/* Prototipo de navegación. Todos los selectores quedan dentro de .navigation-app. */
.navigation-app {
 --brand:#bc0009;--brand-dark:#8b0606;--ink:#1c1c1e;--muted:#595d68;
 --canvas:#f2f2f7;--surface:#fff;--line:#e3e4e9;--soft:#fbf0f0;
 --radius:16px;--shadow:0 3px 16px #191b2410;
 color:var(--ink);background:var(--canvas);background-image:none!important;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif!important;
 font-size:16px;line-height:1.5;margin:0;min-height:100dvh;height:auto;max-width:100%;
 -webkit-font-smoothing:antialiased;
}
.navigation-app * {box-sizing:border-box}
.navigation-app :is(p,a,span,label,h2,h3,header,footer,div) {font-family:inherit}
.nav-home .hero-langs {align-self:center;top:auto;right:auto}
.nav-home .hero-subtitle {min-width:0;overflow-wrap:anywhere}
.nav-home .search-wrap,.nav-home .search-bar-new {background:transparent!important}
.nav-home #filterChips {padding:0;gap:0}
.nav-category .buscador-container {position:static!important;inset:auto!important;transform:none!important;z-index:auto}
.nav-category .post-item a {margin:0!important;text-align:left;font-family:inherit}
.navigation-app a {color:inherit;text-decoration:none}
.navigation-app button,.navigation-app input,.navigation-app textarea {font:inherit}
.navigation-app button,.navigation-app a {touch-action:manipulation}
.navigation-app :is(a,button,input,textarea,[tabindex]):focus-visible {outline:3px solid #125ab6;outline-offset:4px}
.navigation-app :is(a,button) {transition:background-color .16s,border-color .16s,box-shadow .16s}
.navigation-app button {cursor:pointer}
.navigation-app img {max-width:100%}
.navigation-app #contenedor-lista {display:none!important}
.navigation-app [hidden] {display:none!important}
.navigation-app .ux-skip {position:fixed;top:-90px;left:12px;z-index:3000;padding:12px 20px;background:white;border:2px solid var(--brand)}
.navigation-app .ux-skip:focus {top:8px}
.navigation-app .ux-search-label {display:block;font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--muted);margin:0 0 8px;text-transform:uppercase}
.navigation-app #buscador {min-width:0;width:100%;height:52px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink);font-size:16px;padding:0 16px;box-shadow:0 1px 3px #191b2408}
.navigation-app #buscador::placeholder {color:#656976;opacity:1}
.navigation-app #buscador:focus {border-color:var(--brand)}
.navigation-app #botonBuscar {height:52px;min-width:66px;padding:0 18px;border:0;border-radius:13px;background:var(--brand);color:white;font-weight:650}
.navigation-app #botonBuscar:hover {background:var(--brand-dark)}
/* Portada */
.nav-home .hero {position:relative;display:flex;align-items:center;justify-content:space-between;min-height:82px;background:white;border-bottom:3px solid var(--brand);padding:14px 20px;margin:0}
.nav-home .hero-title {font:750 21px/1.2 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;letter-spacing:-.03em;color:var(--brand);margin:0;text-align:left}
.nav-home .hero-langs {position:static;display:flex;gap:6px;order:2}
.nav-home .hero-langs a {display:flex;align-items:center;justify-content:center;min-width:44px;height:44px;background:var(--canvas);border:1px solid var(--line);border-radius:12px}
.nav-home .hero-langs img {width:22px;height:15px;object-fit:cover;border-radius:2px;box-shadow:none}
.nav-home .hero-divider {display:none}
.nav-home .portada-wrap {max-width:1080px;margin:20px 16px 16px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(110deg,#fff 10%,#fbf1f1);border:1px solid var(--line);border-radius:20px;text-align:left;box-shadow:var(--shadow)}
