/* Leaderboard Styles */

.leaderboard-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem;
}

.admin-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.admin-controls .admin-btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.2);
}

.admin-controls .admin-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

/* Loading and Empty States */
.loading-state, .empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-public {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.empty-state svg {
    color: var(--text-secondary);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.empty-state p {
    color: var(--text-secondary);
}

/* Leaderboard Table */
.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
}

.leaderboard-table thead {
    background: var(--background-color);
}

.leaderboard-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.leaderboard-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.leaderboard-table tbody tr:hover {
    background: var(--background-color);
}

.leaderboard-table td {
    padding: 1.25rem 1rem;
}

.rank-cell {
    font-weight: 700;
    font-size: 1.25rem;
}

.rank-1 { color: #FFD700; }
.rank-2 { color: #C0C0C0; }
.rank-3 { color: #CD7F32; }

.model-name {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--primary-color);
}

.model-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.score-cell {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 102, 255, 0.1);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.action-btn-edit {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
}

.action-btn-edit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.action-btn-delete {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
}

.action-btn-delete:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

.modal-actions .admin-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.modal-actions .admin-btn-secondary {
    background: var(--background-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.modal-actions .admin-btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.modal-actions .admin-btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.2);
}

.modal-actions .admin-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .leaderboard-container {
        padding: 1rem;
        overflow-x: auto;
    }

    .leaderboard-table {
        font-size: 0.875rem;
        display: block;
        overflow-x: auto;
    }

    .leaderboard-table thead {
        display: none;
    }

    .leaderboard-table tbody {
        display: block;
    }

    .leaderboard-table tbody tr {
        display: flex;
        flex-direction: column;
        border: 1px solid var(--border-color);
        border-radius: 12px;
        margin-bottom: 1rem;
        padding: 1rem;
    }

    .leaderboard-table td {
        display: flex;
        justify-content: space-between;
        padding: 0.5rem 0;
        border: none;
    }

    .leaderboard-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        font-size: 0.75rem;
    }

    .rank-cell {
        font-size: 1.5rem;
        justify-content: center;
        padding: 1rem 0;
    }

    .rank-cell::before {
        display: none;
    }

    .model-name {
        font-size: 1rem;
    }

    .score-cell {
        font-size: 1.25rem;
        justify-content: center;
    }

    .action-buttons {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: center;
    }

    .action-btn {
        flex: 1;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .admin-controls {
        justify-content: center;
    }
}