/* ==========================================================
   AULA — Escuela Bíblica de la Qehila (zona de miembros)
   Paleta del tema: marrón cálido + azul noche + oro.
   ========================================================== */
.aula, .aula-pendiente, .aula-player, .aula-lector, .aula-modal, .aula-toast {
    --aula-brown-900: #1b1006;
    --aula-brown-800: #241708;
    --aula-brown-700: #2a1810;
    --aula-brown-600: #3a2818;
    --aula-navy:      var(--color-accent-dark, #1a2a3a);
    --aula-navy-2:    #2d4a6a;
    --aula-gold:      var(--color-gold, #c5a059);
    --aula-gold-2:    var(--color-gold-light, #e8c97a);
    --aula-ivory:     #fbf6ea;
    --aula-grad:      linear-gradient(115deg, #2a1810 0%, #3a2818 35%, var(--color-accent-dark) 75%, #2d4a6a 100%);
    --aula-ease:      cubic-bezier(.22,.8,.26,1);
}

html.aula-lock, html.aula-lock body { overflow: hidden; }

/* ---------- Cabecera ---------- */
.aula-hero {
    position: relative;
    overflow: hidden;
    background: var(--aula-grad);
    border-radius: var(--radius-card);
    padding: 26px 28px 22px;
    color: #fff;
    margin-bottom: 18px;
    box-shadow: 0 18px 50px -24px rgba(26,16,6,.75);
}
.aula-hero::before {
    content: '';
    position: absolute;
    inset: -40% -10% auto auto;
    width: 340px; height: 340px;
    background: radial-gradient(circle, rgba(232,201,122,.22), transparent 62%);
    pointer-events: none;
}
.aula-hero::after {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 18px 18px;
    mask-image: linear-gradient(90deg, transparent 30%, #000);
    -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000);
    pointer-events: none;
}
.aula-hero-top { position: relative; z-index: 1; display: flex; align-items: center; gap: 14px; }
.aula-avatar {
    width: 50px; height: 50px; flex-shrink: 0;
    border-radius: 50%;
    display: grid; place-items: center;
    font: 700 21px/1 var(--font-serif);
    color: var(--aula-brown-800);
    background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold));
    box-shadow: 0 0 0 3px rgba(232,201,122,.25), 0 6px 18px rgba(0,0,0,.3);
}
.aula-hero-text { min-width: 0; }
.aula-eyebrow {
    display: block;
    font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
    color: var(--aula-gold-2);
    margin-bottom: 3px;
}
.aula-hero-text h2 {
    font: 700 24px/1.15 var(--font-serif);
    color: #fff; margin: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.aula-salir {
    margin-left: auto; flex-shrink: 0;
    padding: 8px 15px; border-radius: 100px;
    font-size: 13px; font-weight: 600;
    color: rgba(255,255,255,.75) !important;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    transition: background .2s, color .2s;
}
.aula-salir:hover { background: rgba(255,255,255,.16); color: #fff !important; }

.aula-stats {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
    margin-top: 22px;
}
.aula-stat {
    position: relative;
    display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end;
    gap: 2px;
    min-height: 92px;
    padding: 14px 14px 12px;
    border-radius: 18px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.09);
    backdrop-filter: blur(6px);
}
.aula-stat-ico { position: absolute; top: 12px; right: 12px; font-size: 17px; opacity: .9; }
.aula-stat strong {
    font: 700 28px/1 var(--font-system);
    letter-spacing: -.5px;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.aula-stat strong.is-bump { animation: aulaBump .55s var(--aula-ease); }
.aula-stat > span:last-child { font-size: 11.5px; color: rgba(255,255,255,.62); line-height: 1.25; }
.aula-stat-ring { align-items: center; justify-content: center; text-align: center; }
.aula-stat-ring .aula-ring { margin-bottom: 2px; }
.aula-stat-ring .aula-ring-num {
    position: absolute; top: 14px; left: 0; right: 0;
    height: 58px; display: grid; place-items: center;
    font-size: 14px !important; letter-spacing: 0 !important;
}
@keyframes aulaBump { 0% { transform: scale(1); } 40% { transform: scale(1.28); color: var(--aula-gold-2); } 100% { transform: scale(1); } }

/* Anillo de progreso */
.aula-ring { transform: rotate(-90deg); display: block; }
.aula-ring circle { fill: none; }
.aula-ring-bg { stroke: rgba(255,255,255,.12); }
.aula-ring-fg { stroke: var(--aula-gold); stroke-linecap: round; transition: stroke-dashoffset .9s var(--aula-ease); }

/* Barra de progreso fina */
.aula-bar {
    display: block; height: 6px; border-radius: 100px;
    background: rgba(26,42,58,.08);
    overflow: hidden;
}
.aula-bar > span {
    display: block; height: 100%; border-radius: inherit;
    background: linear-gradient(90deg, var(--aula-gold), var(--aula-gold-2));
    transition: width .8s var(--aula-ease);
    min-width: 0;
}

/* ---------- Continuar ---------- */
.aula-continuar {
    width: 100%;
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px;
    margin-bottom: 22px;
    background: var(--color-surface);
    border: 1px solid rgba(197,160,89,.35);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    cursor: pointer; text-align: left;
    font-family: var(--font-system);
    transition: transform .25s var(--aula-ease), box-shadow .25s;
}
.aula-continuar:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.aula-continuar-ico {
    width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--aula-grad); color: var(--aula-gold-2); font-size: 14px;
    padding-left: 3px;
}
.aula-continuar-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.aula-continuar-txt small { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--aula-gold); }
.aula-continuar-txt strong { font-size: 15px; color: var(--color-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aula-continuar-txt .aula-bar { margin-top: 4px; height: 5px; }
.aula-continuar-pct { font-weight: 700; font-size: 15px; color: var(--aula-navy); font-variant-numeric: tabular-nums; }

/* ---------- Etiquetas de bloque ---------- */
.aula-label {
    display: flex; align-items: center; gap: 10px;
    font-size: 12px; font-weight: 700; letter-spacing: 1.1px; text-transform: uppercase;
    color: var(--color-secondary);
    margin: 4px 2px 12px;
}
.aula-label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(197,160,89,.4), transparent); }

/* ---------- Vistas ---------- */
.aula-vista[hidden] { display: none !important; }
.aula-vista.is-active { animation: aulaFade .4s var(--aula-ease) both; }
@keyframes aulaFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Secciones (portada) ---------- */
.aula-secciones {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(205px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}
.aula-seccion {
    position: relative;
    display: flex; flex-direction: column; align-items: flex-start;
    gap: 6px;
    padding: 18px 18px 16px;
    min-height: 178px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 22px;
    box-shadow: var(--shadow-card);
    text-align: left; cursor: pointer;
    font-family: var(--font-system);
    overflow: hidden;
    transition: transform .3s var(--aula-ease), box-shadow .3s, border-color .3s;
}
.aula-seccion::before {
    content: '';
    position: absolute; right: -50px; top: -50px;
    width: 130px; height: 130px; border-radius: 50%;
    background: radial-gradient(circle, rgba(197,160,89,.14), transparent 70%);
    transition: transform .5s var(--aula-ease);
}
.aula-seccion:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(197,160,89,.35); }
.aula-seccion:hover::before { transform: scale(1.5); }
.aula-seccion:hover .aula-seccion-ico { transform: rotate(-6deg) scale(1.06); }
.aula-seccion:focus-visible { outline: 3px solid rgba(197,160,89,.5); outline-offset: 2px; }

.aula-seccion-ico {
    width: 46px; height: 46px; flex-shrink: 0;
    display: grid; place-items: center;
    font-size: 22px;
    border-radius: 14px;
    background: var(--aula-grad);
    box-shadow: inset 0 0 0 1px rgba(232,201,122,.25), 0 8px 18px -8px rgba(36,23,8,.7);
    margin-bottom: 6px;
    transition: transform .35s var(--aula-ease);
}
.aula-seccion-nombre { font: 700 16.5px/1.2 var(--font-serif); color: var(--aula-navy); }
.aula-seccion-desc { font-size: 12.5px; line-height: 1.4; color: var(--color-secondary); }
.aula-seccion-pie {
    margin-top: auto; padding-top: 8px; width: 100%;
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: 12px;
}
.aula-seccion-n { color: var(--color-secondary); font-weight: 600; }
.aula-seccion-pct { color: var(--aula-gold); font-weight: 700; font-variant-numeric: tabular-nums; }
.aula-seccion .aula-bar { width: 100%; height: 5px; margin-top: 6px; }
.aula-seccion.is-vacia { background: linear-gradient(180deg, var(--color-surface), #faf8f3); }
.aula-seccion.is-vacia .aula-seccion-ico { filter: saturate(.6); opacity: .8; }
.aula-seccion.is-vacia .aula-seccion-n { color: var(--aula-gold); }
.aula-seccion.is-vacia .aula-bar { opacity: .4; }

/* ---------- Comunidad ---------- */
.aula-comunidad { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.aula-com {
    position: relative;
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px;
    border-radius: 20px;
    background: var(--color-surface);
    border: 1px dashed rgba(197,160,89,.45);
    min-height: 84px;
}
.aula-com-ico {
    width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%;
    display: grid; place-items: center; font-size: 20px;
    background: rgba(197,160,89,.12);
}
.aula-com strong { display: block; font-size: 14.5px; color: var(--aula-navy); }
.aula-com div span { display: block; font-size: 12.5px; color: var(--color-secondary); line-height: 1.35; }
.aula-pronto {
    position: absolute; top: 12px; right: 12px;
    font-style: normal; font-size: 10px; font-weight: 800; letter-spacing: .6px; text-transform: uppercase;
    color: var(--aula-brown-800);
    background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold));
    padding: 3px 9px; border-radius: 100px;
}

/* ---------- Vista de sección ---------- */
.aula-volver {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px 8px 12px;
    margin-bottom: 16px;
    border: none; border-radius: 100px;
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
    color: var(--aula-navy);
    font: 600 13px var(--font-system);
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
}
.aula-volver:hover { transform: translateX(-3px); box-shadow: var(--shadow-hover); }
.aula-sec-head {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 20px;
}
.aula-sec-head .aula-seccion-ico { width: 58px; height: 58px; font-size: 28px; border-radius: 18px; margin: 0; }
.aula-sec-head h3 { font: 700 26px/1.1 var(--font-serif); color: var(--aula-navy); margin: 0 0 4px; }
.aula-sec-head p { margin: 0; color: var(--color-secondary); font-size: 14px; }

.aula-vacio {
    text-align: center;
    padding: 46px 24px;
    border-radius: 22px;
    background: var(--color-surface);
    border: 1px dashed rgba(197,160,89,.45);
    color: var(--color-secondary);
}
.aula-vacio span { font-size: 44px; display: block; margin-bottom: 10px; }
.aula-vacio p { max-width: 360px; margin: 0 auto; font-size: 14px; }

.aula-recursos { display: grid; gap: 16px; }

.aula-recurso {
    display: flex;
    background: var(--color-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow .3s, transform .3s var(--aula-ease);
}
.aula-recurso:hover { box-shadow: var(--shadow-hover); }
.aula-recurso.is-pop { animation: aulaPop .6s var(--aula-ease); }
@keyframes aulaPop { 40% { transform: scale(1.015); } }
.aula-recurso-body {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
    padding: 20px 22px;
}
.aula-recurso h4 { font: 700 18px/1.25 var(--font-serif); color: var(--aula-navy); margin: 0; }
.aula-recurso p { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--color-secondary); }

.aula-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.aula-chip {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 700; letter-spacing: .3px;
    padding: 4px 10px; border-radius: 100px;
    background: rgba(26,42,58,.07); color: var(--aula-navy);
}
.aula-chip--gold { background: rgba(197,160,89,.16); color: #8a6a2c; }
.aula-chip--soft { background: var(--color-bg); color: var(--color-secondary); font-weight: 600; }

.aula-recurso-prog { width: 100%; display: flex; align-items: center; gap: 12px; margin-top: 2px; }
.aula-recurso-prog .aula-bar { flex: 1; }
.aula-recurso-prog small { font-size: 12px; color: var(--color-secondary); white-space: nowrap; font-variant-numeric: tabular-nums; }

.aula-btn {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 4px;
    padding: 11px 20px;
    border: none; border-radius: 100px;
    background: var(--aula-grad);
    color: #fff;
    font: 600 14px var(--font-system);
    cursor: pointer;
    box-shadow: 0 8px 20px -10px rgba(26,16,6,.8);
    transition: transform .2s var(--aula-ease), box-shadow .2s;
}
.aula-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px -10px rgba(26,16,6,.85); }
.aula-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.aula-btn--ghost { background: var(--color-bg); color: var(--aula-navy); box-shadow: none; }
.aula-btn--ghost:hover { background: #ecebe6; box-shadow: none; }

/* Visual del mazo (pila de tarjetas) */
.aula-mazo-visual {
    position: relative;
    width: 190px; flex-shrink: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(232,201,122,.25), transparent 55%),
        var(--aula-grad);
    display: grid; place-items: center;
    perspective: 600px;
}
.aula-mazo-c {
    position: absolute;
    width: 104px; height: 136px;
    border-radius: 14px;
    background: var(--aula-ivory);
    box-shadow: 0 10px 24px -8px rgba(0,0,0,.55);
    transition: transform .5s var(--aula-ease);
}
.aula-mazo-c3 { transform: rotate(-12deg) translate(-14px, 6px); opacity: .55; }
.aula-mazo-c2 { transform: rotate(-5deg) translate(-6px, 2px); opacity: .8; }
.aula-mazo-c1 {
    transform: rotate(4deg);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
    background: linear-gradient(160deg, #fffdf6, #f3e8cf);
    border: 1px solid rgba(197,160,89,.55);
}
.aula-mazo-c1::before {
    content: ''; position: absolute; inset: 7px; border-radius: 9px;
    border: 1px solid rgba(197,160,89,.4);
}
.aula-mazo-c1 em { font: italic 700 40px/1 var(--font-serif); color: var(--aula-gold); }
.aula-mazo-c1 small { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--aula-brown-600); }
.aula-recurso--mazo:hover .aula-mazo-c1 { transform: rotate(9deg) translate(10px, -6px); }
.aula-recurso--mazo:hover .aula-mazo-c2 { transform: rotate(-3deg) translate(-2px, -2px); }
.aula-recurso--mazo:hover .aula-mazo-c3 { transform: rotate(-16deg) translate(-22px, 8px); }

/* Estudio */
.aula-recurso--estudio { flex-direction: column; }
.aula-estudio-media .teaching-media { border-radius: 0; }
.aula-estudio-media img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.aula-estudio-acciones { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 4px; }
.aula-check {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px 9px 10px;
    border-radius: 100px;
    border: 1.5px solid rgba(26,42,58,.15);
    background: transparent;
    color: var(--aula-navy);
    font: 600 13px var(--font-system);
    cursor: pointer;
    transition: all .25s var(--aula-ease);
}
.aula-check-box {
    width: 22px; height: 22px; border-radius: 50%;
    display: grid; place-items: center;
    border: 1.5px solid rgba(26,42,58,.25);
    color: transparent; font-size: 12px; font-weight: 800;
    transition: all .3s var(--aula-ease);
}
.aula-check:hover { border-color: var(--aula-gold); }
.aula-check[aria-pressed="true"] { background: rgba(197,160,89,.12); border-color: var(--aula-gold); color: #7a5c22; }
.aula-check[aria-pressed="true"] .aula-check-box {
    background: var(--aula-gold); border-color: var(--aula-gold); color: #fff;
    animation: aulaBump .5s var(--aula-ease);
}