.nav-home .hero-subtitle {margin:0;max-width:14ch;font:650 27px/1.15 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;letter-spacing:-.035em;color:var(--ink);text-align:left}
.nav-home .portada-link-wrap {display:block;flex:0 0 87px;min-width:44px}
.nav-home .portada-img {display:block;width:87px;height:auto;max-height:132px;object-fit:contain;border:0;border-radius:4px;box-shadow:0 5px 16px #37101418}
.nav-home .search-wrap {padding:0;margin:22px 16px;max-width:1080px}
.nav-home .search-bar-new {background:none;border:0;box-shadow:none;padding:0;display:block;max-width:none}
.nav-home .search-bar-new>i {display:none}
.nav-home .filters-section,.nav-home .songs-section {max-width:1080px;margin:0 16px 24px;padding:0;border:0;background:transparent}
.nav-home :is(.filters-toggle,.songs-toggle) {display:flex;align-items:center;justify-content:space-between;width:100%;min-height:48px;border:0;border-radius:8px;background:transparent;padding:4px 0 12px;font-size:17px;font-weight:700;color:var(--ink);text-align:left}
.nav-home :is(.filters-toggle,.songs-toggle)::after {content:"";width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin:0 7px}
.nav-home :is(.filters-toggle,.songs-toggle)[aria-expanded=false]::after {transform:rotate(-45deg)}
.nav-home :is(.filters-toggle,.songs-toggle)>i {display:none}
.nav-home .chips-container {padding:0;display:block}
.nav-home .chips-row {display:flex;flex-wrap:wrap;justify-content:flex-start;gap:8px;margin:0 0 10px}
.nav-home .chips-row:first-child {display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.nav-home .chip {white-space:normal;display:flex;align-items:center;justify-content:flex-start;gap:10px;min-height:44px;padding:9px 12px;font-size:13px;line-height:1.35;font-weight:500;box-shadow:none;background:white;color:var(--ink);border:1px solid var(--line);border-radius:12px}
.nav-home .chips-row:first-child .chip {min-height:72px;padding:13px;font-size:14px;font-weight:650;border-radius:16px}
.nav-home .chips-row:first-child .chip::before {content:"";flex:0 0 12px;height:12px;border-radius:50%;background:white;border:1px solid #c7cbd3}
.nav-home .chips-row:first-child .chip-blue::before {background:#76b1ee;border-color:#5a9ddd}
.nav-home .chips-row:first-child .chip-green::before {background:#bfe2bb;border-color:#7fb179}
.nav-home .chips-row:first-child .chip-yellow::before {background:#f5e69b;border-color:#d8bd45}
.nav-home .chip:hover,.nav-home .chip:active {background:var(--soft);border-color:#d9a8aa}
.nav-home .songs-list {margin:0;padding:0;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.nav-home .song-row {min-height:58px;display:flex;align-items:center;gap:12px;padding:13px 16px;background:white;border-bottom:1px solid var(--line);font-size:16px;line-height:1.4;color:var(--ink)}
.nav-home .song-row:last-child {border-bottom:0}
.nav-home .song-row:hover,.nav-home .song-row:active {background:var(--soft)}
.nav-home .song-dot {width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:#c3c6cf;border:0}
.nav-home .song-name {flex:1;min-width:0;white-space:normal;overflow:visible;text-overflow:clip;overflow-wrap:anywhere}
.nav-home .song-chevron {display:none}
.nav-home .song-row::after {content:"";flex:0 0 7px;width:7px;height:7px;border-top:1.5px solid #8b909c;border-right:1.5px solid #8b909c;transform:rotate(45deg)}
.nav-home .site-footer {padding:20px 20px 92px;background:transparent;font-size:12px;color:var(--muted);border:0;max-width:1080px;margin:auto}
.nav-home .site-footer a {display:inline-flex;align-items:center;min-height:44px;text-decoration:underline}
.nav-home #chat-cantos-btn {width:48px;height:48px;right:16px;bottom:16px;border-radius:15px;background:var(--brand);box-shadow:0 4px 14px #8b060628;z-index:60}
