/* MediPiano — escenario oscuro con luces de neón (cian = mano derecha, naranja = izquierda) */
:root {
  --fondo: #0b0820;
  --fondo-2: #16123a;
  --panel: #1d1847;
  --panel-2: #2a2361;
  --borde: rgba(255, 255, 255, 0.1);
  --texto: #f4f2ff;
  --texto-2: #b6b0dc;
  --derecha: #22d3ee;
  --izquierda: #fb923c;
  --oro: #facc15;
  --exito: #4ade80;
  --peligro: #f87171;
  --violeta: #a78bfa;
  --radio: 18px;
  --fuente: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #2b1d6b 0%, transparent 60%),
              radial-gradient(900px 500px at -10% 110%, #0e3a52 0%, transparent 60%), var(--fondo);
  color: var(--texto);
  font-family: var(--fuente);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.res-siguiente { margin: 14px 0 0; color: var(--texto-2); font-size: 15px; }
.res-siguiente b { color: var(--oro); }
button { cursor: pointer; }

.pantalla { position: fixed; inset: 0; display: none; }
.pantalla.activa { display: flex; }

/* ---------- Inicio ---------- */
#pantalla-inicio {
  flex-direction: column;
  padding: max(16px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  gap: 14px;
}
.cabecera { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.logo { margin: 0; font-size: clamp(28px, 4vw, 42px); font-weight: 900; letter-spacing: -0.5px; }
.logo span { color: var(--derecha); text-shadow: 0 0 24px rgba(34, 211, 238, 0.35); }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  background: var(--panel); border: 1px solid var(--borde); border-radius: 999px;
}
.stat b { font-size: 20px; font-variant-numeric: tabular-nums; }
.stat small { color: var(--texto-2); font-size: 12px; }
.stat .ico { font-size: 18px; }
.stat-minutos { background: linear-gradient(135deg, #3b2a8a, #1d1847); border-color: rgba(250, 204, 21, 0.4); }
.stat-minutos b { color: var(--oro); }
.stat-nivel { gap: 10px; padding-right: 18px; }
.nivel-num {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 900;
  background: linear-gradient(135deg, var(--derecha), var(--violeta)); color: #120d33;
}
.nivel-titulo { font-size: 13px; font-weight: 700; }
.barra-nivel { width: 90px; height: 6px; border-radius: 3px; background: rgba(255,255,255,.12); overflow: hidden; margin-top: 4px; }
.barra-nivel i { display: block; height: 100%; background: var(--oro); border-radius: 3px; transition: width .6s; }

.saludo { margin: 0; color: var(--texto-2); font-size: 18px; }
.grilla {
  flex: 1; overflow-y: auto; display: grid; gap: 14px; align-content: start;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}
.tarjeta-cancion {
  position: relative; text-align: left; padding: 16px; border-radius: var(--radio);
  background: linear-gradient(160deg, var(--panel-2), var(--panel)); border: 1px solid var(--borde);
  display: flex; flex-direction: column; gap: 8px; min-height: 150px;
  transition: transform .15s, border-color .15s;
}
.tarjeta-cancion:active { transform: scale(0.97); }
.tarjeta-cancion:hover { border-color: rgba(255,255,255,.25); }
.tarjeta-cancion h3 { margin: 0; font-size: 18px; line-height: 1.2; }
.tarjeta-cancion .artista { color: var(--texto-2); font-size: 14px; }
.tarjeta-cancion .pie { margin-top: auto; display: flex; flex-direction: column; gap: 6px; }
.tarjeta-cancion .fila { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--texto-2); }
.dificultad { letter-spacing: 2px; color: var(--violeta); font-size: 12px; }
.insignia {
  position: absolute; top: 12px; right: 12px; font-size: 11px; font-weight: 800; padding: 3px 8px; border-radius: 999px;
}
.insignia.aprendida { background: var(--exito); color: #052e16; }
.insignia.nueva { background: var(--violeta); color: #1e1145; }
.estrellas { color: rgba(255,255,255,.18); font-size: 18px; letter-spacing: 2px; }
.estrellas .on { color: var(--oro); text-shadow: 0 0 10px rgba(250,204,21,.5); }

