/* ============================================================
   CM5AM — Aula Virtual v1.0.0 (estilo Lecturio, paleta del logo:
   dorado #C9A844 · negro #0D1117 · blanco).
   Solo se encola en la página /aula-virtual/.
   ============================================================ */

.cm5am-aula { color: #e8e4da; }

.cm5am-aula {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 0;
    max-width: 1180px;
    margin: 1.2rem auto 3rem;
    background: #0f1420;
    border: 1px solid rgba(201, 168, 68, 0.35);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    font-size: 15px;
}
/* Marco dorado giratorio sutil alrededor del aula */
.cm5am-aula::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: conic-gradient(from 0deg, transparent 0%, rgba(201, 168, 68, 0.7) 12%, transparent 30%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    animation: cm5am-aula-spin 10s linear infinite;
    pointer-events: none;
    z-index: 5;
}
@keyframes cm5am-aula-spin { to { transform: rotate(360deg); } }

/* ---------- Sidebar ---------- */
.cm5am-aula__side {
    background: #0D1117;
    border-right: 1px solid rgba(201, 168, 68, 0.25);
    padding: 1.1rem 0.8rem 1.4rem;
}
.cm5am-aula__brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.35rem 0.6rem 1rem;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-bottom: 1px solid rgba(201, 168, 68, 0.2);
    margin-bottom: 0.8rem;
}
.cm5am-aula__brand b { color: #C9A844; }
.cm5am-aula__nav { display: flex; flex-direction: column; gap: 2px; }
.cm5am-aula__navitem {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 9px;
    color: #cfc9ba !important;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.55rem 0.65rem;
    cursor: pointer;
    text-decoration: none !important;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.cm5am-aula__navitem:hover {
    background: rgba(201, 168, 68, 0.10);
    color: #fff !important;
    transform: translateX(2px);
}
.cm5am-aula__navitem.is-on {
    background: linear-gradient(90deg, rgba(201, 168, 68, 0.22), rgba(201, 168, 68, 0.06));
    border-color: rgba(201, 168, 68, 0.45);
    color: #ffe9ad !important;
}
.cm5am-aula__navico {
    width: 1.5em;
    text-align: center;
    color: #C9A844;
    flex: none;
}
.cm5am-aula__navsep {
    margin: 0.9rem 0.65rem 0.35rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #8a8272;
}

/* ---------- Main ---------- */
.cm5am-aula__main { padding: 1.1rem 1.4rem 1.8rem; min-width: 0; }
.cm5am-aula__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid rgba(201, 168, 68, 0.18);
    margin-bottom: 1.1rem;
}
.cm5am-aula__search {
    flex: 1;
    max-width: 420px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #161c2b;
    border: 1px solid rgba(201, 168, 68, 0.35);
    border-radius: 999px;
    padding: 0.42rem 0.9rem;
}
.cm5am-aula__search input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    color: #f2eee2 !important;
    font-size: 0.92rem;
    padding: 0 !important;
}
.cm5am-aula__search input::placeholder { color: #8a8272; opacity: 1; }
.cm5am-aula__hola { color: #b8b09c; font-size: 0.9rem; white-space: nowrap; }
.cm5am-aula__hola b { color: #C9A844; }

.cm5am-aula__panel { display: none; }
.cm5am-aula__panel.is-on { display: block; animation: cm5am-aula-in 0.35s ease-out; }
@keyframes cm5am-aula-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.cm5am-aula__h {
    color: #fff !important;
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    margin: 0.2rem 0 1rem !important;
}
.cm5am-aula__h3 { color: #ffe9ad !important; font-size: 1.02rem !important; margin: 1.4rem 0 0.7rem !important; }

/* Stats */
.cm5am-aula__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}
.cm5am-aula__stat {
    background: linear-gradient(160deg, #141a29, #0f1420);
    border: 1px solid rgba(201, 168, 68, 0.3);
    border-radius: 12px;
    padding: 0.9rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.cm5am-aula__stat b { color: #C9A844; font-size: 1.5rem; line-height: 1.1; }
.cm5am-aula__stat span { color: #b8b09c; font-size: 0.82rem; }

