:root {
  --fondo: #07080d; --superficie: #11131c; --superficie2: #1a1d29; --linea: #262a3a;
  --texto: #e7e9f2; --tenue: #8b90a5; --acento: #38bdf8; --acento2: #a78bfa;
  --bien: #22c55e; --mal: #ef4444; --aviso: #facc15; --radio: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--fondo); color: var(--texto);
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif; overflow: hidden; }
button, select, input { font: inherit; color: inherit; }
button { background: var(--superficie2); border: 1px solid var(--linea); border-radius: 9px; padding: 7px 12px;
  cursor: pointer; transition: background .15s, border-color .15s, transform .08s; white-space: nowrap; }
button:hover:not(:disabled) { border-color: #3b4260; background: #222638; }
button:active:not(:disabled) { transform: scale(.97); }
button:disabled { opacity: .45; cursor: default; }
button.principal { background: linear-gradient(135deg, #0ea5e9, #6366f1); border: 0; font-weight: 600; }
button.icono { padding: 6px 10px; font-size: 17px; line-height: 1; }
button.alternar.activo { border-color: var(--acento); color: #bae6fd; background: rgba(56,189,248,.12); }
button.mini { padding: 3px 9px; font-size: 12px; }
select { background: var(--superficie2); border: 1px solid var(--linea); border-radius: 8px; padding: 6px 8px; }
input[type=range] { accent-color: var(--acento); }
kbd { background: var(--superficie2); border: 1px solid var(--linea); border-bottom-width: 2px; border-radius: 5px; padding: 0 5px; font-size: 12px; }

#app { display: flex; flex-direction: column; height: 100%; }
.barra { display: flex; align-items: center; gap: 14px; padding: 10px 16px; border-bottom: 1px solid var(--linea); background: #0b0d14; }
.marca { font-size: 20px; letter-spacing: -.02em; display: flex; align-items: center; gap: 2px; }
.marca b { font-weight: 800; } .marca span:last-child { font-weight: 300; color: var(--acento); }
.logo { margin-right: 6px; }
.cancion-actual { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cancion-actual span { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cancion-actual small { color: var(--tenue); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pastilla { border-radius: 999px; font-size: 13px; padding: 5px 12px; }
.pastilla.ok { color: #86efac; border-color: rgba(34,197,94,.5); }
.pastilla.mal { color: #fca5a5; border-color: rgba(239,68,68,.5); }
.pastilla.tenue { color: var(--tenue); }

.controles { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 9px 16px; background: #0b0d14; }
.grupo { display: flex; align-items: center; gap: 6px; }
.segmentado { display: flex; background: var(--superficie); border: 1px solid var(--linea); border-radius: 10px; padding: 3px; }
.segmentado button { border: 0; background: transparent; padding: 6px 13px; border-radius: 7px; color: var(--tenue); }
.segmentado button.activo { background: var(--superficie2); color: var(--texto); box-shadow: 0 0 0 1px #343a52; }
.tocar { width: 46px; height: 38px; font-size: 17px; background: linear-gradient(135deg, #0ea5e9, #6366f1); border: 0; }
.deslizador { font-size: 13px; color: var(--tenue); }
.deslizador input { width: 120px; }
.deslizador output { min-width: 44px; color: var(--texto); font-variant-numeric: tabular-nums; }
.volumen input { width: 90px; }

.linea-tiempo { padding: 4px 16px 8px; background: #0b0d14; border-bottom: 1px solid var(--linea); }
.pista-tiempo { position: relative; height: 12px; background: var(--superficie); border-radius: 6px; cursor: pointer; overflow: hidden; touch-action: none; }
.lt-avance { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, #0ea5e9, #8b5cf6); border-radius: 6px; width: 0; pointer-events: none; }
.lt-bucle { position: absolute; top: 0; bottom: 0; background: rgba(250,204,21,.28); border-left: 2px solid var(--aviso); border-right: 2px solid var(--aviso); display: none; pointer-events: none; z-index: 1; }
#lt-errores i { position: absolute; top: 0; bottom: 0; width: 2px; background: rgba(239,68,68,.75); z-index: 2; pointer-events: none; }
.lt-acciones { display: flex; align-items: center; gap: 8px; margin-top: 5px; font-size: 12px; color: var(--tenue); font-variant-numeric: tabular-nums; }
.lt-acciones span { flex: 1; }

.escena { position: relative; flex: 1; min-height: 0; }
#lienzo { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.hud { position: absolute; top: 12px; right: 16px; display: flex; gap: 8px; pointer-events: none; }
.hud-bloque { background: rgba(17,19,28,.78); border: 1px solid var(--linea); border-radius: 10px; padding: 6px 12px; min-width: 70px; text-align: right; backdrop-filter: blur(6px); }
.hud-bloque small { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue); }
.hud-bloque b { font-size: 20px; font-variant-numeric: tabular-nums; }
.hud-bloque i { font-style: normal; color: var(--aviso); font-weight: 700; margin-left: 4px; font-size: 13px; }
.hud-bloque.malo b { color: #fca5a5; }
.hud.practica #hud-puntos, .hud.practica #hud-racha, .hud.demo { display: none; }

