.vh-opportunities-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.vh-opportunity-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.vh-opp-thumb img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.vh-opp-content {
    padding: 1rem;
}

.vh-opp-title {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.vh-opp-date {
    font-size: 0.9rem;
    color: #555;
    display: block;
    margin-bottom: 0.5rem;
}

.vh-opp-spots {
    margin: 0.5rem 0;
    font-weight: bold;
    color: #d63638;
}

.vh-signup-btn {
    background: #0073aa;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.vh-signup-btn:hover {
    background: #005a87;
}

.vh-dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.vh-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.vh-stat-card {
    background: #f9f9f9;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-size: 1.2rem;
}

.vh-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.vh-btn-primary {
    background: #0073aa;
    color: white;
}

.vh-btn-secondary {
    background: #6c757d;
    color: white;
}

.vh-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.vh-modal {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
}

.vh-form-group {
    margin-bottom: 1rem;
}

.vh-form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.vh-form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.vh-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}