/* ============================================================
   WEB|Beam — entrada pública y pantalla de proyección.
   Toda la apariencia sale de las variables de :root.
   ============================================================ */

:root {
    --tinta:      #0A1A2F;   /* azul profundo, fondo de la portada */
    --tinta-suave:#102844;
    --nube:       #F4F7FB;
    --blanco:     #FFFFFF;
    --azul:       #1D4ED8;   /* botón principal */
    --azul-claro: #3B82F6;
    --cielo:      #38BDF8;   /* resaltes */
    --texto:      #16233A;
    --gris:       #64748B;
    --linea:      #E2E8F2;
    --verde:      #15803D;
    --rojo:       #DC2626;
    --radio:      14px;

    /* Fondo de la portada: lo fija el súper usuario desde su panel. */
    --portada-imagen: none;
    --portada-velo: .82;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Manrope', system-ui, sans-serif; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
    background: var(--nube);
    color: var(--texto);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--azul); }

/* --------------------------------------------- menú flotante */
.pastilla-menu {
    position: fixed;
    top: 18px; right: 5%;
    z-index: 120;
    width: 62px; height: 46px;
    border: none;
    border-radius: 999px;
    background: var(--blanco);
    box-shadow: 0 8px 22px rgba(3, 10, 24, .28);
    cursor: pointer;
    display: grid;
    place-items: center;
    gap: 5px;
    padding: 12px 16px;
}
.pastilla-menu i { display: block; width: 26px; height: 3px; border-radius: 2px; background: var(--azul); }
.pastilla-menu i + i { margin-top: 5px; }

.menu {
    position: fixed;
    top: 74px; right: 5%;
    z-index: 119;
    background: var(--blanco);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(3, 10, 24, .3);
    padding: 12px;
    min-width: 230px;
    display: grid;
    gap: 2px;
}
.menu a {
    display: block;
    padding: 11px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--texto);
    font-weight: 700;
    font-size: .9rem;
}
.menu a:hover { background: var(--nube); color: var(--azul); }
.menu hr { border: none; border-top: 1px solid var(--linea); margin: 6px 4px; }

/* ------------------------------------------------- portada
   Pantalla completa, contenido al centro. La imagen de fondo y la
   opacidad del velo las fija el súper usuario; si no hay imagen,
   queda el degradado azul. */
.portada {
    position: relative;
    min-height: 100svh;
    display: grid;
    place-items: center;
    padding: 110px 6% 70px;
    background-color: var(--tinta);
    background-image: var(--portada-imagen);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.portada .velo {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(900px 520px at 20% 0%, color-mix(in srgb, var(--azul) 55%, transparent), transparent 62%),
        radial-gradient(760px 480px at 85% 10%, color-mix(in srgb, var(--cielo) 28%, transparent), transparent 58%),
        var(--tinta);
    opacity: var(--portada-velo);
}
.portada-centro {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 680px;
    width: 100%;
    color: var(--blanco);
}

.logo-grande {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 22px;
}
.logo-grande svg { width: clamp(44px, 9vw, 72px); height: auto; flex: none; }
.logo-grande .palabra {
    font-size: clamp(2.2rem, 8vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1;
}
.logo-grande .palabra i { font-style: normal; color: var(--cielo); }

.lema {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: rgba(255,255,255,.82);
    margin: 0 auto 30px;
    max-width: 520px;
}

.botones { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-lleno, .btn-linea {
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 800;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
    transition: transform .15s, background-color .15s;
}
.btn-lleno { background: var(--azul); color: var(--blanco); }
.btn-lleno:hover { background: var(--azul-claro); transform: translateY(-1px); }
.btn-linea { background: var(--blanco); color: var(--azul); border-color: var(--blanco); }
.btn-linea:hover { background: transparent; color: var(--blanco); }

/* Tarjeta del PIN: aparece al pulsar el botón principal. */
.caja-pin {
    margin: 26px auto 0;
    max-width: 380px;
    background: var(--blanco);
    color: var(--texto);
    border-radius: 18px;
    padding: 26px 24px;
    box-shadow: 0 26px 60px rgba(3, 10, 24, .5);
    text-align: left;
}
.caja-pin h2 { font-size: 1.1rem; font-weight: 800; margin-bottom: 4px; }
.caja-pin p.sub { font-size: .87rem; color: var(--gris); margin-bottom: 16px; }

