.container {
    max-width: 1200px;
}

.book-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    padding: 15px;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.book-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.book-card:hover img {
    transform: scale(1.05);
}

.book-card-body {
    padding: 10px;
}

.book-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
    margin: 10px 0;
}

.book-author {
    font-size: 0.9rem;
    color: #777;
}

.book-button {
    display: inline-block;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    border-radius: 25px;
    transition: background 0.3s ease, transform 0.2s ease;
}

.book-button:hover {
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    transform: scale(1.05);
}


/** new css/*/


    custom-body {
 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.video-wrapper {
    display: flex;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 20px;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.video-card {
    background-color: #fff;
    padding: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

h3 {
    margin: 10px 0 5px;
    font-size: 20px;
    color: #333;
    font-weight: 600;
}

p {
    font-size: 18px;
    /*color: #666;*/
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .video-card {
        flex: 1 1 calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .video-card {
        flex: 1 1 100%;
    }
}






/*mergin*/

body-mergin {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.quiz-container {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    width: 1000px;
}

.quiz-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fafafa;
}

.quiz-item a {
    text-decoration: none;
    color: #007BFF;
    font-weight: bold;
}

.quiz-item a:hover {
    text-decoration: underline;
}

.quiz-status {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9em;
    font-weight: bold;
}

.completed {
    background-color: #28a745;
    color: white;
}

h4 {
    text-align: center;
    color: #333;
}

ol {
    padding-left: 20px;
}

ol li {
    margin: 5px 0;
    font-size: 16px;
}

ol li a {
   color: #007BFF;
    text-decoration: none;
}

ol li a:hover {
    text-decoration: underline;
}


        
        
        
        
        /*kahdsasd*/
      
    /* t-body {*/
    /*    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;*/
    /*    background-color: #f0f4f8;*/
    /*    color: #2d3748;*/
    /*    margin: 0;*/
    /*    padding: 20px;*/
    /*}*/

    /*h1 {*/
    /*    color: #2c5282;*/
    /*    text-align: center;*/
    /*    margin-bottom: 30px;*/
    /*    font-size: 2.5rem;*/
    /*    font-weight: 600;*/
    /*}*/

    /*form {*/
    /*    max-width: 800px;*/
    /*    margin: 0 auto;*/
    /*    background: #ffffff;*/
    /*    padding: 25px;*/
    /*    border-radius: 12px;*/
    /*    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);*/
    /*}*/

    /*.error-messages {*/
    /*    background-color: #fff5f5;*/
    /*    padding: 15px;*/
    /*    border-radius: 8px;*/
    /*    margin-bottom: 20px;*/
    /*    border: 1px solid #fed7d7;*/
    /*}*/

    /*.error-messages ul {*/
    /*    list-style-type: none;*/
    /*    padding: 0;*/
    /*    margin: 0;*/
    /*}*/

    /*.error-messages li {*/
    /*    color: #e53e3e;*/
    /*    font-size: 14px;*/
    /*    margin-bottom: 5px;*/
    /*}*/

    /*.question {*/
    /*    margin-bottom: 20px;*/
    /*    padding: 20px;*/
    /*    background-color: #edf2f7;*/
    /*    border-radius: 8px;*/
    /*    border: 1px solid #cbd5e0;*/
    /*    transition: background-color 0.3s ease;*/
    /*}*/

    /*.question:hover {*/
    /*    background-color: #e2e8f0;*/
    /*}*/

    /*.question h3 {*/
    /*    margin-top: 0;*/
    /*    color: #2d3748;*/
    /*    font-size: 1.25rem;*/
    /*    font-weight: 500;*/
    /*}*/

    /*.question label {*/
    /*    display: block;*/
    /*    margin: 10px 0;*/
    /*    font-size: 1rem;*/
    /*    color: #4a5568;*/
    /*    cursor: pointer;*/
    /*}*/

    /*.question input[type="radio"] {*/
    /*    margin-right: 10px;*/
    /*    cursor: pointer;*/
    /*}*/

    /*button[type="submit"] {*/
    /*    background-color: #4299e1;*/
    /*    color: white;*/
    /*    border: none;*/
    /*    padding: 12px 24px;*/
    /*    font-size: 1rem;*/
    /*    border-radius: 8px;*/
    /*    cursor: pointer;*/
    /*    transition: background-color 0.3s ease;*/
    /*    display: block;*/
    /*    width: 100%;*/
    /*    max-width: 200px;*/
    /*    margin: 20px auto 0;*/
    /*}*/

    /*button[type="submit"]:hover {*/
    /*    background-color: #3182ce;*/
    /*}*/

    /* Radio buttonlarni stilizatsiya qilish */
    /*.question input[type="radio"] {*/
    /*    appearance: none;*/
    /*    width: 16px;*/
    /*    height: 16px;*/
    /*    border: 2px solid #cbd5e0;*/
    /*    border-radius: 50%;*/
    /*    outline: none;*/
    /*    transition: border-color 0.3s ease;*/
    /*}*/

    /*.question input[type="radio"]:checked {*/
    /*    border-color: #4299e1;*/
    /*    background-color: #4299e1;*/
    /*}*/

    /*.question input[type="radio"]:focus {*/
    /*    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.3);*/
    /*}*/