.barra-avance { height: 8px; border-radius: 4px; background: rgba(255,255,255,.1); overflow: hidden; }
.barra-avance i {
  display: block; height: 100%; width: 0; border-radius: 4px;
  background: linear-gradient(90deg, var(--derecha), var(--violeta), var(--izquierda));
  transition: width .3s;
}
.barra-avance.grande { height: 14px; border-radius: 7px; }

.acciones { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 10px 18px; border-radius: 14px; border: 1px solid var(--borde);
  background: var(--panel-2); font-weight: 700; font-size: 16px; transition: transform .1s, background .15s;
}
.btn:active { transform: scale(0.96); }
.btn-principal { background: linear-gradient(135deg, #06b6d4, #7c3aed); border-color: transparent; color: white; box-shadow: 0 6px 24px rgba(124,58,237,.35); }
.btn-tenue { background: transparent; color: var(--texto-2); }
.btn[disabled] { opacity: .4; pointer-events: none; }

/* ---------- Juego ---------- */
#pantalla-juego { background: var(--fondo); flex-direction: column; }
.zona-caida { position: relative; flex: 1; min-height: 0; }
#lienzo { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }

/* Partitura: papel claro con tinta oscura, como una partitura real */
.partitura {
  position: relative; flex: none; overflow: hidden; border-radius: 14px;
  margin: calc(max(10px, env(safe-area-inset-top)) + 58px) max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
  background: #fbf8ef; color: #1c1a2e; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
[data-vista="caer"] .partitura { display: none; }
[data-vista="ambas"] .partitura { height: clamp(150px, 30vh, 270px); }
[data-vista="partitura"] .partitura { flex: 1; }
[data-vista="partitura"] .zona-caida { flex: none; height: clamp(120px, 22vh, 190px); }
.partitura-svg svg { display: block; }
.partitura-cursor {
  position: absolute; top: 0; left: 0; width: 4px; margin-left: -2px; border-radius: 2px;
  background: rgba(124, 58, 237, 0.55); pointer-events: none; will-change: transform;
}
.partitura .vf-stavenote.ahora * { fill: #7c3aed !important; stroke: #7c3aed !important; }
.partitura .vf-stavenote.ok * { fill: #15803d !important; stroke: #15803d !important; }
.partitura .vf-stavenote.fallo * { fill: #dc2626 !important; stroke: #dc2626 !important; }
.partitura .vf-stavenote.sonando * { fill: #0e7490 !important; stroke: #0e7490 !important; }
.partitura .vf-stavenote.pasada { opacity: 0.45; }
.partitura .vf-stavenote.inactiva { opacity: 0.3; }
.hud {
  position: absolute; top: 0; left: 0; right: 0; display: flex; align-items: center; gap: 14px;
  padding: max(10px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) 10px max(14px, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(11,8,32,.9), rgba(11,8,32,0)); pointer-events: none;
}
.hud > * { pointer-events: auto; }
.btn-redondo {
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--borde); background: var(--panel);
  font-size: 16px; font-weight: 900; flex: none;
}
.hud-centro { flex: 1; min-width: 0; }
.hud-titulo { font-weight: 800; font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; }
.hud-puntos { text-align: right; }
.hud-puntos b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; line-height: 1; }
.hud-puntos small { color: var(--texto-2); font-size: 11px; }
.hud-combo { font-weight: 900; color: var(--oro); font-size: 20px; min-width: 70px; text-align: right; }
.hud-mic { font-size: 18px; opacity: .35; transition: opacity .1s, transform .1s; }
.hud-mic.oye { opacity: 1; transform: scale(1.2); }
.hud-mic.apagado { filter: grayscale(1); opacity: .25; }
.aviso-espera {
  position: absolute; left: 50%; top: 22%; transform: translateX(-50%);
  font-size: clamp(28px, 5vw, 48px); font-weight: 900; color: var(--oro);
  text-shadow: 0 0 30px rgba(250,204,21,.5); pointer-events: none; opacity: 0; transition: opacity .25s;
}
.aviso-espera.visible { opacity: 1; }

