/* Explorer (All Courses) page styles */
.explorer-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 24px 16px 60px;
    min-height: 60vh;
}

.breadcrumb-bar {
    font-size: 14px;
    color: #6a6f73;
    padding: 8px 0 20px;
}

.breadcrumb-bar a {
    color: #0053A1;
    text-decoration: none;
}

.explorer-heading {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.explorer-toolbar {
    margin-bottom: 16px;
}

.explorer-search {
    max-width: 560px;
    margin-bottom: 16px;
}

.explorer-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-chip {
    background: #fff;
    border: 1px solid #d1d7dc;
    border-radius: 20px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #1c1d1f;
    cursor: pointer;
}

.filter-chip:hover { border-color: #0053A1; color: #0053A1; }

.filter-chip.active {
    background: #0053A1;
    border-color: #0053A1;
    color: #fff;
}

.explorer-count {
    color: #6a6f73;
    font-size: 14px;
    margin: 10px 0 18px;
}

.explorer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.explorer-card {
    border: 1px solid #d1d7dc;
    border-radius: 6px;
    overflow: hidden;
    background: #fff;
    cursor: pointer;
    transition: box-shadow .15s ease;
    display: flex;
    flex-direction: column;
}

.explorer-card:hover { box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12); }

.explorer-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: #e8eef6;
}

.explorer-card-body { padding: 14px 16px 16px; }

.explorer-card-cat {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #0053A1;
    background: #e8eef6;
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

.explorer-card-title {
    font-size: 15px;
    font-weight: 700;
    color: #1c1d1f;
    margin: 0 0 4px;
}

.explorer-card-org {
    font-size: 13px;
    color: #6a6f73;
    margin: 0 0 2px;
}

.explorer-card-instructor {
    font-size: 12px;
    color: #9aa0a6;
    margin: 0;
}

.explorer-empty {
    text-align: center;
    padding: 60px 20px;
}