/* ==========================================================================
   AULA DEL CURSO — acceso por token, módulos con player + progreso local
   ========================================================================== */

/* ===================== GATE (sin acceso) ===================== */
.aula-gate {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
    background: var(--color-primary-bg);
}
.aula-gate__container {
    max-width: 56rem;
    text-align: center;
}
.aula-gate__eyebrow {
    display: inline-flex;
    padding: 0.6rem 1.4rem;
    background: var(--color-primary);
    border-radius: 999px;
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #fff;
    margin-bottom: 2rem;
}
.aula-gate h1 {
    font-family: var(--font-secondary), sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-dark);
    margin: 0 0 1.6rem;
    letter-spacing: -0.02em;
}
.aula-gate p {
    font-size: 1.6rem;
    line-height: 1.55;
    color: #4a6b7c;
    margin: 0 0 1.4rem;
}
.aula-gate__cta {
    margin-top: 1.8rem;
    background: var(--color-dark) !important;
    color: #fff !important;
    border: none !important;
    padding: 1.4rem 3rem !important;
    border-radius: 999px !important;
    font-weight: 600 !important;
}

/* ===================== HERO ===================== */
.aula-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark-alt) 100%);
    color: #fff;
    padding: 5rem 0 4rem;
}
.aula-hero__container {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
    align-items: center;
}
.aula-hero__eyebrow {
    display: inline-flex;
    padding: 0.6rem 1.4rem;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 999px;
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #fff;
    margin-bottom: 1.6rem;
}
.aula-hero__title {
    font-family: var(--font-secondary), sans-serif;
    font-size: 4.4rem;
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin: 0 0 1.4rem;
    letter-spacing: -0.02em;
}
.aula-hero__subtitle {
    font-size: 1.6rem;
    line-height: 1.55;
    color: rgba(255,255,255,0.85);
    margin: 0;
    max-width: 56rem;
}
.aula-hero__progress {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 1.4rem;
    padding: 2rem 2.2rem;
}
.aula-hero__progress-label {
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.7);
    margin-bottom: 1rem;
}
.aula-hero__progress-bar {
    width: 100%;
    height: 1rem;
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.aula-hero__progress-fill {
    display: block;
    height: 100%;
    background: var(--color-secondary);
    border-radius: 999px;
    transition: width .4s ease;
}
.aula-hero__progress-text {
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: #fff;
}

/* ===================== LISTA DE MÓDULOS ===================== */
.aula-modulos { padding: 4rem 0 6rem; background: var(--color-bg); }
.aula-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 1.2rem; }

.aula-modulo {
    background: #fff;
    border: 1.5px solid var(--color-primary-lighter);
    border-radius: 1.4rem;
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease;
}
.aula-modulo.is-open { border-color: var(--color-primary); box-shadow: 0 1.4rem 4rem rgba(0,160,173,.12); }
.aula-modulo.is-done { border-left: 4px solid var(--color-primary); }
.aula-modulo.is-done .aula-modulo__check { color: var(--color-primary); opacity: 1; }

.aula-modulo__head {
    width: 100%;
    background: transparent;
    border: none;
    padding: 2rem 2.4rem;
    display: flex;
    align-items: center;
    gap: 1.8rem;
    cursor: pointer;
    text-align: left;
    transition: background .2s ease;
}
.aula-modulo__head:hover { background: var(--color-primary-bg); }

.aula-modulo__num {
    flex-shrink: 0;
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-primary);
    min-width: 7.4rem;
}
.aula-modulo__meta { flex: 1; min-width: 0; }
.aula-modulo__title {
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 0.4rem;
    line-height: 1.3;
}
.aula-modulo__duration {
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-light);
}
.aula-modulo__check {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-lighter);
    flex-shrink: 0;
    opacity: 0.5;
    transition: all .25s ease;
}
.aula-modulo.is-done .aula-modulo__check { background: var(--color-primary); color: #fff; }
.aula-modulo__chevron {
    flex-shrink: 0;
    color: var(--color-primary);
    transition: transform .25s ease;
}
.aula-modulo.is-open .aula-modulo__chevron { transform: rotate(180deg); }

.aula-modulo__body {
    padding: 0 2.4rem 2.4rem;
    border-top: 1px solid var(--color-primary-lighter);
    margin-top: 0;
    padding-top: 2.4rem;
}
.aula-modulo__body[hidden] { display: none; }

.aula-modulo__player {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-dark);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 1.8rem;
    position: relative;
}
.aula-modulo__player iframe { width: 100%; height: 100%; border: 0; display: block; }

.aula-modulo__placeholder {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: var(--color-dark-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.aula-modulo__placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(31,94,121,0.78);
}
.aula-modulo__placeholder-msg {
    position: relative;
    text-align: center;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}
.aula-modulo__placeholder-msg svg { color: rgba(255,255,255,0.55); }
.aula-modulo__placeholder-msg strong {
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
}
.aula-modulo__placeholder-msg span {
    font-size: 1.35rem;
    color: rgba(255,255,255,0.8);
}

.aula-modulo__info {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.aula-modulo__desc {
    font-size: 1.5rem;
    line-height: 1.55;
    color: #4a6b7c;
    margin: 0;
    flex: 1;
    min-width: 26rem;
}
.aula-modulo__mark {
    background: var(--color-primary-bg);
    border: 1.5px solid var(--color-primary-lighter);
    border-radius: 999px;
    padding: 1rem 1.8rem;
    font-family: var(--font-secondary), sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: all .2s ease;
    flex-shrink: 0;
}
.aula-modulo__mark:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.aula-modulo.is-done .aula-modulo__mark { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.aula-help {
    margin-top: 3rem;
    text-align: center;
    padding: 2rem;
    background: var(--color-primary-bg);
    border-radius: 1.2rem;
    font-size: 1.4rem;
    color: #4a6b7c;
}
.aula-help p { margin: 0; line-height: 1.55; }
.aula-help a { color: var(--color-primary); font-weight: 600; }

@media (max-width: 768px) {
    .aula-hero { padding: 3rem 0; }
    .aula-hero__container { grid-template-columns: 1fr; gap: 2rem; }
    .aula-hero__title { font-size: 2.8rem; }
    .aula-hero__subtitle { font-size: 1.5rem; }
    .aula-modulo__head { padding: 1.6rem 1.8rem; gap: 1.2rem; }
    .aula-modulo__num { min-width: 0; font-size: 1.05rem; }
    .aula-modulo__title { font-size: 1.55rem; }
    .aula-modulo__check { display: none; }
    .aula-modulo__body { padding: 1.6rem 1.8rem 2rem; padding-top: 1.6rem; }
    .aula-modulo__info { flex-direction: column; }
    .aula-gate h1 { font-size: 2.8rem; }
}