:root{--verde:#2f7d6d;--verde-osc:#1f5c50;--verde-claro:#4fa892;--verde-suave:#e6f2ef;--fondo:#f4f7f6;--blanco:#fff;--tinta:#1c2b28;--suave:#5f706c;--linea:#e1e8e6;--ambar:#b7791f}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%}
body{background:radial-gradient(900px 600px at 80% 0%,#cfe9e2,transparent 70%),#eef4f2;color:var(--tinta);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input{font:inherit;color:inherit}
svg{width:22px;height:22px;fill:currentColor}
button:focus-visible{outline:3px solid #4fa89299;outline-offset:2px}

/* Escritorio: explicación + teléfono */
.escritorio{min-height:100%;display:grid;grid-template-columns:minmax(0,460px) auto;gap:64px;align-items:center;justify-content:center;padding:40px 24px}
.explicacion .sobre{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--verde)}
.explicacion h1{margin:10px 0 14px;font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.08;letter-spacing:-.04em}
.explicacion p{color:var(--suave)}
.explicacion ul{padding:0;list-style:none;display:grid;gap:8px}
.explicacion li::before{content:"✓ ";color:var(--verde);font-weight:800}
.telefono{width:390px;height:800px;padding:14px;border-radius:52px;background:#101917;box-shadow:0 40px 80px -30px #0b2a2380,inset 0 0 0 2px #2a3a37}
.pantalla{position:relative;height:100%;border-radius:40px;overflow:hidden;background:var(--fondo);display:flex;flex-direction:column}

/* Celular real: la app ocupa toda la pantalla */
@media (max-width:860px){
  body{background:var(--fondo)}
  .escritorio{display:block;padding:0}
  .explicacion{display:none}
  .telefono{width:100%;height:100dvh;padding:0;border-radius:0;background:none;box-shadow:none}
  .pantalla{border-radius:0}
}

.aviso-demo{margin:0;padding:6px 12px;background:var(--tinta);color:#d9e5e2;font-size:.7rem;text-align:center}
.barra-app{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 8px}
.barra-app small{display:block;color:var(--suave);font-size:.8rem}
.barra-app strong{font-size:1.35rem;letter-spacing:-.02em}
.campana{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--linea);background:var(--blanco);cursor:pointer}
.punto-aviso{position:absolute;top:10px;right:11px;width:9px;height:9px;border-radius:50%;background:#e0584f;border:2px solid var(--blanco)}
.contenido-app{flex:1;overflow-y:auto;padding:8px 20px 96px}
.vista{display:grid;gap:14px;animation:aparece .2s ease-out}
@keyframes aparece{from{opacity:0;transform:translateY(6px)}}
h2{margin:8px 0 0;font-size:1rem}
.pequeno{font-size:.78rem;color:var(--suave);margin:0}

/* Pack con anillo */
.pack{display:flex;align-items:center;gap:16px;padding:18px;border-radius:22px;background:linear-gradient(135deg,var(--verde),var(--verde-osc));color:#fff;box-shadow:0 18px 30px -18px #1f5c50}
.anillo{position:relative;width:96px;height:96px;flex:none;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2px;text-align:center;line-height:1}
.anillo svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.anillo circle{fill:none;stroke-width:10}
.fondo-anillo{stroke:#ffffff2e}
.progreso{stroke:#bff3ea;stroke-linecap:round;stroke-dasharray:314;transition:stroke-dashoffset .6s ease}
.anillo b{font-size:1.8rem}.anillo span{font-size:.7rem;opacity:.85}
.pack small{opacity:.85;font-size:.8rem}
.pack strong{display:block;font-size:1.15rem}
.pack p{margin:2px 0 0;font-size:.82rem;opacity:.85}

.tarjeta-clase{display:flex;align-items:center;gap:14px;padding:14px;border-radius:18px;background:var(--blanco);border:1px solid var(--linea)}
.fecha{display:grid;place-items:center;width:56px;height:60px;border-radius:14px;background:var(--verde-suave);color:var(--verde-osc);line-height:1.1;flex:none}
.fecha b{font-size:1.3rem}.fecha small{font-size:.68rem;text-transform:uppercase;font-weight:700}
.tarjeta-clase div:last-child{flex:1}
.tarjeta-clase strong{display:block}
.tarjeta-clase span{font-size:.82rem;color:var(--suave)}
.vacio{padding:18px;border-radius:18px;border:1px dashed var(--linea);text-align:center;color:var(--suave);font-size:.9rem}

