/* Course Player CSS */

/* Main Container */
#digital-course-player {
    background-color: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* Player Section (Left Side) */
#digital-course-player .player-section {
    padding-left: 15px;
}

/* Lesson Navigation Buttons */
#digital-course-player .lesson-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#digital-course-player .lesson-navigation button {
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

#digital-course-player .lesson-navigation button:hover:not(:disabled) {
    transform: translateX(3px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

#digital-course-player .lesson-navigation button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Lesson Title */
#digital-course-player .lesson-title {
    color: #2c3e50;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Video Container */
#digital-course-player .video-container {
    background-color: #000;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#digital-course-player .video-container iframe {
    border-radius: 10px;
}

/* Lesson Description */
#digital-course-player .lesson-description {
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    margin-top: 20px;
}

/* Lessons List Section (Right Side) */
#digital-course-player .lessons-list-section {
    background-color: white;
    border-radius: 10px;
    padding: 5px;
    height: fit-content;
}

/* Lessons Header */
#digital-course-player .lessons-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
}

#digital-course-player .lessons-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

#digital-course-player .lesson-count {
    background-color: #007bff;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* Lessons Slider Container */
#digital-course-player .lessons-slider-container {
    position: relative;
}

/* Slick Slider Customization */
#digital-course-player .lessons-slider {
    height: 100%;
}

#digital-course-player .lessons-slider .slick-list {
    height: 100% !important;
    overflow: hidden;
    padding: 10px 0 !important;
}

#digital-course-player .lessons-slider .slick-slide {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
}

#digital-course-player .lessons-slider .slick-vertical .slick-slide {
    border: none;
    height: auto !important;
}

#digital-course-player .lessons-slider .slick-track {
    position: relative;
    display: block !important;
    transform: none !important;
}

/* Lesson Item */
#digital-course-player .lesson-item {
    width: 100% !important;
    padding: 5px 0;
    cursor: pointer;
    outline: none !important;
}

#digital-course-player .lesson-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 10px;
    width: 100%;
}

#digital-course-player .lesson-card:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#digital-course-player .lesson-card.active {
    background-color: #007bff;
    border-color: #0056b3;
}

#digital-course-player .lesson-card.active .lesson-name {
    color: white;
}

/* Lesson Thumbnail */
#digital-course-player .lesson-thumbnail {
    width: 120px;
    height: 68px;
    position: relative;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    margin-left: 12px;
}

#digital-course-player .lesson-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#digital-course-player .play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#digital-course-player .lesson-card:hover .play-overlay {
    opacity: 1;
}

#digital-course-player .play-overlay i {
    color: white;
    font-size: 32px;
}

/* Lesson Info */
#digital-course-player .lesson-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#digital-course-player .lesson-name {
    font-size: 15px;
    font-weight: 500;
    color: #2c3e50;
    margin: 0 0 5px 0;
    line-height: 1.2;
}

/* Slick Arrow Customization */
#digital-course-player .slick-prev,
#digital-course-player .slick-next {
    width: 100%;
    height: 30px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(248,249,250,0.9));
    border: none;
    color: #007bff;
    font-size: 18px;
    z-index: 10;
    transition: all 0.3s ease;
}

#digital-course-player .slick-prev {
    top: -5px;
}

#digital-course-player .slick-next {
    bottom: -5px;
}

#digital-course-player .slick-prev:hover,
#digital-course-player .slick-next:hover {
    background: linear-gradient(to bottom, rgba(0,123,255,0.1), rgba(0,123,255,0.15));
    color: #0056b3;
}

#digital-course-player .slick-disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Course Progress */
#digital-course-player .course-progress {
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

#digital-course-player .course-progress .progress {
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    margin-bottom: 8px;
}

#digital-course-player .course-progress .progress-bar {
    background-color: #28a745;
    border-radius: 4px;
    transition: width 0.5s ease;
}

#digital-course-player .course-progress small {
    display: block;
    text-align: center;
    color: #6c757d;
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 991px) {
    #digital-course-player .lessons-slider-container {
        height: auto;
        max-height: 200px;
    }

    #digital-course-player .lesson-card {
        flex-direction: column;
        text-align: center;
        padding: 10px;
    }

    #digital-course-player .lesson-thumbnail {
        width: 100%;
        height: 80px;
        margin-left: 0;
        margin-bottom: 10px;
    }

    #digital-course-player .lesson-info {
        width: 100%;
    }

    #digital-course-player .slick-prev,
    #digital-course-player .slick-next {
        width: 30px;
        height: 100%;
        top: 0;
        bottom: 0;
    }

    #digital-course-player .slick-prev {
        right: auto;
        left: -25px;
    }

    #digital-course-player .slick-next {
        left: auto;
        right: -25px;
    }
}

@media (max-width: 767px) {
    #digital-course-player {
        padding: 15px;
    }

    #digital-course-player .player-section {
        padding-left: 0;
    }

    #digital-course-player .lessons-list-section {
        padding-right: 0;
        padding: 15px;
    }

    #digital-course-player .lesson-title {
        font-size: 20px;
    }

    #digital-course-player .lesson-navigation {
        flex-wrap: wrap;
        gap: 10px;
    }

    #digital-course-player .lesson-navigation button {
        flex: 1;
        min-width: 120px;
    }
}

@media (max-width: 575px) {
    #digital-course-player .lesson-card {
        padding: 8px;
    }

    #digital-course-player .lesson-thumbnail {
        height: 70px;
    }

    #digital-course-player .lesson-name {
        font-size: 13px;
    }
}

/* Loading State */
#digital-course-player .loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

#digital-course-player .loading::after {
    content: "";
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth Scrolling */
#digital-course-player * {
    scroll-behavior: smooth;
}

/* Focus States for Accessibility */
#digital-course-player button:focus,
#digital-course-player .lesson-card:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    #digital-course-player .lessons-list-section,
    #digital-course-player .lesson-navigation {
        display: none;
    }
}