.campo-pin {
    width: 100%;
    padding: 15px 16px;
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: 8px;
    text-align: center;
    text-transform: uppercase;
    border: 2px solid var(--linea);
    border-radius: var(--radio);
    background: var(--nube);
    color: var(--texto);
    font-family: ui-monospace, Menlo, monospace;
}
.campo-pin:focus {
    outline: none;
    border-color: var(--azul);
    background: var(--blanco);
    box-shadow: 0 0 0 4px rgba(29,78,216,.15);
}
.campo-pin::placeholder { color: #C3CADB; letter-spacing: 6px; }

.btn-entrar {
    width: 100%;
    margin-top: 12px;
    padding: 14px;
    border: none;
    border-radius: var(--radio);
    background: var(--azul);
    color: var(--blanco);
    font-size: 1rem;
    font-weight: 800;
    font-family: inherit;
    cursor: pointer;
}
.btn-entrar:hover { background: var(--azul-claro); }
.btn-entrar:disabled { opacity: .6; cursor: progress; }

.pie-pin { margin-top: 14px; font-size: .8rem; color: var(--gris); text-align: center; }

.aviso {
    padding: 11px 14px;
    border-radius: 10px;
    font-size: .86rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.aviso.ok   { background: #E7F7EE; color: var(--verde); }
.aviso.mal  { background: #FDECEC; color: var(--rojo); }
.aviso.info { background: #EAF1FE; color: #1E40AF; }

.flecha-abajo {
    position: absolute;
    bottom: 22px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,.55);
    text-decoration: none;
    font-size: .8rem;
    font-weight: 700;
}
.flecha-abajo:hover { color: var(--blanco); }

/* -------------------------------------------------- secciones */
section.bloque { padding: 80px 6%; }
section.bloque.clara { background: var(--blanco); }

.titulo-seccion { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.titulo-seccion h3 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -.6px;
    margin-bottom: 10px;
}
.titulo-seccion p { color: var(--gris); font-size: .98rem; }

.rejilla {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}
.tarjeta {
    background: var(--blanco);
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    padding: 26px;
}
section.bloque.clara .tarjeta { background: var(--nube); border-color: transparent; }
.tarjeta .icono {
    width: 42px; height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--azul), var(--cielo));
    color: var(--blanco);
    font-weight: 800;
    margin-bottom: 14px;
}
.tarjeta h4 { font-size: 1.03rem; font-weight: 800; margin-bottom: 7px; }
.tarjeta p { font-size: .91rem; color: var(--gris); }

.pasos { counter-reset: paso; max-width: 860px; margin: 0 auto; display: grid; gap: 16px; }
.paso {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: var(--blanco);
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    padding: 20px 24px;
}
.paso::before {
    counter-increment: paso;
    content: counter(paso);
    flex: none;
    width: 34px; height: 34px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--tinta);
    color: var(--blanco);
    font-weight: 800;
    font-size: .9rem;
}
.paso h4 { font-size: .98rem; font-weight: 800; margin-bottom: 3px; }
.paso p { font-size: .9rem; color: var(--gris); }

/* ------------------------------------------------------- pie */
footer.sitio {
    background: var(--tinta);
    color: rgba(255,255,255,.6);
    padding: 36px 6%;
    text-align: center;
    font-size: .85rem;
}
footer.sitio .marca-pie {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    color: var(--blanco); font-weight: 800; font-size: 1.05rem; margin-bottom: 10px;
}
footer.sitio .marca-pie svg { width: 26px; height: 26px; }
footer.sitio .marca-pie i { font-style: normal; color: var(--cielo); }
footer.sitio a { color: rgba(255,255,255,.75); text-decoration: none; margin: 0 8px; }
footer.sitio a:hover { color: var(--cielo); }

/* ------------------------------------------ pantalla proyectada */
.beam {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: #05070E;
    display: flex;
    flex-direction: column;
}
.beam-barra {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 10px 18px;
    background: rgba(255,255,255,.04);
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: var(--blanco);
    font-size: .85rem;
    font-weight: 600;
}
.beam-barra .nombre { font-weight: 800; }
.beam-barra .vivo {
    background: var(--cielo);
    color: #04121A;
    padding: 3px 11px;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .5px;
}
.beam-barra .vivo.libre { background: rgba(255,255,255,.18); color: var(--blanco); }
.beam-barra .posicion { color: rgba(255,255,255,.6); }
.beam-barra .botones { margin-left: auto; display: flex; gap: 8px; }
.beam-barra button {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: var(--blanco);
    border-radius: 9px;
    padding: 7px 13px;
    font-family: inherit;
    font-weight: 700;
    font-size: .82rem;
    cursor: pointer;
}
.beam-barra button:hover { background: rgba(255,255,255,.2); }