.mensaje { position: absolute; left: 50%; top: 18%; transform: translate(-50%, 0); font-size: clamp(18px, 3vw, 30px); font-weight: 700;
  padding: 10px 22px; border-radius: 14px; background: rgba(10,12,20,.82); border: 1px solid var(--linea); pointer-events: none;
  opacity: 0; transition: opacity .25s, transform .25s; white-space: nowrap; max-width: 92vw; overflow: hidden; text-overflow: ellipsis; }
.mensaje.ver { opacity: 1; transform: translate(-50%, -6px); }
.mensaje.bien { color: #86efac; border-color: rgba(34,197,94,.45); }
.mensaje.mal { color: #fca5a5; border-color: rgba(239,68,68,.5); }
.mensaje.info { color: #fde68a; border-color: rgba(250,204,21,.45); }
.mensaje.pop { animation: pop .35s cubic-bezier(.2,1.6,.4,1); }
@keyframes pop { from { transform: translate(-50%, 6px) scale(.85); } }
.pide { position: absolute; left: 50%; top: 32%; transform: translateX(-50%); font-size: clamp(15px, 2vw, 20px); color: #bbf7d0;
  background: rgba(21,128,61,.18); border: 1px solid rgba(34,197,94,.4); padding: 6px 16px; border-radius: 999px; pointer-events: none; opacity: 0; transition: opacity .2s; }
.pide.ver { opacity: 1; }
.cuenta { position: absolute; inset: 0; display: grid; place-items: center; font-size: clamp(80px, 16vw, 180px); font-weight: 800; color: #fff; pointer-events: none;
  text-shadow: 0 0 40px rgba(56,189,248,.6); opacity: 0; }
.cuenta.ver { animation: cuenta .9s ease-out; }
@keyframes cuenta { 0% { opacity: 0; transform: scale(1.5); } 20% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(.9); } }

.avisos { position: absolute; top: 10px; left: 16px; display: flex; flex-direction: column; gap: 8px; max-width: min(560px, calc(100% - 32px)); z-index: 3; }
.aviso { background: rgba(26,29,41,.95); border: 1px solid var(--linea); border-left: 3px solid var(--aviso); border-radius: 10px; padding: 9px 12px; font-size: 13px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; animation: entra .25s ease-out; }
.aviso.mal { border-left-color: var(--mal); } .aviso.ok { border-left-color: var(--bien); }
.aviso p { margin: 0; flex: 1 1 240px; }
.aviso .acciones { display: flex; gap: 6px; flex-wrap: wrap; }
.aviso button { padding: 4px 10px; font-size: 12px; }
@keyframes entra { from { opacity: 0; transform: translateY(-6px); } }

.panel { position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100vw); background: #0d0f17; border-left: 1px solid var(--linea);
  transform: translateX(100%); transition: transform .28s cubic-bezier(.2,.8,.2,1); z-index: 20; display: flex; flex-direction: column; }
.panel.abierto { transform: none; }
.velo { position: fixed; inset: 0; background: rgba(0,0,0,.45); opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 19; }
.velo.ver { opacity: 1; pointer-events: auto; }
.panel-cab { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--linea); }
.pestanas { display: flex; gap: 4px; flex: 1; }
.pestanas button { border: 0; background: transparent; color: var(--tenue); }
.pestanas button.activa { color: var(--texto); background: var(--superficie2); }
.seccion { display: none; overflow-y: auto; padding: 6px 16px 24px; flex: 1; }
.seccion.activa { display: block; }
.seccion h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue); margin: 18px 0 8px; font-weight: 600; }
.seccion h3 small { text-transform: none; letter-spacing: 0; font-weight: 400; }
.lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lista li { display: flex; align-items: center; gap: 10px; background: var(--superficie); border: 1px solid var(--linea); border-radius: 10px; padding: 9px 11px; cursor: pointer; transition: border-color .15s, background .15s; }
.lista li:hover { border-color: #3b4260; }
.lista li.actual { border-color: var(--acento); background: rgba(56,189,248,.08); }
.lista .li-txt { flex: 1; min-width: 0; }
.lista .li-txt b { display: block; font-weight: 600; font-size: 14px; }
.lista .li-txt small { color: var(--tenue); font-size: 12px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lista .marca-progreso { font-size: 12px; color: #86efac; white-space: nowrap; }
.lista .borrar { padding: 2px 7px; font-size: 12px; }
.nivel { font-size: 11px; color: var(--aviso); }
.boton-archivo { display: block; text-align: center; padding: 10px; border: 1px dashed #3b4260; border-radius: 10px; cursor: pointer; margin-bottom: 8px; }
.boton-archivo:hover { border-color: var(--acento); }
.ayuda { color: var(--tenue); font-size: 13px; line-height: 1.55; }
.campo { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 8px 0; font-size: 14px; }
.campo select, .campo input[type=range] { flex: 0 1 220px; }
.check { display: flex; gap: 8px; align-items: center; font-size: 14px; margin: 8px 0; }
.fila-botones { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; align-items: center; }
.mini-campo { font-size: 13px; color: var(--tenue); }
.mini-campo input { width: 64px; background: var(--superficie2); border: 1px solid var(--linea); border-radius: 6px; padding: 4px; }
.pistas { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.pistas li { background: var(--superficie); border: 1px solid var(--linea); border-radius: 10px; padding: 10px 12px; }
.pistas .p-nombre { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.pistas .p-color { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.pistas small { color: var(--tenue); display: block; margin: 3px 0 7px; font-size: 12px; }
.pistas .p-opciones { display: flex; gap: 14px; font-size: 13px; }
.pistas label { display: flex; gap: 6px; align-items: center; }
.info-rango { margin-top: 14px; font-size: 13px; }
.info-rango .aviso { animation: none; }

