/* --- DRUPAL LESSON STYLES --- */
/* Add this file to your theme's .libraries.yml file */

/* --- 1. Basic & Layout --- */

/* * Use a class like .lesson-container on your main node 
 * or content wrapper to apply these styles.
 */
.lesson-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    background-color: #ffffff;
    color: #333;
    direction: rtl; /* Default to RTL, as requested */
    max-width: 850px;
    margin: 25px auto;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* --- 2. Typography & Links --- */
.lesson-container h1 {
    color: #005a9c; /* Dark Blue */
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
    font-size: 2.2em;
}
.lesson-container h2 {
    color: #007bff; /* Bright Blue */
    margin-top: 40px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    font-size: 1.8em;
}
.lesson-container h3 {
    color: #343a40; /* Soft Black */
    margin-top: 25px;
    font-size: 1.4em;
}
.lesson-container h4 {
    margin-top: 0;
    color: #007bff;
}

.lesson-container p, 
.lesson-container li {
    font-size: 1.1em;
    color: #444;
}
.lesson-container ul, 
.lesson-container ol {
    margin-right: 20px;
    padding-right: 15px;
}
.lesson-container ul li {
    list-style-type: '🌟'; /* Custom bullet */
    padding-right: 10px;
    margin-bottom: 10px;
}

/* --- 3. Table of Contents (TOC) --- */
.lesson-container .toc {
    background-color: #f4f8ff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e0e9ff;
}
.lesson-container .toc h3 {
    margin-top: 0;
    color: #005a9c;
}
.lesson-container .toc ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.lesson-container .toc li {
    list-style-type: none;
    margin-bottom: 0;
    padding-right: 0; /* Override default li */
}
.lesson-container .toc li a {
    text-decoration: none;
    color: #005a9c;
    font-weight: bold;
    padding: 8px 14px;
    background-color: #e9f5ff;
    border-radius: 20px;
    transition: all 0.3s ease;
    display: inline-block;
}
.lesson-container .toc li a:hover {
    background-color: #007bff;
    color: #fff;
    transform: translateY(-2px);
}

/* --- 4. Tables --- */
.lesson-container table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden; 
}
.lesson-container th, 
.lesson-container td {
    border: 1px solid #ddd;
    padding: 14px;
    text-align: right;
    vertical-align: middle;
}
.lesson-container th {
    background-color: #f7faff;
    color: #005a9c;
    font-size: 1.1em;
}
.lesson-container tbody tr:nth-child(even) {
    background-color: #fcfcfc;
}

/* --- 5. Code & Exercises --- */
.lesson-container code {
    font-family: "Courier New", Courier, monospace;
    background-color: #eef;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 1.05em;
    color: #1a1a1a;
    direction: ltr; /* LTR for code snippets */
    display: inline-block;
}

.lesson-container .exercise {
    background-color: #fffaf0;
    border: 1px solid #ffeac4;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}
.lesson-container .exercise ol li {
    font-size: 1.2em;
    margin-bottom: 15px;
    line-height: 1.8;
    list-style-type: decimal;
    padding-right: 5px;
}

/* --- 6. Interactive Elements (Details/Summary) --- */
.lesson-container details > summary {
    cursor: pointer;
    color: #005a9c;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 15px;
    padding: 10px;
    background-color: #f4f8ff;
    border-radius: 5px;
    transition: background-color 0.3s;
}
.lesson-container details > summary:hover {
    background-color: #e9f5ff;
}
.lesson-container .exercise-answers {
    background-color: #fdfdfd;
    border: 1px solid #eee;
    padding: 15px;
    border-radius: 5px;
    margin-top: 10px;
}