/* Continuar viendo */
.cm5am-aula__continue { margin-top: 1.3rem; }
.cm5am-aula__continue h3 { color: #ffe9ad !important; font-size: 1rem !important; margin: 0 0 0.6rem !important; }

/* Grid de cursos */
.cm5am-aula__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 0.8rem;
}
.cm5am-aula__course {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    text-align: left;
    background: linear-gradient(160deg, #141a29, #0f1420);
    border: 1px solid rgba(201, 168, 68, 0.3);
    border-radius: 12px;
    padding: 0.95rem 1rem 1.05rem;
    cursor: pointer;
    color: #e8e4da;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.cm5am-aula__course:hover {
    transform: translateY(-3px);
    border-color: #C9A844;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 14px rgba(201, 168, 68, 0.25);
}
.cm5am-aula__course-ico {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: rgba(201, 168, 68, 0.15);
    color: #C9A844;
    border: 1px solid rgba(201, 168, 68, 0.4);
    font-size: 0.8rem;
}
.cm5am-aula__course-name { font-weight: 600; color: #fff; line-height: 1.3; }
.cm5am-aula__course-n { font-size: 0.8rem; color: #b8b09c; }
.cm5am-aula__course-bar {
    width: 100%;
    height: 5px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
    margin-top: 0.3rem;
}
.cm5am-aula__course-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 5px;
    background: linear-gradient(90deg, #C9A844, #ffe9ad);
    transition: width 0.6s ease;
}

/* Videoteca: acordeones por curso */
.cm5am-aula__acc {
    background: #10141f;
    border: 1px solid rgba(201, 168, 68, 0.25);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.cm5am-aula__acc summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    padding: 0.85rem 1.1rem;
    color: #fff;
    font-weight: 600;
}
.cm5am-aula__acc summary::-webkit-details-marker { display: none; }
.cm5am-aula__acc summary::after { content: '▾'; color: #C9A844; transition: transform 0.2s ease; }
.cm5am-aula__acc[open] summary::after { transform: rotate(180deg); }
.cm5am-aula__acc summary small { color: #b8b09c; font-weight: 400; }
.cm5am-aula__acc[open] summary { border-bottom: 1px solid rgba(201, 168, 68, 0.18); }
.cm5am-aula__soon { color: #8a8272 !important; padding: 0.8rem 1.1rem; margin: 0 !important; font-size: 0.9rem; }

.cm5am-aula__list { list-style: none; margin: 0 !important; padding: 0.35rem 0.5rem 0.5rem !important; }
.cm5am-aula__list li { margin: 0 !important; }
.cm5am-aula__lesson {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.6rem 0.7rem;
    cursor: pointer;
    color: #e8e4da;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.cm5am-aula__lesson:hover { background: rgba(201, 168, 68, 0.08); border-color: rgba(201, 168, 68, 0.35); }
.cm5am-aula__play {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.68rem;
    color: #0D1117;
    background: linear-gradient(135deg, #C9A844, #ffe9ad);
    box-shadow: 0 0 10px rgba(201, 168, 68, 0.35);
}
.cm5am-aula__lesson-t { flex: 1; min-width: 0; font-weight: 500; color: #f2eee2; line-height: 1.3; }
.cm5am-aula__lesson-t small { display: block; color: #8a8272; font-size: 0.78rem; margin-top: 1px; }
.cm5am-aula__lesson-meta { display: flex; align-items: center; gap: 0.6rem; flex: none; }
.cm5am-aula__dur { color: #b8b09c; font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.cm5am-aula__seen {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.68rem;
    color: transparent;
    border: 1.5px solid rgba(201, 168, 68, 0.4);
    transition: all 0.2s ease;
}
.cm5am-aula__lesson.is-vista .cm5am-aula__seen {
    color: #0D1117;
    background: #C9A844;
    border-color: #C9A844;
}
.cm5am-aula__lesson.is-oculta { display: none; }

