/* ═══════════════════════════════════════════════════════════
   CEJILLA - Sistema de pestañas colapsables
   Compatible con el diseño TEC del curso de Probabilidad
   ═══════════════════════════════════════════════════════════ */
/* cejilla.css - Estilos para el botón desplegable */
.cejilla-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 1.1rem;
    background: none;
    border: 1px solid var(--tec-rule, #d4cfc9);
    border-radius: 4px;
    cursor: pointer;
    font-family: 'DM Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tec-accent, #1a4f8a);
    text-align: left;
    transition: background 0.2s, border-color 0.2s;
    margin: 0.5rem 0;
}

.cejilla-toggle:hover {
    background: rgba(26, 79, 138, 0.07);
    border-color: var(--tec-gold, #c8922a);
}

.cejilla-icon {
    display: inline-block;
    transition: transform 0.22s;
    font-size: 0.6rem;
}

.cejilla-toggle[aria-expanded="true"] .cejilla-icon {
    transform: rotate(90deg);
}

.cejilla-content {
    margin: 0 0 1rem 0;
    padding: 1rem 1.1rem 1.2rem;
    border: 1px solid var(--tec-rule, #d4cfc9);
    border-top: none;
    border-radius: 0 0 6px 6px;
    background: var(--tec-info-bg, #eef3fb);
    transition: all 0.2s ease;
}

.cejilla-content[hidden] {
    display: none;
}

/* Estilos para el contenido interno */
.cejilla-content h3 {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--tec-gold, #c8922a);
    margin: 0 0 0.65rem 0;
}

.cejilla-content h4 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem 0;
    color: var(--tec-ink, #0d1117);
}

.cejilla-content p {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.cejilla-content ul, 
.cejilla-content ol {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.cejilla-content li {
    margin: 0.25rem 0;
    line-height: 1.6;
}

.cejilla-content .math {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
}

/* Estilos para modo oscuro (si existe) */
@media (prefers-color-scheme: dark) {
    .cejilla-toggle {
        --tec-rule: #1e2d3d;
        --tec-accent: #4a9ade;
        --tec-gold: #e8b84b;
    }
    
    .cejilla-content {
        --tec-rule: #1e2d3d;
        --tec-info-bg: #0f2035;
        --tec-ink: #e4dfd8;
        --tec-gold: #e8b84b;
    }
}