/* Diplomatura en IA Generativa: asistente inmersivo de la portada (js/devia-asistente.js).
   Capa a pantalla completa sobre el sitio convencional, que sigue en el HTML y se elige arriba a la derecha. */

:root {
    --da-fondo: #030712;
    --da-tinta: #e8f1ff;
    --da-tenue: rgba(205, 222, 255, .62);
    --da-cian: #4de2ff;
    --da-violeta: #8a7dff;
    --da-magenta: #ff5bd8;
    --da-vidrio: rgba(14, 24, 52, .55);
    --da-borde: rgba(140, 180, 255, .18);
    --da-mono: "DM Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    --da-titulo: "Space Grotesk", Montserrat, -apple-system, "Segoe UI", sans-serif;
    --da-texto: Montserrat, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* Mientras carga el asistente no se ve el sitio convencional (evita el parpadeo) */
html.da-cargando body { background: var(--da-fondo); }
html.da-cargando body > *:not(.da) { opacity: 0; }
html.da-on, html.da-on body { overflow: hidden; }

.da {
    position: fixed;
    inset: 0;
    z-index: 10000;
    overflow: hidden;
    background:
        radial-gradient(1200px 800px at 50% 38%, rgba(30, 60, 140, .45), transparent 60%),
        radial-gradient(900px 600px at 85% 90%, rgba(138, 125, 255, .14), transparent 60%),
        radial-gradient(700px 500px at 10% 85%, rgba(77, 226, 255, .08), transparent 60%),
        var(--da-fondo);
    color: var(--da-tinta);
    font-family: var(--da-texto);
    opacity: 0;
    transition: opacity .6s ease;
}
.da.visible { opacity: 1; }
.da[hidden] { display: none; }

.da-lienzo { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Retícula sutil y viñeta */
.da::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(120, 160, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 160, 255, .045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 50% 45%, #000 20%, transparent 75%);
}
.da::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, .55));
}

/* Barra superior */
.da-barra {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 14px clamp(14px, 3vw, 32px);
}
.da-marca { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.da-marca-orbe {
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fff, var(--da-cian) 30%, var(--da-violeta) 70%, transparent 72%);
    box-shadow: 0 0 18px rgba(77, 226, 255, .6);
    animation: da-latido 3.2s ease-in-out infinite;
}
/* Logo del laboratorio como ícono del asistente: el anillo de dígitos gira, el cerebro queda fijo */
.da-logo {
    position: relative;
    display: inline-block;
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(77, 226, 255, .5);
    animation: da-brillo 3.2s ease-in-out infinite;
}
.da-logo i { position: absolute; inset: 0; border-radius: 50%; background: url(../assets/img/licdia-logo-circulo.webp) center / cover no-repeat; }
.da-logo-anillo {
    -webkit-mask-image: radial-gradient(circle closest-side, transparent 0 78%, #000 80%);
    mask-image: radial-gradient(circle closest-side, transparent 0 78%, #000 80%);
    animation: da-rotar 22s linear infinite;
}
.da-logo-centro {
    -webkit-mask-image: radial-gradient(circle closest-side, #000 0 79%, transparent 80%);
    mask-image: radial-gradient(circle closest-side, #000 0 79%, transparent 80%);
}
@keyframes da-rotar { to { transform: rotate(360deg); } }
@keyframes da-brillo { 0%, 100% { box-shadow: 0 0 12px rgba(77, 226, 255, .45); } 50% { box-shadow: 0 0 24px rgba(138, 125, 255, .75), 0 0 6px rgba(77, 226, 255, .8); } }
.da-marca-txt { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.da-marca-txt strong { font-family: var(--da-titulo); font-weight: 500; font-size: .95rem; letter-spacing: .01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.da-marca-txt span { margin-top: .28rem; font-family: var(--da-mono); font-size: .68rem; color: var(--da-tenue); letter-spacing: .08em; text-transform: uppercase; }
/* el logo y "LICDIA" llevan al sitio del laboratorio */
a.da-logo { transition: transform .2s ease; }
a.da-logo:hover { transform: scale(1.08); }
a.da-logo:focus-visible, a.da-marca-labo:focus-visible { outline: 2px solid var(--da-cian); outline-offset: 3px; }
a.da-marca-labo, a.da-marca-labo:visited { color: inherit !important; text-decoration: none !important; border-bottom: 1px dotted rgba(255, 255, 255, .25); }
a.da-marca-labo:hover { color: var(--da-cian) !important; border-bottom-color: currentColor; }
.da-acciones { display: flex; align-items: center; gap: .6rem; flex: none; }