.nav-home #chat-cantos-btn i {display:none}
.nav-home #chat-cantos-btn::before {content:"";display:block;width:20px;height:16px;border:2px solid white;border-radius:6px;margin:auto}
.nav-home #chat-cantos-box {z-index:1200;right:16px;bottom:76px;max-width:calc(100vw - 32px)}
/* Categorías: cabecera compacta, lista única y menú lateral. */
.nav-category header {position:sticky;top:0;z-index:900;display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;background:white;border-bottom:3px solid var(--brand);padding:10px 16px;min-height:118px;box-shadow:0 2px 9px #191b2408}
.nav-category header>a:first-child {display:flex;align-items:center;justify-content:center;width:38px;min-height:44px}
.nav-category header .logo {display:block;width:30px;height:42px;object-fit:contain;padding:0;margin:0;border:0}
.nav-category .ux-brand-title {font:750 17px/1.25 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;letter-spacing:-.03em;color:var(--brand);margin:0;flex:1;min-width:0}
.nav-category .abrir-menu {display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--canvas);order:2;margin-left:auto}
.nav-category .abrir-menu i {display:none}
.nav-category .abrir-menu::before {content:"";display:block;width:17px;height:12px;border-top:2px solid currentColor;border-bottom:2px solid currentColor;box-shadow:inset 0 4px white,inset 0 6px currentColor}
.nav-category .buscador-container {order:3;flex:0 0 100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin:0;padding:0;max-width:100%;width:100%}
.nav-category .buscador-container .ux-search-label {position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.nav-category .precatitu {max-width:860px;margin:28px auto 20px;padding:0 16px;text-align:left;background:none}
.nav-category .precatitu__1 {font:720 29px/1.15 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);letter-spacing:-.035em;padding:0;margin:0}
.nav-category .ux-count {color:var(--muted);font-size:14px;margin:9px 0 0}
.nav-category .container_Post {width:auto;max-width:860px;display:block;margin:0 auto;padding:0 16px;background:none}
.nav-category .poster {display:block;margin:0;padding:0;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.nav-category .poster>div {display:contents}
.nav-category .post-item {margin:0;padding:0;width:auto;height:auto;display:block;font-size:16px;font-weight:450;background:none}
.nav-category .post-item a {display:flex;align-items:center;gap:14px;min-height:72px;width:100%;padding:12px 16px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.35;color:var(--ink);background:white;overflow-wrap:anywhere}
.nav-category .post-item a::after {content:"";display:block;flex:0 0 7px;width:7px;height:7px;border-top:1.5px solid #8b909c;border-right:1.5px solid #8b909c;transform:rotate(45deg);margin-left:auto}
.nav-category .post-item a:hover,.nav-category .post-item a:active {background:var(--soft)}
.nav-category .minican {display:block;flex:0 0 32px;width:32px;height:44px;object-fit:contain;max-width:32px;max-height:44px;border:1px solid #e7e7eb;border-radius:3px;background:white;margin:0;padding:0}
.nav-category .container-pie {display:flex;gap:10px;justify-content:center;max-width:860px;margin:24px auto;padding:0 16px;background:none}
.nav-category .container-pie a {display:flex;align-items:center;justify-content:center;min-width:48px;height:48px;border:1px solid var(--line);border-radius:12px;background:white;font-size:16px;padding:0}
.nav-category .container-pie .pie1 {background:var(--brand);color:white;border-color:var(--brand)}
.nav-category footer {max-width:860px;margin:24px auto;padding:0 16px 32px;color:var(--muted);background:none;text-align:left}