.modal { position: fixed; inset: 0; display: none; place-items: center; background: rgba(3,4,8,.72); backdrop-filter: blur(4px); z-index: 30; padding: 16px; }
.modal.abierto { display: grid; }
.tarjeta { background: #10121b; border: 1px solid var(--linea); border-radius: 18px; padding: 24px 26px; width: min(520px, 100%); max-height: 92vh; overflow-y: auto; animation: entra .25s ease-out; }
.tarjeta h2 { margin: 0 0 10px; font-size: 21px; }
.tarjeta p { color: #c3c7d6; line-height: 1.55; }
.inicio { text-align: center; }
.inicio h1 { font-size: 42px; margin: 6px 0; letter-spacing: -.03em; font-weight: 300; }
.inicio h1 b { font-weight: 800; }
.inicio-logo { font-size: 56px; }
.inicio .principal { font-size: 18px; padding: 12px 36px; margin-top: 10px; }
.aviso-suave { background: rgba(250,204,21,.08); border: 1px solid rgba(250,204,21,.3); border-radius: 10px; padding: 10px; font-size: 14px; }
.paso { font-size: 18px; }
.leido { font-size: 22px; font-weight: 700; color: var(--acento); min-height: 1.4em; }
.lat-puntos { display: flex; gap: 6px; margin: 12px 0; }
.lat-puntos i { width: 22px; height: 22px; border-radius: 50%; background: var(--superficie2); border: 1px solid var(--linea); transition: background .1s; }
.lat-puntos i.suena { background: var(--acento); }
.lat-puntos i.tocado { background: var(--bien); }
.resultados { width: min(600px, 100%); }
.res-grande { text-align: center; margin: 8px 0 16px; }
.res-grande b { font-size: 64px; font-weight: 800; background: linear-gradient(135deg, #38bdf8, #a78bfa); -webkit-background-clip: text; background-clip: text; color: transparent; }
.res-grande small { display: block; color: var(--tenue); }
.res-grilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.res-grilla div { background: var(--superficie); border: 1px solid var(--linea); border-radius: 10px; padding: 9px 11px; }
.res-grilla small { color: var(--tenue); font-size: 12px; display: block; }
.res-grilla b { font-size: 20px; }
.res-grilla .info b { color: #fde68a; }
#res-fragmentos h3 { font-size: 14px; margin: 18px 0 8px; }
.fragmento { display: flex; align-items: center; gap: 10px; background: var(--superficie); border: 1px solid var(--linea); border-radius: 10px; padding: 8px 11px; margin-bottom: 6px; font-size: 14px; }
.fragmento span { flex: 1; }
.fragmento small { color: var(--tenue); }