/* ==========================================================
   REPRODUCTOR DE TARJETAS
   ========================================================== */
.aula-player {
    position: fixed; inset: 0; z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    background:
        radial-gradient(ellipse at 15% 0%, rgba(197,160,89,.20), transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(45,74,106,.55), transparent 55%),
        linear-gradient(160deg, #1b1006 0%, #241708 45%, #142131 100%);
    opacity: 0;
    transition: opacity .3s ease;
    color: #fff;
    font-family: var(--font-system);
}
.aula-player.is-open { opacity: 1; }
.aula-player[hidden] { display: none; }

.aula-pl {
    position: relative;
    width: 100%; max-width: 720px; height: 100%;
    display: flex; flex-direction: column;
    padding: max(18px, env(safe-area-inset-top)) 20px max(18px, env(safe-area-inset-bottom));
    overflow: hidden;
}
.aula-pl-top { display: flex; align-items: center; gap: 12px; }
.aula-pl-titulo { flex: 1; min-width: 0; }
.aula-pl-titulo small { display: block; font-size: 11px; font-weight: 700; letter-spacing: 1.1px; text-transform: uppercase; color: var(--color-gold-light, #e8c97a); }
.aula-pl-titulo strong { display: block; font: 700 18px/1.25 var(--font-serif); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aula-pl-x {
    width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.07);
    color: #fff; font-size: 16px; cursor: pointer;
    transition: background .2s, transform .2s;
}
.aula-pl-x:hover { background: rgba(255,255,255,.16); transform: rotate(90deg); }

/* Intro + fin */
.aula-pl-intro, .aula-pl-fin {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; gap: 18px;
    animation: aulaFade .45s var(--aula-ease) both;
}
.aula-pl-ring { position: relative; width: 150px; height: 150px; }
.aula-pl-ring svg { overflow: visible; }
.aula-pl-ring .aula-ring-bg { stroke: rgba(255,255,255,.1); }
.aula-pl-ring .aula-ring-fg { filter: drop-shadow(0 0 10px rgba(232,201,122,.45)); }
.aula-pl-ring-num {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.aula-pl-ring-num strong { font: 700 36px/1 var(--font-system); letter-spacing: -1px; }
.aula-pl-ring-num span { font-size: 11.5px; color: rgba(255,255,255,.6); margin-top: 4px; max-width: 100px; }
.aula-pl-felicidad { max-width: 340px; color: rgba(255,255,255,.75); font-size: 14.5px; margin: 0; }

.aula-pl-opciones { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 360px; }
.aula-pl-op {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 16px 20px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.06);
    color: #fff; cursor: pointer;
    font-family: var(--font-system);
    transition: transform .2s var(--aula-ease), background .2s, box-shadow .2s;
}
.aula-pl-op strong { font-size: 15px; font-weight: 600; }
.aula-pl-op span { font-size: 12.5px; color: rgba(255,255,255,.6); }
.aula-pl-op:hover { transform: translateY(-2px); background: rgba(255,255,255,.11); }
.aula-pl-op.is-main {
    background: linear-gradient(135deg, var(--color-gold-light, #e8c97a), var(--color-gold, #c5a059));
    border-color: transparent;
    color: #241708;
    box-shadow: 0 14px 30px -12px rgba(197,160,89,.65);
}
.aula-pl-op.is-main span { color: rgba(36,23,8,.65); }
.aula-pl-op:focus-visible, .aula-pl-btn:focus-visible, .aula-pl-x:focus-visible { outline: 3px solid rgba(232,201,122,.6); outline-offset: 3px; }

.aula-pl-ajustes { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px; font-size: 13px; color: rgba(255,255,255,.75); }
.aula-switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; }
.aula-switch input { position: absolute; opacity: 0; pointer-events: none; }
.aula-switch-ui {
    position: relative; width: 38px; height: 22px; border-radius: 100px;
    background: rgba(255,255,255,.18); transition: background .25s;
}
.aula-switch-ui::after {
    content: ''; position: absolute; top: 3px; left: 3px;
    width: 16px; height: 16px; border-radius: 50%; background: #fff;
    transition: transform .25s var(--aula-ease);
}
.aula-switch input:checked + .aula-switch-ui { background: var(--color-gold, #c5a059); }
.aula-switch input:checked + .aula-switch-ui::after { transform: translateX(16px); }
.aula-switch input:focus-visible + .aula-switch-ui { outline: 2px solid rgba(232,201,122,.7); outline-offset: 2px; }
.aula-pl-reset { background: none; border: none; color: rgba(255,255,255,.5); font: 500 12.5px var(--font-system); text-decoration: underline; cursor: pointer; }
.aula-pl-reset[data-confirm] { color: #f1a38f; }
.aula-pl-teclas { font-size: 11.5px; color: rgba(255,255,255,.38); margin: 0; }

/* Estudio */
.aula-pl-estudio { flex: 1; display: flex; flex-direction: column; min-height: 0; padding-top: 16px; }
.aula-pl-prog { height: 4px; border-radius: 100px; background: rgba(255,255,255,.1); overflow: hidden; }
.aula-pl-prog span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--color-gold, #c5a059), var(--color-gold-light, #e8c97a)); transition: width .4s var(--aula-ease); box-shadow: 0 0 12px rgba(232,201,122,.6); }
.aula-pl-contador { margin-top: 8px; font-size: 12px; font-weight: 600; color: rgba(255,255,255,.55); text-align: right; font-variant-numeric: tabular-nums; }

.aula-pl-stage {
    flex: 1; min-height: 0;
    display: flex; align-items: center; justify-content: center;
    padding: 14px 0 18px;
    perspective: 1600px;
}
.aula-fc {
    position: relative;
    width: 100%; max-width: 560px;
    height: min(440px, 100%);
    cursor: pointer;
    touch-action: pan-y;
    user-select: none; -webkit-user-select: none;
    transition: transform .32s var(--aula-ease), opacity .32s;
    outline: none;
}
.aula-fc.is-dragging { transition: none; }
.aula-fc.is-out-l, .aula-fc.is-out-r { opacity: 0; }
.aula-fc.is-enter { animation: aulaFcIn .4s var(--aula-ease) both; }
@keyframes aulaFcIn { from { opacity: 0; transform: translateY(26px) scale(.96); } to { opacity: 1; transform: none; } }
.aula-fc:focus-visible .aula-fc-cara { box-shadow: 0 0 0 3px rgba(232,201,122,.7), 0 30px 60px -20px rgba(0,0,0,.7); }

.aula-fc-inner {
    position: relative; width: 100%; height: 100%;
    transform-style: preserve-3d;
    transition: transform .6s cubic-bezier(.3,1.25,.4,1);
}
.aula-fc.is-flip .aula-fc-inner { transform: rotateY(180deg); }
.aula-fc-cara {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 46px 36px 40px;
    border-radius: 28px;
    backface-visibility: hidden; -webkit-backface-visibility: hidden;
    box-shadow: 0 30px 60px -20px rgba(0,0,0,.7);
    text-align: center;
    overflow: hidden;
}
.aula-fc-front {
    background:
        radial-gradient(circle at 50% -10%, rgba(255,255,255,.9), transparent 60%),
        linear-gradient(165deg, #fffdf7 0%, #f6ecd6 100%);
    color: #2a1810;
}
.aula-fc-front::before, .aula-fc-back::before {
    content: ''; position: absolute; inset: 12px; border-radius: 20px;
    border: 1px solid rgba(197,160,89,.45);
    pointer-events: none;
}
.aula-fc-back {
    transform: rotateY(180deg);
    background:
        radial-gradient(circle at 100% 0%, rgba(232,201,122,.18), transparent 55%),
        linear-gradient(160deg, #1a2a3a 0%, #22384f 55%, #2a1810 130%);
    color: #fff;
}
.aula-fc-back::before { border-color: rgba(232,201,122,.3); }
.aula-fc-tag {
    position: absolute; top: 26px; left: 50%; transform: translateX(-50%);
    font-size: 10.5px; font-weight: 800; letter-spacing: 1.6px; text-transform: uppercase;
    color: var(--color-gold, #c5a059);
}
.aula-fc-back .aula-fc-tag { color: var(--color-gold-light, #e8c97a); }
.aula-fc-texto {
    font: 500 23px/1.42 var(--font-serif);
    white-space: pre-line;
    max-height: 100%; overflow-y: auto;
    overscroll-behavior: contain;
}
.aula-fc-back .aula-fc-texto { font-size: 21px; }
.aula-fc.is-largo .aula-fc-texto { font-size: 18px; }
.aula-fc-pregunta-mini {
    font-size: 12px; line-height: 1.4; color: rgba(255,255,255,.5);
    margin-bottom: 14px; max-width: 420px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.aula-fc-hint {
    position: absolute; bottom: 24px; left: 0; right: 0;
    font-size: 11.5px; color: rgba(42,24,16,.42); letter-spacing: .3px;
}
.aula-fc.is-ya .aula-fc-front::after {
    content: '✓ Dominada'; position: absolute; top: 22px; right: 24px;
    font-size: 10px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase;
    color: #7a5c22; background: rgba(197,160,89,.2); padding: 3px 8px; border-radius: 100px;
}
.aula-fc-sello {
    position: absolute; top: 34px; z-index: 3;
    padding: 6px 14px; border-radius: 10px;
    font-size: 15px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase;
    border: 3px solid; opacity: 0; pointer-events: none;
    transition: opacity .15s;
}
.aula-fc-sello.is-se  { left: 30px;  opacity: 1; color: var(--color-gold-light, #e8c97a); border-color: currentColor; transform: rotate(-12deg); }
.aula-fc-sello.is-se::after  { content: 'La sé'; }
.aula-fc-sello.is-rep { right: 30px; opacity: 1; color: #f1a38f; border-color: currentColor; transform: rotate(12deg); }
.aula-fc-sello.is-rep::after { content: 'Repasar'; }

.aula-pl-acciones { display: grid; grid-template-columns: 1fr; gap: 12px; max-width: 560px; width: 100%; margin: 0 auto; }
.aula-pl-acciones.is-flip { grid-template-columns: 1fr 1fr; }
.aula-pl-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 56px; padding: 0 20px;
    border-radius: 18px;
    font: 700 16px var(--font-system);
    cursor: pointer;
    transition: transform .18s var(--aula-ease), box-shadow .2s, background .2s;
}
.aula-pl-btn span { font-size: 18px; }
.aula-pl-btn:active { transform: scale(.97); }
.aula-pl-btn--ver { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); color: #fff; }
.aula-pl-btn--ver:hover { background: rgba(255,255,255,.16); }
.aula-pl-btn--rep { display: none; background: transparent; border: 1.5px solid rgba(241,163,143,.6); color: #f6c1b3; }
.aula-pl-btn--rep:hover { background: rgba(241,163,143,.1); }
.aula-pl-btn--se { display: none; border: none; color: #241708; background: linear-gradient(135deg, var(--color-gold-light, #e8c97a), var(--color-gold, #c5a059)); box-shadow: 0 14px 28px -12px rgba(197,160,89,.7); }
.aula-pl-btn--se:hover { box-shadow: 0 18px 32px -12px rgba(197,160,89,.85); }
.aula-pl-acciones.is-flip .aula-pl-btn--ver { display: none; }
.aula-pl-acciones.is-flip .aula-pl-btn--rep,
.aula-pl-acciones.is-flip .aula-pl-btn--se { display: inline-flex; animation: aulaFade .3s var(--aula-ease) both; }

/* Fin */
.aula-pl-fin-ico { font-size: 64px; line-height: 1; animation: aulaBounce 1s var(--aula-ease) both; }
@keyframes aulaBounce { 0% { transform: scale(.3) rotate(-20deg); opacity: 0; } 60% { transform: scale(1.15) rotate(6deg); opacity: 1; } 100% { transform: none; } }
.aula-pl-fin h3 { font: 700 30px/1.15 var(--font-serif); margin: 0; color: #fff; }
.aula-pl-fin p { margin: 0; color: rgba(255,255,255,.7); max-width: 360px; }
.aula-pl-res { display: flex; gap: 12px; }
.aula-pl-res > div {
    min-width: 116px; padding: 14px 16px; border-radius: 18px;
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
}
.aula-pl-res strong { display: block; font-size: 30px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.aula-pl-res span { font-size: 12px; color: rgba(255,255,255,.6); }
.aula-pl-res-se strong { color: var(--color-gold-light, #e8c97a); }
.aula-pl-res-rep strong { color: #f6c1b3; }
.aula-pl-fin-bar { width: 100%; max-width: 360px; height: 8px; border-radius: 100px; background: rgba(255,255,255,.1); overflow: hidden; }
.aula-pl-fin-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--color-gold, #c5a059), var(--color-gold-light, #e8c97a)); transition: width 1.2s var(--aula-ease); }

.aula-confeti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.aula-confeti i {
    position: absolute; top: -12px;
    width: 8px; height: 14px; border-radius: 2px;
    animation-name: aulaCae; animation-timing-function: cubic-bezier(.3,.6,.5,1); animation-fill-mode: forwards;
}
@keyframes aulaCae { to { top: 105%; transform: rotate(720deg) translateX(40px); opacity: .2; } }

/* ==========================================================
   LECTOR DE ESTUDIOS
   ========================================================== */
.aula-lector {
    position: fixed; inset: 0; z-index: 10000;
    display: flex; align-items: flex-end; justify-content: center;
    background: rgba(20,12,4,.55);
    backdrop-filter: blur(6px);
    opacity: 0; transition: opacity .25s;
}
.aula-lector[hidden] { display: none; }
.aula-lector.is-open { opacity: 1; }
.aula-lector-box {
    position: relative;
    width: 100%; max-width: 760px; max-height: 92vh;
    overflow-y: auto;
    background: var(--aula-ivory, #fbf6ea);
    border-radius: 28px 28px 0 0;
    padding: 48px clamp(22px, 6vw, 64px) 56px;
    transform: translateY(40px);
    transition: transform .35s cubic-bezier(.22,.8,.26,1);
    box-shadow: 0 -20px 60px rgba(0,0,0,.35);
}
.aula-lector.is-open .aula-lector-box { transform: none; }
.aula-lector-cerrar {
    position: sticky; top: 0; float: right; margin: -28px -20px 0 0;
    width: 40px; height: 40px; border-radius: 50%;
    border: none; background: rgba(26,42,58,.08); color: #1a2a3a; font-size: 15px; cursor: pointer;
}
.aula-lector-titulo { font: 700 28px/1.2 var(--font-serif); color: #1a2a3a; margin: 0 0 22px; }
.aula-lector-texto { font: 400 17px/1.75 var(--font-serif); color: #2a1810; }
.aula-lector-texto p { margin: 0 0 1.1em; }
.aula-lector-texto h2, .aula-lector-texto h3 { font-family: var(--font-serif); color: #1a2a3a; margin: 1.4em 0 .5em; }
.aula-lector-texto blockquote { border-left: 3px solid #c5a059; margin: 1.2em 0; padding: .2em 0 .2em 1em; color: #5a4632; font-style: italic; }
.aula-lector-texto img { max-width: 100%; height: auto; border-radius: 12px; }