/* ---------- Diálogos ---------- */
.dialogo {
  border: 1px solid var(--borde); border-radius: 24px; padding: 24px; width: min(560px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px); overflow-y: auto;
  background: linear-gradient(170deg, #241d58, #15113a); color: var(--texto);
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
}
.dialogo::backdrop { background: rgba(5,3,20,.7); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.dialogo[open] { animation: entra .25s cubic-bezier(.22, 1, .36, 1); }
@keyframes entra { from { transform: scale(.9); opacity: 0; } }
.dialogo-chico { width: min(360px, calc(100vw - 32px)); text-align: center; }
.dialogo-ancho { width: min(860px, calc(100vw - 32px)); }
.dialogo h2 { margin: 0 0 4px; font-size: 26px; }
.dialogo h3 { margin: 0 0 10px; }
.dialogo h4 { margin: 18px 0 8px; color: var(--texto-2); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }
.sub { color: var(--texto-2); margin: 4px 0 12px; font-size: 15px; }
.cerrar { position: absolute; top: 14px; right: 14px; margin: 0; }
.cerrar button { width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255,255,255,.08); font-size: 16px; }
.dialogo { position: fixed; }

.dc-progreso { display: flex; align-items: center; gap: 18px; margin: 14px 0 18px; }
.anillo {
  --p: 0; width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: conic-gradient(var(--exito) calc(var(--p) * 1%), rgba(255,255,255,.1) 0);
}
.anillo span { width: 66px; height: 66px; border-radius: 50%; background: #1b1645; display: grid; place-items: center; font-weight: 900; font-size: 20px; }
.opcion { margin: 12px 0; }
.opcion > label { display: block; font-size: 13px; color: var(--texto-2); margin-bottom: 6px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.segmentado { display: flex; gap: 6px; background: rgba(0,0,0,.25); padding: 5px; border-radius: 14px; }
.segmentado button {
  flex: 1; min-height: 46px; border: 0; border-radius: 10px; background: transparent; font-weight: 700; font-size: 15px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.15; padding: 6px;
}
.segmentado button small { font-weight: 500; font-size: 11px; color: var(--texto-2); }
.segmentado button.on { background: var(--panel-2); box-shadow: inset 0 0 0 2px var(--derecha); }
.segmentado button[disabled] { opacity: .3; }
.botonera { display: flex; gap: 10px; margin-top: 20px; }
.botonera .btn { flex: 1; }
.botonera.vertical { flex-direction: column; }
.link-peligro { margin-top: 14px; background: none; border: 0; color: var(--peligro); text-decoration: underline; font-size: 14px; }

/* Resultado */
.dialogo-resultado { text-align: center; }
.res-estrellas { font-size: 64px; letter-spacing: 6px; margin: 0 0 4px; }
.res-estrellas span { color: rgba(255,255,255,.12); display: inline-block; }
.res-estrellas span.on { color: var(--oro); text-shadow: 0 0 24px rgba(250,204,21,.7); animation: estrella .5s cubic-bezier(.2,.9,.3,1.6) both; }
@keyframes estrella { from { transform: scale(0) rotate(-90deg); } }
.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.res-grid div { background: rgba(0,0,0,.25); border-radius: 14px; padding: 12px 6px; }
.res-grid b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; }
.res-grid small { color: var(--texto-2); font-size: 12px; }
.res-progreso { text-align: left; }
.res-progreso .fila { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 14px; color: var(--texto-2); }
.res-progreso .fila b { color: var(--texto); }
.res-premio {
  display: flex; align-items: center; gap: 14px; text-align: left; margin-top: 16px; padding: 14px;
  border-radius: 16px; background: linear-gradient(135deg, rgba(250,204,21,.2), rgba(250,204,21,.05));
  border: 1px solid rgba(250,204,21,.4); animation: entra .4s .6s both;
}
.res-premio .moneda { font-size: 38px; animation: gira 1s .8s; }
@keyframes gira { 50% { transform: rotateY(180deg) scale(1.2); } }
.res-premio b { display: block; color: var(--oro); font-size: 20px; }
.res-premio small { color: var(--texto-2); font-size: 13px; }
.res-medallas { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.res-medallas .medalla-nueva {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 14px; text-align: left;
  background: rgba(167,139,250,.15); border: 1px solid rgba(167,139,250,.4); animation: entra .4s 1s both;
}
.medalla-nueva .ico { font-size: 30px; }
.res-record { color: var(--exito); font-weight: 800; margin-top: 4px; }