.da-selector {
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--da-borde);
    border-radius: 999px;
    background: rgba(10, 18, 40, .6);
    backdrop-filter: blur(10px);
}
.da-selector button {
    border: 0;
    border-radius: 999px;
    padding: .38rem .85rem;
    background: transparent;
    color: var(--da-tenue);
    font: 500 .78rem var(--da-texto);
    cursor: pointer;
    transition: background .25s, color .25s;
}
.da-selector button[aria-pressed="true"] {
    background: linear-gradient(135deg, rgba(77, 226, 255, .25), rgba(138, 125, 255, .3));
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(160, 200, 255, .3);
}
.da-boton-dentro {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    border: 1px solid var(--da-borde);
    border-radius: 999px;
    padding: .42rem .85rem;
    background: rgba(10, 18, 40, .6);
    color: var(--da-tinta);
    font: 500 .78rem var(--da-texto);
    cursor: pointer;
    backdrop-filter: blur(10px);
}
.da-boton-dentro[aria-pressed="true"] { border-color: rgba(77, 226, 255, .6); box-shadow: 0 0 16px rgba(77, 226, 255, .25); }
.da-boton-dentro .da-ojo { width: 8px; height: 8px; border-radius: 50%; background: var(--da-cian); box-shadow: 0 0 8px var(--da-cian); }

/* Saludo inicial */
/* El saludo va en la misma columna que la entrada, justo arriba: nunca se pisan. La escena se ubica en el espacio
   libre de arriba (js: ubicarEscena). */
.da-saludo {
    margin-bottom: .5rem;
    text-align: center;
    pointer-events: none;
}
.da.charlando .da-saludo { display: none; }
.da-saludo h1 {
    margin: 0 0 .6rem;
    font-family: var(--da-titulo);
    font-size: clamp(1.6rem, 3.4vw, 2.6rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -.01em;
    background: linear-gradient(90deg, #fff, #cfe6ff 40%, var(--da-cian) 75%, var(--da-violeta));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    min-height: 1.2em;
}
.da-saludo p { margin: 0 auto; max-width: 600px; color: var(--da-tenue); font-size: clamp(.88rem, 1.4vw, 1rem); line-height: 1.6; min-height: 3.2em; }
.da-cursor { display: inline-block; width: .55em; height: 1em; margin-left: 2px; vertical-align: -.12em; background: var(--da-cian); box-shadow: 0 0 10px var(--da-cian); animation: da-parpadeo 1s steps(1) infinite; }

/* Columna de la conversación */
.da-charla {
    position: absolute;
    z-index: 2;
    left: 50%;
    bottom: 22px;
    width: min(720px, calc(100vw - 28px));
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: .8rem;
    transition: left .8s cubic-bezier(.2, .8, .2, 1), width .8s cubic-bezier(.2, .8, .2, 1), top .8s, transform .8s;
}
.da-mensajes {
    display: none;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    padding: 1.2rem .4rem .4rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(140, 180, 255, .3) transparent;
    mask-image: linear-gradient(to bottom, transparent, #000 40px);
}
.da.charlando .da-mensajes { display: flex; }
@media (min-width: 992px) {
    .da.charlando .da-charla { left: auto; right: clamp(16px, 4vw, 56px); top: 84px; bottom: 22px; width: min(600px, 44vw); transform: none; }
    .da.charlando .da-mensajes { flex: 1; }
}
@media (max-width: 991.98px) {
    .da.charlando .da-charla { top: 38vh; }
    .da.charlando .da-mensajes { flex: 1; }
}
/* Antes de la primera pregunta la columna es más ancha para que el saludo respire; la entrada sigue en 720 px */
.da:not(.charlando) .da-charla { width: min(980px, calc(100vw - 28px)); }
.da:not(.charlando) .da-entrada,
.da:not(.charlando) .da-sugerencias,
.da:not(.charlando) .da-aviso { width: 100%; max-width: 720px; align-self: center; }