/* ==========================================================
   v2 · CABECERA: rol, acciones, semana de lectura
   ========================================================== */
.aula-hero-text h2 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; white-space: normal; }
.aula-rol {
    font: 700 10px/1 var(--font-system); letter-spacing: .8px; text-transform: uppercase;
    color: var(--aula-gold-2); padding: 5px 9px; border-radius: 100px;
    border: 1px solid rgba(232,201,122,.4); background: rgba(232,201,122,.08);
}
.aula-hero-acciones { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.aula-hero-acciones .aula-salir { margin-left: 0; }
.aula-hero-btn {
    position: relative;
    height: 36px; min-width: 36px; padding: 0 12px;
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border-radius: 100px; border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.08); color: #fff;
    font: 600 13px var(--font-system); cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
}
.aula-hero-btn:hover { background: rgba(255,255,255,.16); }
.aula-hero-btn--edit[aria-pressed="true"] { background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold)); color: var(--aula-brown-800); border-color: transparent; }
.aula-badge {
    position: absolute; top: -5px; right: -5px;
    min-width: 18px; height: 18px; padding: 0 5px; border-radius: 100px;
    background: #e0644c; color: #fff; font-size: 10.5px; font-weight: 800;
    display: grid; place-items: center; box-shadow: 0 0 0 2px #2a1810;
}
.aula-stats { grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); }

.aula-semana {
    position: relative; z-index: 1;
    display: flex; align-items: center; gap: 16px;
    margin-top: 12px; padding: 12px 16px;
    border-radius: 18px;
    background: rgba(0,0,0,.18);
    border: 1px solid rgba(255,255,255,.08);
}
.aula-semana-txt { min-width: 0; }
.aula-semana-txt small { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,.55); }
.aula-semana-txt strong { font: 700 16px/1.2 var(--font-serif); color: #fff; white-space: nowrap; }
.aula-semana-txt em { font: 600 12px var(--font-system); font-style: normal; color: var(--aula-gold-2); margin-left: 4px; }
.aula-semana-dias { list-style: none; margin: 0 0 0 auto; padding: 0; display: flex; gap: 6px; }
.aula-semana-dias li { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.aula-semana-punto {
    width: 28px; height: 28px; border-radius: 50%;
    display: grid; place-items: center;
    font-size: 11px; font-weight: 700; color: rgba(255,255,255,.45);
    border: 1.5px solid rgba(255,255,255,.18);
    transition: all .35s var(--aula-ease);
}
.aula-semana-lbl { font-size: 9.5px; font-weight: 700; color: rgba(255,255,255,.4); letter-spacing: .4px; }
.aula-semana-dias li.is-hoy .aula-semana-punto { border-color: var(--aula-gold-2); color: var(--aula-gold-2); box-shadow: 0 0 0 3px rgba(232,201,122,.15); }
.aula-semana-dias li.is-hoy .aula-semana-lbl { color: var(--aula-gold-2); }
.aula-semana-dias li.is-leido .aula-semana-punto {
    background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold));
    border-color: transparent; color: var(--aula-brown-800); font-size: 13px;
    animation: aulaBump .5s var(--aula-ease);
}
.aula-semana-ir {
    flex-shrink: 0; padding: 8px 14px; border-radius: 100px;
    font-size: 12.5px; font-weight: 700;
    color: var(--aula-brown-800) !important;
    background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold));
}

/* ==========================================================
   v2 · MODO EDICIÓN
   ========================================================== */
.aula-solo-edicion, .aula-ed-tools, .aula-ed-aviso { display: none !important; }
.aula.is-editando .aula-solo-edicion { display: flex !important; }
.aula.is-editando .aula-ed-tools { display: flex !important; }
.aula.is-editando .aula-ed-aviso { display: flex !important; }
.aula.is-editando .aula-seccion--nueva.aula-solo-edicion { display: flex !important; }

.aula-ed-aviso {
    align-items: center; gap: 12px;
    padding: 12px 16px; margin-bottom: 18px;
    border-radius: 16px;
    background: repeating-linear-gradient(135deg, rgba(197,160,89,.10) 0 12px, rgba(197,160,89,.04) 12px 24px);
    border: 1px dashed rgba(197,160,89,.6);
    color: #7a5c22; font-size: 13px;
}
.aula-ed-aviso p { margin: 0; }
.aula-ed-tools {
    position: absolute; top: 10px; right: 10px; z-index: 3;
    gap: 4px; padding: 4px;
    background: rgba(255,255,255,.94); backdrop-filter: blur(6px);
    border-radius: 100px; box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.aula-ed-btn {
    width: 32px; height: 32px; border-radius: 50%;
    border: none; background: transparent; cursor: pointer;
    font-size: 14px; color: var(--aula-navy);
    display: grid; place-items: center;
    transition: background .15s, transform .15s;
}
.aula-ed-btn:hover { background: rgba(197,160,89,.18); transform: scale(1.08); }
.aula-ed-btn--peligro:hover { background: rgba(224,100,76,.15); }
.aula-sec-head .aula-ed-btn { margin-left: auto; background: var(--color-surface); box-shadow: var(--shadow-card); }

.aula.is-editando .aula-recurso,
.aula.is-editando .aula-estudio-card { outline: 1.5px dashed rgba(197,160,89,.55); outline-offset: 3px; }

.aula-ed-barra { gap: 10px; flex-wrap: wrap; margin: -4px 0 18px; }
.aula-ed-nuevo {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 18px; border-radius: 100px;
    border: none; cursor: pointer;
    font: 700 13.5px var(--font-system);
    color: var(--aula-brown-800);
    background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold));
    box-shadow: 0 8px 18px -10px rgba(197,160,89,.9);
    transition: transform .2s var(--aula-ease);
}
.aula-ed-nuevo:hover { transform: translateY(-2px); }
.aula-ed-nuevo--sec { background: var(--color-surface); color: var(--aula-navy); box-shadow: var(--shadow-card); }

.aula-seccion--nueva {
    border: 2px dashed rgba(197,160,89,.55); background: rgba(197,160,89,.05); box-shadow: none;
}
.aula-seccion--nueva .aula-seccion-ico { background: rgba(197,160,89,.18); color: #7a5c22; box-shadow: none; font-size: 26px; font-weight: 300; }

.is-borrador { opacity: .72; }
.aula-chip--borrador { background: repeating-linear-gradient(135deg, #f4ead2 0 6px, #efe2c2 6px 12px); color: #7a5c22; font-style: normal; }

/* ==========================================================
   v2 · ESTUDIOS (series) dentro de una sección
   ========================================================== */
.aula-estudios { display: grid; gap: 16px; margin-bottom: 26px; }
.aula-estudio-card { position: relative; }
.aula-estudio-link {
    width: 100%;
    display: flex; align-items: stretch;
    padding: 0; border: none; text-align: left; cursor: pointer;
    background: var(--color-surface);
    border-radius: 24px; overflow: hidden;
    box-shadow: var(--shadow-card);
    font-family: var(--font-system);
    transition: transform .3s var(--aula-ease), box-shadow .3s;
}
.aula-estudio-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.aula-estudio-link:hover .aula-estudio-flecha { transform: translateX(4px); color: var(--aula-gold); }
.aula-estudio-cover {
    position: relative; flex-shrink: 0;
    width: 200px; min-height: 170px;
    background: var(--aula-grad);
    background-size: cover; background-position: center;
    display: grid; place-items: center;
}
.aula-estudio-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(20,12,4,.45)); }
.aula-estudio-cover-ico { font-size: 54px; filter: drop-shadow(0 8px 18px rgba(0,0,0,.4)); }
.aula-estudio-cover .aula-estado { position: absolute; left: 12px; bottom: 12px; z-index: 1; }
.aula-estado {
    display: inline-flex; align-items: center; gap: 5px;
    font: 800 10px/1 var(--font-system); letter-spacing: .6px; text-transform: uppercase;
    padding: 5px 9px; border-radius: 100px;
}
.aula-estado--en_curso { background: #fff; color: #2f7a4b; }
.aula-estado--en_curso::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #34b46a; box-shadow: 0 0 0 3px rgba(52,180,106,.25); animation: aulaLatido 1.8s infinite; }
.aula-estado--finalizado { background: rgba(255,255,255,.92); color: var(--aula-navy); }
.aula-estado--proximamente { background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold)); color: var(--aula-brown-800); }
@keyframes aulaLatido { 50% { box-shadow: 0 0 0 6px rgba(52,180,106,0); } }
.aula-estudio-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 7px; padding: 20px 22px; }
.aula-estudio-titulo { font: 700 19px/1.25 var(--font-serif); color: var(--aula-navy); }
.aula-estudio-extracto { font-size: 13.5px; line-height: 1.5; color: var(--color-secondary); }
.aula-estudio-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--color-secondary); font-weight: 600; }
.aula-estudio-prog { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 4px; }
.aula-estudio-prog .aula-bar { flex: 1; }
.aula-estudio-prog small { font-size: 12px; font-weight: 700; color: var(--aula-gold); font-variant-numeric: tabular-nums; }
.aula-estudio-flecha { align-self: center; padding: 0 22px 0 4px; font-size: 22px; color: rgba(26,42,58,.3); transition: transform .3s var(--aula-ease), color .3s; }

/* ==========================================================
   v2 · VISTA DE UN ESTUDIO
   ========================================================== */
.aula-est-hero {
    position: relative; overflow: hidden;
    display: flex; align-items: center; gap: 24px;
    padding: 30px 30px 28px;
    margin-bottom: 18px;
    border-radius: var(--radius-card);
    color: #fff;
    background:
        linear-gradient(110deg, rgba(27,16,6,.94) 0%, rgba(36,23,8,.82) 45%, rgba(26,42,58,.75) 100%),
        var(--aula-cover, none) center / cover,
        var(--aula-grad);
    box-shadow: 0 18px 50px -24px rgba(26,16,6,.75);
}
.aula-est-hero::before {
    content: ''; position: absolute; right: -60px; top: -80px; width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, rgba(232,201,122,.2), transparent 65%);
}
.aula-est-hero-txt { position: relative; flex: 1; min-width: 0; }
.aula-est-hero .aula-eyebrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.aula-est-hero .aula-estado { font-size: 9.5px; }
.aula-est-hero h3 { font: 700 28px/1.15 var(--font-serif); color: #fff; margin: 6px 0 8px; }
.aula-est-hero p { margin: 0; color: rgba(255,255,255,.72); font-size: 14.5px; line-height: 1.55; max-width: 520px; }
.aula-est-maestro { display: inline-block; margin-top: 12px; font-size: 12.5px; font-weight: 600; color: var(--aula-gold-2); }
.aula-est-ring { position: relative; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; }
.aula-est-ring strong { position: absolute; top: 0; height: 86px; display: grid; place-items: center; font-size: 19px; font-weight: 700; }
.aula-est-ring small { margin-top: 6px; font-size: 11px; color: rgba(255,255,255,.6); }

.aula-intro {
    position: relative;
    background: linear-gradient(180deg, #fffdf7, #fbf6ea);
    border: 1px solid rgba(197,160,89,.32);
    border-radius: 24px;
    padding: 22px 26px 16px;
    margin-bottom: 26px;
    box-shadow: var(--shadow-card);
}
.aula-intro-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.aula-intro-head strong { font-size: 11.5px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; color: #8a6a2c; }
.aula-intro-ico { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--aula-grad); color: var(--aula-gold-2); font-size: 12px; }
.aula-intro-texto { max-height: 210px; overflow: hidden; position: relative; transition: max-height .5s var(--aula-ease); }
.aula-intro-texto::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 90px;
    background: linear-gradient(180deg, rgba(251,246,234,0), #fbf6ea);
    transition: opacity .3s;
}
.aula-intro.is-abierta .aula-intro-texto { max-height: 3000px; }
.aula-intro.is-abierta .aula-intro-texto::after, .aula-intro.is-corta .aula-intro-texto::after { opacity: 0; }
.aula-intro.is-corta .aula-intro-texto { max-height: none; }
.aula-intro.is-corta .aula-intro-mas { display: none; }
.aula-intro-mas {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 8px;
    border: none; background: none; cursor: pointer; padding: 6px 0;
    font: 700 13px var(--font-system); color: #8a6a2c;
}
.aula-intro.is-abierta .aula-intro-mas { color: var(--color-secondary); }

/* Texto con formato (intro, lecciones, editor) */
.aula-lector-texto { font: 400 16.5px/1.75 var(--font-serif); color: #2a1810; }
.aula-lector-texto p { margin: 0 0 1em; }
.aula-lector-texto h2, .aula-lector-texto h3, .aula-lector-texto h4 { font-family: var(--font-serif); color: #1a2a3a; margin: 1.3em 0 .45em; line-height: 1.25; }
.aula-lector-texto h3 { font-size: 1.2em; }
.aula-lector-texto ul, .aula-lector-texto ol { margin: 0 0 1.1em; padding-left: 1.3em; }
.aula-lector-texto li { margin-bottom: .55em; padding-left: .2em; }
.aula-lector-texto ul li::marker { color: #c5a059; content: '✦  '; font-size: .8em; }
.aula-lector-texto strong { color: #1a2a3a; }
.aula-lector-texto blockquote {
    margin: 1.3em 0; padding: 14px 18px 14px 20px;
    border-left: 3px solid #c5a059; border-radius: 0 14px 14px 0;
    background: rgba(197,160,89,.08);
    color: #5a4632; font-style: italic;
}
.aula-lector-texto a { color: #8a6a2c; text-decoration: underline; }

/* Recorrido (timeline) */
.aula-recursos--timeline { position: relative; padding-left: 46px; }
.aula-recursos--timeline::before {
    content: ''; position: absolute; left: 17px; top: 18px; bottom: 18px; width: 2px;
    background: linear-gradient(180deg, rgba(197,160,89,.6), rgba(197,160,89,.12));
}
.aula-recurso { position: relative; overflow: visible; }
.aula-recurso > .aula-mazo-visual { border-radius: 24px 0 0 24px; }
.aula-num {
    position: absolute; left: -46px; top: 18px;
    width: 36px; height: 36px; border-radius: 50%;
    display: grid; place-items: center;
    font: 700 14px var(--font-system); color: var(--aula-navy);
    background: var(--color-surface);
    border: 2px solid rgba(197,160,89,.6);
    box-shadow: 0 0 0 5px var(--color-bg);
    transition: all .35s var(--aula-ease);
}
.aula-recurso.is-hecho .aula-num { background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold)); border-color: transparent; color: var(--aula-brown-800); }
.aula-recurso.is-hecho .aula-num::after { content: '✓'; position: absolute; inset: 0; display: grid; place-items: center; background: inherit; border-radius: 50%; }
.aula-recurso--leccion { border-left: 4px solid transparent; }
.aula-recurso--leccion.is-hecho { border-left-color: var(--aula-gold); }
.aula-recurso--leccion.is-hecho h4::after { content: ' ✓'; color: var(--aula-gold); }
.aula-vacio--sm { padding: 30px 22px; }

/* ==========================================================
   v2 · LECTOR (vídeo, presentación, adjuntos)
   ========================================================== */
.aula-lector-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; font-weight: 600; color: #8a6a2c; margin-bottom: 8px; }
.aula-lector-video, .aula-lector-pres {
    position: relative; aspect-ratio: 16 / 9; margin: 0 0 22px;
    border-radius: 18px; overflow: hidden; background: #111;
    box-shadow: 0 16px 40px -18px rgba(0,0,0,.5);
}
.aula-lector-video iframe, .aula-lector-pres iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.aula-lector-adjuntos { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.aula-lector-adjuntos .aula-btn { text-decoration: none; }
.aula-lector-fin { margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(197,160,89,.3); display: flex; justify-content: center; }
.aula-check--grande { padding: 13px 22px 13px 14px; font-size: 15px; }
.aula-check--grande .aula-check-box { width: 26px; height: 26px; }

