/* Padel Coach Library · app móvil (mobile-first, iPhone 16 Pro Max como referencia). Sin dependencias. */
:root{
 --azul:#0b3d91;--azul2:#1d4ed8;--azulc:#e8f0fb;--naranja:#f97316;--naranjao:#c2410c;--tinta:#0f172a;--gris:#526072;
 --borde:#d6e0ee;--fondo:#f4f7fb;--blanco:#fff;--rojo:#dc2626;--verde:#15803d;
 --sup:calc(52px + env(safe-area-inset-top));--tab:calc(58px + env(safe-area-inset-bottom));
 --r:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font:17px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 color:var(--tinta);background:var(--fondo);overflow-x:hidden}
a{color:var(--azul2)}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{font-size:17px} /* ≥16 px: iOS no hace zoom al enfocar */
[hidden]{display:none!important}

/* ---------- Barra superior (navegación de pila) ---------- */
.barra-sup{position:fixed;top:0;left:0;right:0;z-index:30;height:var(--sup);padding:env(safe-area-inset-top) max(8px,env(safe-area-inset-right)) 0 max(8px,env(safe-area-inset-left));
 display:flex;align-items:center;gap:6px;background:linear-gradient(120deg,var(--azul),#123f8f 60%,var(--azul2));color:#fff;box-shadow:0 1px 0 rgba(0,0,0,.08)}
.sup-titulo{flex:1;margin:0;font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;padding:0 4px}
.sup-atras{border:0;background:none;color:#fff;font-weight:600;font-size:17px;min-height:44px;min-width:44px;padding:0 8px;cursor:pointer;display:flex;align-items:center;gap:2px}
.sup-atras:active{opacity:.6}
.sup-acciones{display:flex;min-width:44px;justify-content:flex-end}
.barra-sup .sup-atras[hidden]+.sup-titulo{padding-left:52px}

main{padding:calc(var(--sup) + 12px) max(16px,env(safe-area-inset-right)) calc(var(--tab) + 24px) max(16px,env(safe-area-inset-left));
 max-width:860px;margin:0 auto;outline:none;min-height:100vh}
.cargando{color:var(--gris);text-align:center;padding:40px 0}

/* ---------- Tab bar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(4,1fr);
 padding:4px max(4px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(4px,env(safe-area-inset-left));
 background:rgba(255,255,255,.96);border-top:1px solid var(--borde);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;text-decoration:none;color:#5b6b80;font-size:12px;font-weight:600;border-radius:12px}
.tabbar svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round}
.tabbar a[aria-current="page"]{color:var(--azul)}
.tabbar a[aria-current="page"] svg{stroke-width:2.4;fill:rgba(29,78,216,.12)}
.tabbar a[aria-current="page"] span{position:relative}
.tabbar a[aria-current="page"] span::after{content:"";position:absolute;left:20%;right:20%;bottom:-5px;height:3px;border-radius:2px;background:var(--naranja)}
.tabbar a:active{background:var(--azulc)}