/* Medallas */
.medallas { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-top: 12px; }
.medalla { padding: 14px; border-radius: 16px; background: rgba(0,0,0,.25); text-align: center; border: 1px solid var(--borde); }
.medalla .ico { font-size: 36px; display: block; }
.medalla b { display: block; margin-top: 6px; }
.medalla small { color: var(--texto-2); font-size: 12px; }
.medalla.bloqueada .ico { filter: grayscale(1) brightness(.4); }
.medalla.bloqueada b { color: var(--texto-2); }

/* Micrófono */
.mic-panel { margin-top: 12px; }
.mic-nota { font-size: 72px; font-weight: 900; text-align: center; color: var(--derecha); min-height: 90px; text-shadow: 0 0 30px rgba(34,211,238,.5); }
.medidor { height: 12px; border-radius: 6px; background: rgba(255,255,255,.1); overflow: hidden; margin-bottom: 14px; }
.medidor i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--exito), var(--oro), var(--peligro)); }
.ajuste { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-top: 10px; }
.ajuste input { flex: 1; accent-color: var(--derecha); }
.ajuste span { min-width: 54px; text-align: right; font-variant-numeric: tabular-nums; }

/* PIN */
.pin-puntos { display: flex; gap: 14px; justify-content: center; margin: 10px 0 18px; }
.pin-puntos i { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--texto-2); }
.pin-puntos i.on { background: var(--texto); border-color: var(--texto); }
.pin-puntos.mal { animation: sacude .35s; }
@keyframes sacude { 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
.teclado-pin { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.teclado-pin button { height: 60px; border-radius: 16px; border: 1px solid var(--borde); background: var(--panel-2); font-size: 24px; font-weight: 800; }

/* Papás */
.papas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-top: 14px; }
.tarjeta { background: rgba(0,0,0,.22); border: 1px solid var(--borde); border-radius: 18px; padding: 16px; }
.saldo { font-size: 18px; margin-bottom: 6px; }
.saldo b { font-size: 44px; color: var(--oro); font-variant-numeric: tabular-nums; }
.fila-botones { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.fila-botones .btn { flex: 1; min-width: 64px; }
.historial { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto; font-size: 13px; }
.historial li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--borde); color: var(--texto-2); }
.historial li b { color: var(--texto); white-space: nowrap; }
.historial li b.mas { color: var(--exito); }
.historial li b.menos { color: var(--peligro); }
.historial button { background: none; border: 0; color: var(--peligro); font-size: 13px; }
.campo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; font-size: 14px; color: var(--texto-2); font-weight: 600; }
.campo input:not([type=checkbox]), .campo select {
  min-height: 46px; border-radius: 12px; border: 1px solid var(--borde); background: rgba(0,0,0,.3); padding: 0 12px; font-size: 16px; color: var(--texto);
}
.campo.check { flex-direction: row; align-items: center; gap: 10px; }
.campo.check input { width: 22px; height: 22px; accent-color: var(--derecha); }
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
#imp-form { margin-top: 16px; }
.error { color: var(--peligro); font-weight: 700; min-height: 1em; }

.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 120px); padding: 14px 22px; border-radius: 14px;
  background: var(--panel-2); border: 1px solid var(--borde); font-weight: 700; transition: transform .3s; z-index: 50;
  box-shadow: 0 10px 40px rgba(0,0,0,.5); max-width: calc(100vw - 32px);
}
.toast.visible { transform: translate(-50%, 0); }
.confeti { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 100; }

@media (max-width: 640px) {
  .dos-col { grid-template-columns: 1fr; }
  .stat small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}