12%;background-color:color-mix(in srgb,var(--success-color) 22%,transparent);transition:background-color var(--transition)}.afinador-barra-zona.afinada{background-color:color-mix(in srgb,var(--success-color) 55%,transparent)}.afinador-barra-centro{position:absolute;top:-3px;bottom:-3px;left:50%;width:2px;background-color:var(--secondary-color);opacity:.6;transform:translate(-50%)}.afinador-barra-aguja{position:absolute;top:50%;width:16px;height:16px;border-radius:50%;box-shadow:var(--shadow-sm);transform:translate(-50%,-50%);transition:left .07s linear,background-color var(--transition),opacity var(--transition)}.afinador-barra-labels{display:flex;justify-content:space-between;font-size:.95rem;font-weight:700;color:var(--secondary-color);padding:0 4px}.afinador-stage{position:relative;width:100%;max-width:340px;aspect-ratio:1 / 1;margin:0 auto}.afinador-stage-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.afinador-cuerda-chip{position:absolute;transform:translate(-50%,-50%);min-width:40px;height:40px;padding:0 6px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);font-weight:700;font-size:1rem;color:#fff;background-color:#00000080;border:2px solid rgba(255,255,255,.25);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);cursor:pointer;transition:background-color var(--transition),border-color var(--transition),box-shadow var(--transition),transform var(--transition)}@media(hover:hover){.afinador-cuerda-chip:hover{border-color:#fff9;transform:translate(-50%,-50%) scale(1.06)}}.afinador-cuerda-chip.activa{transform:translate(-50%,-50%) scale(1.12);color:#fff}.afinador-cuerda-chip.fija:not(.activa){border-color:var(--primary-color);background-color:var(--primary-tint-strong)}.afinador-auto{align-self:flex-end;margin-top:-4px;padding:5px 12px 5px 6px;border-radius:var(--radius-pill);border:1px solid var(--card-border);background-color:var(--input-bg);color:var(--secondary-color);font-weight:700;font-size:.82rem;letter-spacing:.04em;transition:color var(--transition),border-color var(--transition)}.afinador-auto.on{color:var(--primary-text);border-color:var(--primary-color)}.afinador-cuerda-chip.confirmada{border-color:var(--success-color);background-color:color-mix(in srgb,var(--success-color) 35%,rgba(0,0,0,.5))}.afinador-chip-check{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;background-color:var(--success-color);color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}@keyframes afinador-pulso{0%{box-shadow:0 0 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16%,transparent);color:var(--success-color);font-weight:800;animation:afinador-completo-in .3s ease-out}.afinador-completo-reset{font-size:.82rem;padding:6px 12px}@keyframes afinador-dial-pulso{0%{filter:drop-shadow(0 0 0 transparent)}40%{filter:drop-shadow(0 0 14px color-mix(in srgb,var(--success-color) 70%,transparent))}to{filter:drop-shadow(0 0 0 transparent)}}.afinador-dial.pulso{animation:afinador-dial-pulso .65s ease-out}@media(prefers-reduced-motion:reduce){.afinador-cuerda-chip.pulso,.afinador-dial.pulso,.afinador-completo{animation:none}}.chord-explorer{display:flex;flex-direction:column;gap:20px}.chord-note-grid{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;padding-bottom:8px}.chord-note-grid::-webkit-scrollbar{display:none}@media(min-width:769px){.chord-note-grid{flex-wrap:wrap;overflow-x:visible;scroll-snap-type:none}}.chord-note-btn{padding:10px 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16px;background-color:transparent;color:var(--secondary-color);font-weight:500;font-size:1.1rem;border:none;cursor:pointer;white-space:nowrap;transition:all .25s cubic-bezier(.4,0,.2,1);flex-shrink:0;scroll-snap-align:start}.chord-quality-chip:hover{color:var(--text-color)}.chord-quality-chip.active{background-color:var(--primary-color);color:var(--on-primary);border-radius:20px;font-weight:800;font-size:1.2rem;transform:scale(1.05);box-shadow:0 4px 12px var(--card-shadow)}.chord-main-display{display:flex;flex-direction:column;align-items:center;gap:12px;padding:30px 20px;border-radius:20px;position:relative;box-shadow:0 10px 30px var(--card-shadow)}.chord-main-name{font-size:2rem;font-weight:800;color:var(--primary-text);margin:0;text-align:center}.chord-nav-btn{position:absolute;top:50%;transform:translateY(-50%);background:var(--card-bg);border:1px solid var(--card-border);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-color);transition:all .2s;box-shadow:0 4px 12px var(--card-shadow);z-index:2;opacity:0}.chord-main-display:hover .chord-nav-btn{opacity:1}.chord-nav-btn:hover{color:var(--primary-text);border-color:var(--primary-color);transform:translateY(-50%) scale(1.1)}.chord-nav-btn.left{left:-50px}.chord-nav-btn.right{right:-50px}@media(max-width:768px),(hover:none){.chord-nav-btn{display:none}}.chord-positions-dots{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:16px;width:100%}.chord-position-dot{width:10px;height:10px;border-radius:50%;background-color:var(--secondary-color);border:none;cursor:pointer;transition:all .3s;padding:0;opacity:.4}.chord-position-dot:hover{opacity:.8}.chord-position-dot.active{background-color:var(--text-color);opacity:1;transform:scale(1.2)}.chord-notation-toggle{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:16px;border:1px solid var(--card-border);background:transparent;color:var(--secondary-color);font-size:.8rem;cursor:pointer;transition:all .2s}.chord-notation-toggle:hover{background-color:var(--button-hover)}@media(max-width:768px){.chord-note-grid{grid-template-columns:repeat(4,1fr);gap:5px}.chord-note-btn{padding:10px 2px;font-size:.85rem}.chord-main-name{font-size:1.5rem}}.chord-popup-desktop{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;box-shadow:0 12px 32px #00000059;padding:16px;z-index:10002;min-width:200px;max-width:260px}.chord-popup-mobile{position:fixed;bottom:0;left:0;right:0;background-color:var(--card-bg);border-top-left-radius:20px;border-top-right-radius:20px;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom));z-index:10002;box-shadow:0 -8px 32px #0000004d}.chord-popup-body{display:flex;flex-direction:column;gap:4px}.chord-popup-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.chord-popup-name{margin:0;font-size:1.2rem;font-weight:800;color:var(--primary-text)}.chord-popup-instrumento{appearance:none;-webkit-appearance:none;background-color:var(--input-bg);color:var(--text-color);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:5px 26px 5px 10px;font-size:.82rem;font-weight:600;cursor:pointer;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' 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16px}.cancionero-biblioteca-abrir{flex:1;display:flex;flex-direction:column;gap:2px;background:none;border:none;text-align:left;cursor:pointer;color:var(--text-color);min-width:0}.cancionero-biblioteca-nombre{font-weight:700;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cancionero-biblioteca-meta{font-size:.85rem;color:var(--secondary-color)}.cancionero-biblioteca-acciones{display:flex;gap:4px;flex-shrink:0}.cancionero-editor-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.cancionero-pdf-btn{display:inline-flex;align-items:center;gap:8px}.cancionero-editor-acciones{display:flex;align-items:center;gap:8px;min-width:0}.cancionero-guardar{display:inline-flex;align-items:center;gap:6px;background-color:transparent;border:1px solid var(--card-border);color:var(--secondary-color);white-space:nowrap}.cancionero-guardar:hover{filter:none;background-color:var(--button-hover)}.cancionero-guardar.pendiente{border-color:var(--primary-color);background-color:var(--primary-tint);color:var(--primary-text)}.cancionero-guardar.error{border-color:var(--error-color);background-color:color-mix(in srgb,var(--error-color) 10%,transparent);color:var(--error-color)}.cancionero-guardar.error:hover{background-color:color-mix(in srgb,var(--error-color) 16%,transparent)}@media(max-width:420px){.cancionero-guardar span{display:none}}.cancionero-tabs{display:flex;gap:4px;padding:4px;background-color:var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-pill);margin-bottom:16px}.cancionero-tabs button{flex:1;padding:9px;border:none;background:none;color:var(--secondary-color);font-weight:600;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--transition),color var(--transition)}.cancionero-tabs button.activo{background-color:var(--primary-color);color:var(--on-primary)}.cancionero-editor-grid{display:grid;grid-template-columns:1fr;gap:20px}.cancionero-controles{display:flex;flex-direction:column;gap:16px}.cancionero-campo{display:flex;flex-direction:column;gap:6px;position:relative}.cancionero-campo>span{font-size:.82rem;font-weight:600;color:var(--secondary-color)}.cancionero-campo-label{display:inline-flex;align-items:center;gap:6px}.cancionero-campo input[type=range]{accent-color:var(--primary-color)}.cancionero-opciones{display:flex;flex-direction:column;gap:8px}.cancionero-segmented{display:flex;gap:4px;padding:4px;background-color:var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-sm)}.cancionero-segmented button{flex:1;padding:8px 6px;border:none;background:none;color:var(--secondary-color);font-weight:600;font-size:.85rem;border-radius:6px;cursor:pointer;transition:background-color var(--transition),color var(--transition)}.cancionero-segmented.chico button{font-size:.78rem;padding:6px 4px}.cancionero-segmented button.activo{background-color:var(--primary-color);color:var(--on-primary)}.toggle{display:inline-flex;align-items:center;gap:10px;padding:4px 0;border:none;background:none;color:var(--text-color);font-size:.92rem;font-weight:500;cursor:pointer}.toggle-track{position:relative;width:38px;height:22px;border-radius:var(--radius-pill);background-color:var(--card-border);flex-shrink:0;transition:background-color