/* ---------- Componentes ---------- */
h2.titulo{font-size:28px;line-height:1.15;margin:4px 0 6px}
h3.sec{font-size:20px;margin:22px 0 8px;color:var(--azul)}
.sub{color:var(--gris);margin:0 0 12px}
.boton{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 18px;border-radius:12px;border:0;
 background:var(--naranja);color:#fff;font-weight:700;font-size:17px;cursor:pointer;text-decoration:none;text-align:center}
.boton:active{transform:scale(.98);filter:brightness(.92)}
.boton.sec{background:#fff;color:var(--azul);border:1.5px solid var(--borde)}
.boton.azul{background:var(--azul)}
.boton.peligro{background:#fff;color:var(--rojo);border:1.5px solid #fecaca}
.boton.ancho{width:100%}
.boton.peq{min-height:44px;padding:8px 12px;font-size:15px}
.boton[disabled]{opacity:.45;pointer-events:none}
.fila{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.fila>.boton{flex:1 1 auto}
.caja{background:#fff;border:1px solid var(--borde);border-radius:var(--r);padding:14px 16px;margin:10px 0}
.nota{font-size:15px;color:var(--gris)}
.alerta{background:#fff7ed;border:1px solid #fed7aa;border-left:5px solid var(--naranja);border-radius:12px;padding:10px 12px;margin:10px 0;font-size:15px}
.alerta.err{background:#fef2f2;border-color:#fecaca;border-left-color:var(--rojo)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.chip{display:inline-block;background:#fff;border:1px solid var(--borde);border-radius:999px;padding:2px 10px;font-size:14px;white-space:nowrap}
.chip.n-principiante{background:#dcfce7;border-color:#86efac}
.chip.n-intermedio{background:#fef3c7;border-color:#fcd34d}
.chip.n-avanzado{background:#fee2e2;border-color:#fca5a5}
.chip.ok{background:#ecfdf5;border-color:#6ee7b7;color:#065f46}
.vacio{text-align:center;padding:28px 12px;color:var(--gris)}
.vacio .icono{font-size:40px;display:block;margin-bottom:6px}
.vacio .boton{margin-top:12px}

/* Corazón */
.corazon{border:0;background:none;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:50%;flex:none}
.corazon svg{width:26px;height:26px;fill:none;stroke:#94a3b8;stroke-width:2}
.corazon[aria-pressed="true"] svg{fill:#e11d48;stroke:#e11d48}
.corazon:active{transform:scale(.88)}
.barra-sup .corazon svg{stroke:#fff}
.barra-sup .corazon[aria-pressed="true"] svg{fill:#fb7185;stroke:#fb7185}

/* Control segmentado */
.seg{display:flex;background:#e2e8f0;border-radius:12px;padding:3px;gap:3px;margin:4px 0 12px}
.seg button,.seg a{flex:1;min-height:40px;border:0;border-radius:9px;background:none;font-weight:700;font-size:15px;color:#334155;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 4px}
.seg [aria-pressed="true"],.seg [aria-current="page"]{background:#fff;color:var(--azul);box-shadow:0 1px 3px rgba(15,23,42,.15)}

/* Fichas en lista (tarjetas) */
.lista{display:grid;gap:10px;grid-template-columns:1fr}
@media (min-width:700px){.lista{grid-template-columns:1fr 1fr}}
.tarjeta{display:flex;gap:12px;align-items:stretch;background:#fff;border:1px solid var(--borde);border-radius:var(--r);padding:10px;position:relative;text-decoration:none;color:inherit}
.tarjeta:active{background:#f8fafc}
.tarjeta .mini{width:64px;flex:none;border-radius:8px;overflow:hidden;background:#f1f5f9;align-self:flex-start}
.tarjeta .mini img{display:block;width:64px;height:auto}
.tarjeta .info{flex:1;min-width:0;padding-right:36px}
.tarjeta .cod{font-size:13px;font-weight:800;color:var(--naranjao);letter-spacing:.3px}
.tarjeta .nom{font-weight:700;font-size:17px;line-height:1.25;margin:1px 0 3px}
.tarjeta .obj{font-size:14px;color:var(--gris);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tarjeta .chips{margin:4px 0 0}.tarjeta .chip{font-size:13px;padding:1px 8px}
.tarjeta>.corazon{position:absolute;top:4px;right:4px}
.tarjeta .acciones{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}