.beam-escena {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: auto;
}
.beam-escena img { max-height: 100%; max-width: 100%; object-fit: contain; border-radius: 10px; }
.beam-texto { color: #EDF1F8; max-width: 950px; width: 100%; }
.beam-texto h3 {
    color: var(--cielo);
    font-size: clamp(1.4rem, 3.6vw, 2.2rem);
    margin-bottom: 18px;
    letter-spacing: -.5px;
}
.beam-texto h4 { font-size: clamp(1.1rem, 2.4vw, 1.4rem); margin: 18px 0 8px; color: #C7D2FE; }
.beam-texto p { font-size: clamp(1rem, 2.1vw, 1.3rem); margin-bottom: 14px; }
.beam-texto ul { margin-left: 24px; font-size: clamp(1rem, 2.1vw, 1.25rem); }
.beam-texto li { margin-bottom: 8px; }
.beam-pie { padding: 10px 18px 16px; text-align: center; color: #7A8499; font-size: .8rem; }

/* Material de apoyo dentro de la sala */
.beam-soportes {
    position: absolute;
    top: 58px; right: 16px;
    z-index: 20;
    width: min(330px, calc(100vw - 32px));
    max-height: 60vh;
    overflow-y: auto;
    background: var(--blanco);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 20px 50px rgba(3, 10, 24, .5);
}
.beam-soportes h4 {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--gris);
    margin-bottom: 10px;
}
.beam-soportes a {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 11px 13px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--texto);
    border: 1px solid var(--linea);
    margin-bottom: 8px;
}
.beam-soportes a:hover { background: var(--nube); border-color: var(--azul); }
.beam-soportes a span { font-weight: 700; font-size: .9rem; }
.beam-soportes a em { font-style: normal; font-size: .76rem; color: var(--gris); }

/* ----------------------------------------------------- móvil */
@media (max-width: 760px) {
    .portada { padding: 100px 6% 80px; }
    .logo-grande { gap: 12px; }
    .logo-grande svg { width: 46px; height: 46px; }
    .botones { flex-direction: column; }
    .btn-lleno, .btn-linea { width: 100%; }
    section.bloque { padding: 56px 6%; }
}

/* ------------------------------------------ logo subido */
.logo-img { height: clamp(48px, 10vw, 84px); width: auto; flex: none; }
.logo-img.chico { height: 28px; width: 28px; }
footer.sitio .marca-pie { align-items: center; }

/* ------------------------------------ preguntas, votos, ranking */
.beam-barra button.pulso {
    background: var(--cielo);
    border-color: var(--cielo);
    color: #04121A;
    animation: pulso 1.6s ease-in-out infinite;
}
@keyframes pulso {
    0%, 100% { box-shadow: 0 0 0 0 rgba(56,189,248,.55); }
    50% { box-shadow: 0 0 0 8px rgba(56,189,248,0); }
}