/* ==========================================================
   v2 · SOLICITUDES DE ACCESO
   ========================================================== */
.aula-roles-leyenda { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 18px; font-size: 12.5px; color: var(--color-secondary); }
.aula-roles-leyenda b { color: var(--aula-navy); }
.aula-solicitudes { display: grid; gap: 14px; }
.aula-solicitud {
    background: var(--color-surface); border-radius: 22px; box-shadow: var(--shadow-card);
    padding: 18px 20px;
    transition: opacity .4s, transform .4s var(--aula-ease), max-height .5s, padding .5s, margin .5s;
    max-height: 600px;
}
.aula-solicitud.is-procesando { opacity: .6; pointer-events: none; }
.aula-solicitud.is-aprobada { box-shadow: 0 0 0 2px rgba(52,180,106,.5), var(--shadow-card); }
.aula-solicitud.is-rechazada { box-shadow: 0 0 0 2px rgba(224,100,76,.4), var(--shadow-card); }
.aula-solicitud.is-fuera, .is-fuera { opacity: 0; transform: translateX(30px); }
.aula-solicitud-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.aula-solicitud-head > div { flex: 1; min-width: 160px; }
.aula-solicitud-head strong { display: block; font-size: 15.5px; color: var(--aula-navy); }
.aula-solicitud-head small { font-size: 12px; color: var(--color-secondary); }
.aula-avatar--sm { width: 40px; height: 40px; font-size: 16px; }
.aula-solicitud-motivo { margin: 12px 0 0; padding: 10px 14px; border-radius: 12px; background: var(--color-bg); font-size: 13.5px; color: #4a4a4f; font-style: italic; }
.aula-solicitud-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.aula-solicitud-acciones > span { font-size: 12px; font-weight: 700; color: var(--color-secondary); margin-right: 2px; }
.aula-rol-btn {
    padding: 9px 14px; border-radius: 100px; cursor: pointer;
    border: 1.5px solid rgba(26,42,58,.14); background: var(--color-surface);
    font: 700 13px var(--font-system); color: var(--aula-navy);
    transition: all .2s;
}
.aula-rol-btn:hover { border-color: var(--aula-gold); background: rgba(197,160,89,.1); }
.aula-rol-btn--no { margin-left: auto; color: #b5533f; border-color: rgba(181,83,63,.25); }
.aula-rol-btn--no:hover { background: rgba(224,100,76,.08); border-color: #e0644c; }
.aula-solicitud-ok { font-size: 13.5px; color: #2f7a4b; }
.is-rechazada .aula-solicitud-ok { color: #b5533f; }
.aula-nota { margin-top: 18px; font-size: 12.5px; color: var(--color-secondary); }
.aula-nota a { color: #8a6a2c; text-decoration: underline; }

/* ==========================================================
   v2 · CUENTA PENDIENTE
   ========================================================== */
.aula-pendiente {
    position: relative; overflow: hidden;
    max-width: 560px; margin: 0 auto 28px;
    padding: 46px 34px 34px;
    text-align: center;
    border-radius: var(--radius-card);
    background: var(--aula-grad);
    color: #fff;
    box-shadow: 0 18px 50px -24px rgba(26,16,6,.75);
}
.aula-pendiente::before {
    content: ''; position: absolute; left: 50%; top: -120px; transform: translateX(-50%);
    width: 360px; height: 360px; border-radius: 50%;
    background: radial-gradient(circle, rgba(232,201,122,.22), transparent 65%);
}
.aula-pendiente > * { position: relative; }
.aula-pendiente-sello {
    width: 84px; height: 84px; margin: 0 auto 18px; border-radius: 50%;
    display: grid; place-items: center; font-size: 36px;
    background: rgba(255,255,255,.07); border: 1px solid rgba(232,201,122,.4);
    box-shadow: 0 0 0 10px rgba(232,201,122,.06);
}
.aula-pendiente-sello span { animation: aulaArena 3s ease-in-out infinite; display: inline-block; }
@keyframes aulaArena { 0%, 40% { transform: rotate(0); } 50%, 90% { transform: rotate(180deg); } 100% { transform: rotate(360deg); } }
.aula-pendiente h2 { font: 700 28px/1.2 var(--font-serif); color: #fff; margin: 4px 0 10px; }
.aula-pendiente > p { color: rgba(255,255,255,.72); font-size: 14.5px; line-height: 1.6; max-width: 420px; margin: 0 auto; }
.aula-pendiente-pasos { list-style: none; padding: 0; margin: 26px auto 22px; display: flex; justify-content: center; gap: 6px; max-width: 440px; }
.aula-pendiente-pasos li { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 11.5px; color: rgba(255,255,255,.5); position: relative; }
.aula-pendiente-pasos li:not(:last-child)::after { content: ''; position: absolute; top: 15px; left: calc(50% + 20px); right: calc(-50% + 20px); height: 2px; background: rgba(255,255,255,.12); }
.aula-pendiente-pasos li span { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; border: 1.5px solid rgba(255,255,255,.2); }
.aula-pendiente-pasos li.is-hecho span { background: var(--aula-gold); border-color: transparent; color: var(--aula-brown-800); }
.aula-pendiente-pasos li.is-hecho { color: rgba(255,255,255,.8); }
.aula-pendiente-pasos li.is-hecho::after { background: var(--aula-gold); }
.aula-pendiente-pasos li.is-activo span { border-color: var(--aula-gold-2); color: var(--aula-gold-2); box-shadow: 0 0 0 4px rgba(232,201,122,.15); animation: aulaLatidoOro 2s infinite; }
.aula-pendiente-pasos li.is-activo { color: var(--aula-gold-2); font-weight: 700; }
@keyframes aulaLatidoOro { 50% { box-shadow: 0 0 0 9px rgba(232,201,122,0); } }
.aula-pendiente-mientras { font-size: 13px !important; color: rgba(255,255,255,.55) !important; margin-bottom: 18px !important; }
.aula-salir--claro { display: inline-block; margin: 0 auto; }

/* ==========================================================
   v2 · INICIO: botón "Ya he leído" + marca en las pastillas
   ========================================================== */
.lectura-leido { margin: 4px 0 20px; }
.lectura-leido-btn {
    position: relative;
    width: 100%;
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px;
    border-radius: 18px;
    border: 1.5px dashed rgba(197,160,89,.6);
    background: linear-gradient(135deg, rgba(197,160,89,.07), rgba(197,160,89,.02));
    cursor: pointer; text-align: left;
    font-family: var(--font-system);
    transition: all .35s cubic-bezier(.22,.8,.26,1);
}
.lectura-leido-btn:hover { border-style: solid; background: rgba(197,160,89,.12); transform: translateY(-1px); }
.lectura-leido-check {
    width: 34px; height: 34px; flex-shrink: 0; border-radius: 50%;
    display: grid; place-items: center;
    border: 2px solid rgba(197,160,89,.7);
    color: transparent; font-weight: 800; font-size: 16px;
    transition: all .35s cubic-bezier(.22,.8,.26,1);
}
.lectura-leido-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.lectura-leido-txt strong { font-size: 14.5px; color: var(--color-accent-dark); }
.lectura-leido-txt small { font-size: 12px; color: var(--color-secondary); }
.lectura-leido-racha { font-weight: 800; font-size: 14px; color: #b86b1d; }
.lectura-leido-btn[aria-pressed="true"] {
    border-style: solid; border-color: transparent;
    background: linear-gradient(115deg, #2a1810 0%, #3a2818 35%, var(--color-accent-dark) 75%, #2d4a6a 100%);
    box-shadow: 0 12px 26px -14px rgba(26,16,6,.8);
}
.lectura-leido-btn[aria-pressed="true"] .lectura-leido-check { background: linear-gradient(145deg, #e8c97a, #c5a059); border-color: transparent; color: #241708; }
.lectura-leido-btn[aria-pressed="true"] .lectura-leido-txt strong { color: #fff; }
.lectura-leido-btn[aria-pressed="true"] .lectura-leido-txt small { color: rgba(255,255,255,.65); }
.lectura-leido-btn[aria-pressed="true"] .lectura-leido-racha { color: #e8c97a; }
.lectura-leido-btn.is-celebra .lectura-leido-check { animation: aulaSello .7s cubic-bezier(.22,.8,.26,1); }
@keyframes aulaSello { 0% { transform: scale(.4) rotate(-30deg); } 60% { transform: scale(1.25) rotate(8deg); } 100% { transform: none; } }
.lectura-leido-btn.is-celebra::after {
    content: ''; position: absolute; inset: -2px; border-radius: 20px;
    box-shadow: 0 0 0 0 rgba(232,201,122,.7);
    animation: aulaOnda .9s ease-out forwards; pointer-events: none;
}
@keyframes aulaOnda { to { box-shadow: 0 0 0 14px rgba(232,201,122,0); } }
.lectura-leido-login {
    display: block; padding: 12px 16px; border-radius: 14px;
    background: var(--color-bg); font-size: 13px; color: var(--color-secondary) !important;
}
.lectura-leido-login:hover { color: var(--color-accent-dark) !important; }
.lectura-dia-item.is-leida .lectura-dia-btn::after {
    content: '✓'; display: inline-grid; place-items: center;
    width: 15px; height: 15px; margin-left: 6px; border-radius: 50%;
    background: #c5a059; color: #241708; font-size: 9px; font-weight: 900; vertical-align: 1px;
}

/* Registro: pastillas Sí/No */
.reg-nota { font-size: 13px; color: var(--color-secondary); margin-bottom: 16px; line-height: 1.5; }
.reg-pills { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.reg-pill { position: relative; cursor: pointer; }
.reg-pill input { position: absolute; opacity: 0; pointer-events: none; }
.reg-pill span {
    display: block; text-align: center;
    padding: 11px 10px; border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border); background: var(--color-bg);
    font-size: 13px; font-weight: 600; color: var(--color-text);
    transition: all .2s;
}
.reg-pill input:checked + span { border-color: var(--color-gold); background: rgba(197,160,89,.12); color: var(--color-accent-dark); box-shadow: 0 0 0 3px rgba(197,160,89,.15); }
.reg-pill input:focus-visible + span { outline: 2px solid var(--color-gold); outline-offset: 2px; }
textarea.form-input { resize: vertical; min-height: 80px; line-height: 1.5; }

/* ==========================================================
   v2 · MODALES DEL EDITOR
   ========================================================== */
.aula-modal {
    position: fixed; inset: 0; z-index: 10001;
    display: flex; align-items: flex-end; justify-content: center;
    background: rgba(20,12,4,.55); backdrop-filter: blur(6px);
    opacity: 0; transition: opacity .25s;
    font-family: var(--font-system);
}
.aula-modal.is-open { opacity: 1; }
.aula-modal-box {
    width: 100%; max-width: 720px; max-height: 94vh;
    display: flex; flex-direction: column;
    background: var(--color-surface, #fff);
    border-radius: 28px 28px 0 0;
    box-shadow: 0 -20px 60px rgba(0,0,0,.35);
    transform: translateY(40px); transition: transform .35s cubic-bezier(.22,.8,.26,1);
    overflow: hidden;
}
.aula-modal.is-open .aula-modal-box { transform: none; }
.aula-modal-head {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 22px;
    background: linear-gradient(115deg, #2a1810 0%, #3a2818 35%, #1a2a3a 75%, #2d4a6a 100%);
    color: #fff;
}
.aula-modal-ico { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; font-size: 20px; background: rgba(232,201,122,.15); border: 1px solid rgba(232,201,122,.35); }
.aula-modal-head small { display: block; font-size: 10.5px; font-weight: 800; letter-spacing: 1.1px; text-transform: uppercase; color: #e8c97a; }
.aula-modal-head h3 { margin: 2px 0 0; font: 700 20px/1.2 var(--font-serif); color: #fff; }
.aula-modal-x { margin-left: auto; width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08); color: #fff; cursor: pointer; font-size: 14px; }
.aula-modal-cuerpo { flex: 1; overflow-y: auto; padding: 22px; overscroll-behavior: contain; }
.aula-modal-pie {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 22px max(14px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--color-border);
    background: #fcfbf8;
}
.aula-modal-pie .aula-btn { margin-top: 0; }
.aula-modal-msg { flex: 1; font-size: 13px; font-weight: 600; }
.aula-modal-msg.is-ok { color: #2f7a4b; }
.aula-modal-msg.is-error { color: #b5533f; }
.aula-btn.is-cargando { position: relative; color: transparent !important; }
.aula-btn.is-cargando::after {
    content: ''; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; margin: -9px 0 0 -9px;
    border-radius: 50%; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff;
    animation: aulaGira .7s linear infinite;
}
@keyframes aulaGira { to { transform: rotate(360deg); } }

.aula-form { display: flex; flex-direction: column; gap: 16px; }
.aula-form-intro { margin: 0; font-size: 15px; color: var(--color-text); }
.aula-form-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.aula-campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.aula-campo-lbl { font-size: 12.5px; font-weight: 700; color: var(--color-text); }
.aula-campo small { font-size: 11.5px; color: var(--color-secondary); }
.aula-campo input[type=text], .aula-campo input[type=url], .aula-campo input[type=date], .aula-campo select, .aula-csv-texto textarea {
    width: 100%; padding: 11px 14px;
    border: 1px solid rgba(0,0,0,.1); border-radius: 12px;
    background: var(--color-bg, #f5f5f7);
    font: 15px var(--font-system); color: var(--color-text);
    outline: none; transition: border-color .2s, box-shadow .2s;
}
.aula-campo input:focus, .aula-campo select:focus, .aula-csv-texto textarea:focus { border-color: #c5a059; box-shadow: 0 0 0 3px rgba(197,160,89,.18); background: #fff; }
.aula-segmentos, .aula-iconos { display: flex; flex-wrap: wrap; gap: 6px; }
.aula-segmentos label, .aula-iconos label { position: relative; cursor: pointer; }
.aula-segmentos input, .aula-iconos input { position: absolute; opacity: 0; pointer-events: none; }
.aula-segmentos span { display: block; padding: 9px 14px; border-radius: 100px; border: 1.5px solid rgba(0,0,0,.1); font-size: 13px; font-weight: 600; transition: all .2s; }
.aula-segmentos input:checked + span { border-color: #c5a059; background: rgba(197,160,89,.14); color: #7a5c22; }
.aula-iconos span { width: 44px; height: 44px; display: grid; place-items: center; font-size: 22px; border-radius: 12px; border: 1.5px solid transparent; background: var(--color-bg); transition: all .2s; }
.aula-iconos input:checked + span { border-color: #c5a059; background: rgba(197,160,89,.16); transform: scale(1.08); }
.aula-switch--claro { color: var(--color-text); font-size: 14px; font-weight: 600; }
.aula-switch--claro .aula-switch-ui { background: rgba(0,0,0,.15); }
.aula-mini-check { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--color-secondary); cursor: pointer; }

.aula-tipos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.aula-tipo {
    display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
    padding: 18px 16px; border-radius: 20px; cursor: pointer; text-align: left;
    border: 1.5px solid rgba(0,0,0,.08); background: var(--color-surface);
    font-family: var(--font-system);
    transition: all .25s cubic-bezier(.22,.8,.26,1);
}
.aula-tipo span { font-size: 28px; }
.aula-tipo strong { font: 700 15.5px var(--font-serif); color: #1a2a3a; }
.aula-tipo small { font-size: 12px; line-height: 1.4; color: var(--color-secondary); }
.aula-tipo:hover:not(:disabled) { border-color: #c5a059; transform: translateY(-3px); box-shadow: 0 14px 30px -16px rgba(197,160,89,.7); }
.aula-tipo.is-pronto { opacity: .5; cursor: not-allowed; }