/* Catálogo: buscador y filtros */
.buscador{position:sticky;top:var(--sup);z-index:5;background:var(--fondo);margin:-12px -16px 8px;padding:10px 16px 6px}
.buscador input{width:100%;min-height:48px;border:1.5px solid var(--borde);border-radius:12px;padding:10px 14px 10px 40px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23526072' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") 12px center/20px no-repeat;-webkit-appearance:none;appearance:none}
.buscador input:focus{outline:none;border-color:var(--azul2);box-shadow:0 0 0 3px rgba(29,78,216,.15)}
.filtros{display:flex;gap:8px;overflow-x:auto;padding:8px 0 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.filtros::-webkit-scrollbar{display:none}
.fchip{flex:none;min-height:40px;padding:0 14px;border-radius:999px;border:1.5px solid var(--borde);background:#fff;font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap}
.fchip[aria-pressed="true"]{background:var(--azul);border-color:var(--azul);color:#fff}
.fsel{flex:none;min-height:40px;border-radius:999px;border:1.5px solid var(--borde);background:#fff;padding:0 12px;font-size:15px;font-weight:600;max-width:210px}
.fsel.activo{border-color:var(--azul);color:var(--azul)}
.resumen{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--gris);margin:4px 0 8px;min-height:32px}
.enlace{border:0;background:none;color:var(--azul2);font-weight:700;font-size:15px;cursor:pointer;min-height:44px;padding:0 4px}

/* Inicio */
.saludo{margin:2px 0 14px}
.saludo h2{font-size:30px;margin:0;line-height:1.1}
.saludo p{margin:4px 0 0;color:var(--gris)}
.cta{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,var(--naranja),#ea580c);color:#fff;border-radius:18px;padding:18px;text-decoration:none;box-shadow:0 8px 20px rgba(249,115,22,.25);margin:12px 0}
.cta:active{transform:scale(.99)}
.cta .ico{font-size:34px}
.cta strong{display:block;font-size:20px}
.cta span{font-size:15px;opacity:.95}
.reanudar{display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid var(--azul2);border-radius:16px;padding:14px;text-decoration:none;color:inherit;margin:12px 0}
.reanudar .ico{font-size:28px}.reanudar small{display:block;color:var(--gris);font-size:14px}
.reanudar strong{display:block}
.mosaico{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mosaico a{background:#fff;border:1px solid var(--borde);border-radius:16px;padding:14px;text-decoration:none;color:inherit;min-height:96px;display:flex;flex-direction:column;justify-content:space-between}
.mosaico a:active{background:#f8fafc}
.mosaico .ico{font-size:24px}
.mosaico strong{font-size:16px;line-height:1.2}
.mosaico .num{font-size:26px;font-weight:800;color:var(--azul)}

/* Ficha de ejercicio */
.ficha .cabeza .cod{font-size:14px;font-weight:800;color:var(--naranjao)}
.ficha .cabeza h2{font-size:24px;line-height:1.2;margin:2px 0 4px}
.ficha .resumen-obj{font-size:15px;color:#334155;margin:2px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.diag{background:#fff;border:1px solid var(--borde);border-radius:var(--r);padding:8px 8px 4px;margin:8px 0 12px;position:relative}
.diag .anim-lienzo{width:min(100%, calc((100svh - var(--sup) - var(--tab) - 300px) * var(--ar, 0.5142)));min-width:min(100%,180px);max-width:520px}
.diag figcaption{font-size:14px;color:var(--gris);text-align:center;padding:2px 4px 4px}
/* Controles grandes justo debajo del dibujo; se quedan fijos al pie (zona del pulgar) al bajar por la ficha */
.diag .anim-ctrl{position:sticky;bottom:calc(var(--tab) + 6px);z-index:3;background:rgba(255,255,255,.97);border-radius:14px;padding:8px;margin:6px 0 2px;max-width:none;
 box-shadow:0 -2px 12px rgba(15,23,42,.10);display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center}
.diag .anim-ctrl .anim-play{flex:1 1 140px;min-height:52px;font-size:19px;border-radius:14px}
.diag .anim-ctrl .anim-replay,.diag .ampliar{min-height:52px;min-width:52px;font-size:16px;border-radius:14px;border:1px solid var(--borde);background:#fff;color:var(--azul);font-weight:700;padding:0 10px;cursor:pointer}
.diag .anim-ctrl .anim-vel{display:flex;gap:4px;flex:none}
.diag .anim-ctrl .anim-vel button{min-height:44px;min-width:46px;padding:0 6px}
.diag .anim-ctrl input[type=range]{flex:1 1 110px;min-width:100px;height:32px;margin:0}
.diag .anim-ctrl .anim-texto{flex-basis:100%;font-size:14px;line-height:1.3;min-height:2.6em;display:flex;align-items:center;justify-content:center}
/* Vista ampliada */
.diag.full{position:fixed;inset:0;z-index:60;margin:0;border-radius:0;border:0;padding:calc(env(safe-area-inset-top) + 56px) max(8px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(8px,env(safe-area-inset-left));overflow-y:auto;background:#fff}
.diag.full .anim-lienzo{width:min(100%, calc((100dvh - 230px - env(safe-area-inset-top) - env(safe-area-inset-bottom)) * var(--ar, 0.5142)))!important;max-width:none}
.diag.full .ampliar{position:fixed;top:calc(env(safe-area-inset-top) + 4px);right:max(8px,env(safe-area-inset-right));z-index:61}
.diag.full .anim-ctrl{position:static;box-shadow:none}
.diag.full figcaption{display:none}
body.con-full{overflow:hidden}
.bloque-txt dt{font-weight:700;color:var(--azul);font-size:15px;margin-top:10px}
.bloque-txt dd{margin:2px 0 0}
ol.pasos{padding-left:1.3rem;margin:6px 0}
ol.pasos li{margin:5px 0}
.errores li{margin:6px 0}
.errores b{display:block}
.consigna{background:#fff7ed;border-left:5px solid var(--naranja);border-radius:10px;padding:10px 12px;font-weight:600;margin:10px 0}

