/* Course page styles - extends style.css */

/* Course header */
.course-header {
    margin-top: 40px;
    margin-bottom: 10px;
}
.course-header h1 {
    font-size: 26px;
    font-weight: 600;
    color: #111;
    margin-bottom: 4px;
}
.course-header .course-code {
    font-size: 14px;
    color: #888;
    font-weight: 500;
}

/* Course meta info */
.course-meta {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 20px;
}
.course-meta a {
    font-weight: 500;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #888;
    margin-top: 30px;
}
.back-link:hover {
    color: #2563eb;
    text-decoration: none;
}

/* Info box */
.info-box {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 24px;
}
.info-box ul {
    margin: 0;
    padding-left: 20px;
}
.info-box li {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 6px;
    color: #444;
}
.info-box li ul {
    margin-top: 4px;
}

/* Exercise list */
.exercise-list {
    list-style: none;
    padding: 0;
}
.exercise-list > li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}
.exercise-list > li:last-child {
    border-bottom: none;
}
.exercise-title {
    font-weight: 600;
    font-size: 15px;
    color: #111;
}
.exercise-date {
    font-size: 13px;
    color: #888;
    margin-left: 4px;
}
.exercise-desc {
    font-size: 14px;
    color: #555;
    margin-top: 3px;
}
.exercise-links {
    display: flex;
    gap: 10px;
    margin-top: 5px;
    flex-wrap: wrap;
}
.exercise-links a {
    font-size: 13px;
    color: #2563eb;
}
.exercise-note {
    font-size: 13px;
    color: #888;
    margin-top: 4px;
    font-style: italic;
}

/* Resources */
.resources ul {
    padding-left: 20px;
}
.resources li {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 6px;
}