.aula-drop {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; border-radius: 16px; cursor: pointer;
    border: 2px dashed rgba(197,160,89,.55); background: rgba(197,160,89,.05);
    transition: all .2s;
}
.aula-drop:hover, .aula-drop.is-sobre { background: rgba(197,160,89,.12); border-color: #c5a059; }
.aula-drop.is-lleno { border-style: solid; background: rgba(52,180,106,.06); border-color: rgba(52,180,106,.5); }
.aula-drop-ico { width: 40px; height: 40px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; font-size: 18px; color: #7a5c22; background: rgba(197,160,89,.18); }
.aula-drop-txt { display: flex; flex-direction: column; gap: 2px; }
.aula-drop-txt strong { font-size: 14px; color: #1a2a3a; }
.aula-drop-txt small { font-size: 12px; color: var(--color-secondary); }
.aula-portada-actual { position: relative; height: 120px; border-radius: 14px; background-size: cover; background-position: center; margin-bottom: 8px; }
.aula-portada-actual .aula-mini-check { position: absolute; right: 10px; bottom: 10px; background: #fff; padding: 5px 10px; border-radius: 100px; }

.aula-csv-prev { margin-top: 10px; padding: 12px; border-radius: 14px; background: var(--color-bg); font-size: 13px; }
.aula-csv-prev p { margin: 0 0 8px; }
.aula-csv-prev .is-error { color: #b5533f; margin: 0; }
.aula-csv-card { display: flex; flex-direction: column; gap: 3px; padding: 10px 12px; margin-top: 6px; border-radius: 10px; background: #fffdf7; border: 1px solid rgba(197,160,89,.3); }
.aula-csv-card b { font-size: 13px; color: #1a2a3a; }
.aula-csv-card span { font-size: 12.5px; color: var(--color-secondary); white-space: pre-line; }
.aula-csv-texto { margin-top: 10px; }
.aula-csv-texto summary { cursor: pointer; font-size: 12.5px; font-weight: 600; color: #8a6a2c; }
.aula-csv-texto textarea { margin-top: 8px; font: 12px/1.5 ui-monospace, Menlo, monospace; resize: vertical; }
.aula-csv-texto textarea:disabled { opacity: .5; }

/* Editor de texto enriquecido */
.aula-rte { border: 1px solid rgba(0,0,0,.1); border-radius: 14px; overflow: hidden; background: #fffdf8; }
.aula-rte:focus-within { border-color: #c5a059; box-shadow: 0 0 0 3px rgba(197,160,89,.18); }
.aula-rte-barra { display: flex; flex-wrap: wrap; gap: 2px; padding: 6px; background: #f6f1e4; border-bottom: 1px solid rgba(197,160,89,.25); position: sticky; top: 0; z-index: 1; }
.aula-rte-barra button {
    min-width: 34px; height: 32px; padding: 0 8px; border-radius: 8px;
    border: none; background: transparent; cursor: pointer;
    font: 600 13px var(--font-system); color: #3a2818;
}
.aula-rte-barra button:hover { background: rgba(197,160,89,.22); }
.aula-rte-sep { width: 1px; margin: 6px 4px; background: rgba(197,160,89,.4); }
.aula-rte-area { min-height: 220px; max-height: 46vh; overflow-y: auto; padding: 16px 18px; outline: none; font-size: 15.5px; }
.aula-rte-area:empty::before { content: attr(data-placeholder); color: #a9a29a; font-style: italic; }

.aula-toast {
    position: fixed; left: 50%; bottom: 24px; z-index: 10002;
    transform: translate(-50%, 20px); opacity: 0;
    padding: 11px 18px; border-radius: 100px;
    background: #1a2a3a; color: #fff; font: 600 13.5px var(--font-system);
    box-shadow: 0 12px 30px rgba(0,0,0,.25);
    transition: all .3s cubic-bezier(.22,.8,.26,1);
}
.aula-toast.is-on { transform: translate(-50%, 0); opacity: 1; }
.aula-toast.is-error { background: #b5533f; }

@media (min-width: 769px) {
    .aula-modal { align-items: center; padding: 20px; }
    .aula-modal-box { border-radius: 28px; max-height: 90vh; }
}
@media (max-width: 768px) {
    .aula-semana { flex-wrap: wrap; }
    .aula-semana-dias { margin: 0; order: 3; width: 100%; justify-content: space-between; }
    .aula-semana-ir { margin-left: auto; }
    .aula-tipos { grid-template-columns: 1fr; }
    .aula-tipo { flex-direction: row; align-items: center; flex-wrap: wrap; }
    .aula-tipo small { flex-basis: 100%; }
}
@media (max-width: 600px) {
    .aula-hero-top { flex-wrap: wrap; }
    .aula-hero-acciones { order: -1; width: 100%; justify-content: flex-end; margin-bottom: -6px; }
    .aula-hero-btn--edit span { display: none; }
    .aula-stats { grid-template-columns: repeat(2, 1fr); }
    .aula-stats .aula-stat-ring { grid-column: span 2; flex-direction: row; justify-content: center; gap: 14px; min-height: 70px; }
    .aula-stats .aula-stat-ring .aula-ring-num { position: static; height: auto; display: inline; font-size: 22px !important; }
    .aula-stats .aula-stat-ring .aula-ring { display: none; }
    .aula-estudio-link { flex-direction: column; }
    .aula-estudio-cover { width: 100%; min-height: 130px; }
    .aula-estudio-flecha { display: none; }
    .aula-est-hero { flex-direction: column; align-items: flex-start; padding: 22px 20px; }
    .aula-est-hero h3 { font-size: 23px; }
    .aula-est-ring { flex-direction: row; gap: 12px; }
    .aula-est-ring strong { position: absolute; left: 0; width: 86px; }
    .aula-intro { padding: 18px 18px 12px; }
    .aula-recursos--timeline { padding-left: 34px; }
    .aula-recursos--timeline::before { left: 12px; }
    .aula-num { left: -34px; width: 28px; height: 28px; font-size: 12px; }
    .aula-recurso > .aula-mazo-visual { border-radius: 24px 24px 0 0; }
    .aula-form-fila { grid-template-columns: 1fr; }
    .aula-modal-cuerpo { padding: 18px; }
    .aula-rol-btn--no { margin-left: 0; }
    .aula-pendiente { padding: 36px 22px 28px; }
    .aula-ed-tools { top: 6px; right: 6px; }
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (min-width: 769px) {
    .aula-lector { align-items: center; }
    .aula-lector-box { border-radius: 28px; max-height: 88vh; }
}
@media (max-width: 768px) {
    .aula-comunidad { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .aula-hero { padding: 20px 18px 18px; }
    .aula-hero-text h2 { font-size: 20px; }
    .aula-avatar { width: 44px; height: 44px; font-size: 18px; }
    .aula-stat { min-height: 84px; padding: 12px; }
    .aula-stat strong { font-size: 24px; }
    .aula-secciones { grid-template-columns: 1fr 1fr; gap: 10px; }
    .aula-seccion { min-height: 156px; padding: 14px 14px 13px; border-radius: 18px; }
    .aula-seccion-desc { display: none; }
    .aula-seccion-ico { width: 40px; height: 40px; font-size: 19px; border-radius: 12px; }
    .aula-seccion-nombre { font-size: 15px; }
    .aula-recurso--mazo { flex-direction: column; }
    .aula-mazo-visual { width: 100%; height: 150px; }
    .aula-mazo-c { width: 84px; height: 110px; }
    .aula-mazo-c1 em { font-size: 32px; }
    .aula-recurso-body { padding: 18px; }
    .aula-sec-head h3 { font-size: 22px; }
    .aula-pl { padding-left: 14px; padding-right: 14px; }
    .aula-fc-cara { padding: 44px 22px 38px; border-radius: 24px; }
    .aula-fc-texto { font-size: 20px; }
    .aula-fc-back .aula-fc-texto { font-size: 18.5px; }
    .aula-fc.is-largo .aula-fc-texto { font-size: 16.5px; }
    .aula-pl-btn { min-height: 54px; font-size: 15px; }
    .aula-pl-teclas { display: none; }
}
@media (max-width: 360px) {
    .aula-secciones { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .aula *, .aula-player *, .aula-lector * { animation: none !important; transition: none !important; }
}

.aula-btn[hidden], .aula-modal [hidden] { display: none !important; }

/* ==========================================================
   v3 · CUESTIONARIOS
   ========================================================== */
/* Tarjeta en el Aula */
.aula-quiz-visual {
    position: relative; width: 190px; flex-shrink: 0;
    display: grid; place-items: center;
    border-radius: 24px 0 0 24px;
    background:
        radial-gradient(circle at 70% 20%, rgba(232,201,122,.28), transparent 55%),
        linear-gradient(150deg, #1a2a3a 0%, #22384f 50%, #2a1810 120%);
}
.aula-quiz-hoja {
    width: 96px; height: 120px; padding: 18px 14px;
    border-radius: 12px; background: linear-gradient(165deg, #fffdf7, #f3e8cf);
    box-shadow: 0 12px 26px -8px rgba(0,0,0,.6);
    display: flex; flex-direction: column; gap: 12px;
    transform: rotate(-5deg);
    transition: transform .5s var(--aula-ease);
}
.aula-quiz-hoja i {
    position: relative; display: block; height: 7px; margin-left: 18px; border-radius: 4px;
    background: rgba(42,24,16,.15);
}
.aula-quiz-hoja i::before {
    content: ''; position: absolute; left: -18px; top: -3px; width: 12px; height: 12px; border-radius: 50%;
    border: 1.5px solid rgba(197,160,89,.7);
}
.aula-quiz-hoja i.is-ok::before { background: #c5a059; border-color: #c5a059; }
.aula-quiz-nota {
    position: absolute; right: 22px; bottom: 18px;
    min-width: 54px; height: 54px; padding: 0 8px; border-radius: 50%;
    display: grid; place-items: center;
    font: 800 16px var(--font-system); color: var(--aula-brown-800);
    background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold));
    box-shadow: 0 0 0 4px rgba(232,201,122,.25), 0 8px 18px -6px rgba(0,0,0,.6);
    transform: rotate(8deg);
}
.aula-recurso--quiz:hover .aula-quiz-hoja { transform: rotate(2deg) translateY(-4px); }

/* Reproductor */
.aula-quiz { padding-top: 16px; }
.aula-quiz-zona {
    flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain;
    width: 100%; max-width: 620px; margin: 14px auto 0; padding: 4px 2px 18px;
}
.aula-quiz-pregunta {
    position: relative;
    padding: 44px 28px 26px; border-radius: 24px; text-align: center;
    background: radial-gradient(circle at 50% -10%, rgba(255,255,255,.9), transparent 60%), linear-gradient(165deg, #fffdf7, #f6ecd6);
    color: #2a1810;
    box-shadow: 0 24px 50px -22px rgba(0,0,0,.7);
    animation: aulaFcIn .4s var(--aula-ease) both;
    transition: box-shadow .3s;
}
.aula-quiz-pregunta::before { content: ''; position: absolute; inset: 10px; border-radius: 16px; border: 1px solid rgba(197,160,89,.45); pointer-events: none; }
.aula-quiz-pregunta.is-ok { box-shadow: 0 0 0 3px rgba(232,201,122,.7), 0 24px 50px -22px rgba(0,0,0,.7); }
.aula-quiz-pregunta.is-ko { animation: aulaTiembla .4s; }
@keyframes aulaTiembla { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.aula-quiz-q { font: 500 21px/1.42 var(--font-serif); }

.aula-quiz-ops { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.aula-quiz-op {
    display: flex; align-items: center; gap: 14px;
    width: 100%; padding: 14px 16px; text-align: left; cursor: pointer;
    border-radius: 16px; border: 1.5px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.06); color: #fff;
    font: 500 15px/1.45 var(--font-system);
    animation: aulaFade .35s var(--aula-ease) both;
    transition: background .2s, border-color .2s, transform .2s, opacity .3s;
}
.aula-quiz-op:nth-child(2) { animation-delay: .05s; } .aula-quiz-op:nth-child(3) { animation-delay: .1s; } .aula-quiz-op:nth-child(4) { animation-delay: .15s; }
.aula-quiz-op:hover:not(:disabled) { background: rgba(255,255,255,.12); border-color: rgba(232,201,122,.6); transform: translateX(4px); }
.aula-quiz-op:focus-visible { outline: 3px solid rgba(232,201,122,.6); outline-offset: 2px; }
.aula-quiz-op:disabled { cursor: default; }
.aula-quiz-letra {
    width: 32px; height: 32px; flex-shrink: 0; border-radius: 10px;
    display: grid; place-items: center;
    font-weight: 800; font-size: 13px; color: var(--color-gold-light, #e8c97a);
    border: 1.5px solid rgba(232,201,122,.45);
    transition: all .3s;
}
.aula-quiz-op.is-correcta { background: rgba(232,201,122,.16); border-color: #e8c97a; }
.aula-quiz-op.is-correcta .aula-quiz-letra { background: linear-gradient(145deg, #e8c97a, #c5a059); color: #241708; border-color: transparent; font-size: 0; }
.aula-quiz-op.is-correcta .aula-quiz-letra::after { content: '✓'; font-size: 16px; }
.aula-quiz-op.is-error { background: rgba(224,100,76,.14); border-color: rgba(241,163,143,.8); }
.aula-quiz-op.is-error .aula-quiz-letra { background: #e0644c; color: #fff; border-color: transparent; font-size: 0; }
.aula-quiz-op.is-error .aula-quiz-letra::after { content: '✕'; font-size: 14px; }
.aula-quiz-op.is-apagada { opacity: .4; }

.aula-quiz-expl {
    margin-top: 14px; padding: 16px 18px; border-radius: 16px;
    font-size: 14.5px; line-height: 1.55; color: rgba(255,255,255,.85);
    background: rgba(0,0,0,.25); border-left: 3px solid #e8c97a;
    animation: aulaFade .35s var(--aula-ease) both;
}
.aula-quiz-expl.is-ko { border-left-color: #f1a38f; }
.aula-quiz-expl p { margin: 6px 0 0; }
.aula-quiz-veredicto { font-size: 15px; color: #e8c97a; }
.aula-quiz-expl.is-ko .aula-quiz-veredicto { color: #f6c1b3; }
.aula-quiz-buena b { color: #fff; }

.aula-quiz ~ .aula-pl-acciones, .aula-quiz .aula-pl-acciones { visibility: hidden; opacity: 0; transform: translateY(8px); transition: all .3s var(--aula-ease); max-width: 620px; }
.aula-quiz .aula-pl-acciones.is-on { visibility: visible; opacity: 1; transform: none; }
.aula-quiz .aula-pl-btn--se { display: inline-flex; width: 100%; }

/* Resultado */
.aula-quiz-fin { overflow-y: auto; padding: 16px 0; justify-content: flex-start; }
.aula-quiz-fin .aula-pl-ring { margin-top: auto; }
.aula-quiz-fin .aula-pl-opciones { margin-bottom: auto; }
.aula-quiz-fin h3 { font-size: 28px; }
.aula-quiz-repaso { width: 100%; max-width: 480px; text-align: left; display: flex; flex-direction: column; gap: 8px; }
.aula-quiz-repaso small { font-size: 10.5px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,.5); }
.aula-quiz-repaso-item { padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; gap: 4px; }
.aula-quiz-repaso-item b { font-size: 13.5px; font-weight: 600; color: #fff; }
.aula-quiz-repaso-item span { font-size: 13px; color: #e8c97a; }

@media (max-width: 600px) {
    .aula-recurso--quiz { flex-direction: column; }
    .aula-quiz-visual { width: 100%; height: 150px; border-radius: 24px 24px 0 0; }
    .aula-quiz-pregunta { padding: 40px 18px 20px; }
    .aula-quiz-q { font-size: 18px; }
    .aula-quiz-op { padding: 12px 13px; font-size: 14px; }
}