.nav-category footer h4 {font:600 12px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;margin:0 0 8px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.nav-category footer .idiom_1 {display:flex;justify-content:flex-start;gap:10px;align-items:center}
.nav-category footer br {display:none}
.nav-category footer a {display:flex;align-items:center;justify-content:center;width:48px;height:44px;border:1px solid var(--line);border-radius:12px;background:white}
.nav-category footer img {display:block;width:24px;height:16px;object-fit:cover;margin:0;padding:0}
.nav-category #nav {position:fixed;inset:0 0 0 auto;z-index:1200;width:min(360px,90vw);height:100dvh;display:flex;flex-direction:column;gap:10px;background:white;border-left:1px solid var(--line);padding:18px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateX(100%);box-shadow:none;transition:transform .18s,visibility .18s,opacity .18s}
.nav-category #nav.visible {opacity:1;visibility:visible;transform:none;box-shadow:-28px 0 0 100vmax #17181e70}
.nav-category #cerrar {align-self:flex-end;display:flex;align-items:center;justify-content:center;width:44px;min-height:44px;background:var(--canvas);color:var(--ink);border:1px solid var(--line);border-radius:12px;position:static}
.nav-category #cerrar i {display:none}
.nav-category #cerrar::before {content:"×";font-size:28px;line-height:1}
.nav-category #nav .nav-list {display:block;list-style:none;margin:0;padding:0;text-align:left;position:static;font-size:15px}
.nav-category #nav li {display:block;list-style:none;margin:0;padding:0;background:none;position:static}
.nav-category #nav a {display:flex;align-items:center;min-height:48px;padding:10px 12px;color:var(--ink);border-radius:10px;line-height:1.35;font-size:15px;background:none}
.nav-category #nav a:hover {background:var(--canvas)}
.nav-category #nav a[aria-current=page] {background:var(--soft);color:var(--brand-dark);font-weight:700;box-shadow:inset 3px 0 var(--brand)}
.nav-category #nav a[role=button] {margin-top:10px;font-size:12px;font-weight:700;color:var(--muted);background:var(--canvas)}
.nav-category #nav a[role=button]::after {content:"⌄";margin-left:auto}
.nav-category #nav li ul {display:block;position:static;opacity:1;visibility:visible;padding:5px 0 0 10px;margin:0;background:none;width:auto;box-shadow:none;transform:none}
.navigation-app #resultados-modal {max-width:calc(100vw - 32px);max-height:58dvh;overflow:auto;background:white;border:1px solid var(--line);border-radius:15px;box-shadow:0 12px 32px #17181e25;padding:12px!important;z-index:1400!important}
.navigation-app #cerrar-modal {display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;float:right;font-size:23px;cursor:pointer;color:var(--muted);position:sticky;top:0;background:white;border-radius:8px}
.navigation-app #resultados-modal ul {clear:both;list-style:none;margin:0;padding:0}
.navigation-app #resultados-modal li {margin:0;padding:0}
.navigation-app #resultados-modal a {display:flex;align-items:center;min-height:48px;padding:10px 12px;line-height:1.4;font-size:16px;border-radius:9px;color:var(--ink)}
.navigation-app #resultados-modal a:hover {background:var(--soft)}
@media(min-width:768px){
 .nav-home .hero{padding:18px max(24px,calc((100vw - 1080px)/2));}
 .nav-home .portada-wrap,.nav-home .search-wrap,.nav-home .filters-section,.nav-home .songs-section{margin-left:auto;margin-right:auto;width:calc(100% - 48px)}
 .nav-home .portada-wrap{padding:28px 36px;min-height:190px;margin-top:28px}
 .nav-home .hero-subtitle{font-size:38px;max-width:20ch}
 .nav-home .portada-link-wrap,.nav-home .portada-img{width:108px;flex-basis:108px;max-height:154px}