@media (max-width: 760px) {
  .controles { gap: 8px; padding: 8px 12px; }
  .deslizador input { width: 90px; }
  .hud { top: auto; bottom: 46%; right: 12px; }
  .hud-bloque { min-width: 56px; padding: 4px 8px; }
  .hud-bloque b { font-size: 16px; }
  .barra { padding: 8px 12px; gap: 10px; }
  .marca { font-size: 17px; }
  .linea-tiempo { padding: 4px 12px 6px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---- progreso */
.tarjeta.progreso { width: min(860px, 100%); padding: 20px 22px; }
.prog-cab { display: flex; align-items: center; justify-content: space-between; }
.prog-cab h2 { margin: 0; }
.prog-contenido { position: relative; }
.prog-contenido h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue); margin: 22px 0 8px; font-weight: 600; }
.prog-contenido h3 small { text-transform: none; letter-spacing: 0; font-weight: 400; }
.prog-vacio { color: var(--tenue); line-height: 1.6; }
.prog-vacio.chico { font-size: 13px; }
.prog-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-top: 14px; }
.prog-tiles div { background: var(--superficie); border: 1px solid var(--linea); border-radius: 12px; padding: 10px 13px; }
.prog-tiles small { display: block; font-size: 11px; color: var(--tenue); text-transform: uppercase; letter-spacing: .06em; }
.prog-tiles b { display: block; font-size: 26px; font-weight: 800; margin: 2px 0; font-variant-numeric: tabular-nums; }
.prog-tiles span { font-size: 12px; color: var(--tenue); }
.prog-cal-envoltura { overflow-x: auto; }
.prog-cal { display: block; max-width: 100%; height: auto; }
.prog-cal text { fill: var(--tenue); font-size: 10px; }
.prog-cal rect { stroke: var(--fondo); stroke-width: 1; }
.prog-cal rect:hover { stroke: var(--texto); }
.prog-cal rect.hoy { stroke: var(--acento); stroke-width: 1.5; }
.prog-cal-leyenda { display: flex; align-items: center; gap: 3px; font-size: 11px; color: var(--tenue); margin-top: 6px; }
.prog-cal-leyenda i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.prog-curva svg { width: 100%; height: 180px; display: block; overflow: visible; }
.prog-curva path { fill: none; stroke: var(--acento); stroke-width: 2; vector-effect: non-scaling-stroke; }
.prog-curva circle { fill: var(--acento); stroke: #10121b; stroke-width: 2; vector-effect: non-scaling-stroke; }
.prog-curva circle.activo { fill: #fff; }
.prog-curva .grilla { stroke: var(--linea); stroke-width: 1; vector-effect: non-scaling-stroke; }
.prog-curva .cruz { stroke: var(--tenue); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0; vector-effect: non-scaling-stroke; }
.prog-curva text { fill: var(--tenue); font-size: 10px; }
.prog-tip { position: absolute; transform: translate(-50%, calc(-100% - 10px)); background: #1f2333; border: 1px solid #343a52; border-radius: 8px; padding: 6px 9px;
  font-size: 12px; color: var(--texto); pointer-events: none; opacity: 0; transition: opacity .1s; white-space: nowrap; z-index: 2; line-height: 1.45; }
.prog-tip.ver { opacity: 1; }
.prog-tabla { overflow-x: auto; }
.prog-tabla table { width: 100%; border-collapse: collapse; font-size: 13px; }
.prog-tabla th { text-align: left; color: var(--tenue); font-weight: 500; font-size: 11px; padding: 6px 8px; border-bottom: 1px solid var(--linea); white-space: nowrap; }
.prog-tabla td { padding: 7px 8px; border-bottom: 1px solid #181b27; white-space: nowrap; }
.prog-tabla tr[data-id] { cursor: pointer; }
.prog-tabla tr[data-id]:hover td { background: var(--superficie); }
.prog-tabla .num { text-align: right; font-variant-numeric: tabular-nums; }
.prog-tabla td small { color: var(--tenue); }
.prog-tabla .estrellas { color: var(--aviso); letter-spacing: 1px; }
.prog-leyenda { font-size: 12px; color: var(--tenue); margin: 6px 0 0; }
.prog-ultimas { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 5px; }
.prog-ultimas li { display: flex; align-items: center; gap: 10px; background: var(--superficie); border: 1px solid var(--linea); border-radius: 9px; padding: 7px 10px; font-size: 13px; }
.prog-ultimas .cuando { color: var(--tenue); font-size: 12px; width: 92px; flex: none; }
.prog-ultimas .que { flex: 1; min-width: 0; }
.prog-ultimas .que small { display: block; color: var(--tenue); font-size: 11px; }
.prog-ultimas .res { font-weight: 700; font-variant-numeric: tabular-nums; }
.prog-ultimas .res.medias { color: var(--tenue); font-weight: 400; font-size: 12px; }
.prog-acciones { margin-top: 18px; }

/* ---- curso */
.tarjeta.curso { width: min(760px, 100%); padding: 20px 22px; }
.curso-barra { display: flex; align-items: center; gap: 12px; margin: 12px 0; font-size: 13px; color: var(--tenue); }
.curso-avance { flex: 1; height: 8px; background: var(--superficie); border-radius: 4px; overflow: hidden; }
.curso-avance i { display: block; height: 100%; background: linear-gradient(90deg, #22c55e, #38bdf8); border-radius: 4px; }
.curso-seguir { width: 100%; padding: 12px; font-size: 15px; margin: 4px 0 6px; white-space: normal; }
.curso-fin { font-size: 16px; color: #86efac; }
#curso-contenido h3 { font-size: 13px; color: var(--tenue); margin: 20px 0 8px; font-weight: 600; }
.curso-grilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.curso-clase { display: flex; align-items: center; gap: 10px; text-align: left; padding: 10px 12px; white-space: normal; }
.curso-clase.aprobada { border-color: rgba(34,197,94,.45); }
.curso-clase.actual { border-color: var(--acento); background: rgba(56,189,248,.08); box-shadow: 0 0 0 1px rgba(56,189,248,.3); }
.curso-clase.cerrada { opacity: .5; }
.cc-num { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--superficie); border: 1px solid var(--linea); font-weight: 700; flex: none; font-size: 13px; }
.curso-clase.aprobada .cc-num { background: rgba(34,197,94,.18); border-color: rgba(34,197,94,.5); color: #86efac; }
.cc-num.grande { width: 44px; height: 44px; font-size: 18px; }
.cc-txt b { display: block; font-size: 14px; font-weight: 600; }
.cc-txt small { color: var(--tenue); font-size: 12px; }
.curso-clase.aprobada small { color: var(--aviso); letter-spacing: 1px; }
.curso-todo { margin-top: 20px; color: var(--tenue); font-size: 13px; }
.curso-volver { margin-bottom: 10px; }
.leccion-cab { display: flex; align-items: center; gap: 12px; }
.leccion-cab small { color: var(--tenue); font-size: 12px; }
.leccion-cab h2 { margin: 0; }
.leccion-ok { margin-left: auto; color: #86efac; font-weight: 700; font-size: 14px; }
.leccion-texto p { font-size: 15px; line-height: 1.6; margin: 10px 0; }
.leccion-teclado { margin: 14px 0; overflow-x: auto; }
.leccion-teclado svg { display: block; max-width: 100%; height: auto; }
.leccion-teclado small { color: var(--tenue); font-size: 12px; }
.leccion-teclado .b { fill: #f4f4f5; } .leccion-teclado .b-on { fill: #86efac; }
.leccion-teclado .n { fill: #18181b; } .leccion-teclado .n-on { fill: #15803d; }
.leccion-teclado .nom { font: 500 10px Inter, sans-serif; fill: #71717a; text-anchor: middle; } .leccion-teclado .nom.on { fill: #052e16; font-weight: 700; }
.leccion-teclado .dedo { fill: #0b1220; } .leccion-teclado .dedo-n { font: 700 12px Inter, sans-serif; fill: #fef08a; text-anchor: middle; }
.leccion-pasos { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.paso-btn { display: flex; gap: 12px; align-items: center; text-align: left; padding: 11px 13px; white-space: normal; }
.paso-btn > span > b { display: block; font-size: 15px; } .paso-btn small { color: var(--tenue); font-size: 13px; line-height: 1.45; }
.paso-ico { font-size: 22px; width: 32px; text-align: center; flex: none; }
.paso-btn.hecho { border-color: rgba(34,197,94,.45); } .paso-btn.hecho .paso-ico { color: #86efac; }
.res-leccion { margin-top: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--linea); background: var(--superficie); }
.res-leccion.ok { border-color: rgba(34,197,94,.5); background: rgba(34,197,94,.08); }
.res-leccion p { margin: 0 0 8px; }

