/* --- RESOURCE BROWSE MODAL (Categories Preview) --- */

.resource-browse-modal {
    max-width: 900px !important;
    width: 90% !important;
    padding: 0 !important;
    background: #fff !important;
    border-radius: 24px !important;
}

.rb-modal-header {
    padding: 25px 35px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rb-modal-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
}

.rb-modal-body {
    padding: 30px 35px 40px;
}

/* Tabs */
.rb-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.rb-tab {
    padding: 10px 22px;
    border-radius: 12px;
    background: #f8fafc;
    color: #64748b;
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.rb-tab.active {
    background: #10B981;
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.rb-tab:hover:not(.active) {
    background: #f1f5f9;
    color: #1e293b;
}

/* Grid */
.rb-classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.rb-class-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.rb-class-card span {
    font-weight: 600;
    font-size: 15px;
    color: #1e293b;
}

.rb-class-card i {
    color: #94a3b8;
    font-size: 13px;
}

.rb-class-card:hover {
    border-color: #10B981;
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.rb-class-card:hover i {
    color: #10B981;
    transform: translateX(3px);
}

/* Loading state */
.rb-loading {
    text-align: center;
    padding: 60px;
    color: #10B981;
}

/* Responsive */
@media (max-width: 640px) {
    .rb-classes-grid {
        grid-template-columns: 1fr;
    }
}