.da-msj { max-width: 100%; animation: da-entrar .5s ease both; }
.da-msj-usuario {
    align-self: flex-end;
    max-width: 85%;
    padding: .65rem 1rem;
    border: 1px solid rgba(138, 125, 255, .35);
    border-radius: 18px 18px 4px 18px;
    background: linear-gradient(135deg, rgba(138, 125, 255, .22), rgba(77, 226, 255, .12));
    font-size: .95rem;
    line-height: 1.5;
}
.da-msj-asistente {
    position: relative;
    padding: 1rem 1.1rem 1rem 1.1rem;
    border: 1px solid var(--da-borde);
    border-radius: 4px 18px 18px 18px;
    background: var(--da-vidrio);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    font-size: .95rem;
    line-height: 1.65;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.da-msj-asistente::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(77, 226, 255, .55), transparent 40%, transparent 60%, rgba(138, 125, 255, .5));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.da-msj-asistente p { margin: 0 0 .6rem; }
.da-msj-asistente p:last-child { margin-bottom: 0; }
.da-msj-asistente ul, .da-msj-asistente ol { margin: 0 0 .6rem; padding-left: 1.2rem; }
.da-msj-asistente strong { color: #fff; font-weight: 700; }
.da-estado { display: flex; align-items: center; gap: .55rem; font-family: var(--da-mono); font-size: .74rem; color: var(--da-cian); letter-spacing: .04em; }
.da-estado i { width: 7px; height: 7px; border-radius: 50%; background: var(--da-cian); box-shadow: 0 0 10px var(--da-cian); animation: da-latido 1s ease-in-out infinite; }
.da-cita {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35em;
    height: 1.35em;
    margin: 0 .1em;
    padding: 0 .3em;
    border-radius: 6px;
    background: rgba(77, 226, 255, .16);
    color: var(--da-cian);
    font: 600 .7rem var(--da-mono);
    vertical-align: .15em;
    text-decoration: none;
    cursor: pointer;
}
.da-cita:hover { background: rgba(77, 226, 255, .35); color: #fff; }
.da-fuentes { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .8rem; padding-top: .7rem; border-top: 1px dashed rgba(140, 180, 255, .2); }
.da-fuente {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    max-width: 100%;
    padding: .28rem .6rem;
    border: 1px solid var(--da-borde);
    border-radius: 999px;
    background: rgba(255, 255, 255, .04);
    color: var(--da-tinta);
    font-size: .74rem;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: border-color .2s, background .2s;
}
.da-fuente b { font: 600 .66rem var(--da-mono); color: var(--da-cian); }
.da-fuente:hover { border-color: rgba(77, 226, 255, .6); background: rgba(77, 226, 255, .1); color: #fff; }
/* Debajo de la respuesta: opinión, copiar, WhatsApp, accesos y repreguntas */
.da-pie { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin-top: .65rem; }
.da-pie button, .da-pie a {
    border: 1px solid transparent;
    border-radius: 999px;
    padding: .22rem .6rem;
    background: transparent;
    color: var(--da-tenue);
    font: 400 .74rem var(--da-texto);
    text-decoration: none;
    cursor: pointer;
    transition: border-color .2s, background .2s, color .2s;
}
.da-pie button:hover, .da-pie a:hover { border-color: var(--da-borde); background: rgba(255, 255, 255, .05); color: var(--da-tinta); }
.da-pie .da-voto { padding: .22rem .45rem; filter: grayscale(1); opacity: .75; }
.da-pie .da-voto[aria-pressed="true"] { filter: none; opacity: 1; border-color: rgba(77, 226, 255, .5); background: rgba(77, 226, 255, .12); }
.da-pie-sep { width: 1px; height: 1rem; margin: 0 .2rem; background: var(--da-borde); }
.da-pie .da-pie-wa { color: #7ef0b4; }
.da-comentario { display: flex; gap: .4rem; margin-top: .45rem; font-size: .76rem; color: var(--da-tenue); }
.da-comentario input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--da-borde);
    border-radius: 999px;
    padding: .3rem .75rem;
    background: rgba(255, 255, 255, .04);
    color: var(--da-tinta);
    font: 400 .76rem var(--da-texto);
}
.da-comentario button { border: 1px solid rgba(77, 226, 255, .45); border-radius: 999px; padding: .3rem .8rem; background: transparent; color: var(--da-cian); font-size: .76rem; cursor: pointer; }
.da-accesos { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .7rem; }
.da-accesos a {
    padding: .4rem .85rem;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(77, 226, 255, .16), rgba(138, 125, 255, .16));
    border: 1px solid rgba(77, 226, 255, .35);
    color: var(--da-tinta);
    font: 500 .8rem var(--da-texto);
    text-decoration: none;
    transition: border-color .2s, background .2s;
}
.da-accesos a:hover { border-color: rgba(77, 226, 255, .7); background: linear-gradient(135deg, rgba(77, 226, 255, .28), rgba(138, 125, 255, .28)); }
.da-repreguntas { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.da-repreguntas button {
    border: 1px dashed rgba(140, 180, 255, .35);
    border-radius: 999px;
    padding: .3rem .75rem;
    background: transparent;
    color: var(--da-tinta);
    font: 400 .76rem var(--da-texto);
    cursor: pointer;
    transition: border-color .2s, background .2s;
}
.da-repreguntas button:hover { border-style: solid; border-color: rgba(77, 226, 255, .6); background: rgba(77, 226, 255, .1); }
.da-error { color: #ffb4c8; }
.da-cuerpo a:not(.da-cita), .da-error a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.da-error button { margin-top: .5rem; border: 1px solid rgba(255, 180, 200, .4); border-radius: 999px; background: transparent; color: #ffd6e2; padding: .3rem .8rem; font-size: .8rem; cursor: pointer; }