/* ---- informe para el profe */
.informe { background: #fff; color: #111827; border-radius: 12px; padding: 22px 26px; margin-top: 10px; }
.informe h2 { margin: 0; font-size: 20px; color: #111827; }
.informe h3 { color: #374151 !important; font-size: 13px !important; text-transform: uppercase; letter-spacing: .06em; margin: 18px 0 6px !important; }
.informe p, .informe li { color: #1f2937; line-height: 1.55; font-size: 14px; }
.informe ul { padding-left: 20px; margin: 0; }
.inf-periodo { color: #6b7280 !important; margin-top: 2px; }
.inf-dias { display: grid; grid-template-columns: repeat(15, 1fr); gap: 3px; max-width: 520px; }
.inf-dia { border-radius: 5px; text-align: center; padding: 3px 0; border: 1px solid #e5e7eb; min-height: 38px; }
.inf-dia small { display: block; font-size: 9px; color: #6b7280; } .inf-dia b { font-size: 12px; }
.inf-dia.n1 { background: #e0f2fe; } .inf-dia.n2 { background: #7dd3fc; } .inf-dia.n3 { background: #0ea5e9; color: #fff; } .inf-dia.n4 { background: #0369a1; color: #fff; }
.inf-dia.n3 small, .inf-dia.n4 small { color: #e0f2fe; }
.inf-nota { color: #6b7280; font-size: 11px; }
.inf-tabla { width: 100%; border-collapse: collapse; font-size: 13px; color: #111827; }
.inf-tabla th { text-align: left; font-weight: 600; color: #4b5563; border-bottom: 1px solid #d1d5db; padding: 5px 6px; }
.inf-tabla td { border-bottom: 1px solid #f3f4f6; padding: 5px 6px; }
.inf-tabla .num { text-align: right; }
@media print {
  body * { visibility: hidden !important; }
  #informe, #informe * { visibility: visible !important; }
  #informe { position: absolute; inset: 0 auto auto 0; width: 100%; margin: 0; }
  .modal, .tarjeta, .prog-contenido { position: static !important; max-height: none !important; overflow: visible !important; display: block !important; background: none !important; backdrop-filter: none !important; padding: 0 !important; border: 0 !important; }
  html, body { overflow: visible !important; background: #fff !important; }
}
@media (max-width: 760px) {
  #abrir-curso, #abrir-progreso { padding: 5px 9px; font-size: 12px; }
  .cancion-actual small { display: none; }
}
@media (max-width: 560px) {
  .barra { flex-wrap: wrap; row-gap: 4px; gap: 6px; }
  .marca { font-size: 15px; } .logo { margin-right: 3px; }
  .cancion-actual { order: 9; flex-basis: 100%; }
  .barra .txt { display: none; }
  #estado-midi { font-size: 11px; padding: 4px 8px; max-width: 150px; overflow: hidden; text-overflow: ellipsis; }
  .marca { margin-right: auto; }
}

