.submissions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
}

.submission {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
    background-color: white;
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.submission-controls {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.submission-controls button {
    flex: 1;
    min-width: 100px;
    margin: 0;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.delete-btn {
    background-color: #ff4444;
}

.delete-btn:hover {
    background-color: #cc0000;
}

.award-btn {
    background-color: #4CAF50;
}

.award-btn:hover {
    background-color: #45a049;
}

.kick-btn {
    background-color: #dc3545;
}

.kick-btn:hover {
    background-color: #c82333;
}

.waiting-message {
    text-align: center;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin: 1rem auto;
    max-width: 500px;
}

.waiting-message h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.waiting-message p {
    color: #6c757d;
    margin: 0.5rem 0;
}