/* ============================================================
   BFX3 — css/academy.css  v1.0
   Estilos específicos de academy.html
   Depende de perfil.css (variables, navbar, sidebar, etc.)
   ============================================================ */

/* ── Layout principal ─────────────────────────────────────── */
.academy-page {
    position: relative;
    z-index: 1;
    padding-top: var(--navbar-h);
    min-height: 100vh;
}

.academy-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 28px 80px;
}

/* === PAGE HEADING === */
.page-heading { margin-bottom: 24px; }
.page-heading h1 {
    font-family: var(--font-display); font-size: 26px; font-weight: 800;
    color: var(--color-text-primary); letter-spacing: -0.5px; line-height: 1.1;
}
.page-heading p { font-family: var(--font-body); font-size: 14px; color: var(--color-text-secondary); margin-top: 5px; }

/* ============================================================
   MODULE TABS
   ============================================================ */
.module-tabs {
    display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap;
}
.tab-btn {
    padding: 10px 22px; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 14px; font-weight: 500;
    cursor: pointer; border: 1px solid rgba(81,39,123,0.45);
    background: rgba(37,36,74,0.40); color: var(--color-text-secondary);
    transition: all var(--transition); white-space: nowrap;
}
.tab-btn:hover { background: rgba(245,191,93,0.08); color: var(--color-text-primary); border-color: rgba(245,191,93,0.28); }
.tab-btn.active {
    background: rgba(245,191,93,0.14); color: var(--color-action);
    border-color: rgba(245,191,93,0.38); font-weight: 600;
}
.tab-badge {
    display: inline-flex; align-items: center; justify-content: center;
    margin-left: 7px; padding: 1px 7px; border-radius: 100px;
    background: rgba(245,191,93,0.18); color: var(--color-action);
    font-family: var(--font-body); font-size: 11px; font-weight: 700;
}

/* ============================================================
   MODULE PANELS
   ============================================================ */
.module-panel { display: none; }
.module-panel.active { display: block; }

.module-header { margin-bottom: 20px; }
.module-title {
    font-family: var(--font-display); font-size: 18px; font-weight: 700;
    color: var(--color-text-primary); margin-bottom: 5px;
}
.module-desc { font-family: var(--font-body); font-size: 13px; color: var(--color-text-secondary); }

/* ============================================================
   VIDEOS GRID
   ============================================================ */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ============================================================
   VIDEO CARD
   ============================================================ */
.video-card {
    background: rgba(37,36,74,0.55);
    border: 1px solid rgba(81,39,123,0.45);
    border-radius: 14px;
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.video-card:hover {
    border-color: rgba(245,191,93,0.32);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}

/* 16:9 responsive wrapper */
.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 ratio */
    background: #0a0a0e;
    overflow: hidden;
}
.video-wrapper iframe,
.video-wrapper video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: none;
    background: #0a0a0e;
    object-fit: cover;
}

/* Botón de play (overlay) para videos locales aún no cargados */
.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%;
    background: rgba(10,10,14,0.55);
    border: none; cursor: pointer;
    color: var(--color-action);
    transition: background var(--transition);
}
.video-play-btn:hover { background: rgba(10,10,14,0.35); }
.video-play-btn svg { filter: drop-shadow(0 2px 6px rgba(0,0,0,0.45)); }

/* Overlay de bloqueo — módulos "Proximamente" */
.video-wrapper.is-locked video { pointer-events: none; }
.video-lock-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px;
    background: rgba(10,10,14,0.72);
    color: var(--color-text-secondary);
    font-family: var(--font-body); font-size: 12px; font-weight: 600;
    letter-spacing: 0.4px;
    cursor: not-allowed;
    text-align: center;
    padding: 12px;
}
.video-lock-overlay svg { opacity: 0.85; }

/* Mensaje de error si el archivo de video no está disponible */
.video-error-msg {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    padding: 12px; text-align: center;
    background: rgba(10,10,14,0.85);
    color: var(--color-text-secondary);
    font-family: var(--font-body); font-size: 12px;
}

/* ── Selector de calidad de video ─────────────────────────── */
.video-quality-btn {
    position: absolute;
    top: 8px; right: 8px; z-index: 10;
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(10,10,14,0.65);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.85);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.video-quality-btn:hover {
    background: rgba(255,140,0,0.80);
    border-color: transparent;
    color: #fff;
}
.video-quality-menu {
    position: absolute;
    top: 46px; right: 8px; z-index: 20;
    min-width: 90px;
    background: rgba(14,13,30,0.96);
    border: 1px solid rgba(81,39,123,0.5);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.video-quality-option {
    display: block; width: 100%;
    padding: 9px 14px;
    background: transparent; border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-body); font-size: 12px; font-weight: 500;
    text-align: left; cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.video-quality-option:hover { background: rgba(255,140,0,0.12); color: #ff8c00; }
.video-quality-option.active { color: #ff8c00; font-weight: 700; }
.video-quality-option.active::before { content: '✓ '; }
.video-quality-loading {
    display: block; padding: 10px 14px;
    color: var(--color-text-secondary);
    font-family: var(--font-body); font-size: 12px;
}

.video-info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.video-number {
    font-family: var(--font-body); font-size: 11px; font-weight: 600;
    color: var(--color-action); text-transform: uppercase; letter-spacing: 0.8px;
}
.video-title {
    font-family: var(--font-display); font-size: 14px; font-weight: 700;
    color: var(--color-text-primary); line-height: 1.3;
}
.video-desc {
    font-family: var(--font-body); font-size: 12px; color: var(--color-text-secondary);
    line-height: 1.5; margin-top: 2px;
}
.video-duration {
    display: inline-flex; align-items: center; gap: 4px;
    margin-top: 6px; font-family: var(--font-body); font-size: 11px;
    color: var(--color-text-secondary);
}

/* Botón "Marcar como visto" — desbloquea la siguiente lección */
.mark-watched-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    margin-top: 10px; padding: 8px 14px; width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,140,0,0.45);
    background: rgba(255,140,0,0.10);
    color: #ff8c00;
    font-family: var(--font-body); font-size: 12px; font-weight: 700;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.mark-watched-btn:hover:not(:disabled) {
    background: rgba(255,140,0,0.2);
    border-color: rgba(255,140,0,0.65);
}
.mark-watched-btn.is-watched {
    background: rgba(60,180,120,0.12);
    border-color: rgba(60,180,120,0.4);
    color: #7fe0ab;
    cursor: default;
}
.mark-watched-btn:disabled { cursor: default; }

/* ============================================================
   RESPONSIVE — Desktop · Tablet · Android · iPhone
   ============================================================ */
@media (max-width: 1200px) {
    .videos-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    .academy-inner { padding: 32px 24px 64px; }
}

@media (max-width: 768px) {
    .academy-inner { padding: 24px 20px 56px; }
    .videos-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

@media (max-width: 560px) {
    .videos-grid { grid-template-columns: 1fr; }
    .module-tabs { gap: 6px; }
    .tab-btn { padding: 9px 16px; font-size: 13px; }
    .page-heading h1 { font-size: 22px; }
}

@media (max-width: 390px) {
    .academy-inner { padding: 18px 14px 44px; }
}