/* ---- jugador (nivel, XP, racha, meta) */
.jugador { display: flex; align-items: center; gap: 7px; padding: 4px 10px; }
.j-nivel { display: flex; align-items: center; gap: 2px; font-size: 15px; } .j-nivel b { font-size: 13px; }
.j-xp { width: 54px; height: 6px; border-radius: 3px; background: var(--superficie); overflow: hidden; }
.j-xp i { display: block; height: 100%; background: linear-gradient(90deg, #facc15, #f472b6); }
.j-racha { font-size: 13px; font-weight: 700; } .j-racha.apagada { filter: grayscale(1); opacity: .55; }
.j-meta .fondo, .anillo .fondo { fill: none; stroke: var(--superficie2); stroke-width: 3; }
.j-meta .avance, .anillo .avance { fill: none; stroke: #38bdf8; stroke-width: 3; stroke-linecap: round; }
.j-meta .lleno, .anillo .lleno { fill: none; stroke: #22c55e; stroke-width: 3; }
@media (max-width: 560px) { .j-xp { display: none; } }

/* ---- mapa del curso */
.mapa-cab { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; background: var(--superficie); border: 1px solid var(--linea); border-radius: 14px; padding: 12px 14px; margin-top: 10px; }
.mapa-hola { display: flex; gap: 12px; align-items: center; min-width: 240px; flex: 1; }
.mapa-hola small { display: block; color: var(--tenue); font-size: 12px; }
.avatar { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 28px; background: linear-gradient(135deg, #312e81, #0c4a6e); flex: none; }
.xp-barra { height: 8px; border-radius: 4px; background: var(--superficie2); overflow: hidden; margin: 5px 0 2px; max-width: 260px; }
.xp-barra i { display: block; height: 100%; background: linear-gradient(90deg, #facc15, #f472b6); border-radius: 4px; transition: width .6s; }
button.enlace { background: none; border: 0; color: var(--acento); padding: 0 4px; font-size: 12px; text-decoration: underline; }
.mapa-stats { display: flex; gap: 16px; text-align: center; }
.mapa-stats small { display: block; color: var(--tenue); font-size: 11px; }
.mapa-stats .grande { font-size: 22px; font-weight: 800; display: block; line-height: 40px; }
.mapa-stats .grande small { display: inline; font-size: 13px; }
.anillo text { font-size: 13px; text-anchor: middle; }
.mini-tarjetas { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0 4px; }
.mini-tarjetas button { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; text-align: left; padding: 10px 12px; white-space: normal; background: linear-gradient(135deg, rgba(167,139,250,.12), rgba(56,189,248,.08)); }
.mini-tarjetas span { font-size: 26px; grid-row: span 2; align-self: center; }
.mini-tarjetas small { color: var(--tenue); font-size: 12px; }
@media (max-width: 520px) { .mini-tarjetas { grid-template-columns: 1fr; } }
.camino { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 0 6px; }
.unidad-banner { display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 14px; border-radius: 14px; margin: 14px 0 8px; color: #fff;
  background: linear-gradient(135deg, #0369a1, #6d28d9); }
.unidad-banner.u2 { background: linear-gradient(135deg, #b45309, #be185d); } .unidad-banner.u3 { background: linear-gradient(135deg, #047857, #0369a1); }
.unidad-banner.u4 { background: linear-gradient(135deg, #7c3aed, #db2777); } .unidad-banner.u5 { background: linear-gradient(135deg, #0f766e, #4338ca); }
.unidad-banner span { font-size: 26px; } .unidad-banner small { display: block; opacity: .8; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.unidad-banner b { font-size: 16px; } .unidad-banner em { margin-left: auto; font-style: normal; font-weight: 700; opacity: .9; }
.nodo-fila { display: flex; align-items: center; gap: 12px; transform: translateX(var(--x)); width: 260px; }
.nodo { position: relative; width: 64px; height: 64px; border-radius: 50%; padding: 0; border: 0; background: none; flex: none; }
.nodo-circulo { position: absolute; inset: 6px; border-radius: 50%; display: grid; place-items: center; font-size: 20px; font-weight: 800; background: #2a2f45; box-shadow: 0 5px 0 #171a28; transition: transform .1s; }
.nodo:active:not(:disabled) .nodo-circulo { transform: translateY(3px); box-shadow: 0 2px 0 #171a28; }
.nodo.abierta .nodo-circulo { background: #3b4469; }
.nodo.actual .nodo-circulo { background: linear-gradient(135deg, #0ea5e9, #6366f1); box-shadow: 0 5px 0 #1e3a8a; animation: latido 1.6s ease-in-out infinite; }
.nodo.aprobada .nodo-circulo { background: linear-gradient(135deg, #22c55e, #16a34a); box-shadow: 0 5px 0 #14532d; color: #fff; }
.nodo.cerrada .nodo-circulo { background: #1c1f2e; box-shadow: 0 5px 0 #11131c; font-size: 16px; }
.nodo-anillo { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(#facc15 calc(var(--p) * 360deg), transparent 0); -webkit-mask: radial-gradient(circle, transparent 58%, #000 60%); mask: radial-gradient(circle, transparent 58%, #000 60%); }
.nodo.aprobada .nodo-anillo { display: none; }
@keyframes latido { 50% { transform: scale(1.07); } }
.burbuja { position: absolute; top: -26px; left: 50%; transform: translateX(-50%); background: #fff; color: #0b1220; font-weight: 800; font-size: 12px; padding: 3px 9px; border-radius: 8px; white-space: nowrap; z-index: 1; animation: rebote 1.2s ease-in-out infinite; }
.burbuja::after { content: ''; position: absolute; bottom: -5px; left: 50%; margin-left: -5px; border: 5px solid transparent; border-top-color: #fff; border-bottom: 0; }
@keyframes rebote { 50% { transform: translate(-50%, -4px); } }
.nodo-txt b { display: block; font-size: 13px; font-weight: 600; }
.nodo-txt small { color: var(--tenue); font-size: 11px; }
.est { color: #facc15; letter-spacing: 1px; font-size: 13px; } .est i { font-style: normal; color: #3b4260; }
.cofre { width: 64px; height: 64px; border-radius: 16px; font-size: 30px; padding: 0; background: #2a2f45; flex: none; }
.cofre.abierto { background: linear-gradient(135deg, #f59e0b, #db2777); animation: latido 1.8s ease-in-out infinite; }
.leccion-ok .est { font-size: 22px; }
.paso-btn.siguiente { border-color: var(--acento); box-shadow: 0 0 0 1px rgba(56,189,248,.35); }
.paso-xp { margin-left: auto; font-style: normal; font-size: 12px; color: #facc15; font-weight: 700; white-space: nowrap; }
.res-estrellas { font-size: 34px; color: #facc15; letter-spacing: 4px; margin: 0 0 4px !important; text-align: center; }
.res-estrellas i { font-style: normal; color: #3b4260; }
.res-xp { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 12px; }
.res-xp:empty { display: none; }
.xp-ganado { font-weight: 800; color: #facc15; font-size: 18px; }
.xp-nivel { font-size: 13px; color: var(--tenue); }
.res-xp .xp-barra { flex-basis: 100%; max-width: none; }