/* ==========================================================
   v4 · COMUNIDAD — accesos, avatares, utilidades
   ========================================================== */
button.aula-com { width: 100%; text-align: left; cursor: pointer; font-family: var(--font-system); }
.aula-com--activa { border: 1px solid rgba(197,160,89,.35); box-shadow: var(--shadow-card); transition: transform .3s var(--aula-ease), box-shadow .3s; }
.aula-com--activa:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.aula-com--activa:hover .aula-com-flecha { transform: translateX(4px); color: var(--aula-gold); }
.aula-com--oracion { background: linear-gradient(135deg, #fffdf7, #fbf3e2); }
.aula-com--foro { background: linear-gradient(135deg, #fbfcfe, #eef3f8); }
.aula-com--oracion .aula-com-ico { background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold)); }
.aula-com--foro .aula-com-ico { background: var(--aula-grad); }
.aula-com-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.aula-com-txt strong { font-size: 15px; color: var(--aula-navy); }
.aula-com-txt > span { font-size: 12.5px; color: var(--color-secondary); line-height: 1.35; }
.aula-com-flecha { font-size: 18px; color: rgba(26,42,58,.3); transition: transform .3s var(--aula-ease), color .3s; }
.aula-nuevas {
    position: absolute; top: -8px; right: 14px;
    font-style: normal; font-size: 10.5px; font-weight: 800; color: #fff;
    background: #e0644c; padding: 3px 9px; border-radius: 100px;
    box-shadow: 0 4px 10px rgba(224,100,76,.4); animation: aulaBump .6s var(--aula-ease);
}

.aula-av {
    width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%;
    display: inline-grid; place-items: center;
    font: 700 15px var(--font-serif); color: #fff;
    box-shadow: 0 0 0 2px #fff;
}
.aula-av--c0 { background: linear-gradient(145deg, #c5a059, #8a6a2c); }
.aula-av--c1 { background: linear-gradient(145deg, #2d4a6a, #1a2a3a); }
.aula-av--c2 { background: linear-gradient(145deg, #7a5a3a, #3a2818); }
.aula-av--c3 { background: linear-gradient(145deg, #4f7d6b, #2c4f42); }
.aula-av--c4 { background: linear-gradient(145deg, #8b5a6b, #5a3442); }
.aula-av--c5 { background: linear-gradient(145deg, #5b6fa8, #36457a); }
.aula-av--c6 { background: linear-gradient(145deg, #e8c97a, #c5a059); color: #241708; }
.aula-av--sm { width: 30px; height: 30px; font-size: 12px; }
.aula-av--xs { width: 22px; height: 22px; font-size: 10px; box-shadow: 0 0 0 1.5px #fff; }
.aula-av-pila { display: inline-flex; }
.aula-av-pila .aula-av + .aula-av { margin-left: -7px; }

.aula-cargando { display: flex; justify-content: center; gap: 7px; padding: 40px 0; }
.aula-cargando span { width: 9px; height: 9px; border-radius: 50%; background: var(--aula-gold); animation: aulaPunto 1s infinite ease-in-out; }
.aula-cargando span:nth-child(2) { animation-delay: .15s; } .aula-cargando span:nth-child(3) { animation-delay: .3s; }
@keyframes aulaPunto { 0%, 80%, 100% { transform: scale(.5); opacity: .4; } 40% { transform: scale(1); opacity: 1; } }

.is-confirmar { background: #e0644c !important; color: #fff !important; border-color: transparent !important; }
.aula-modal-box--sm { max-width: 560px; }
.aula-iconos--txt span { width: auto; height: auto; padding: 8px 12px; font-size: 13px; font-weight: 600; border-radius: 100px; }
.aula-iconos--txt input:checked + span { transform: none; }

/* Cabecera de las zonas de comunidad */
.aula-com-hero {
    position: relative; overflow: hidden;
    display: flex; align-items: flex-end; gap: 20px; flex-wrap: wrap;
    padding: 28px 28px 24px; margin-bottom: 16px;
    border-radius: var(--radius-card); color: #fff;
    box-shadow: 0 18px 50px -24px rgba(26,16,6,.75);
}
.aula-com-hero--oracion {
    background:
        radial-gradient(ellipse at 85% -20%, rgba(232,201,122,.45), transparent 55%),
        radial-gradient(circle at 10% 120%, rgba(232,201,122,.18), transparent 50%),
        linear-gradient(135deg, #2a1810 0%, #3a2818 50%, #4a3520 100%);
}
.aula-com-hero--foro { background: radial-gradient(ellipse at 90% -10%, rgba(232,201,122,.25), transparent 55%), var(--aula-grad); }
.aula-com-hero::after {
    content: '🕊'; position: absolute; right: 20px; top: 6px; font-size: 120px; opacity: .06; pointer-events: none;
}
.aula-com-hero--foro::after { content: '✦'; }
.aula-com-hero-txt { position: relative; z-index: 1; flex: 1; min-width: 240px; }
.aula-com-hero h3 { font: 700 26px/1.2 var(--font-serif); color: #fff; margin: 6px 0 6px; }
.aula-com-hero p { margin: 0; color: rgba(255,255,255,.7); font-size: 14px; }
.aula-com-cifras { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.aula-com-cifras span { font-size: 12px; color: rgba(255,255,255,.75); padding: 6px 11px; border-radius: 100px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); }
.aula-com-cifras b { color: var(--aula-gold-2); font-size: 13px; }
.aula-com-cta { position: relative; z-index: 1; }

.aula-com-filtros { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.aula-com-filtros button {
    padding: 9px 15px; border-radius: 100px; cursor: pointer;
    border: 1.5px solid rgba(26,42,58,.1); background: var(--color-surface);
    font: 600 13px var(--font-system); color: var(--aula-navy); white-space: nowrap;
    transition: all .2s;
}
.aula-com-filtros button:hover { border-color: rgba(197,160,89,.6); }
.aula-com-filtros button.is-on { background: var(--aula-navy); color: #fff; border-color: transparent; box-shadow: 0 6px 14px -8px rgba(26,42,58,.8); }
.aula-com-filtros--scroll { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.aula-com-filtros--scroll::-webkit-scrollbar { display: none; }

/* ==========================================================
   v4 · MURO DE ORACIÓN
   ========================================================== */
.aula-oracion-muro { columns: 2 300px; column-gap: 16px; }
.aula-oracion-muro > .aula-vacio, .aula-oracion-muro > .aula-cargando { column-span: all; }
.aula-pet {
    position: relative; break-inside: avoid; display: inline-block; width: 100%;
    margin-bottom: 16px; padding: 18px 18px 14px;
    background: var(--color-surface); border-radius: 22px;
    box-shadow: var(--shadow-card);
    border-top: 3px solid rgba(197,160,89,.5);
    animation: aulaFade .4s var(--aula-ease) both;
    transition: opacity .3s, transform .3s;
}
.aula-pet.is-mia { border-top-color: var(--aula-navy-2); }
.aula-pet.is-respondida { background: linear-gradient(180deg, #fffaf0, #fff); border-top-color: var(--aula-gold); }
.aula-pet-cinta {
    margin: -18px -18px 14px; padding: 8px 18px; border-radius: 19px 19px 0 0;
    font-size: 12px; font-weight: 800; letter-spacing: .4px; color: var(--aula-brown-800);
    background: linear-gradient(90deg, var(--aula-gold-2), var(--aula-gold));
}
.aula-pet-head { position: relative; display: flex; align-items: center; gap: 10px; }
.aula-pet-quien { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.aula-pet-quien strong { font-size: 14px; color: var(--aula-navy); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aula-pet-quien strong em { font-style: normal; font-weight: 500; color: var(--color-secondary); }
.aula-pet-quien small { font-size: 11.5px; color: var(--color-secondary); }
.aula-pet-cat { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 100px; background: rgba(197,160,89,.12); color: #7a5c22; white-space: nowrap; }
.aula-pet-menu-btn { width: 30px; height: 30px; border-radius: 50%; border: none; background: transparent; cursor: pointer; font-size: 18px; color: var(--color-secondary); }
.aula-pet-menu-btn:hover { background: var(--color-bg); }
.aula-pet-menu {
    position: absolute; right: 0; top: 36px; z-index: 5; min-width: 230px;
    display: flex; flex-direction: column; padding: 6px;
    background: #fff; border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,.18);
    animation: aulaFade .2s var(--aula-ease) both;
}
.aula-pet-menu button { text-align: left; padding: 10px 12px; border: none; background: none; border-radius: 9px; cursor: pointer; font: 600 13.5px var(--font-system); color: var(--aula-navy); }
.aula-pet-menu button:hover { background: var(--color-bg); }
.aula-pet-menu .is-peligro { color: #b5533f; }
.aula-pet-privada { display: inline-block; margin-top: 10px; font-size: 11.5px; font-weight: 700; color: var(--aula-navy-2); background: rgba(45,74,106,.08); padding: 4px 10px; border-radius: 100px; }
.aula-pet h4 { font: 700 17px/1.3 var(--font-serif); color: var(--aula-navy); margin: 12px 0 6px; }
.aula-pet-texto { font-size: 14.5px; line-height: 1.6; color: #3a3a3f; white-space: pre-line; word-wrap: break-word; }
.aula-pet-texto a, .aula-resp-texto a, .aula-hilo-texto a { color: #8a6a2c; text-decoration: underline; }
.aula-pet-testimonio {
    margin: 14px 0 0; padding: 12px 14px; border-radius: 14px;
    background: rgba(197,160,89,.12); border-left: 3px solid var(--aula-gold);
    font: italic 14.5px/1.6 var(--font-serif); color: #5a4632; white-space: pre-line;
}
.aula-pet-testimonio small { display: block; font: 800 10px var(--font-system); letter-spacing: 1px; text-transform: uppercase; color: #8a6a2c; margin-bottom: 4px; font-style: normal; }
.aula-pet-pie { display: flex; align-items: center; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.aula-orar {
    position: relative;
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 14px; border-radius: 100px; cursor: pointer;
    border: 1.5px solid rgba(197,160,89,.5); background: #fff;
    font: 700 13px var(--font-system); color: #7a5c22;
    transition: all .25s var(--aula-ease);
}
.aula-orar:hover { background: rgba(197,160,89,.1); }
.aula-orar.is-on { background: linear-gradient(135deg, var(--aula-gold-2), var(--aula-gold)); color: var(--aula-brown-800); border-color: transparent; box-shadow: 0 8px 18px -10px rgba(197,160,89,.9); }
.aula-orar.is-on .aula-orar-ico { animation: aulaBump .5s var(--aula-ease); }
.aula-orar-n:empty { display: none; }
.aula-orar-n { min-width: 20px; padding: 1px 6px; border-radius: 100px; background: rgba(36,23,8,.1); font-size: 12px; text-align: center; }
.aula-orar-flota { position: absolute; left: 14px; top: 0; font-size: 18px; pointer-events: none; animation: aulaFlota 1s ease-out forwards; }
@keyframes aulaFlota { to { transform: translateY(-46px) scale(1.4); opacity: 0; } }
.aula-pet-animo-btn { padding: 9px 12px; border: none; background: none; cursor: pointer; border-radius: 100px; font: 600 13px var(--font-system); color: var(--color-secondary); }
.aula-pet-animo-btn:hover { background: var(--color-bg); color: var(--aula-navy); }
.aula-pet-orantes { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.aula-pet-orantes small { font-size: 12px; color: var(--color-secondary); }

.aula-pet-animos { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 10px; }
.aula-animo { position: relative; display: flex; gap: 9px; animation: aulaFade .3s var(--aula-ease) both; transition: opacity .3s; }
.aula-animo > div { flex: 1; min-width: 0; background: var(--color-bg); padding: 9px 12px; border-radius: 4px 14px 14px 14px; }
.aula-animo strong { font-size: 12.5px; color: var(--aula-navy); }
.aula-animo small { font-size: 11px; color: var(--color-secondary); }
.aula-animo p { margin: 3px 0 0; font-size: 13.5px; line-height: 1.5; white-space: pre-line; }
.aula-mini-x { position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; border-radius: 50%; border: none; background: transparent; color: var(--color-secondary); cursor: pointer; font-size: 10px; opacity: 0; transition: opacity .2s; }
.aula-animo:hover .aula-mini-x, .aula-mini-x:focus { opacity: 1; }
.aula-animo-form { display: flex; align-items: flex-end; gap: 8px; }
.aula-animo-form.is-cargando { opacity: .5; pointer-events: none; }
.aula-animo-form textarea {
    flex: 1; resize: none; min-height: 38px; padding: 9px 12px;
    border-radius: 18px; border: 1px solid rgba(0,0,0,.1); background: var(--color-bg);
    font: 14px/1.4 var(--font-system); outline: none;
}
.aula-animo-form textarea:focus { border-color: var(--aula-gold); background: #fff; }
.aula-enviar { width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%; border: none; cursor: pointer; background: var(--aula-grad); color: var(--aula-gold-2); font-size: 14px; }

/* ==========================================================
   v4 · FORO
   ========================================================== */
.aula-foro-barra { margin-bottom: 12px; }
.aula-foro-buscar {
    display: flex; align-items: center; gap: 10px;
    padding: 0 16px; border-radius: 16px; background: var(--color-surface); box-shadow: var(--shadow-card);
}
.aula-foro-buscar span { font-size: 18px; color: var(--color-secondary); }
.aula-foro-buscar input { flex: 1; border: none; outline: none; background: transparent; padding: 14px 0; font: 15px var(--font-system); color: var(--color-text); }
.aula-foro-filtro-estudio {
    display: flex; align-items: center; gap: 10px; justify-content: space-between;
    padding: 11px 14px; margin-bottom: 14px; border-radius: 14px;
    background: rgba(197,160,89,.12); border: 1px dashed rgba(197,160,89,.6); font-size: 13.5px; color: #5a4632;
}
.aula-foro-filtro-estudio[hidden] { display: none; }
.aula-foro-filtro-estudio button { width: 28px; height: 28px; border-radius: 50%; border: none; background: #fff; cursor: pointer; }
.aula-foro-lista { display: flex; flex-direction: column; gap: 10px; }
.aula-tema {
    position: relative;
    display: flex; align-items: flex-start; gap: 14px;
    width: 100%; padding: 16px 18px; text-align: left; cursor: pointer;
    border: 1px solid transparent; border-radius: 20px;
    background: var(--color-surface); box-shadow: var(--shadow-card);
    font-family: var(--font-system);
    animation: aulaFade .35s var(--aula-ease) both;
    transition: transform .25s var(--aula-ease), box-shadow .25s, border-color .25s;
}
.aula-tema:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: rgba(197,160,89,.4); }
.aula-tema.is-fijado { background: linear-gradient(135deg, #fffdf7, #fbf3e2); border-color: rgba(197,160,89,.35); }
.aula-tema.is-nuevo::before { content: ''; position: absolute; left: 7px; top: 24px; width: 7px; height: 7px; border-radius: 50%; background: #e0644c; }
.aula-tema-ico { width: 44px; height: 44px; flex-shrink: 0; border-radius: 14px; display: grid; place-items: center; font-size: 20px; background: rgba(26,42,58,.06); }
.aula-tema-cuerpo { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.aula-tema-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.aula-tema-badges em { font-style: normal; font-size: 10.5px; font-weight: 700; padding: 3px 8px; border-radius: 100px; background: rgba(197,160,89,.15); color: #7a5c22; }
.aula-tema-badges em.is-cat { background: rgba(26,42,58,.07); color: var(--aula-navy); }
.aula-tema-badges em.is-est { background: rgba(45,74,106,.1); color: var(--aula-navy-2); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aula-tema-cuerpo strong { font: 700 16.5px/1.3 var(--font-serif); color: var(--aula-navy); }
.aula-tema-extracto { font-size: 13.5px; line-height: 1.5; color: var(--color-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.aula-tema-meta { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; font-size: 12px; color: var(--color-secondary); }
.aula-tema-meta b { color: var(--aula-navy); }
.aula-tema-n:empty { display: none; }
.aula-tema-n { align-self: center; min-width: 36px; height: 36px; padding: 0 8px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; font-size: 14px; color: var(--aula-navy); background: var(--color-bg); }

