/* ==========================================================================
   FT Courses Manager — Aula (pantalla completa)
   ========================================================================== */

.ftc-aula-body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f7f8f9;
    font-family: var(--ft-font-body, 'Lato', sans-serif);
    color: #333;
}

/* --- Barra superior --- */
.ftc-aula-top {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 22px;
    height: 62px;
    background: var(--ft-color-primary, #0D1B2A);
    color: #fff;
    flex-shrink: 0;
}

.ftc-aula-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
    min-width: 0;
    transition: color 0.2s ease;
}
.ftc-aula-back:hover { color: var(--ft-color-secondary, #C6A64D); }
.ftc-aula-back span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ftc-aula-back svg { flex-shrink: 0; }

.ftc-aula-progreso {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}
.ftc-aula-progreso-track {
    display: block;
    width: 150px;
    height: 6px;
    border-radius: 20px;
    background: rgba(255,255,255,0.2);
    overflow: hidden;
}
.ftc-aula-progreso-fill {
    display: block;
    height: 100%;
    background: var(--ft-color-secondary, #C6A64D);
    border-radius: 20px;
    transition: width 0.35s ease;
}
.ftc-aula-progreso-txt { font-size: 0.8rem; color: rgba(255,255,255,0.85); white-space: nowrap; }

.ftc-aula-preview-tag {
    margin-left: auto;
    padding: 5px 14px;
    border-radius: 20px;
    background: var(--ft-color-secondary, #C6A64D);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.ftc-aula-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
}

/* --- Estructura --- */
.ftc-aula-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    flex: 1;
    min-height: 0;
}

.ftc-aula-main { min-width: 0; background: #fff; }

/* --- Reproductor --- */
.ftc-aula-player {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}
.ftc-aula-player iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.ftc-aula-sinvideo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
}

/* --- Info de la clase --- */
.ftc-aula-info { padding: 26px 32px 40px; }

.ftc-aula-modulo {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--ft-color-secondary, #C6A64D);
    margin-bottom: 8px;
}

.ftc-aula-titulo {
    font-family: var(--ft-font-heading, 'Playfair Display', serif);
    font-size: 1.65rem;
    line-height: 1.3;
    color: var(--ft-color-primary, #0D1B2A);
    margin: 0 0 22px;
}

.ftc-aula-acciones {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.ftc-aula-nav { display: flex; gap: 10px; }

/* --- Botones --- */
.ftc-aula-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 4px;
    border: 2px solid transparent;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.ftc-aula-btn-check {
    background: transparent;
    border-color: var(--ft-color-primary, #0D1B2A);
    color: var(--ft-color-primary, #0D1B2A);
}
.ftc-aula-btn-check:hover {
    background: var(--ft-color-primary, #0D1B2A);
    color: #fff;
}
.ftc-aula-btn-check.ftc-completa {
    background: var(--ft-color-secondary, #C6A64D);
    border-color: var(--ft-color-secondary, #C6A64D);
    color: #fff;
}

.ftc-aula-btn-primary {
    background: var(--ft-color-secondary, #C6A64D);
    border-color: var(--ft-color-secondary, #C6A64D);
    color: #fff;
}
.ftc-aula-btn-primary:hover {
    background: var(--ft-color-primary, #0D1B2A);
    border-color: var(--ft-color-primary, #0D1B2A);
}

.ftc-aula-btn-ghost {
    background: #f2f3f4;
    color: var(--ft-color-primary, #0D1B2A);
}
.ftc-aula-btn-ghost:hover { background: #e6e8ea; }

/* --- Barra lateral (temario) --- */
.ftc-aula-side {
    background: #fff;
    border-left: 1px solid #e6e6e6;
    overflow-y: auto;
    max-height: calc(100vh - 62px);
    position: sticky;
    top: 62px;
}

.ftc-aula-side-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 20px 22px;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 2;
}
.ftc-aula-side-head h2 {
    font-family: var(--ft-font-heading, 'Playfair Display', serif);
    font-size: 1.05rem;
    color: var(--ft-color-primary, #0D1B2A);
    margin: 0;
}
.ftc-aula-side-head span { font-size: 0.78rem; color: #999; white-space: nowrap; }

.ftc-aula-mod { border-bottom: 1px solid #f0f0f0; }

.ftc-aula-mod-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 15px 22px;
    background: #fafbfb;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}
.ftc-aula-mod-head:hover { background: #f3f5f6; }

.ftc-aula-mod-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ft-color-primary, #0D1B2A);
}

.ftc-aula-mod-arrow {
    width: 7px; height: 7px;
    border-right: 2px solid #999;
    border-bottom: 2px solid #999;
    transform: rotate(45deg);
    transition: transform 0.25s ease;
    flex-shrink: 0;
    margin-top: -3px;
}
.ftc-aula-mod.ftc-open .ftc-aula-mod-arrow { transform: rotate(225deg); margin-top: 2px; }

.ftc-aula-mod-body { display: none; list-style: none; margin: 0; padding: 0; }
.ftc-aula-mod.ftc-open .ftc-aula-mod-body { display: block; }

.ftc-aula-clase { border-bottom: 1px solid #f5f5f5; }
.ftc-aula-clase:last-child { border-bottom: none; }

.ftc-aula-clase-link {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    padding: 13px 22px;
    text-decoration: none;
    color: #555;
    font-size: 0.86rem;
    line-height: 1.45;
    transition: background 0.15s ease;
}
a.ftc-aula-clase-link:hover { background: #f7f9fa; color: var(--ft-color-primary, #0D1B2A); }

.ftc-aula-clase.ftc-actual .ftc-aula-clase-link {
    background: #f0f4f7;
    color: var(--ft-color-primary, #0D1B2A);
    font-weight: 700;
    box-shadow: inset 3px 0 0 var(--ft-color-secondary, #C6A64D);
}

.ftc-aula-clase.ftc-bloqueada .ftc-aula-clase-link { color: #aaa; cursor: not-allowed; }

.ftc-aula-clase-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1px solid #d8d8d8;
    color: #b0b0b0;
    flex-shrink: 0;
    margin-top: 1px;
}
.ftc-aula-clase-icon.ftc-completa {
    background: var(--ft-color-secondary, #C6A64D);
    border-color: var(--ft-color-secondary, #C6A64D);
    color: #fff;
}

.ftc-aula-clase-txt { flex: 1; min-width: 0; }
.ftc-aula-clase-dur { font-size: 0.75rem; color: #aaa; flex-shrink: 0; margin-top: 2px; }

.ftc-aula-free {
    display: inline-block;
    margin-left: 7px;
    padding: 1px 8px;
    border-radius: 20px;
    background: var(--ft-color-secondary, #C6A64D);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .ftc-aula-layout { grid-template-columns: 1fr; }

    .ftc-aula-toggle { display: flex; }

    .ftc-aula-progreso-track { width: 90px; }
    .ftc-aula-progreso-txt { display: none; }

    .ftc-aula-side {
        display: none;
        position: static;
        max-height: none;
        border-left: none;
        border-top: 1px solid #e6e6e6;
    }
    .ftc-aula-side.ftc-abierta { display: block; }
}

@media (max-width: 600px) {
    .ftc-aula-top { padding: 0 14px; gap: 12px; }
    .ftc-aula-info { padding: 20px 18px 34px; }
    .ftc-aula-titulo { font-size: 1.3rem; }
    .ftc-aula-acciones { flex-direction: column; align-items: stretch; }
    .ftc-aula-nav { justify-content: space-between; }
    .ftc-aula-btn { justify-content: center; }
}