/* ---- mini juegos (sobre la autopista) */
.mini-juego { position: absolute; inset: 0 0 auto 0; bottom: 34%; display: flex; flex-direction: column; z-index: 4;
  background: radial-gradient(ellipse at center, rgba(30,27,75,.92), rgba(7,8,13,.98) 70%); }
.mini-juego[hidden] { display: none; }
.mini-cab { display: flex; align-items: center; gap: 12px; padding: 10px 16px; }
.mini-cab b { font-size: 16px; } .mini-info { flex: 1; color: var(--tenue); font-size: 13px; }
.mini-centro { flex: 1; display: grid; place-content: center; text-align: center; gap: 6px; }
.mini-pide { font-size: clamp(56px, 12vw, 120px); font-weight: 800; line-height: 1; text-shadow: 0 0 40px rgba(56,189,248,.45); }
.mini-pide.bien { color: #86efac; } .mini-pide.mal { color: #fca5a5; } .mini-pide.info { color: #c4b5fd; font-size: clamp(36px, 7vw, 64px); }
.mini-pide.pop { animation: popGrande .35s cubic-bezier(.2,1.6,.4,1); }
@keyframes popGrande { from { transform: scale(.7); opacity: .3; } }
.mini-sub { color: #c3c7d6; font-size: 16px; min-height: 1.5em; }
.mini-puntos { display: flex; justify-content: center; gap: 6px; padding: 10px; }
.mini-puntos i { width: 12px; height: 12px; border-radius: 50%; background: var(--superficie2); border: 1px solid var(--linea); }
.mini-puntos i.bien { background: #22c55e; } .mini-puntos i.con-error { background: #f59e0b; }

/* ---- festejos */
.confeti { position: fixed; inset: 0; pointer-events: none; z-index: 60; }
.carteles { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 61; pointer-events: none; width: min(420px, calc(100% - 32px)); }
.cartel { display: flex; gap: 12px; align-items: center; background: #1a1d29; border: 1px solid #3b4260; border-radius: 14px; padding: 11px 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.5); animation: cartelEntra .45s cubic-bezier(.2,1.4,.4,1); }
.cartel.medalla { border-color: rgba(250,204,21,.6); } .cartel.nivel { border-color: rgba(34,197,94,.6); background: linear-gradient(135deg, #14532d, #1a1d29); }
.cartel-icono { font-size: 32px; }
.cartel b { display: block; font-size: 15px; } .cartel small { color: #c3c7d6; font-size: 13px; }
.cartel.sale { animation: cartelSale .4s ease-in forwards; }
@keyframes cartelEntra { from { transform: translateY(-30px) scale(.9); opacity: 0; } }
@keyframes cartelSale { to { transform: translateY(-20px); opacity: 0; } }
.medallas { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 6px; }
.medalla { text-align: center; padding: 8px 4px; border-radius: 10px; background: var(--superficie); border: 1px solid var(--linea); opacity: .45; }
.medalla.tiene { opacity: 1; border-color: rgba(250,204,21,.45); background: linear-gradient(160deg, rgba(250,204,21,.1), var(--superficie)); }
.medalla span { font-size: 24px; display: block; } .medalla small { font-size: 10.5px; color: var(--tenue); line-height: 1.25; display: block; }
@media (max-width: 520px) { .nodo-fila { width: 210px; transform: translateX(calc(var(--x) * .35)); } }