/* Entrada */
.da-entrada {
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: .5rem;
    padding: .55rem .55rem .55rem 1.1rem;
    border-radius: 22px;
    background: rgba(8, 14, 34, .78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}
.da-entrada::before {
    content: "";
    position: absolute;
    inset: -1.5px;
    z-index: -1;
    border-radius: 23px;
    background: conic-gradient(from var(--da-giro, 0deg), var(--da-cian), var(--da-violeta), var(--da-magenta), var(--da-cian));
    opacity: .75;
    filter: blur(.5px);
    animation: da-girar 6s linear infinite;
}
.da-entrada::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: 22px;
    background: rgba(6, 11, 28, .96);
}
.da-entrada textarea {
    flex: 1;
    min-height: 26px;
    max-height: 140px;
    padding: .45rem 0;
    border: 0;
    outline: 0;
    resize: none;
    background: transparent;
    color: #fff;
    font: 400 1rem/1.5 var(--da-texto);
    overflow-y: hidden;        /* la barra aparece solo si el texto supera el alto máximo (js) */
    scrollbar-width: thin;
}
.da-entrada textarea::placeholder { color: rgba(205, 222, 255, .45); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.da-enviar {
    flex: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--da-cian), var(--da-violeta));
    color: #04101f;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 0 22px rgba(77, 226, 255, .45);
    transition: transform .2s, opacity .2s;
}
.da-enviar:hover { transform: scale(1.06); }
.da-enviar:disabled { opacity: .4; cursor: default; transform: none; }