 .nav-home .chips-row:first-child{grid-template-columns:repeat(4,1fr)}
 .nav-home .chips-row:first-child .chip{min-height:80px;font-size:15px;padding:18px}
 .nav-home .chip{font-size:14px}
 .nav-home #chat-cantos-btn{right:24px;bottom:24px}
 .nav-category header{padding:10px max(24px,calc((100vw - 828px)/2));}
 .nav-category .precatitu{margin-top:36px;margin-bottom:24px}
 .nav-category .precatitu__1{font-size:36px}
 .nav-category .post-item a{padding:14px 20px;min-height:76px}
}
@media(prefers-reduced-motion:reduce){.navigation-app *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.nav-category .container_Post>:is(.poster,.poster1,.postercate,.posterest) {display:block;margin:0;padding:0;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.nav-category .container_Post>div+div {margin-top:12px}
.nav-home #filterChips {padding:0;gap:0}
.nav-home .hero-langs {align-self:center;top:auto;right:auto;transform:none}
.nav-home .hero-subtitle {font-size:23px;min-width:0;overflow-wrap:anywhere}
@media(min-width:768px){.nav-home .hero-subtitle{font-size:38px}}

.nav-home .hero-subtitle {max-width:none;font-size:21px;overflow-wrap:normal}
.nav-home .portada-link-wrap,.nav-home .portada-img {width:64px;flex-basis:64px}
.nav-category header>a:first-child {width:44px}
.nav-category :is(.post-item,.post-item a) {font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
@media(min-width:768px){.nav-home .hero-subtitle{font-size:38px;max-width:20ch}.nav-home .portada-link-wrap,.nav-home .portada-img{width:108px;flex-basis:108px}}

.nav-category #nav {align-items:stretch;overscroll-behavior:contain}
.nav-category #nav .nav-list {width:100%}

/* Iteración 2: solo identidad e indicadores; disposición aprobada intacta. */
.navigation-app .ux-song-color {display:block;flex:0 0 16px;width:16px;height:16px;border-radius:50%;border:1px solid #c7cbd3;background:#fff}
.navigation-app .ux-color-azul {background:#76b1ee;border-color:#5a9ddd}
.navigation-app .ux-color-verde {background:#bfe2bb;border-color:#7fb179}
.navigation-app .ux-color-amarillo {background:#f5e69b;border-color:#d8bd45}

/* Selección de filtros: solo portada; conserva dimensiones y colores de etapa. */
.navigation-app.nav-home #filterChips .chip[aria-pressed="true"]{background:#e7eef8;border-color:#34587e;box-shadow:inset 0 0 0 1px #34587e;font-weight:700}
.navigation-app.nav-home .home-filter-empty{padding:1rem;color:#526071}

/* Hooks de familia: conserva bloques y navegación histórica dentro de la UI común. */
.nav-category :is(.postercate,.posterest,.poster1)>div{display:contents}
.nav-category :is(.postercate,.posterest,.poster1){padding:0;width:auto;height:auto}
.nav-category footer :is(.idiom_1,.idiom_2){display:flex;justify-content:flex-start;gap:10px;align-items:center}

/* Only native standalone: exact historical language groups, including their headings. */
html.navigation-standalone .navigation-app :is(.hero-langs,.idiom_1,.idiom_2,.idiom_1ninos,h4.idiom,h4.idiom2,h4.idiom3,h4.idiom4,h4.idiompreca,h4.idiomninos){display:none!important}

/* Installed category header: shell arrow plus original identity and search. */
html[data-pwa-mode=app] .nav-category header:has(.pwa-home-link){gap:10px;flex-wrap:wrap}
html[data-pwa-mode=app] .nav-category header .pwa-home-link{flex:0 0 44px}
html[data-pwa-mode=app] .nav-category header>a:has(.logo){min-width:0;flex-shrink:1}
html[data-pwa-mode=app] .nav-category :is(.abrir-menu,.cerrar-menu,#nav){display:none!important}
html[data-pwa-mode=app] .nav-category :is(.precatitu__1,.precatitu__2,.precatitu__3,.precatitu__4){font-size:calc(25px * var(--pwa-scale));overflow-wrap:anywhere}