/* Hilo */
.aula-hilo-inicio { padding: 24px 24px 20px; margin-bottom: 20px; border-radius: 24px; background: var(--color-surface); box-shadow: var(--shadow-card); border-top: 4px solid var(--aula-gold); }
.aula-hilo-inicio h3 { font: 700 25px/1.25 var(--font-serif); color: var(--aula-navy); margin: 10px 0 14px; }
.aula-tema-est { border: none; cursor: pointer; font: 700 10.5px var(--font-system); padding: 3px 9px; border-radius: 100px; background: rgba(45,74,106,.1); color: var(--aula-navy-2); }
.aula-hilo-autor { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-bottom: 14px; border-bottom: 1px solid var(--color-border); }
.aula-hilo-autor > div:nth-child(2) { display: flex; flex-direction: column; }
.aula-hilo-autor strong { font-size: 14px; color: var(--aula-navy); }
.aula-hilo-autor small { font-size: 12px; color: var(--color-secondary); }
.aula-hilo-tools { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.aula-hilo-tools button { padding: 7px 11px; border-radius: 100px; border: 1px solid rgba(0,0,0,.08); background: #fff; cursor: pointer; font: 600 12px var(--font-system); color: var(--aula-navy); }
.aula-hilo-tools button:hover { border-color: var(--aula-gold); }
.aula-hilo-tools .is-peligro { color: #b5533f; }
.aula-rol-chip { display: inline-block; margin-left: 6px; font: 800 9px var(--font-system); letter-spacing: .6px; text-transform: uppercase; padding: 3px 7px; border-radius: 100px; background: rgba(197,160,89,.18); color: #7a5c22; vertical-align: 2px; }
.aula-hilo-texto { margin-top: 16px; font: 400 16px/1.7 var(--font-serif); color: #2a1810; white-space: pre-line; word-wrap: break-word; }

.aula-hilo-resp { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.aula-hilo-vacio { text-align: center; color: var(--color-secondary); font-size: 14px; padding: 18px; }
.aula-resp { display: flex; gap: 10px; animation: aulaFade .3s var(--aula-ease) both; transition: opacity .3s; }
.aula-resp.is-recien .aula-resp-burbuja { box-shadow: 0 0 0 2px var(--aula-gold), var(--shadow-card); }
.aula-resp-burbuja { flex: 1; min-width: 0; padding: 12px 16px 10px; border-radius: 4px 20px 20px 20px; background: var(--color-surface); box-shadow: var(--shadow-card); transition: box-shadow .6s; }
.aula-resp.is-mia .aula-resp-burbuja { background: linear-gradient(180deg, #fbfcfe, #f1f5fa); }
.aula-resp-head { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; margin-bottom: 4px; }
.aula-resp-head strong { font-size: 13.5px; color: var(--aula-navy); }
.aula-resp-head small { font-size: 11.5px; color: var(--color-secondary); margin-left: auto; }
.aula-resp-texto { font-size: 14.5px; line-height: 1.6; color: #2f2f33; white-space: pre-line; word-wrap: break-word; }
.aula-cita { margin: 4px 0 8px; padding: 7px 11px; border-left: 3px solid rgba(197,160,89,.7); background: rgba(197,160,89,.08); border-radius: 0 10px 10px 0; font-size: 12.5px; color: #6a5a48; }
.aula-cita b { color: #7a5c22; }
.aula-resp-acc { display: flex; gap: 4px; margin-top: 8px; flex-wrap: wrap; }
.aula-resp-acc button { padding: 5px 10px; border: none; border-radius: 100px; background: transparent; cursor: pointer; font: 600 12px var(--font-system); color: var(--color-secondary); }
.aula-resp-acc button:hover { background: var(--color-bg); color: var(--aula-navy); }
.aula-resp-acc .is-peligro:hover { color: #b5533f; }
.aula-amen.is-on { background: rgba(197,160,89,.18) !important; color: #7a5c22 !important; }
.aula-hilo-cerrado { text-align: center; padding: 14px; border-radius: 14px; background: var(--color-bg); color: var(--color-secondary); font-size: 13.5px; }
.aula-hilo-form { display: flex; gap: 10px; align-items: flex-start; position: sticky; bottom: 12px; }
.aula-hilo-form-caja { flex: 1; min-width: 0; padding: 10px 12px; border-radius: 20px; background: #fff; box-shadow: 0 10px 30px -10px rgba(0,0,0,.25); border: 1px solid rgba(197,160,89,.35); }
.aula-hilo-form textarea { width: 100%; resize: none; border: none; outline: none; font: 15px/1.5 var(--font-system); color: var(--color-text); background: transparent; min-height: 48px; }
.aula-hilo-form-pie { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.aula-hilo-form-pie small { font-size: 11px; color: var(--color-secondary); }
.aula-hilo-form-pie .aula-btn { margin: 0; padding: 9px 18px; }
.aula-hilo-citando { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: #7a5c22; margin-bottom: 6px; }
.aula-hilo-citando[hidden] { display: none; }
.aula-hilo-citando button { border: none; background: rgba(197,160,89,.18); border-radius: 50%; width: 20px; height: 20px; cursor: pointer; font-size: 10px; }

/* Acceso al foro desde un estudio */
.aula-est-foro {
    width: 100%; display: flex; align-items: center; gap: 14px;
    margin: -8px 0 24px; padding: 14px 18px; border-radius: 18px; cursor: pointer; text-align: left;
    border: 1px solid rgba(45,74,106,.15); background: linear-gradient(135deg, #fbfcfe, #eef3f8);
    font-family: var(--font-system); color: var(--aula-navy);
    transition: transform .25s var(--aula-ease), box-shadow .25s;
}
.aula-est-foro:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.aula-est-foro > span:nth-child(2) { flex: 1; display: flex; flex-direction: column; }
.aula-est-foro strong { font-size: 14.5px; }
.aula-est-foro small { font-size: 12px; color: var(--color-secondary); }
.aula-est-foro-ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--aula-grad); font-size: 18px; }

@media (max-width: 600px) {
    .aula-com-hero { padding: 22px 20px 20px; }
    .aula-com-hero h3 { font-size: 21px; }
    .aula-com-cta { width: 100%; justify-content: center; }
    .aula-oracion-muro { columns: 1; }
    .aula-pet-cat { display: none; }
    .aula-hilo-inicio { padding: 20px 18px 16px; }
    .aula-hilo-inicio h3 { font-size: 21px; }
    .aula-hilo-tools { margin-left: 0; width: 100%; }
    .aula-tema { padding: 14px; gap: 11px; }
    .aula-tema-ico { width: 38px; height: 38px; font-size: 17px; }
    .aula-tema-n { display: none; }
    .aula-resp > .aula-av { display: none; }
    .aula-hilo-form > .aula-av { display: none; }
}
.aula-pet-animos[hidden] { display: none !important; }

/* Ventanas emergentes (viven fuera de .aula): campos de texto y pastillas */
.aula-campo textarea {
    width: 100%; padding: 11px 14px; resize: vertical; min-height: 96px;
    border: 1px solid rgba(0,0,0,.1); border-radius: 12px;
    background: var(--color-bg, #f5f5f7);
    font: 15px/1.5 var(--font-system); color: var(--color-text);
    outline: none; transition: border-color .2s, box-shadow .2s;
}
.aula-campo textarea:focus { border-color: #c5a059; box-shadow: 0 0 0 3px rgba(197,160,89,.18); background: #fff; }
.aula-iconos--txt span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.aula-modal .aula-btn { color: #fff; }
.aula-modal .aula-btn--ghost { color: var(--color-accent-dark, #1a2a3a); }

/* Menorá de siete brazos (icono de las tarjetas informativas) */
.aula-menora { width: 1.15em; height: 1.15em; display: inline-block; vertical-align: -0.2em; }
.aula-stat-ico--menora { color: var(--aula-gold-2); }
.aula-stat-ico--menora .aula-menora { width: 22px; height: 22px; filter: drop-shadow(0 0 6px rgba(232,201,122,.45)); }
.aula-chip .aula-menora { color: #b08a3e; width: 15px; height: 15px; }
.aula-tipo-menora { color: #c5a059; line-height: 0; }
.aula-tipo-menora .aula-menora { width: 32px; height: 32px; }
.aula-modal-menora { color: #e8c97a; line-height: 0; }
.aula-modal-menora .aula-menora { width: 24px; height: 24px; }

/* ==========================================================
   v5 · PRESENTACIONES, MAPAS MENTALES Y PDF EN LAS LECCIONES
   ========================================================== */
/* Portada en la tarjeta de la lección */
.aula-leccion-portada {
    position: relative; flex-shrink: 0; width: 220px; padding: 0; border: none; cursor: zoom-in;
    border-radius: 24px 0 0 24px; overflow: hidden; background: #1b1006;
}
.aula-leccion-portada img { width: 100%; height: 100%; min-height: 150px; object-fit: cover; display: block; transition: transform .6s var(--aula-ease), opacity .3s; }
.aula-leccion-portada.is-mapa img { object-position: left center; filter: saturate(.9); }
.aula-leccion-portada::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(20,12,4,.65)); }
.aula-leccion-portada:hover img { transform: scale(1.05); }
.aula-leccion-portada-badge {
    position: absolute; left: 12px; bottom: 12px; z-index: 1;
    font-size: 11px; font-weight: 800; letter-spacing: .4px; color: #241708;
    padding: 5px 10px; border-radius: 100px; background: linear-gradient(135deg, #e8c97a, #c5a059);
}
.aula-recurso--leccion:has(.aula-leccion-portada) { border-left: none; }

/* Visor de diapositivas */
.aula-slides { margin: 0 0 22px; }
.aula-slides-escena {
    position: relative; overflow: hidden; border-radius: 18px; background: #120b04;
    box-shadow: 0 18px 40px -18px rgba(0,0,0,.55); touch-action: pan-y; user-select: none;
}
.aula-slides-img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
.aula-slides-img.is-entra-der { animation: aulaSlideDer .35s var(--aula-ease); }
.aula-slides-img.is-entra-izq { animation: aulaSlideIzq .35s var(--aula-ease); }
@keyframes aulaSlideDer { from { opacity: .3; transform: translateX(30px); } to { opacity: 1; transform: none; } }
@keyframes aulaSlideIzq { from { opacity: .3; transform: translateX(-30px); } to { opacity: 1; transform: none; } }
.aula-slides-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
    font-size: 28px; line-height: 1; color: #241708; background: rgba(255,253,247,.9);
    box-shadow: 0 6px 18px rgba(0,0,0,.3); opacity: 0; transition: opacity .25s, transform .2s;
}
.aula-slides-nav.is-prev { left: 12px; } .aula-slides-nav.is-next { right: 12px; }
.aula-slides-escena:hover .aula-slides-nav, .aula-slides-nav:focus-visible { opacity: 1; }
.aula-slides-nav:hover { transform: translateY(-50%) scale(1.08); }
.aula-slides-nav:disabled { opacity: 0 !important; pointer-events: none; }
.aula-slides-full {
    position: absolute; top: 10px; right: 10px; width: 38px; height: 38px; border-radius: 12px; border: none; cursor: pointer;
    font-size: 17px; color: #fff; background: rgba(20,12,4,.55); backdrop-filter: blur(4px);
}
.aula-slides-n {
    position: absolute; left: 12px; bottom: 10px; padding: 4px 11px; border-radius: 100px;
    font: 600 12px var(--font-system); color: rgba(255,255,255,.85); background: rgba(20,12,4,.55); backdrop-filter: blur(4px);
}
.aula-slides-n b { color: #e8c97a; }
.aula-slides-barra { height: 3px; margin: 10px 4px 0; border-radius: 100px; background: rgba(197,160,89,.2); overflow: hidden; }
.aula-slides-barra span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #c5a059, #e8c97a); transition: width .35s var(--aula-ease); }
.aula-slides-miniaturas { display: flex; gap: 8px; overflow-x: auto; padding: 10px 2px 4px; scrollbar-width: thin; }
.aula-slides-miniaturas button {
    flex-shrink: 0; width: 92px; padding: 0; border: 2px solid transparent; border-radius: 9px; overflow: hidden; cursor: pointer;
    opacity: .55; transition: opacity .2s, border-color .2s, transform .2s; background: none;
}
.aula-slides-miniaturas button img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.aula-slides-miniaturas button:hover { opacity: .9; }
.aula-slides-miniaturas button.is-on { opacity: 1; border-color: #c5a059; transform: translateY(-2px); }
/* Pantalla completa (real o simulada en iPhone) */
.aula-slides:fullscreen, .aula-slides.is-full {
    display: flex; flex-direction: column; justify-content: center; background: #0d0803; padding: 2vh 2vw; margin: 0;
}
.aula-slides.is-full { position: fixed; inset: 0; z-index: 10005; }
.aula-slides:fullscreen .aula-slides-escena, .aula-slides.is-full .aula-slides-escena { flex: 1; display: flex; align-items: center; justify-content: center; box-shadow: none; background: transparent; }
.aula-slides:fullscreen .aula-slides-img, .aula-slides.is-full .aula-slides-img { width: auto; max-width: 100%; max-height: 100%; height: auto; }
.aula-slides:fullscreen .aula-slides-nav, .aula-slides.is-full .aula-slides-nav { opacity: 1; }
.aula-slides:fullscreen .aula-slides-miniaturas, .aula-slides.is-full .aula-slides-miniaturas { justify-content: center; }

/* Mapa mental (vista previa en la lección) */
.aula-mapa { position: relative; margin: 0 0 22px; border-radius: 18px; overflow: hidden; background: #000; box-shadow: 0 18px 40px -18px rgba(0,0,0,.55); }
.aula-mapa img { display: block; width: 100%; max-height: 420px; object-fit: cover; object-position: left top; cursor: zoom-in; transition: transform .6s var(--aula-ease); }
.aula-mapa:hover img { transform: scale(1.02); }
.aula-mapa figcaption {
    position: absolute; inset: auto 0 0 0; display: flex; justify-content: center; padding: 60px 16px 18px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.85));
}
.aula-mapa figcaption .aula-btn { background: linear-gradient(135deg, #e8c97a, #c5a059); color: #241708; }

/* Visor con zoom */
.aula-zoom {
    position: fixed; inset: 0; z-index: 10010; background: #050505;
    opacity: 0; transition: opacity .25s; font-family: var(--font-system, system-ui);
}
.aula-zoom.is-open { opacity: 1; }
.aula-zoom-lienzo { position: absolute; inset: 0; overflow: hidden; cursor: grab; touch-action: none; }
.aula-zoom-lienzo.is-arrastrando { cursor: grabbing; }
.aula-zoom-lienzo img { position: absolute; left: 0; top: 0; transform-origin: 0 0; max-width: none; user-select: none; -webkit-user-drag: none; }
.aula-zoom-barra {
    position: absolute; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); transform: translateX(-50%);
    display: flex; align-items: center; gap: 4px; padding: 6px; border-radius: 100px;
    background: rgba(30,22,12,.85); backdrop-filter: blur(8px); border: 1px solid rgba(232,201,122,.25);
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
.aula-zoom-barra button { min-width: 40px; height: 40px; padding: 0 12px; border-radius: 100px; border: none; cursor: pointer; background: transparent; color: #fff; font: 600 18px var(--font-system, system-ui); }
.aula-zoom-barra button[data-z="fit"] { font-size: 13px; color: #e8c97a; }
.aula-zoom-barra button:hover { background: rgba(255,255,255,.1); }
.aula-zoom-barra span { min-width: 54px; text-align: center; font-size: 13px; font-weight: 700; color: rgba(255,255,255,.75); font-variant-numeric: tabular-nums; }
.aula-zoom-x { position: absolute; top: max(16px, env(safe-area-inset-top)); right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); background: rgba(30,22,12,.8); color: #fff; font-size: 16px; cursor: pointer; }
.aula-zoom-ayuda { position: absolute; top: max(24px, env(safe-area-inset-top)); left: 20px; right: 80px; margin: 0; font-size: 12px; color: rgba(255,255,255,.45); pointer-events: none; }