/* Bloque de inglés */
details.ingles{background:#f0f7ff;border:1px solid #bcd3f2;border-left:5px solid var(--azul2);border-radius:12px;margin:10px 0}
details.ingles summary{cursor:pointer;font-weight:800;color:var(--azul);padding:12px 14px;min-height:48px;display:flex;align-items:center;list-style:none}
details.ingles summary::-webkit-details-marker{display:none}
details.ingles summary::after{content:"＋";margin-left:auto;font-size:20px}
details.ingles[open] summary::after{content:"－"}
details.ingles .cuerpo{padding:0 14px 12px}
details.ingles h5{margin:10px 0 2px;font-size:15px;color:var(--azul)}
details.ingles ul{margin:2px 0 6px;padding-left:1.2rem}
details.ingles li{font-weight:600;margin:3px 0}
details.mas{background:#fff;border:1px solid var(--borde);border-radius:12px;margin:10px 0}
details.mas summary{cursor:pointer;font-weight:700;padding:12px 14px;min-height:48px;display:flex;align-items:center;color:var(--azul)}
details.mas .cuerpo{padding:0 14px 12px}

/* Formulario del generador */
.campo{margin:14px 0}
.campo>label,.campo>.et{display:block;font-weight:700;font-size:15px;color:var(--azul);margin-bottom:6px}
.opciones{display:flex;flex-wrap:wrap;gap:8px}
.opciones button{min-height:44px;padding:0 14px;border-radius:12px;border:1.5px solid var(--borde);background:#fff;font-weight:600;font-size:16px;cursor:pointer}
.opciones button[aria-pressed="true"]{background:var(--azul);border-color:var(--azul);color:#fff}
.opciones.num button{min-width:56px}
.entrada{width:100%;min-height:48px;border:1.5px solid var(--borde);border-radius:12px;padding:10px 12px;background:#fff}
select.entrada{-webkit-appearance:none;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b3d91' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 12px center/18px no-repeat;padding-right:40px}