.da-sugerencias { display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; }
.da.charlando .da-sugerencias { display: none; }
.da-sugerencias button {
    border: 1px solid var(--da-borde);
    border-radius: 999px;
    padding: .38rem .8rem;
    background: rgba(10, 18, 40, .55);
    color: var(--da-tinta);
    font: 400 .8rem var(--da-texto);
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: border-color .2s, background .2s, transform .2s;
}
.da-sugerencias button:hover { border-color: rgba(77, 226, 255, .6); background: rgba(77, 226, 255, .1); transform: translateY(-2px); }
.da-aviso { margin: 0; text-align: center; color: rgba(205, 222, 255, .42); font-size: .68rem; line-height: 1.5; }

/* Con el panel "por dentro" abierto antes de la primera pregunta, saludo y entrada se centran en el espacio libre */
@media (min-width: 992px) {
    .da.con-dentro:not(.charlando) .da-charla { left: calc(50% + 210px); width: min(760px, calc(100vw - 480px)); }
}

/* Panel "por dentro" */
.da-dentro {
    position: absolute;
    z-index: 4;
    top: 74px;
    left: clamp(12px, 2vw, 28px);
    bottom: 22px;
    width: min(380px, calc(100vw - 24px));
    overflow-y: auto;
    padding: 1.1rem 1.1rem 1.3rem;
    border: 1px solid var(--da-borde);
    border-radius: 18px;
    background: rgba(5, 10, 26, .82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    font-family: var(--da-mono);
    font-size: .72rem;
    color: var(--da-tenue);
    transform: translateX(calc(-100% - 40px));
    transition: transform .55s cubic-bezier(.2, .8, .2, 1);
    scrollbar-width: thin;
}
.da-dentro.abierto { transform: none; }
.da-dentro h2 { margin: 0 0 .2rem; font: 500 .95rem var(--da-titulo); color: #fff; letter-spacing: .02em; }
.da-dentro > p { margin: 0 0 1rem; line-height: 1.55; font-family: var(--da-texto); font-size: .76rem; }
.da-paso { position: relative; margin: 0 0 1rem; padding: 0 0 0 1.4rem; }
.da-paso::before { content: attr(data-n); position: absolute; left: 0; top: 0; color: var(--da-cian); font-weight: 600; }
.da-paso::after { content: ""; position: absolute; left: .32rem; top: 1.3rem; bottom: -.8rem; width: 1px; background: linear-gradient(var(--da-borde), transparent); }
.da-paso:last-child::after { display: none; }
.da-paso h3 { margin: 0 0 .35rem; font: 600 .74rem var(--da-mono); color: #fff; text-transform: uppercase; letter-spacing: .08em; }
.da-paso .da-dato { color: var(--da-cian); }
.da-paso.activo h3 { color: var(--da-cian); text-shadow: 0 0 10px rgba(77, 226, 255, .6); }
.da-vector { display: grid; grid-template-columns: repeat(16, 1fr); gap: 2px; margin: .45rem 0 .3rem; }
.da-vector span { aspect-ratio: 1; border-radius: 2px; background: rgba(140, 180, 255, .08); transition: background .3s; }
.da-vector-num { word-break: break-all; line-height: 1.5; color: rgba(205, 222, 255, .5); max-height: 4.6em; overflow: hidden; }
.da-tabla { width: 100%; border-collapse: collapse; margin-top: .3rem; }
.da-tabla td { padding: .22rem .2rem; border-bottom: 1px solid rgba(140, 180, 255, .08); vertical-align: middle; }
.da-tabla td:first-child { color: var(--da-cian); white-space: nowrap; }
.da-tabla td:nth-child(2) { color: var(--da-tinta); font-family: var(--da-texto); font-size: .72rem; }
.da-barra-sim { position: relative; width: 58px; height: 6px; border-radius: 3px; background: rgba(140, 180, 255, .1); overflow: hidden; }
.da-barra-sim i { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--da-cian), var(--da-violeta)); }
.da-leyenda { display: flex; flex-wrap: wrap; gap: .3rem .8rem; margin-top: .4rem; }
.da-leyenda span { display: inline-flex; align-items: center; gap: .35rem; }
.da-leyenda i { width: 8px; height: 8px; border-radius: 50%; }