/* Estado vacío */
.cm5am-aula__empty {
    text-align: center;
    border: 1.5px dashed rgba(201, 168, 68, 0.45);
    border-radius: 14px;
    padding: 2.2rem 1.5rem;
    margin-bottom: 1.1rem;
    background: rgba(201, 168, 68, 0.04);
}
.cm5am-aula__empty div { font-size: 2rem; }
.cm5am-aula__empty h3 { color: #ffe9ad !important; margin: 0.5rem 0 0.4rem !important; font-size: 1.05rem !important; }
.cm5am-aula__empty p { color: #b8b09c !important; max-width: 560px; margin: 0 auto !important; font-size: 0.92rem; }
.cm5am-aula__empty b { color: #C9A844; }

/* ---------- Modal reproductor ---------- */
.cm5am-aula-modal { position: fixed; inset: 0; z-index: 99999; }
.cm5am-aula-modal[hidden] { display: none; }
.cm5am-aula-modal__back {
    position: absolute;
    inset: 0;
    background: rgba(5, 7, 12, 0.88);
    backdrop-filter: blur(4px);
}
.cm5am-aula-modal__box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(960px, 94vw);
    background: #0D1117;
    border: 1px solid rgba(201, 168, 68, 0.5);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.7), 0 0 40px rgba(201, 168, 68, 0.15);
    animation: cm5am-aula-in 0.25s ease-out;
}
.cm5am-aula-modal__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 1rem;
    color: #ffe9ad;
    font-weight: 600;
    border-bottom: 1px solid rgba(201, 168, 68, 0.25);
}
.cm5am-aula-modal__x {
    background: transparent;
    border: 1px solid rgba(201, 168, 68, 0.4);
    color: #C9A844;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    transition: all 0.15s ease;
}
.cm5am-aula-modal__x:hover { background: #C9A844; color: #0D1117; }
.cm5am-aula-modal__frame { aspect-ratio: 16 / 9; background: #000; }
.cm5am-aula-modal__frame iframe,
.cm5am-aula-modal__frame video {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}
.cm5am-aula-modal__frame .cm5am-aula__novideo {
    display: grid;
    place-items: center;
    height: 100%;
    color: #b8b09c;
    padding: 1rem;
    text-align: center;
}

/* ---------- Lock (no miembro) ---------- */
.cm5am-aula-lock { display: grid; place-items: center; padding: 3rem 1rem; }
.cm5am-aula-lock__card {
    max-width: 560px;
    text-align: center;
    background: #0f1420;
    border: 1px solid rgba(201, 168, 68, 0.4);
    border-radius: 16px;
    padding: 2.4rem 2rem;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
}
.cm5am-aula-lock__icon { font-size: 2.4rem; margin-bottom: 0.6rem; }
.cm5am-aula-lock__card h2 { color: #fff !important; font-size: 1.3rem !important; margin: 0 0 0.6rem !important; }
.cm5am-aula-lock__card p { color: #b8b09c !important; }
.cm5am-aula-lock__cta { display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap; margin-top: 1.2rem !important; }
.cm5am-aula-btn {
    display: inline-block;
    border-radius: 9px;
    padding: 0.7rem 1.3rem;
    font-weight: 700;
    text-decoration: none !important;
    transition: all 0.2s ease;
}
.cm5am-aula-btn--gold { background: linear-gradient(135deg, #C9A844, #ffe9ad); color: #0D1117 !important; }
.cm5am-aula-btn--gold:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(201, 168, 68, 0.4); }
.cm5am-aula-btn--ghost { border: 1px solid rgba(201, 168, 68, 0.5); color: #C9A844 !important; }
.cm5am-aula-btn--ghost:hover { background: rgba(201, 168, 68, 0.12); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .cm5am-aula { grid-template-columns: 1fr; margin: 0.6rem 0.4rem 2rem; }
    .cm5am-aula__side { border-right: none; border-bottom: 1px solid rgba(201, 168, 68, 0.25); padding-bottom: 0.9rem; }
    .cm5am-aula__nav { flex-direction: row; flex-wrap: wrap; }
    .cm5am-aula__navsep { width: 100%; margin: 0.5rem 0.4rem 0.2rem; }
    .cm5am-aula__navitem { width: auto; }
    .cm5am-aula__topbar { flex-direction: column; align-items: stretch; }
    .cm5am-aula__hola { text-align: right; }
    .cm5am-aula__stats { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .cm5am-aula::before { animation: none; }
    .cm5am-aula__panel.is-on { animation: none; }
}