/* ---- canciones propias */
.propias { margin: 12px 0 0; background: var(--superficie); border: 1px solid var(--linea); border-radius: 14px; padding: 10px 12px; }
.propias-cab { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.propias-lista { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.propia { flex: none; min-width: 150px; max-width: 200px; text-align: left; white-space: normal; padding: 9px 11px; background: linear-gradient(135deg, rgba(244,114,182,.14), rgba(167,139,250,.1)); }
.propia b { display: block; font-size: 13px; } .propia small { color: var(--tenue); font-size: 12px; }
.propias-vacio { color: var(--tenue); font-size: 13px; margin: 0; }
.boton-guia { width: 100%; margin-bottom: 8px; text-align: left; white-space: normal; background: linear-gradient(135deg, rgba(244,114,182,.15), rgba(56,189,248,.1)); }
.guia-intro { color: #c3c7d6; font-size: 14px; line-height: 1.6; }
.guia-pasos { padding-left: 20px; display: flex; flex-direction: column; gap: 14px; }
.guia-pasos li { line-height: 1.55; font-size: 14px; color: #dfe2ec; }
.guia-pasos small { display: block; color: var(--tenue); font-size: 12.5px; margin-top: 4px; }
.guia-buscar { display: flex; gap: 6px; margin: 8px 0 6px; }
.guia-buscar input { flex: 1; min-width: 0; background: var(--superficie2); border: 1px solid var(--linea); border-radius: 9px; padding: 8px 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--linea); background: var(--superficie); color: #bae6fd; text-decoration: none; }
.chip:hover { border-color: var(--acento); }
.zona-archivo { display: block; margin: 8px 0 4px; padding: 22px 14px; border: 2px dashed #3b4260; border-radius: 12px; text-align: center; cursor: pointer; color: #c3c7d6; transition: border-color .15s, background .15s; }
.zona-archivo:hover, .zona-archivo.encima { border-color: var(--acento); background: rgba(56,189,248,.08); }
.guia-nota { color: var(--tenue); font-size: 13px; }
.paso-btn > button, .paso-acciones button { flex: none; }
div.paso-btn { display: flex; gap: 12px; align-items: center; padding: 11px 13px; background: var(--superficie2); border: 1px solid var(--linea); border-radius: 9px; }
.paso-acciones { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
div.paso-btn > span:nth-child(2) { flex: 1; }
.guia-h { font-size: 14px !important; color: #e7e9f2 !important; margin: 18px 0 4px !important; text-transform: none !important; letter-spacing: 0 !important; }
.guia-intro small { display: block; color: var(--tenue); font-size: 12.5px; margin-top: 4px; }
.guia-intro a, .guia-pasos a:not(.chip) { color: #7dd3fc; }
.convertir { background: linear-gradient(135deg, rgba(167,139,250,.14), rgba(56,189,248,.08)); border: 1px solid #3b4260; border-radius: 14px; padding: 4px 14px 12px; margin: 12px 0; }
.convertir-fila { display: flex; gap: 8px; }
.convertir-fila input { flex: 1; min-width: 0; background: var(--superficie2); border: 1px solid var(--linea); border-radius: 9px; padding: 8px 10px; }
.conv-estado { margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: var(--superficie); border: 1px solid var(--linea); font-size: 14px; }
.conv-estado.mal { border-color: rgba(239,68,68,.5); color: #fca5a5; } .conv-estado.ok { border-color: rgba(34,197,94,.5); color: #86efac; }
.conv-estado small { color: var(--tenue); margin-left: 6px; }
.conv-barra { height: 4px; border-radius: 2px; background: var(--superficie2); overflow: hidden; margin-top: 8px; }
.conv-barra i { display: block; height: 100%; width: 30%; background: linear-gradient(90deg, #38bdf8, #a78bfa); animation: barrido 1.4s ease-in-out infinite; }
@keyframes barrido { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.version { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 4px 0 10px; font-size: 13px; color: var(--tenue); }
.version button.activo { border-color: var(--acento); color: #bae6fd; background: rgba(56,189,248,.12); }
.version small { flex-basis: 100%; }
.unidad-banner.u6 { background: linear-gradient(135deg, #be185d, #7c3aed); }
.con-cancion { display: flex; gap: 12px; align-items: center; margin-top: 10px; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(244,114,182,.5); background: linear-gradient(135deg, rgba(244,114,182,.14), rgba(124,58,237,.1)); }
.con-cancion.hecho { border-color: rgba(34,197,94,.5); }
.con-cancion > div { flex: 1; } .con-cancion b { display: block; font-size: 15px; } .con-cancion small { color: #c3c7d6; font-size: 13px; line-height: 1.5; display: block; margin: 3px 0 6px; }
.acordes-grilla { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }
.acorde-tarjeta { background: var(--superficie); border: 1px solid var(--linea); border-radius: 12px; padding: 8px 10px 2px; }
.acorde-tarjeta b { font-size: 18px; }
.acorde-tarjeta .leccion-teclado { margin: 4px 0; }
.acordes-nota { color: var(--tenue); font-size: 12px; display: block; margin-bottom: 8px; }