/* Barras de scroll finas y translúcidas en el panel, la conversación y la entrada (las nativas desentonan) */
.da-dentro, .da-mensajes, .da-entrada textarea {
    scrollbar-width: thin;
    scrollbar-color: rgba(140, 180, 255, .28) transparent;
}
.da-dentro::-webkit-scrollbar, .da-mensajes::-webkit-scrollbar, .da-entrada textarea::-webkit-scrollbar { width: 6px; }
.da-dentro::-webkit-scrollbar-track, .da-mensajes::-webkit-scrollbar-track, .da-entrada textarea::-webkit-scrollbar-track { background: transparent; }
.da-dentro::-webkit-scrollbar-thumb, .da-mensajes::-webkit-scrollbar-thumb, .da-entrada textarea::-webkit-scrollbar-thumb {
    border-radius: 3px;
    background: rgba(140, 180, 255, .28);
}
.da-dentro::-webkit-scrollbar-thumb:hover, .da-mensajes::-webkit-scrollbar-thumb:hover { background: rgba(77, 226, 255, .55); }

/* Botón flotante para volver al asistente desde el sitio convencional */
.da-volver {
    position: fixed;
    z-index: 9999;
    right: 22px;
    bottom: 96px;
    display: none;
    align-items: center;
    gap: .55rem;
    padding: .55rem 1rem .55rem .6rem;
    border: 1px solid rgba(77, 226, 255, .45);
    border-radius: 999px;
    background: rgba(4, 10, 28, .92);
    color: #fff;
    font: 500 .82rem Montserrat, sans-serif;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .35), 0 0 22px rgba(77, 226, 255, .25);
    cursor: pointer;
}
.da-volver.visible { display: inline-flex; }
.da-volver .da-logo { width: 28px; height: 28px; }

/* Resaltado de la sección a la que lleva una cita */
.da-resaltada { animation: da-resaltar 2.4s ease; }

@keyframes da-latido { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.12); opacity: .8; } }
@keyframes da-parpadeo { 50% { opacity: 0; } }
@keyframes da-entrar { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes da-girar { to { --da-giro: 360deg; } }
@keyframes da-resaltar { 0%, 60% { box-shadow: 0 0 0 4px rgba(77, 226, 255, .7), 0 0 40px rgba(77, 226, 255, .4); } 100% { box-shadow: none; } }
@property --da-giro { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

@media (max-width: 600px) {
    .da-sugerencias button:nth-child(n+4) { display: none; }
    .da-marca-txt span { display: none; }
    .da-marca-txt strong { font-size: .82rem; }
    .da-selector button { padding: .34rem .6rem; font-size: .72rem; }
    .da-boton-dentro { padding: .38rem .6rem; }
    .da-boton-dentro .da-dentro-txt { display: none; }
    .da-barra { flex-wrap: wrap; }
}

/* Celular apaisado y pantallas bajas: menos texto en el inicio para que nada se pise */
@media (max-height: 520px) and (max-width: 991.98px) {
    .da-saludo h1 { font-size: 1.35rem; margin-bottom: 0; }
    .da-saludo p, .da-aviso { display: none; }
    .da-sugerencias button:nth-child(n+4) { display: none; }
    .da.charlando .da-charla { top: 42vh; }
}

@media (prefers-reduced-motion: reduce) {
    .da, .da-charla, .da-dentro, .da-msj { transition: none; animation: none; }
    .da-entrada::before, .da-marca-orbe, .da-cursor, .da-estado i, .da-logo, .da-logo-anillo { animation: none; }
}