/* =============================================
   صفحه لیست دوره‌ها
   ============================================= */

.courses-page {
    padding: 30px 0 60px;
    background: #f8fafc;
}

/* ====== برادکرمب (هماهنگ با بقیه صفحات) ====== */
.course-breadcrumb {
    background: #fff;
    padding: 12px 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    border: 1px solid #eee;
}

.course-breadcrumb .breadcrumb {
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 0.9rem;
}

.course-breadcrumb .breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-breadcrumb .breadcrumb-item a {
    color: #0d6efd !important;
    text-decoration: none;
    font-weight: 500;
}

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

.course-breadcrumb .breadcrumb-item.active {
    color: #6c757d !important;
    font-weight: 500;
}

.course-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #adb5bd;
    font-size: 1rem;
    padding: 0 6px;
}

.course-breadcrumb i {
    font-size: 0.9rem;
}

/* ====== فیلتر باکس جمع‌وجور ====== */
.course-filter-box {
    background: #ffffff;
    border-radius: 16px;
    padding: 12px 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 20px;
}

.filter-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.filter-title i {
    color: #0d6efd;
    font-size: 1rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0;
}

.filter-label {
    font-weight: 600;
    font-size: 0.75rem;
    color: #6c757d;
    margin: 0;
}

.filter-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-btn {
    border-radius: 50px;
    padding: 4px 14px;
    text-decoration: none;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    color: #4a4a4a;
    font-weight: 600;
    font-size: 0.7rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.filter-btn:hover {
    transform: translateY(-1px);
    border-color: #0d6efd;
    color: #0d6efd;
    background: #fff;
}

.filter-btn.active {
    background: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
}

.filter-btn.free {
    border-color: #198754;
    color: #198754;
}

.filter-btn.free.active {
    background: #198754;
    color: #fff;
    border-color: #198754;
}

.filter-btn.paid {
    border-color: #dc3545;
    color: #dc3545;
}

.filter-btn.paid.active {
    background: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

/* ====== کارت دوره ====== */
.math-course-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #f0f0f0;
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.math-course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    border-color: transparent;
}

.math-course-image {
    height: 170px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
}

.math-course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.math-course-card:hover .math-course-image img {
    transform: scale(1.05);
}

/* ====== نشان‌های روی تصویر ====== */
.course-badges {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    z-index: 2;
    max-width: 90%;
}

.badge-status {
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.55rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    letter-spacing: 0.3px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.15);
    white-space: nowrap;
}

.badge-status.free {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.badge-status.new {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.badge-status.bestseller {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.badge-status.featured {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
}

.math-course-body {
    padding: 14px 16px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-rate {
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    color: #6c757d;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 4px;
}

.course-rate span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-rate i {
    color: #0d6efd;
}

.math-course-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    line-height: 1.4;
}

/* ====== تگ‌ها ====== */
.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
}

.course-tags .tag {
    background: #f1f3f5;
    color: #4a4a4a;
    padding: 1px 8px;
    border-radius: 50px;
    font-size: 0.55rem;
    font-weight: 600;
    border: 1px solid #e9ecef;
}

.course-tags .tag:first-child {
    background: #e3f2fd;
    color: #0d6efd;
    border-color: #bbdefb;
}

.course-info {
    display: flex;
    gap: 12px;
    font-size: 0.65rem;
    color: #6c757d;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.course-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-info i {
    color: #0d6efd;
    font-size: 0.7rem;
}

.course-desc {
    font-size: 0.75rem;
    color: #6c757d;
    line-height: 1.5;
    margin-bottom: 10px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ====== قیمت و دکمه ====== */
.course-price {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid #f1f3f5;
    margin-top: auto;
}

.price-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.course-price .price {
    font-size: 0.9rem;
    font-weight: 800;
    color: #0d6efd;
}

.course-price .price.free {
    color: #198754;
}

.course-price .old-price {
    font-size: 0.65rem;
    color: #adb5bd;
    text-decoration: line-through;
}

.btn-course {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(135deg, #0d6efd, #7b61ff);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-course:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(13,110,253,0.35);
    color: #fff;
}

.btn-course i {
    transition: transform 0.3s ease;
}

.btn-course:hover i {
    transform: translateX(-4px);
}

/* ====== Pagination ====== */
.course-pagination {
    margin: 40px 0 10px;
    display: flex;
    justify-content: center;
}

.course-pagination ul {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.course-pagination a,
.course-pagination span {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: #fff;
    color: #1e3a8a;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: all 0.25s ease;
    border: 2px solid #e9ecef;
}

.course-pagination a:hover {
    transform: translateY(-3px);
    background: #0d6efd;
    color: #fff;
    border-color: #0d6efd;
    box-shadow: 0 8px 25px rgba(13,110,253,0.25);
}

.course-pagination span.active {
    background: linear-gradient(135deg, #0d6efd, #7b61ff);
    color: #fff;
    border-color: #0d6efd;
    box-shadow: 0 4px 20px rgba(13,110,253,0.25);
}

.course-pagination a i {
    font-size: 1.1rem;
}

/* ====== ریسپانسیو ====== */
@media (max-width: 992px) {
    .course-filter-box {
        padding: 12px 16px;
        gap: 8px 16px;
    }
    
    .filter-group {
        gap: 4px;
    }

    .math-course-image {
        height: 150px;
    }
}

@media (max-width: 768px) {
    .course-filter-box {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 10px;
    }

    .filter-title {
        font-size: 0.85rem;
    }

    .filter-group {
        flex-wrap: wrap;
    }

    .filter-label {
        font-size: 0.7rem;
        min-width: 40px;
    }

    .filter-btn {
        padding: 4px 12px;
        font-size: 0.65rem;
    }

    .math-course-image {
        height: 160px;
    }

    .math-course-body h4 {
        font-size: 0.95rem;
    }

    .course-info {
        font-size: 0.65rem;
        gap: 10px;
    }

    .course-desc {
        font-size: 0.75rem;
    }

    .course-price .price {
        font-size: 0.9rem;
    }

    .btn-course {
        padding: 6px 14px;
        font-size: 0.75rem;
    }

    .course-pagination a,
    .course-pagination span {
        width: 40px;
        height: 40px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .course-breadcrumb {
        padding: 8px 14px;
    }
    
    .course-breadcrumb .breadcrumb-item a,
    .course-breadcrumb .breadcrumb-item.active {
        font-size: 0.7rem;
    }

    .math-course-image {
        height: 140px;
    }

    .math-course-body {
        padding: 12px 12px 14px;
    }

    .course-rate {
        font-size: 0.55rem;
    }

    .filter-btn {
        padding: 3px 10px;
        font-size: 0.6rem;
    }
    
    .filter-buttons {
        gap: 4px;
    }

    .course-tags .tag {
        font-size: 0.5rem;
        padding: 1px 6px;
    }

    .badge-status {
        font-size: 0.45rem;
        padding: 2px 6px;
    }

    .course-info {
        font-size: 0.6rem;
        gap: 8px;
    }

    .course-desc {
        font-size: 0.7rem;
    }

    .course-price .price {
        font-size: 0.8rem;
    }

    .course-price .old-price {
        font-size: 0.55rem;
    }

    .btn-course {
        padding: 5px 12px;
        font-size: 0.65rem;
    }

    .course-pagination a,
    .course-pagination span {
        width: 34px;
        height: 34px;
        font-size: 0.75rem;
    }

    .course-pagination ul {
        gap: 5px;
    }
}