/* Bloques de sesión (editor y modo clase) */
.bloque{background:#fff;border:1.5px solid var(--borde);border-radius:16px;padding:12px;margin:10px 0;scroll-margin-top:calc(var(--sup) + 10px)}
.bloque.activo{border-color:var(--naranja);box-shadow:0 0 0 3px rgba(249,115,22,.18)}
.bloque .cab{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.bloque .min{font-weight:800;font-size:15px;color:#fff;background:var(--azul);border-radius:8px;padding:2px 8px;white-space:nowrap}
.bloque.activo .min{background:var(--naranja)}
.bloque .tipo{font-weight:700;font-size:14px;color:var(--gris);text-transform:uppercase;letter-spacing:.4px}
.bloque .ahora{margin-left:auto;font-size:13px;font-weight:800;color:var(--naranjao)}
.bloque .ej{display:flex;gap:10px;align-items:flex-start;margin:6px 0}
.bloque .ej img{width:52px;border-radius:6px;flex:none;background:#f1f5f9}
.bloque .ej strong{display:block;font-size:17px;line-height:1.25}
.bloque .ej small{color:var(--gris);font-size:14px}
.bloque .txt{font-size:15px;margin:6px 0}
.bloque .acciones{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.bloque .acciones .boton{flex:1 1 140px}
.bloque select{margin-top:8px}
.barra-accion{position:sticky;bottom:calc(var(--tab) + 8px);z-index:4;display:flex;gap:8px;background:rgba(244,247,251,.96);padding:8px 0;margin-top:8px}
.barra-accion .boton{flex:1}

/* Aviso tipo «toast» */
.aviso{position:fixed;left:50%;bottom:calc(var(--tab) + 14px);transform:translate(-50%,20px);opacity:0;z-index:80;background:#0f172a;color:#fff;
 padding:10px 16px;border-radius:12px;font-weight:600;font-size:15px;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100vw - 32px);text-align:center}
.aviso.ver{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media (min-width:900px){.tabbar{left:50%;right:auto;transform:translateX(-50%);width:520px;border:1px solid var(--borde);border-radius:18px 18px 0 0}}
@media print{.barra-sup,.tabbar,.anim-ctrl,.ampliar,.barra-accion,.corazon{display:none!important}main{padding:0}}

/* ---------- Generador v2: 1-2 objetivos + foco de competición ---------- */
.opciones.objetivos button,.opciones.comp button{display:inline-flex;align-items:center;gap:8px;min-height:48px}
.opciones .orden:empty{display:none}
.opciones .orden{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#fff;color:var(--azul);font-weight:800;font-size:14px}
.opciones.comp button[aria-pressed="true"]{background:var(--naranja);border-color:var(--naranja);color:#fff}
.focos{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:4px 0 8px}
.foco{background:#fff;border:1.5px solid var(--borde);border-top:5px solid var(--azul);border-radius:12px;padding:8px 10px;min-width:0}
.foco.f2{border-top-color:var(--azul2)}
.foco.fc{border-top-color:var(--naranja)}
.foco b{display:block;font-size:12px;color:var(--gris);letter-spacing:.2px}
.foco span{display:block;font-weight:800;font-size:15px;line-height:1.2;margin:2px 0;overflow-wrap:anywhere}
.foco small{display:block;font-size:12px;color:var(--gris);line-height:1.2}
.foco-chip{font-size:13px;font-weight:700;color:var(--azul);background:var(--azulc);border-radius:999px;padding:2px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.bloque .cab{flex-wrap:wrap}

/* Diagrama premium (modo escena) y su leyenda */
.diag .anim-lienzo.escena{border-radius:12px;box-shadow:0 6px 18px rgba(20,50,79,.28)}
.leyenda{margin-top:-4px}
.leyenda ul{list-style:none;margin:0;padding:10px;background:#14324f;border-radius:12px;display:grid;gap:8px;color:#e2e8f0;font-size:14px}
.leyenda li{display:flex;align-items:center;gap:10px;line-height:1.25}
.leyenda li svg{flex:none}
.lg-tok{flex:none;width:30px;height:30px;border-radius:50%;background:#fff;border:4px solid #1d4ed8;color:#1d4ed8;font-weight:900;font-size:12px;display:flex;align-items:center;justify-content:center;box-sizing:border-box}
.lg-tok.e{border-radius:7px;background:#0f172a;border:3px solid #facc15;color:#facc15;font-size:14px}