.course-search-canvas .btn-open-search {
    background-color: var(--tg-theme-primary);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
    transition: all 0.3s ease;
}

.course-search-canvas .btn-open-search:hover {
    background-color: #3a56d4;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
}

.course-search-canvas.offcanvas {
    border-radius: 20px 0 0 20px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    width: 450px;
    max-width: 90vw;
}

.course-search-canvas .offcanvas-header {
    background-color: var(--tg-theme-primary);
    color: white;
    border-radius: 20px 0 0 0;
    padding: 20px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.course-search-canvas .offcanvas-title {
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
}

.course-search-canvas .search-container {
    padding: 20px;
    background-color: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 3px;
    z-index: 9;
}

.course-search-canvas .search-input-group {
    position: relative;
}

.course-search-canvas .search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 1.1rem;
}

.invalidss {
    border: 1px solid red !important;
}

.course-search-canvas #courseSearchInput {
    padding-left: 45px;
    border-radius: 50px;
    border: 2px solid #eaeaea;
    height: 50px;
    font-size: 1rem;
    transition: all 0.3s;
}

.course-search-canvas #courseSearchInput:focus {
    border-color: var(--tg-theme-primary);
    box-shadow: 0 0 0 0.25rem rgba(76, 201, 240, 0.25);
}

.course-search-canvas #searchButton {
    position: absolute;
    right: 5px;
    top: 5px;
    height: 40px;
    border-radius: 50px;
    padding: 0 20px;
    background-color: var(--tg-theme-primary);
    border: none;
    font-weight: 600;
    color: white;
    transition: all 0.3s;
}

.course-search-canvas #searchButton:hover {
    background-color: #3a56d4;
}

.course-search-canvas .filter-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.course-search-canvas .filter-btn {
    background-color: #f0f4f8;
    border: none;
    border-radius: 50px;
    padding: 5px 15px;
    font-size: 0.85rem;
    color: #6c757d;
    transition: all 0.2s;
}

.course-search-canvas .filter-btn:hover,
.course-search-canvas .filter-btn.active {
    background-color: var(--tg-theme-primary);
    color: white;
}

.course-search-canvas .search-results {
    padding: 20px;
}

.course-search-canvas .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.course-search-canvas .results-count {
    font-size: 1rem;
    color: #6c757d;
}

.course-search-canvas .sort-select {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 0.9rem;
    background-color: white;
}

/* Enhanced Course Card Design */
.course-search-canvas .course-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    height: auto;
    border: 1px solid #f0f0f0;
    position: relative;
}

.course-search-canvas .course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.course-search-canvas .course-image {
    width: 160px;
    height: auto;
    object-fit: cover;
    flex-shrink: 0;
}

.course-search-canvas .course-content {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-search-canvas .course-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: #212529;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.course-search-canvas .course-instructor {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 8px;
}

.course-search-canvas .course-desc {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-search-canvas .course-pricing {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.course-search-canvas .offer-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--tg-theme-primary);
}

.course-search-canvas .course-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.8rem;
}

.course-search-canvas .meta-item {
    display: flex;
    align-items: center;
    color: #6c757d;
    gap: 5px;
}

.course-search-canvas .meta-item i {
    color: var(--tg-theme-primary);
}

.course-search-canvas .view-details {
    position: absolute;
    right: 16px;
    bottom: 16px;
    padding: 6px 14px;
    font-size: 0.85rem;
    background-color: var(--tg-theme-primary);
    border: none;
    border-radius: 6px;
    color: white;
    transition: all 0.2s;
}

.course-search-canvas .view-details:hover {
    background-color: #3a56d4;
    transform: translateY(-1px);
}

.course-search-canvas .course-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.course-search-canvas .no-results {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
}

.course-search-canvas .no-results i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #ddd;
}

.course-search-canvas .no-results h4 {
    color: #555;
    margin-bottom: 10px;
}

.course-search-canvas .no-results p {
    color: #888;
}

/* Course Header Styling */
.course-search-canvas .course-header {
    background-color: #f8f9fa;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 4px solid var(--tg-theme-primary);
}

.course-search-canvas .course-header h3 {
    color: var(--tg-theme-primary);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.course-search-canvas .course-header p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Loading Animation */
.course-search-canvas .loading-animation {
    display: flex;
    justify-content: center;
    padding: 30px;
}

.course-search-canvas .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--tg-theme-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 576px) {
    .course-search-canvas .course-card {
        flex-direction: column;
        height: auto;
    }

    .course-search-canvas .course-image {
        width: 100%;
        height: auto;
    }

    .course-search-canvas .offcanvas {
        width: 100%;
        border-radius: 0;
    }

    .course-search-canvas .search-container {
        padding: 15px;
    }

    .course-search-canvas .search-results {
        padding: 15px;
    }
}