.beam-capa {
    position: absolute;
    inset: 0;
    z-index: 40;
    background: rgba(3, 8, 20, .72);
    backdrop-filter: blur(3px);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-y: auto;
    padding: 16px 16px 30px;
}
.capa-caja { position: relative; width: min(560px, 100%); display: grid; gap: 14px; }
.capa-cerrar {
    position: sticky; top: 0; justify-self: end; z-index: 2; margin-bottom: -4px;
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.12);
    color: #fff; font-size: 1.5rem; line-height: 1; cursor: pointer;
}
#beamCapaCuerpo { display: grid; gap: 14px; }
.capa-tarjeta {
    background: var(--blanco);
    color: var(--texto);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.capa-tipo {
    font-size: .72rem; font-weight: 800; letter-spacing: .7px; text-transform: uppercase;
    color: var(--azul); margin-bottom: 6px;
}
.capa-tarjeta h3 { font-size: 1.2rem; line-height: 1.35; margin-bottom: 14px; letter-spacing: -.3px; }
.capa-detalle { font-size: .9rem; color: var(--gris); margin: -6px 0 14px; white-space: pre-line; }
.capa-opciones { display: grid; gap: 9px; }
.capa-opciones button, .capa-enviar {
    display: flex; align-items: center; gap: 12px;
    width: 100%; text-align: left;
    padding: 14px 16px; border-radius: 12px;
    border: 2px solid var(--linea); background: var(--nube);
    font-family: inherit; font-size: 1rem; font-weight: 700; color: var(--texto);
    cursor: pointer;
}
.capa-opciones button:hover:not(:disabled) { border-color: var(--azul); background: #EAF1FE; }
.capa-opciones button b {
    display: inline-grid; place-items: center; flex: none;
    width: 30px; height: 30px; border-radius: 8px;
    background: var(--azul); color: #fff; font-size: .85rem;
}
.capa-opciones button:disabled, .capa-enviar:disabled { opacity: .5; cursor: default; }
.capa-enviar { justify-content: center; background: var(--azul); border-color: var(--azul); color: #fff; margin-top: 10px; }
.capa-etiqueta { display: block; font-size: .8rem; font-weight: 700; margin-bottom: 5px; }
.capa-campo {
    width: 100%; padding: 13px 14px; border: 2px solid var(--linea); border-radius: 12px;
    font-size: 1rem; margin-bottom: 12px; font-family: inherit;
}
.capa-campo:focus { outline: none; border-color: var(--azul); }
.capa-nota { font-size: .84rem; color: var(--gris); margin-top: 10px; }
.caja-capa-vacia, #beamCapaCuerpo > .capa-nota { background: var(--blanco); border-radius: 14px; padding: 18px; margin: 0; }
.capa-error { color: var(--rojo); font-size: .85rem; font-weight: 700; margin-top: 8px; min-height: 1em; }
.capa-ok { color: var(--verde); font-weight: 700; }
.capa-ok.grande { font-size: 1.25rem; }
.capa-mal { color: var(--rojo); font-weight: 700; font-size: 1.05rem; }
.capa-correcta { background: #E7F7EE; color: var(--verde); padding: 11px 14px; border-radius: 10px; margin-bottom: 10px; }
.capa-ganadora { font-size: 1.15rem; font-weight: 800; color: var(--verde); margin-bottom: 8px; }

.cuenta {
    position: relative; height: 30px; border-radius: 999px; background: #E9EDF6;
    overflow: hidden; margin-bottom: 14px;
}
.cuenta i { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--azul), var(--cielo)); transition: width .25s linear; }
.cuenta.poco i { background: var(--rojo); }
.cuenta span { position: relative; display: block; text-align: center; line-height: 30px; font-weight: 800; font-size: .85rem; color: var(--texto); }

.capa-barras { display: grid; gap: 10px; }
.capa-barra .rotulo { display: flex; justify-content: space-between; gap: 10px; font-weight: 700; font-size: .92rem; margin-bottom: 4px; }
.capa-barra .rotulo span:last-child { color: var(--gris); white-space: nowrap; }
.capa-barra .riel { height: 14px; background: #E9EDF6; border-radius: 999px; overflow: hidden; }
.capa-barra .riel i { display: block; height: 100%; background: linear-gradient(90deg, var(--azul), var(--cielo)); }
.capa-barra.gana .riel i { background: linear-gradient(90deg, var(--verde), #22C55E); }

.capa-ranking { list-style: none; display: grid; gap: 6px; }
.capa-ranking li {
    display: flex; align-items: center; gap: 12px;
    padding: 9px 12px; border-radius: 10px; background: var(--nube);
}
.capa-ranking li.mio { background: #EAF1FE; outline: 2px solid var(--azul); }
.capa-ranking .quien { flex: 1; font-weight: 700; }
.capa-ranking .pts { font-weight: 800; }
.puesto {
    display: inline-grid; place-items: center; flex: none;
    width: 30px; height: 30px; border-radius: 50%;
    background: #E2E8F2; font-weight: 800; font-size: .85rem;
}
.puesto.oro { background: #FDE68A; color: #92400E; }
.puesto.plata { background: #E2E8F0; color: #334155; }
.puesto.bronce { background: #FED7AA; color: #9A3412; }

@media (max-width: 760px) {
    .beam-barra { padding: 8px 12px; }
    .beam-barra .botones { margin-left: 0; width: 100%; flex-direction: row; flex-wrap: wrap; gap: 6px; }
    .beam-barra .botones button { flex: 1 1 auto; padding: 7px 10px; }
}
.logo-img { border-radius: 22%; }