.boton{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 18px;border-radius:14px;border:1px solid transparent;background:var(--verde);color:#fff;font-weight:700;cursor:pointer}
.boton.sec{background:var(--blanco);color:var(--tinta);border-color:var(--linea)}
.boton.ancho{width:100%}
.boton.chico{min-height:38px;padding:6px 14px;font-size:.85rem;border-radius:12px}
.boton:disabled{background:#c9d6d2;cursor:default}

.novedad{border-radius:18px;overflow:hidden;background:var(--blanco);border:1px solid var(--linea)}
.novedad img{display:block;width:100%;height:auto;aspect-ratio:16/8;object-fit:cover}
.novedad div{padding:12px 14px}
.novedad p{margin:2px 0 0;font-size:.85rem;color:var(--suave)}

/* Clases */
.segmento{display:grid;grid-template-columns:1fr 1fr;padding:4px;border-radius:14px;background:#e3ebe9}
.segmento button{padding:9px;border:0;border-radius:11px;background:transparent;font-weight:700;color:var(--suave);cursor:pointer}
.segmento button[aria-selected=true]{background:var(--blanco);color:var(--tinta);box-shadow:0 2px 6px -2px #0002}
.dias{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.dias button{flex:none;display:grid;place-items:center;width:56px;height:64px;border-radius:14px;border:1px solid var(--linea);background:var(--blanco);cursor:pointer;line-height:1.15}
.dias button small{font-size:.68rem;text-transform:uppercase;color:var(--suave)}
.dias button b{font-size:1.15rem}
.dias button.activo{background:var(--tinta);color:#fff;border-color:var(--tinta)}
.dias button.activo small{color:#cfe0dc}
.dias button:disabled{opacity:.35}
.horarios,.mis-reservas{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.horarios li{display:flex;align-items:center;gap:12px;padding:14px;border-radius:18px;background:var(--blanco);border:1px solid var(--linea)}
.horarios .info{flex:1}
.horarios strong{display:block}
.horarios span{font-size:.8rem;color:var(--suave)}
.cupos{display:flex;gap:3px;margin-top:6px}
.cupos i{width:10px;height:6px;border-radius:3px;background:var(--verde)}
.cupos i.libre{background:#d6e3df}
.mis-reservas li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:var(--blanco);border:1px solid var(--linea)}
.mis-reservas li div{flex:1}
.mis-reservas strong{display:block;font-size:.95rem}
.mis-reservas span{font-size:.8rem;color:var(--suave)}
.pasado li{opacity:.7}

/* Perfil */
.perfil-cab{display:flex;align-items:center;gap:14px;padding:16px;border-radius:18px;background:var(--blanco);border:1px solid var(--linea)}
.avatar{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--verde);color:#fff;font-weight:800}
.perfil-cab small{display:block;color:var(--suave)}
.ajustes{list-style:none;margin:0;padding:0;border-radius:18px;background:var(--blanco);border:1px solid var(--linea)}
.ajustes li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--linea);font-size:.9rem}
.ajustes li:last-child{border-bottom:0}
.interruptor{position:relative;width:46px;height:28px;flex:none}
.interruptor input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:1}
.interruptor span{position:absolute;inset:0;border-radius:999px;background:#cbd8d4;transition:background .2s}
.interruptor span::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .2s}
.interruptor input:checked+span{background:var(--verde)}
.interruptor input:checked+span::after{transform:translateX(18px)}
.interruptor input:focus-visible+span{outline:3px solid #4fa89299;outline-offset:2px}

/* Barra de pestañas */
.pestanas{position:absolute;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);padding:8px 10px calc(10px + env(safe-area-inset-bottom));background:#ffffffee;backdrop-filter:blur(10px);border-top:1px solid var(--linea)}
.pestanas button{display:grid;justify-items:center;gap:2px;padding:6px 0;border:0;background:transparent;font-size:.72rem;font-weight:600;color:var(--suave);cursor:pointer}
.pestanas button.activa{color:var(--verde)}

/* Hoja inferior de confirmación */
.hoja-fondo{position:absolute;inset:0;z-index:10;display:flex;align-items:flex-end;background:#0b141266}
.hoja{width:100%;padding:22px 20px calc(22px + env(safe-area-inset-bottom));border-radius:24px 24px 0 0;background:var(--blanco);animation:sube .22s ease-out}
@keyframes sube{from{transform:translateY(40px);opacity:0}}
.hoja h3{margin:0 0 6px}
.hoja p{margin:0 0 16px;color:var(--suave)}
.hoja-botones{display:grid;grid-template-columns:1fr 1.4fr;gap:10px}
.toast{position:absolute;left:16px;right:16px;bottom:92px;z-index:11;padding:12px 16px;border-radius:14px;background:var(--tinta);color:#fff;font-size:.88rem;box-shadow:0 14px 30px -12px #0008;animation:sube .2s ease-out}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}