/* ========================================
   Browse Page Specific Styles
   ======================================== */

/* Browse Layout */
.browse-container {
    background: var(--color-background);
    padding: 3rem 0;
    min-height: 60vh;
}

.browse-container .container {
    max-width: 100%;
    padding: 0 1.5rem;
}

.browse-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

/* ========================================
   Filters Sidebar
   ======================================== */

.filters-sidebar {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-gray-200);
}

.filters-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.filters-clear {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.filters-clear:hover {
    background: var(--color-gray-100);
}

/* Filter Widget */
.filter-widget {
    margin-bottom: 1rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.filter-widget-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    background: var(--color-gray-100);
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.filter-widget-header:hover {
    background: var(--color-gray-200);
}

.filter-widget-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
}

.filter-widget-icon {
    color: var(--color-text-light);
    transition: transform 0.2s ease;
}

.filter-widget-header[aria-expanded="false"] .filter-widget-icon {
    transform: rotate(-90deg);
}

.filter-widget-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-widget-header[aria-expanded="false"] + .filter-widget-content {
    display: none;
}

/* Checkbox Styling */
.filter-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.filter-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.75rem;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-label {
    font-size: 0.9rem;
    color: var(--color-text);
    cursor: pointer;
}

.filter-checkbox:hover .checkbox-label {
    color: var(--color-primary);
}

/* ========================================
   Exams Content Area
   ======================================== */

.exams-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.exams-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-gray-200);
}

.results-count {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sort-label {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.sort-select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background-color: var(--color-white);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ========================================
   Exam Cards Grid
   ======================================== */

.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
    gap: 1.35rem;
    margin-bottom: 2rem;
}

.exam-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-400);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.exam-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.exam-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
}

.exam-badge {
    padding: 0.3375rem 0.675rem;
    border-radius: var(--radius-md);
    font-size: 0.7875rem;
    font-weight: 600;
}

.badge-free {
    background: var(--color-secondary-light);
    color: var(--color-white);
}

.badge-paid {
    background: var(--color-accent);
    color: var(--color-white);
}

.exam-rating {
    color: #f59e0b;
    font-size: 0.855rem;
    font-weight: 600;
}

.exam-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.45rem;
    line-height: 1.3;
}

.exam-category {
    font-size: 0.7875rem;
    color: var(--color-text-light);
    margin-bottom: 0.675rem;
}

.exam-description {
    font-size: 0.855rem;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 0.9rem;
    flex-grow: 1;
}

.exam-meta {
    display: flex;
    gap: 1.35rem;
    margin-bottom: 1.125rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--color-gray-200);
}

.exam-meta-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.7875rem;
    color: var(--color-text-light);
}

.exam-meta-item svg {
    color: var(--color-text-light);
}

.exam-card-btn {
    width: 100%;
    padding: 0.675rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.855rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.exam-card-btn:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-btn {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-gray-100);
}

.pagination-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-dots {
    padding: 0 0.5rem;
    color: var(--color-text-light);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .browse-layout {
        grid-template-columns: 280px 1fr;
        gap: 1.5rem;
    }

    .filters-sidebar {
        padding: 1.25rem;
    }

    .exams-grid {
        grid-template-columns: repeat(auto-fill, minmax(252px, 1fr));
    }
}

@media (max-width: 768px) {
    .browse-layout {
        grid-template-columns: 1fr;
    }

    .filters-sidebar {
        position: static;
        max-height: none;
        margin-bottom: 1.5rem;
    }

    .exams-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .sort-controls {
        width: 100%;
    }

    .sort-select {
        flex: 1;
    }

    .exams-grid {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .browse-container {
        padding: 2rem 0;
    }

    .exams-content {
        padding: 1.5rem 1rem;
    }

    .filters-sidebar {
        padding: 1rem;
    }

    .exam-card {
        padding: 1.125rem;
    }
}