/* PDF incrustado */
.aula-lector-pdf { margin: 0 0 14px; height: min(75vh, 820px); border-radius: 18px; overflow: hidden; background: #e9e6df; box-shadow: 0 18px 40px -18px rgba(0,0,0,.35); }
.aula-lector-pdf iframe { width: 100%; height: 100%; border: 0; }

@media (max-width: 600px) {
    .aula-leccion-portada { width: 100%; border-radius: 24px 24px 0 0; }
    .aula-leccion-portada img { height: 170px; min-height: 0; }
    .aula-recurso--leccion:has(.aula-leccion-portada) { flex-direction: column; }
    .aula-slides-nav { opacity: 1; width: 36px; height: 36px; font-size: 22px; background: rgba(255,253,247,.75); }
    .aula-slides-miniaturas button { width: 70px; }
    .aula-zoom-ayuda { display: none; }
    .aula-lector-pdf { height: 60vh; }
}
.aula-zoom-barra button { white-space: nowrap; }

/* ==========================================================
   v6 · SESIONES Y TRANSMISIONES
   ========================================================== */
.aula-est-trans {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; margin-left: 10px;
    padding: 7px 13px; border-radius: 100px; font-size: 12.5px; font-weight: 700;
    color: #fff !important; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
    transition: background .2s;
}
.aula-est-trans:hover { background: rgba(255,255,255,.18); }

/* Lista desplegable de transmisiones del estudio */
.aula-est-trans-box { display: block; margin-top: 2px; }
.aula-est-trans-box > summary { list-style: none; cursor: pointer; user-select: none; }
.aula-est-trans-box > summary::-webkit-details-marker { display: none; }
.aula-est-trans-flecha { display: inline-block; transition: transform .25s; opacity: .8; }
.aula-est-trans-box[open] .aula-est-trans-flecha { transform: rotate(180deg); }
.aula-est-trans-box[open] > summary { background: rgba(232,201,122,.2); border-color: rgba(232,201,122,.45); }
.aula-est-trans-lista {
    list-style: none; margin: 12px 0 0; padding: 8px; display: grid; gap: 4px;
    max-width: 560px; max-height: 340px; overflow: auto; overscroll-behavior: contain;
    border-radius: 18px; background: rgba(0,0,0,.25); border: 1px solid rgba(255,255,255,.1);
    animation: aulaTransAbrir .3s ease;
}
@keyframes aulaTransAbrir { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.aula-est-trans-lista a {
    display: flex; align-items: center; gap: 12px; padding: 7px; border-radius: 12px;
    color: #fff !important; text-decoration: none; transition: background .2s;
}
.aula-est-trans-lista a:hover { background: rgba(255,255,255,.1); }
.aula-est-trans-mini {
    position: relative; width: 82px; aspect-ratio: 16/9; flex-shrink: 0; border-radius: 9px;
    background: #1a2a3a center/cover no-repeat; overflow: hidden; display: grid; place-items: center;
}
.aula-est-trans-mini span {
    width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 11px;
    background: rgba(0,0,0,.55); color: #fff; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.aula-est-trans-lista a.is-visto .aula-est-trans-mini span { background: var(--aula-gold); color: var(--aula-brown-800); font-weight: 800; }
.aula-est-trans-txt { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.aula-est-trans-txt b { font-size: 13.5px; line-height: 1.3; font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.aula-est-trans-txt small { font-size: 11.5px; color: rgba(255,255,255,.6); }

.aula-sesion {
    position: relative; margin-bottom: 22px; padding: 18px 18px 8px;
    border-radius: 26px; background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.35));
    border: 1px solid rgba(197,160,89,.28);
    transition: box-shadow .4s, border-color .4s;
    scroll-margin-top: 90px;
}
.aula-sesion.is-completa { border-color: rgba(197,160,89,.7); background: linear-gradient(180deg, #fffaf0, rgba(255,250,240,.4)); }
.aula-sesion.is-destacada { box-shadow: 0 0 0 4px rgba(232,201,122,.55), var(--shadow-hover); }
.aula-sesion.is-celebra { animation: aulaPop .8s var(--aula-ease); }
.aula-sesion-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.aula-sesion-n {
    width: 46px; height: 46px; flex-shrink: 0; border-radius: 15px;
    display: grid; place-items: center; font: 700 20px var(--font-serif); color: var(--aula-gold-2);
    background: var(--aula-grad); box-shadow: 0 8px 18px -10px rgba(36,23,8,.9);
}
.aula-sesion.is-completa .aula-sesion-n { background: linear-gradient(145deg, var(--aula-gold-2), var(--aula-gold)); color: var(--aula-brown-800); font-size: 0; }
.aula-sesion.is-completa .aula-sesion-n::after { content: '✓'; font-size: 20px; font-weight: 800; }
.aula-sesion-tit { flex: 1; min-width: 180px; }
.aula-sesion-tit small { display: block; font-size: 11px; font-weight: 800; letter-spacing: .9px; text-transform: uppercase; color: #8a6a2c; }
.aula-sesion-tit h4 { margin: 2px 0 0; font: 700 19px/1.25 var(--font-serif); color: var(--aula-navy); }
.aula-sesion-prog { display: flex; align-items: center; gap: 8px; width: 150px; }
.aula-sesion-prog .aula-bar { flex: 1; }
.aula-sesion-prog small { font-size: 12px; font-weight: 800; color: var(--aula-gold); font-variant-numeric: tabular-nums; }
.aula-sesion-ed { gap: 4px; }
.aula-sesion-paso {
    display: flex; align-items: center; gap: 8px; margin: 4px 0 10px;
    font-size: 11.5px; font-weight: 800; letter-spacing: .8px; text-transform: uppercase; color: var(--color-secondary);
}
.aula-sesion-paso span { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; color: #fff; background: var(--aula-navy); letter-spacing: 0; }
.aula-sesion-videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 18px; }
.aula-sesion-vacia { margin: 0 0 14px; font-size: 13.5px; color: var(--color-secondary); }

/* Tarjeta de transmisión */
.aula-recurso--video { flex-direction: column; overflow: hidden; }
.aula-video-thumb {
    position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; border: none; cursor: pointer;
    background: var(--aula-grad); overflow: hidden; border-radius: 24px 24px 0 0;
}
.aula-video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--aula-ease); }
.aula-video-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(10,6,2,.55)); }
.aula-video-thumb:hover img { transform: scale(1.05); }
.aula-video-play {
    position: absolute; left: 50%; top: 50%; z-index: 1; transform: translate(-50%, -50%);
    width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; padding-left: 4px;
    font-size: 20px; color: #241708; background: linear-gradient(145deg, #e8c97a, #c5a059);
    box-shadow: 0 0 0 6px rgba(232,201,122,.25), 0 10px 24px rgba(0,0,0,.45);
    transition: transform .25s var(--aula-ease);
}
.aula-video-thumb:hover .aula-video-play { transform: translate(-50%, -50%) scale(1.1); }
.aula-video-dur { position: absolute; right: 10px; bottom: 10px; z-index: 1; font-size: 11.5px; font-weight: 700; color: #fff; background: rgba(0,0,0,.6); padding: 3px 8px; border-radius: 8px; }
.aula-video-visto { position: absolute; left: 10px; top: 10px; z-index: 1; display: none; font-size: 11px; font-weight: 800; color: #241708; background: linear-gradient(135deg, #e8c97a, #c5a059); padding: 4px 10px; border-radius: 100px; }
.aula-recurso--video.is-hecho .aula-video-visto { display: block; }
.aula-recurso--video .aula-recurso-body { padding: 16px 18px 18px; }
.aula-recurso--video h4 { font-size: 16px; }
.aula-chip--video { background: rgba(224,100,76,.1); color: #a84a36; }
.aula-lector-video-ens { margin: 0 0 22px; border-radius: 18px; overflow: hidden; box-shadow: 0 16px 40px -18px rgba(0,0,0,.5); }

/* Aviso "Profundiza en el Aula" (Enseñanzas) */
.aula-aviso-ens {
    position: relative; overflow: hidden;
    display: flex; align-items: center; gap: 16px; margin: 0 0 22px; padding: 18px 20px;
    border-radius: 22px; text-decoration: none !important; color: #fff !important;
    background: radial-gradient(ellipse at 90% -20%, rgba(232,201,122,.35), transparent 55%), linear-gradient(115deg, #2a1810 0%, #3a2818 35%, #1a2a3a 75%, #2d4a6a 100%);
    box-shadow: 0 16px 36px -20px rgba(26,16,6,.9);
    transition: transform .3s cubic-bezier(.22,.8,.26,1), box-shadow .3s;
}
.aula-aviso-ens:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -20px rgba(26,16,6,.95); }
.aula-aviso-ens-ico { width: 50px; height: 50px; flex-shrink: 0; border-radius: 15px; display: grid; place-items: center; font-size: 24px; background: rgba(232,201,122,.16); border: 1px solid rgba(232,201,122,.4); }
.aula-aviso-ens-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.aula-aviso-ens-txt small { font-size: 10.5px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #e8c97a; }
.aula-aviso-ens-txt strong { font: 700 17px/1.25 var(--font-serif, Georgia, serif); color: #fff; }
.aula-aviso-ens-txt span { font-size: 13px; line-height: 1.45; color: rgba(255,255,255,.72); }
.aula-aviso-ens-cta { flex-shrink: 0; padding: 10px 16px; border-radius: 100px; font-size: 13px; font-weight: 800; color: #241708; background: linear-gradient(135deg, #e8c97a, #c5a059); white-space: nowrap; }
.teaching-aula-badge {
    display: inline-flex; align-items: center; gap: 4px; margin: 2px 0 6px;
    font-size: 11px; font-weight: 800; color: #7a5c22; background: rgba(197,160,89,.16);
    padding: 3px 9px; border-radius: 100px;
}

/* Editor: lista de vídeos de una sesión */
.aula-vid-lista { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; padding: 4px; border-radius: 14px; background: var(--color-bg, #f5f5f7); }
.aula-vid-grupo { display: flex; flex-direction: column; gap: 6px; }
.aula-vid-grupo > small, .aula-vid-grupo > summary { font-size: 11px; font-weight: 800; letter-spacing: .6px; text-transform: uppercase; color: #8a6a2c; padding: 6px 6px 2px; cursor: pointer; }
.aula-vid-op { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: #fff; cursor: pointer; border: 1.5px solid transparent; transition: border-color .2s; }
.aula-vid-op:has(input:checked) { border-color: #c5a059; background: #fffaf0; }
.aula-vid-op input { width: 18px; height: 18px; accent-color: #c5a059; }
.aula-vid-op span { display: flex; flex-direction: column; }
.aula-vid-op b { font-size: 13.5px; color: #1a2a3a; }
.aula-vid-op small { font-size: 11.5px; color: var(--color-secondary); }
.aula-btn--peligro { color: #b5533f !important; align-self: flex-start; }

@media (max-width: 600px) {
    .aula-sesion { padding: 14px 12px 4px; border-radius: 22px; }
    .aula-sesion-n { width: 40px; height: 40px; font-size: 17px; border-radius: 13px; }
    .aula-sesion-tit h4 { font-size: 17px; }
    .aula-sesion-prog { width: 100%; }
    .aula-sesion-videos { grid-template-columns: 1fr; }
    .aula-est-trans { margin-left: 0; }
    .aula-aviso-ens { flex-wrap: wrap; padding: 16px; }
    .aula-aviso-ens-cta { width: 100%; text-align: center; }
}

/* ==========================================================
   v7 · VISIBILIDAD DE LOS ESTUDIOS POR ROL
   ========================================================== */
.aula-visible {
    position: absolute; right: 12px; bottom: 12px; z-index: 1;
    display: inline-flex; align-items: center; gap: 4px;
    font: 800 10px/1 var(--font-system); letter-spacing: .4px; text-transform: uppercase;
    padding: 5px 9px; border-radius: 100px; color: #fff; background: rgba(20,12,4,.72); backdrop-filter: blur(4px);
    border: 1px dashed rgba(232,201,122,.7);
}
.aula-est-hero .aula-visible { position: static; font-size: 9.5px; }
.aula-visible--maestros { background: rgba(45,74,106,.85); }
.aula-visible--admins { background: rgba(120,40,30,.85); border-color: rgba(255,200,180,.6); }
.aula-visibles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.aula-visibles label { position: relative; cursor: pointer; }
.aula-visibles input { position: absolute; opacity: 0; pointer-events: none; }
.aula-visibles span {
    display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 10px;
    padding: 11px 13px; border-radius: 14px; border: 1.5px solid rgba(0,0,0,.1); background: #fff; transition: all .2s;
}
.aula-visibles i { grid-row: span 2; font-style: normal; font-size: 20px; align-self: center; }
.aula-visibles b { font-size: 13.5px; color: #1a2a3a; }
.aula-visibles small { font-size: 11.5px; color: var(--color-secondary); line-height: 1.3; }
.aula-visibles input:checked + span { border-color: #c5a059; background: #fffaf0; box-shadow: 0 0 0 3px rgba(197,160,89,.15); }
.aula-visibles input:focus-visible + span { outline: 2px solid #c5a059; outline-offset: 2px; }
@media (max-width: 600px) { .aula-visibles { grid-template-columns: 1fr; } }
.aula-estudio-cover .aula-visible { top: 12px; bottom: auto; right: 12px; }

/* ---------- v8: Creencias ↔ estudios ---------- */
.aula-creencias-elegir { display: flex; flex-wrap: wrap; gap: 6px; }
.aula-creencias-elegir label { position: relative; cursor: pointer; }
.aula-creencias-elegir input { position: absolute; opacity: 0; pointer-events: none; }
.aula-creencias-elegir span {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: 100px;
    border: 1.5px solid rgba(0,0,0,.1); font-size: 12.5px; font-weight: 600; transition: all .2s;
}
.aula-creencias-elegir span::before { content: '＋'; font-size: 11px; opacity: .5; }
.aula-creencias-elegir input:checked + span { border-color: #c5a059; background: rgba(197,160,89,.14); color: #7a5c22; }
.aula-creencias-elegir input:checked + span::before { content: '✓'; opacity: 1; }
.aula-creencias-elegir input:focus-visible + span { outline: 2px solid #c5a059; outline-offset: 2px; }

.aula-est-creencias { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; }
.aula-est-creencias small { width: 100%; font-size: 10.5px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--aula-gold-2, #e8c97a); }
.aula-est-creencia {
    display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 100px;
    font-size: 12.5px; font-weight: 700; color: #fff !important; text-decoration: none !important;
    background: rgba(232,201,122,.14); border: 1px solid rgba(232,201,122,.35); transition: background .2s;
}
.aula-est-creencia:hover { background: rgba(232,201,122,.26); }
.aula-est-creencia span { opacity: .7; }