var(--transition)}.toggle.on .toggle-track{background-color:var(--primary-color)}.toggle-thumb{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background-color:#fff;box-shadow:var(--shadow-sm);transition:transform var(--transition)}.toggle.on .toggle-thumb{transform:translate(16px)}.cancionero-lista{display:flex;flex-direction:column;gap:8px;overflow-anchor:none}.cancionero-fila{border:1px solid var(--card-border);border-radius:var(--radius-md);background-color:var(--card-bg)}.cancionero-fila-main{display:flex;align-items:center;gap:8px;padding:8px 10px}.cancionero-fila-drag{display:flex;align-items:center;color:var(--secondary-color);cursor:grab;touch-action:none}.cancionero-fila-titulo{flex:1;display:flex;flex-direction:column;gap:1px;background:none;border:none;text-align:left;cursor:pointer;color:var(--text-color);min-width:0}.cancionero-fila-titulo strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cancionero-fila-pos{color:var(--secondary-color);font-size:.82em;font-weight:600}.cancionero-fila-titulo small{color:var(--secondary-color);font-size:.78rem}.cancionero-fila-seccion{padding:6px 10px 0;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--primary-text)}.cancionero-ajustes{display:flex;flex-direction:column;gap:10px;padding:10px 12px 14px;border-top:1px solid var(--card-border)}.cancionero-ajuste-fila{display:flex;align-items:center;justify-content:space-between;gap:10px}.cancionero-ajuste-fila>span{font-size:.88rem;color:var(--text-color)}.ayuda-campo{display:inline-flex;vertical-align:middle}.ayuda-campo-btn{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;padding:0;border:none;border-radius:50%;background:none;color:var(--secondary-color);cursor:help;transition:color var(--transition),background-color var(--transition)}.ayuda-campo-btn:hover,.ayuda-campo-btn[aria-expanded=true]{color:var(--primary-text);background-color:var(--primary-tint)}.ayuda-campo-globo{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20;padding:8px 10px;border:1px solid var(--primary-color);border-radius:var(--radius-sm);background-color:var(--card-bg);box-shadow:var(--shadow-md);color:var(--text-color);font-size:.78rem;font-weight:400;line-height:1.45;letter-spacing:normal;text-transform:none;opacity:0;pointer-events:none;transition:opacity var(--transition)}.ayuda-campo:hover .ayuda-campo-globo,.ayuda-campo-btn:focus-visible+.ayuda-campo-globo,.ayuda-campo-globo.abierta{opacity:1}.cancionero-aviso{display:block;font-size:.75rem;line-height:1.4;color:var(--primary-text)}.cancionero-pasos{display:flex;align-items:center;gap:8px}.cancionero-pasos-valor{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:6px 8px;border:1px solid var(--card-border);border-radius:var(--radius-sm);background-color:var(--input-bg);color:var(--text-color);font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color var(--transition),border-color var(--transition)}.cancionero-pasos-valor:hover:not(:disabled){background-color:var(--primary-tint);border-color:var(--primary-color)}.cancionero-pasos-valor:disabled{cursor:default}.cancionero-pasos-valor small{font-size:.72rem;font-weight:500;color:var(--secondary-color)}.cancionero-boton-seccion{max-width:200px;min-width:0;gap:2px;font-size:.85rem;font-weight:500}.cancionero-boton-seccion-nombre{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.seccion-grupo{display:flex;flex-direction:column;gap:8px}.seccion-grupo-titulo{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--secondary-color)}.seccion-chips{display:flex;flex-wrap:wrap;gap:6px}.seccion-chip{padding:7px 14px;border:1px solid var(--card-border);border-radius:var(--radius-pill);background-color:var(--input-bg);color:var(--text-color);font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color var(--transition),border-color var(--transition),color var(--transition)}.seccion-chip:hover{background-color:var(--primary-tint);border-color:var(--primary-color)}.seccion-chip[aria-pressed=true]{background-color:var(--primary-color);border-color:var(--primary-color);color:var(--on-primary)}.cancionero-resultado{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--card-border);border-radius:var(--radius-sm);background-color:var(--input-bg);color:var(--text-color);cursor:pointer;text-align:left}.cancionero-resultado-num{min-width:28px;font-weight:700;color:var(--primary-text)}.app-footer{margin-top:48px;padding:20px 16px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--card-border);text-align:center;color:var(--secondary-color);font-size:.85rem;display:flex;flex-direction:column;gap:8px;align-items:center}.app-footer-links{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:center}.app-footer a{color:var(--primary-text);text-decoration:none}.app-footer 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