/* === CSS PARA PATRON-OBSERVER-CSHARP.HTML (Página de Artículo) === */

/* --- Reseteo Básico y Fuentes Globales --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    background-color: #f8f9fa;
    color: #343a40;
    margin: 0;
    padding: 0;
}

h1, h2, h3 {
    font-family: "Georgia", "Times New Roman", Times, serif;
    font-weight: bold;
    color: #212529;
    line-height: 1.3;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: #0056b3;
    text-decoration: none;
}

/* --- Navegador del Artículo (Volver) --- */
.article-nav-header {
    background-color: #fff;
    padding: 15px 40px;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.article-nav-header .back-link {
    font-weight: bold;
    font-size: 1.1rem;
}

/* --- Contenedor del Artículo (Post) --- */
.main-article {
    max-width: 900px;
    margin: 20px auto;
    padding: 20px 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.main-article h1 { 
    font-size: 2.8rem; 
    text-align: center; 
    margin-bottom: 10px; 
}
.main-article .reading-time { 
    text-align: center; 
    font-size: 0.9rem; 
    color: #6c757d; 
    margin-bottom: 30px; 
}
.main-article h2 { 
    font-size: 2.1rem; 
    margin-top: 50px; 
    margin-bottom: 20px; 
    border-bottom: 3px solid #007bff; 
    padding-bottom: 10px; 
}
.main-article h3 { 
    font-size: 1.6rem; 
    margin-top: 30px; 
    color: #495057; 
}
.main-article p { 
    margin-bottom: 16px; 
    font-size: 1.1rem; 
}
.main-article ul, .main-article ol { 
    margin-bottom: 16px; 
    padding-left: 30px; 
}
.main-article li { 
    margin-bottom: 8px; 
}

/* --- Tabla de Contenidos --- */
.toc { 
    background: #fdfdfd; 
    border: 1px solid #e9ecef; 
    padding: 20px 30px; 
    margin-bottom: 40px; 
    border-radius: 8px; 
}
.toc h2 { 
    margin-top: 0; 
    border-bottom: none; 
    font-size: 1.8rem; 
    padding-bottom: 0; 
}
.toc ul { 
    list-style-type: none; 
    padding-left: 0; 
    margin-bottom: 0; 
}
.toc li { 
    margin-bottom: 10px; 
}
.toc a { 
    font-weight: 500; 
}

/* --- Citas (Blockquote) --- */
blockquote { 
    border-left: 5px solid #007bff; 
    background-color: #f8f9fa; 
    padding: 15px 20px; 
    margin: 20px 0; 
    font-style: italic; 
    font-size: 1.1rem; 
    color: #495057; 
}

/* --- Cajas de Información --- */
.info-box { 
    margin: 30px 0; 
    padding: 20px 30px; 
    border-radius: 8px; 
    border: 1px solid; 
}
.info-box h2 { 
    margin-top: 0; 
    border-bottom: none; 
    font-size: 1.8rem; 
    padding-bottom: 0; 
}
.warning-box { 
    background-color: #fff8e1; 
    border-color: #ffe57f; 
    color: #6d4c41; 
}
.warning-box h2 { 
    color: #ef6c00; 
}
.exercise-box { 
    background-color: #e8f5e9; 
    border-color: #a5d6a7; 
    color: #1b5e20; 
}
.exercise-box h2 { 
    color: #2e7d32; 
}

/* --- Bloques de Código (Prism.js) --- */
pre[class*="language-"] { 
    padding: 20px !important; 
    margin: 25px 0; 
    border-radius: 8px; 
    font-size: 0.95rem; 
    line-height: 1.5; 
    overflow-x: auto; 
}
code[class*="language-csharp"], 
code[class*="language-bash"] { 
    font-family: "Fira Code", "Consolas", "Monaco", monospace; 
}

/* --- Contenedor de Imagen --- */
.image-container {
    max-width: 90%;
    width: fit-content;
    margin: 25px auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* === FOOTER === */
.site-footer {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    border-top: 1px solid #e9ecef;
    font-size: 0.9rem;
    color: #6c757d;
    background-color: #fff;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .main-article {
        margin: 0;
        padding: 15px;
        border-radius: 0;
        box-shadow: none;
    }
    .main-article h1 { 
        font-size: 2.2rem; 
    }
    .main-article h2 { 
        font-size: 1.8rem; 
    }
    .article-nav-header { 
        padding: 15px 20px; 
    }
    .image-container {
        max-width: 100%;
        margin: 20px 0;
        border-radius: 0;
        box-shadow: none;
    }
}